FZUS51 KBOX 182115
SRFBOX
Surf Zone Forecast
National Weather Service Boston/Norton MA
415 PM EST Thu Dec 18 2025
MAZ022-191100-
Barnstable MA-
Including the beaches of Chatham, Eastham, and Provincetown
415 PM EST Thu Dec 18 2025
.FRIDAY...
Rip Current Risk*...
East Coast...............Moderate.
Surf Height...
East Coast...............10 to 14 feet.
Thunderstorm Potential**....Low.
UV Index**..................Low.
Water Temperature...
East Coast...............In the mid 40s.
Weather.....................Cloudy. Rain with isolated
thunderstorms.
High Temperature............In the lower 50s.
Winds.......................Windy. South winds 30 to 35 mph.
Tides...
Nauset Beach.............High 4.3 feet (MLLW) 09:45 AM EST.
Low 0.2 feet (MLLW) 04:16 PM EST.
Hyannisport..............High 3.6 feet (MLLW) 11:25 AM EST.
Low 0.2 feet (MLLW) 05:28 PM EST.
Barnstable Harbor........High 9.8 feet (MLLW) 10:43 AM EST.
Low 0.4 feet (MLLW) 05:29 PM EST.
.SATURDAY...
Rip Current Risk*...
East Coast...............Moderate.
Surf Height...
East Coast...............8 to 12 feet.
Thunderstorm Potential**....None.
Weather.....................Mostly sunny.
High Temperature............In the lower 40s.
Winds.......................West winds 15 to 20 mph.
Tides...
Nauset Beach.............High 4.3 feet (MLLW) 10:24 AM EST.
Low 0.1 feet (MLLW) 04:55 PM EST.
Hyannisport..............High 3.6 feet (MLLW) 12:06 PM EST.
Barnstable Harbor........High 9.9 feet (MLLW) 11:22 AM EST.
.SUNDAY...Surf height 6 to 9 feet. Partly sunny. Highs in the upper
40s. West winds around 20 mph.
.MONDAY...Surf height 6 to 10 feet. Mostly sunny. Colder. Highs in
the lower 30s. Northwest winds around 20 mph.
.TUESDAY...Surf height 4 to 6 feet. Mostly cloudy. Rain likely and a
chance of snow. Highs in the lower 40s. Southwest winds around
15 mph.
&&
Rip Current Risk Category
* Low Risk - The risk for rip currents is low, however,
life-threatening rip currents often occur in the vicinity of groins,
jetties, reefs, and piers.
* Moderate Risk - Life-threatening rip currents are possible in the
surf zone.
* High Risk - Life-threatening rip currents are likely in the surf
zone.
** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/box
$$
MAZ024-191100-
Nantucket MA-
Including the beaches of Nantucket
415 PM EST Thu Dec 18 2025
.FRIDAY...
Rip Current Risk*...
East Coast...............Moderate.
South Coast..............Moderate.
Surf Height...
East Coast...............7 to 10 feet, building
to 13 to 16 feet in the
afternoon.
South Coast..............9 to 12 feet, building to 14 to 17 feet
in the afternoon.
Thunderstorm Potential**....Low.
UV Index**..................Low.
Water Temperature...
East Coast...............In the mid 40s.
South Coast..............In the mid 40s.
Weather.....................Cloudy. Rain with isolated
thunderstorms.
High Temperature............In the lower 50s.
Winds.......................Windy. South winds 30 to 35 mph.
Tides...
Nantucket................High 3.5 feet (MLLW) 11:26 AM EST.
Low 0.1 feet (MLLW) 05:47 PM EST.
Great Point..............High 3.1 feet (MLLW) 11:15 AM EST.
Low 0.1 feet (MLLW) 05:27 PM EST.
.SATURDAY...
Rip Current Risk*...
East Coast...............Moderate.
South Coast..............Moderate.
Surf Height...
East Coast...............9 to 13 feet.
South Coast..............12 to 15 feet, subsiding to 6 to 10
feet in the afternoon.
Thunderstorm Potential**....None.
Weather.....................Mostly sunny.
High Temperature............In the lower 40s.
Winds.......................Breezy. West winds around 25 mph,
diminishing to around 15 mph in the
afternoon.
Tides...
Nantucket................High 3.5 feet (MLLW) 12:07 PM EST.
Great Point..............High 3.2 feet (MLLW) 11:54 AM EST.
.SUNDAY...Surf height 8 to 10 feet. Mostly sunny. Highs in the upper
40s. Breezy. Southwest winds around 25 mph.
.MONDAY...Surf height 9 to 12 feet. Sunny, colder. Highs in the mid
30s. Breezy. Northwest winds around 25 mph.
.TUESDAY...Surf height 3 to 6 feet. Mostly cloudy. A chance of rain
and snow. Highs in the lower 40s. Southwest winds around 15 mph.
&&
Rip Current Risk Category
* Low Risk - The risk for rip currents is low, however,
life-threatening rip currents often occur in the vicinity of groins,
jetties, reefs, and piers.
* Moderate Risk - Life-threatening rip currents are possible in the
surf zone.
* High Risk - Life-threatening rip currents are likely in the surf
zone.
** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/box
$$
MAZ023-191100-
Dukes MA-
Including the beaches of Edgartown and Aquinnah
415 PM EST Thu Dec 18 2025
.FRIDAY...
Rip Current Risk*...........Moderate.
Surf Height.................12 to 17 feet.
Thunderstorm Potential**....Low.
UV Index**..................Low.
Water Temperature...........In the upper 40s.
Weather.....................Cloudy until 5 PM, then partly sunny.
Rain with isolated thunderstorms.
High Temperature............In the lower 50s.
Winds.......................Windy. South winds around 35 mph.
Tides...
Squibnocket Point........High 2.9 feet (MLLW) 06:20 AM EST.
Low 0.1 feet (MLLW) 01:00 PM EST.
.SATURDAY...
Rip Current Risk*...........Moderate.
Surf Height.................11 to 14 feet, subsiding to 6 to 9 feet
in the afternoon.
Thunderstorm Potential**....None.
Weather.....................Mostly sunny.
High Temperature............In the mid 40s.
Winds.......................Breezy. West winds around 25 mph,
diminishing to around 15 mph in the
afternoon.
Tides...
Squibnocket Point........High 2.9 feet (MLLW) 06:56 AM EST.
Low 0.0 feet (MLLW) 01:41 PM EST.
.SUNDAY...Surf height 9 to 11 feet. Mostly sunny. Highs in the upper
40s. Breezy. West winds around 25 mph.
.MONDAY...Surf height 9 to 12 feet. Sunny, colder. Highs in the mid
30s. Breezy. Northwest winds around 25 mph.
.TUESDAY...Surf height 3 to 6 feet. Mostly cloudy. Rain likely and a
chance of snow. Highs in the lower 40s. Southwest winds around
20 mph.
&&
Rip Current Risk Category
* Low Risk - The risk for rip currents is low, however,
life-threatening rip currents often occur in the vicinity of groins,
jetties, reefs, and piers.
* Moderate Risk - Life-threatening rip currents are possible in the
surf zone.
* High Risk - Life-threatening rip currents are likely in the surf
zone.
** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/box
$$
MAZ020-191100-
Southern Bristol MA-
Including the beaches of Westport, Dartmouth, and New Bedford
415 PM EST Thu Dec 18 2025
.FRIDAY...
Rip Current Risk*...........Moderate.
Surf Height.................12 to 16 feet.
Thunderstorm Potential**....Low.
UV Index**..................Low.
Water Temperature...........In the upper 40s.
Weather.....................Cloudy until 5 PM, then partly sunny.
Rain with isolated thunderstorms.
High Temperature............In the mid 50s.
Winds.......................Windy. South winds around 30 mph.
Tides...
Westport Harbor..........High 3.0 feet (MLLW) 07:14 AM EST.
Low 0.1 feet (MLLW) 01:35 PM EST.
.SATURDAY...
Rip Current Risk*...........Moderate.
Surf Height.................10 to 13 feet, subsiding to 6 to 7 feet
in the afternoon.
Thunderstorm Potential**....None.
Weather.....................Mostly sunny.
High Temperature............In the lower 40s.
Winds.......................West winds around 20 mph, diminishing
to around 10 mph in the afternoon.
Tides...
Westport Harbor..........High 3.0 feet (MLLW) 07:50 AM EST.
Low 0.0 feet (MLLW) 02:16 PM EST.
.SUNDAY...Surf height 8 to 11 feet. Mostly sunny. Highs in the upper
40s. West winds around 20 mph.
.MONDAY...Surf height 7 to 10 feet. Sunny, colder. Highs in the lower
30s. Northwest winds around 15 mph.
.TUESDAY...Surf height 3 to 6 feet. Mostly cloudy. Rain likely and a
chance of snow. Highs in the lower 40s. Southwest winds around
15 mph.
&&
Rip Current Risk Category
* Low Risk - The risk for rip currents is low, however,
life-threatening rip currents often occur in the vicinity of groins,
jetties, reefs, and piers.
* Moderate Risk - Life-threatening rip currents are possible in the
surf zone.
* High Risk - Life-threatening rip currents are likely in the surf
zone.
** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/box
$$
RIZ007-191100-
Newport RI-
Including the beaches of Newport, Middletown, and Little Compton
415 PM EST Thu Dec 18 2025
.FRIDAY...
Rip Current Risk*...........High.
Surf Height.................12 to 16 feet.
Thunderstorm Potential**....Low.
UV Index**..................Low.
Water Temperature...........In the upper 40s.
Weather.....................Cloudy until 5 PM, then partly sunny.
Rain with isolated thunderstorms.
High Temperature............In the mid 50s.
Winds.......................Windy. South winds around 30 mph.
Tides...
Newport..................High 3.5 feet (MLLW) 07:05 AM EST.
Low 0.1 feet (MLLW) 01:02 PM EST.
.SATURDAY...
Rip Current Risk*...........Moderate.
Surf Height.................8 to 12 feet.
Thunderstorm Potential**....None.
Weather.....................Mostly sunny.
High Temperature............In the lower 40s.
Winds.......................West winds 15 to 20 mph.
Tides...
Newport..................High 3.5 feet (MLLW) 07:41 AM EST.
Low 0.0 feet (MLLW) 01:43 PM EST.
.SUNDAY...Surf height 8 to 10 feet. Mostly sunny. Highs in the upper
40s. West winds around 20 mph.
.MONDAY...Surf height 6 to 9 feet. Sunny, colder. Highs in the lower
30s. Northwest winds around 15 mph.
.TUESDAY...Surf height 2 to 6 feet. Mostly cloudy. Rain likely and a
chance of snow. Highs in the lower 40s. Southwest winds around
15 mph.
&&
Rip Current Risk Category
* Low Risk - The risk for rip currents is low, however,
life-threatening rip currents often occur in the vicinity of groins,
jetties, reefs, and piers.
* Moderate Risk - Life-threatening rip currents are possible in the
surf zone.
* High Risk - Life-threatening rip currents are likely in the surf
zone.
** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/box
$$
RIZ006-191100-
Washington RI-
Including the beaches of Narragansett, Charlestown, and Westerly
415 PM EST Thu Dec 18 2025
.FRIDAY...
Rip Current Risk*...........High.
Surf Height.................12 to 16 feet.
Thunderstorm Potential**....Low.
UV Index**..................Low.
Water Temperature...........In the upper 40s.
Weather.....................Cloudy until 4 PM, then partly sunny.
Rain with isolated thunderstorms.
High Temperature............In the mid 50s.
Winds.......................Windy. South winds 25 to 30 mph.
Tides...
Watch Hill Point.........High 2.6 feet (MLLW) 07:46 AM EST.
Low 0.1 feet (MLLW) 02:18 PM EST.
Point Judith (Harbor)....High 3.2 feet (MLLW) 07:11 AM EST.
Low -0.2 feet (MLLW) 01:42 PM EST.
Narragansett Pier........High 3.2 feet (MLLW) 06:54 AM EST.
Low 0.1 feet (MLLW) 01:13 PM EST.
.SATURDAY...
Rip Current Risk*...........Moderate.
Surf Height.................8 to 12 feet.
Thunderstorm Potential**....None.
Weather.....................Mostly sunny.
High Temperature............In the lower 40s.
Winds.......................West winds 10 to 15 mph.
Tides...
Watch Hill Point.........High 2.6 feet (MLLW) 08:22 AM EST.
Low 0.0 feet (MLLW) 02:59 PM EST.
Point Judith (Harbor)....High 3.3 feet (MLLW) 07:46 AM EST.
Low -0.2 feet (MLLW) 02:17 PM EST.
Narragansett Pier........High 3.2 feet (MLLW) 07:30 AM EST.
Low 0.0 feet (MLLW) 01:54 PM EST.
.SUNDAY...Surf height 7 to 10 feet. Mostly sunny. Highs in the mid
40s. West winds around 15 mph.
.MONDAY...Surf height 6 to 9 feet. Sunny, colder. Highs in the lower
30s. Northwest winds around 15 mph.
.TUESDAY...Surf height 2 to 6 feet. Mostly cloudy. Rain likely and a
chance of snow. Highs around 40. Southwest winds around 10 mph.
&&
Rip Current Risk Category
* Low Risk - The risk for rip currents is low, however,
life-threatening rip currents often occur in the vicinity of groins,
jetties, reefs, and piers.
* Moderate Risk - Life-threatening rip currents are possible in the
surf zone.
* High Risk - Life-threatening rip currents are likely in the surf
zone.
** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/box
$$
RIZ008-191100-
Block Island RI-
Including the beaches of Block Island
415 PM EST Thu Dec 18 2025
.FRIDAY...
Rip Current Risk*...........Moderate.
Surf Height.................12 to 16 feet.
Thunderstorm Potential**....Low.
UV Index**..................Low.
Water Temperature...........Around 50.
Weather.....................Cloudy until 4 PM, then partly sunny.
Rain with isolated thunderstorms.
High Temperature............In the mid 50s.
Winds.......................Windy. South winds around 35 mph.
Tides...
Block Island (Old Harbor)High 3.0 feet (MLLW) 06:53 AM EST.
Low 0.0 feet (MLLW) 01:21 PM EST.
.SATURDAY...
Rip Current Risk*...........Moderate.
Surf Height.................9 to 12 feet, subsiding to 5 to 7 feet
in the afternoon.
Thunderstorm Potential**....None.
Weather.....................Mostly sunny.
High Temperature............In the mid 40s.
Winds.......................West winds 15 to 20 mph.
Tides...
Block Island (Old Harbor)High 3.0 feet (MLLW) 07:28 AM EST.
Low 0.0 feet (MLLW) 01:58 PM EST.
.SUNDAY...Surf height 7 to 10 feet. Mostly sunny. Highs in the upper
40s. Breezy. West winds around 25 mph.
.MONDAY...Surf height 7 to 10 feet. Sunny, colder. Highs in the mid
30s. Northwest winds around 20 mph.
.TUESDAY...Surf height 3 to 6 feet. Mostly cloudy. Rain likely and a
chance of snow. Highs in the lower 40s. Southwest winds around
20 mph.
&&
Rip Current Risk Category
* Low Risk - The risk for rip currents is low, however,
life-threatening rip currents often occur in the vicinity of groins,
jetties, reefs, and piers.
* Moderate Risk - Life-threatening rip currents are possible in the
surf zone.
* High Risk - Life-threatening rip currents are likely in the surf
zone.
** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/box
$$
MAZ019-191100-
Eastern Plymouth MA-
Including the beaches of Cohasset, Duxbury, Hingham, Kingston,
Marshfield, Plymouth, and Scituate
415 PM EST Thu Dec 18 2025
.FRIDAY...
Rip Current Risk*...........Moderate.
Surf Height.................8 to 11 feet.
Thunderstorm Potential**....None.
UV Index**..................Low.
Water Temperature...........In the mid 40s.
Weather.....................Cloudy until 5 PM, then partly sunny.
Rain.
High Temperature............In the mid 50s.
Winds.......................Windy. South winds around 30 mph.
Tides...
Scituate Harbor..........High 9.2 feet (MLLW) 10:36 AM EST.
Low 0.6 feet (MLLW) 04:59 PM EST.
Plymouth.................High 9.8 feet (MLLW) 10:40 AM EST.
Low 0.7 feet (MLLW) 05:14 PM EST.
.SATURDAY...
Rip Current Risk*...........Low.
Surf Height.................7 to 11 feet.
Thunderstorm Potential**....None.
Weather.....................Mostly sunny.
High Temperature............In the lower 40s.
Winds.......................West winds around 20 mph, diminishing
to around 10 mph in the afternoon.
Tides...
Scituate Harbor..........High 9.2 feet (MLLW) 11:14 AM EST.
Low 0.5 feet (MLLW) 05:37 PM EST.
Plymouth.................High 9.9 feet (MLLW) 11:19 AM EST.
Low 0.6 feet (MLLW) 05:55 PM EST.
.SUNDAY...Surf height 4 to 6 feet. Mostly sunny. Highs in the mid
40s. West winds around 15 mph.
.MONDAY...Surf height 5 to 8 feet. Sunny. A chance of light freezing
spray. Colder. Highs in the lower 30s. Northwest winds around 20 mph.
.TUESDAY...Surf height 2 to 5 feet. Mostly cloudy. A chance of snow
and rain. Highs in the upper 30s. Southwest winds around 10 mph.
&&
Rip Current Risk Category
* Low Risk - The risk for rip currents is low, however,
life-threatening rip currents often occur in the vicinity of groins,
jetties, reefs, and piers.
* Moderate Risk - Life-threatening rip currents are possible in the
surf zone.
* High Risk - Life-threatening rip currents are likely in the surf
zone.
** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/box
$$
MAZ015-016-191100-
Suffolk MA-Eastern Norfolk MA-
Including the beaches of Boston, Chelsea, Revere, Winthrop,
Braintree, Milton, Quincy, and Weymouth
415 PM EST Thu Dec 18 2025
.FRIDAY...
Rip Current Risk*...........Moderate.
Surf Height.................7 to 10 feet.
Thunderstorm Potential**....None.
UV Index**..................Low.
Water Temperature...........In the mid 40s.
Weather.....................Cloudy until 5 PM, then partly sunny.
Rain.
High Temperature............In the mid 50s.
Winds.......................Windy. South winds 25 to 30 mph.
Tides...
Boston...................High 9.8 feet (MLLW) 10:32 AM EST.
Low 0.4 feet (MLLW) 04:59 PM EST.
.SATURDAY...
Rip Current Risk*...........Low.
Surf Height.................7 to 10 feet.
Thunderstorm Potential**....None.
Weather.....................Mostly sunny.
High Temperature............In the lower 40s.
Winds.......................West winds 10 to 15 mph.
Tides...
Boston...................High 9.9 feet (MLLW) 11:11 AM EST.
Low 0.3 feet (MLLW) 05:38 PM EST.
.SUNDAY...Surf height 4 to 7 feet. Mostly sunny. Highs in the mid
40s. West winds around 15 mph.
.MONDAY...Surf height 5 to 8 feet. Sunny, colder. Highs in the lower
30s. Northwest winds around 20 mph.
.TUESDAY...Surf height 3 to 4 feet. Mostly cloudy. A chance of snow
and rain. Highs in the upper 30s. Southwest winds around 10 mph.
&&
Rip Current Risk Category
* Low Risk - The risk for rip currents is low, however,
life-threatening rip currents often occur in the vicinity of groins,
jetties, reefs, and piers.
* Moderate Risk - Life-threatening rip currents are possible in the
surf zone.
* High Risk - Life-threatening rip currents are likely in the surf
zone.
** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/box
$$
MAZ007-191100-
Eastern Essex MA-
Including the beaches of Beverly, Gloucester, and Newburyport
415 PM EST Thu Dec 18 2025
.FRIDAY...
Rip Current Risk*...........High.
Surf Height.................9 to 13 feet.
Thunderstorm Potential**....None.
UV Index**..................Low.
Water Temperature...........In the mid 40s.
Weather.....................Cloudy. Rain.
High Temperature............In the mid 50s.
Winds.......................Windy. South winds 25 to 30 mph.
Tides...
Newburyport..............High 8.3 feet (MLLW) 10:51 AM EST.
Low 0.2 feet (MLLW) 05:36 PM EST.
Gloucester Harbor........High 8.9 feet (MLLW) 10:34 AM EST.
Low 0.4 feet (MLLW) 04:57 PM EST.
.SATURDAY...
Rip Current Risk*...........Moderate.
Surf Height.................8 to 11 feet.
Thunderstorm Potential**....None.
Weather.....................Mostly sunny.
High Temperature............Around 40.
Winds.......................West winds around 20 mph, diminishing
to around 10 mph in the afternoon.
Tides...
Newburyport..............High 8.4 feet (MLLW) 11:31 AM EST.
Gloucester Harbor........High 9.0 feet (MLLW) 11:10 AM EST.
Low 0.4 feet (MLLW) 05:35 PM EST.
.SUNDAY...Surf height 5 to 8 feet. Partly sunny. Highs in the mid
40s. West winds around 15 mph.
.MONDAY...Surf height 5 to 9 feet. Sunny, colder. Highs around 30.
Northwest winds around 20 mph.
.TUESDAY...Surf height 3 to 4 feet. Mostly cloudy. A chance of snow.
Highs in the upper 30s. Southwest winds around 10 mph.
&&
Rip Current Risk Category
* Low Risk - The risk for rip currents is low, however,
life-threatening rip currents often occur in the vicinity of groins,
jetties, reefs, and piers.
* Moderate Risk - Life-threatening rip currents are possible in the
surf zone.
* High Risk - Life-threatening rip currents are likely in the surf
zone.
** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/box
$$
SRFBOX
Surf Zone Forecast
National Weather Service Boston/Norton MA
415 PM EST Thu Dec 18 2025
MAZ022-191100-
Barnstable MA-
Including the beaches of Chatham, Eastham, and Provincetown
415 PM EST Thu Dec 18 2025
.FRIDAY...
Rip Current Risk*...
East Coast...............Moderate.
Surf Height...
East Coast...............10 to 14 feet.
Thunderstorm Potential**....Low.
UV Index**..................Low.
Water Temperature...
East Coast...............In the mid 40s.
Weather.....................Cloudy. Rain with isolated
thunderstorms.
High Temperature............In the lower 50s.
Winds.......................Windy. South winds 30 to 35 mph.
Tides...
Nauset Beach.............High 4.3 feet (MLLW) 09:45 AM EST.
Low 0.2 feet (MLLW) 04:16 PM EST.
Hyannisport..............High 3.6 feet (MLLW) 11:25 AM EST.
Low 0.2 feet (MLLW) 05:28 PM EST.
Barnstable Harbor........High 9.8 feet (MLLW) 10:43 AM EST.
Low 0.4 feet (MLLW) 05:29 PM EST.
.SATURDAY...
Rip Current Risk*...
East Coast...............Moderate.
Surf Height...
East Coast...............8 to 12 feet.
Thunderstorm Potential**....None.
Weather.....................Mostly sunny.
High Temperature............In the lower 40s.
Winds.......................West winds 15 to 20 mph.
Tides...
Nauset Beach.............High 4.3 feet (MLLW) 10:24 AM EST.
Low 0.1 feet (MLLW) 04:55 PM EST.
Hyannisport..............High 3.6 feet (MLLW) 12:06 PM EST.
Barnstable Harbor........High 9.9 feet (MLLW) 11:22 AM EST.
.SUNDAY...Surf height 6 to 9 feet. Partly sunny. Highs in the upper
40s. West winds around 20 mph.
.MONDAY...Surf height 6 to 10 feet. Mostly sunny. Colder. Highs in
the lower 30s. Northwest winds around 20 mph.
.TUESDAY...Surf height 4 to 6 feet. Mostly cloudy. Rain likely and a
chance of snow. Highs in the lower 40s. Southwest winds around
15 mph.
&&
Rip Current Risk Category
* Low Risk - The risk for rip currents is low, however,
life-threatening rip currents often occur in the vicinity of groins,
jetties, reefs, and piers.
* Moderate Risk - Life-threatening rip currents are possible in the
surf zone.
* High Risk - Life-threatening rip currents are likely in the surf
zone.
** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/box
$$
MAZ024-191100-
Nantucket MA-
Including the beaches of Nantucket
415 PM EST Thu Dec 18 2025
.FRIDAY...
Rip Current Risk*...
East Coast...............Moderate.
South Coast..............Moderate.
Surf Height...
East Coast...............7 to 10 feet, building
to 13 to 16 feet in the
afternoon.
South Coast..............9 to 12 feet, building to 14 to 17 feet
in the afternoon.
Thunderstorm Potential**....Low.
UV Index**..................Low.
Water Temperature...
East Coast...............In the mid 40s.
South Coast..............In the mid 40s.
Weather.....................Cloudy. Rain with isolated
thunderstorms.
High Temperature............In the lower 50s.
Winds.......................Windy. South winds 30 to 35 mph.
Tides...
Nantucket................High 3.5 feet (MLLW) 11:26 AM EST.
Low 0.1 feet (MLLW) 05:47 PM EST.
Great Point..............High 3.1 feet (MLLW) 11:15 AM EST.
Low 0.1 feet (MLLW) 05:27 PM EST.
.SATURDAY...
Rip Current Risk*...
East Coast...............Moderate.
South Coast..............Moderate.
Surf Height...
East Coast...............9 to 13 feet.
South Coast..............12 to 15 feet, subsiding to 6 to 10
feet in the afternoon.
Thunderstorm Potential**....None.
Weather.....................Mostly sunny.
High Temperature............In the lower 40s.
Winds.......................Breezy. West winds around 25 mph,
diminishing to around 15 mph in the
afternoon.
Tides...
Nantucket................High 3.5 feet (MLLW) 12:07 PM EST.
Great Point..............High 3.2 feet (MLLW) 11:54 AM EST.
.SUNDAY...Surf height 8 to 10 feet. Mostly sunny. Highs in the upper
40s. Breezy. Southwest winds around 25 mph.
.MONDAY...Surf height 9 to 12 feet. Sunny, colder. Highs in the mid
30s. Breezy. Northwest winds around 25 mph.
.TUESDAY...Surf height 3 to 6 feet. Mostly cloudy. A chance of rain
and snow. Highs in the lower 40s. Southwest winds around 15 mph.
&&
Rip Current Risk Category
* Low Risk - The risk for rip currents is low, however,
life-threatening rip currents often occur in the vicinity of groins,
jetties, reefs, and piers.
* Moderate Risk - Life-threatening rip currents are possible in the
surf zone.
* High Risk - Life-threatening rip currents are likely in the surf
zone.
** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/box
$$
MAZ023-191100-
Dukes MA-
Including the beaches of Edgartown and Aquinnah
415 PM EST Thu Dec 18 2025
.FRIDAY...
Rip Current Risk*...........Moderate.
Surf Height.................12 to 17 feet.
Thunderstorm Potential**....Low.
UV Index**..................Low.
Water Temperature...........In the upper 40s.
Weather.....................Cloudy until 5 PM, then partly sunny.
Rain with isolated thunderstorms.
High Temperature............In the lower 50s.
Winds.......................Windy. South winds around 35 mph.
Tides...
Squibnocket Point........High 2.9 feet (MLLW) 06:20 AM EST.
Low 0.1 feet (MLLW) 01:00 PM EST.
.SATURDAY...
Rip Current Risk*...........Moderate.
Surf Height.................11 to 14 feet, subsiding to 6 to 9 feet
in the afternoon.
Thunderstorm Potential**....None.
Weather.....................Mostly sunny.
High Temperature............In the mid 40s.
Winds.......................Breezy. West winds around 25 mph,
diminishing to around 15 mph in the
afternoon.
Tides...
Squibnocket Point........High 2.9 feet (MLLW) 06:56 AM EST.
Low 0.0 feet (MLLW) 01:41 PM EST.
.SUNDAY...Surf height 9 to 11 feet. Mostly sunny. Highs in the upper
40s. Breezy. West winds around 25 mph.
.MONDAY...Surf height 9 to 12 feet. Sunny, colder. Highs in the mid
30s. Breezy. Northwest winds around 25 mph.
.TUESDAY...Surf height 3 to 6 feet. Mostly cloudy. Rain likely and a
chance of snow. Highs in the lower 40s. Southwest winds around
20 mph.
&&
Rip Current Risk Category
* Low Risk - The risk for rip currents is low, however,
life-threatening rip currents often occur in the vicinity of groins,
jetties, reefs, and piers.
* Moderate Risk - Life-threatening rip currents are possible in the
surf zone.
* High Risk - Life-threatening rip currents are likely in the surf
zone.
** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/box
$$
MAZ020-191100-
Southern Bristol MA-
Including the beaches of Westport, Dartmouth, and New Bedford
415 PM EST Thu Dec 18 2025
.FRIDAY...
Rip Current Risk*...........Moderate.
Surf Height.................12 to 16 feet.
Thunderstorm Potential**....Low.
UV Index**..................Low.
Water Temperature...........In the upper 40s.
Weather.....................Cloudy until 5 PM, then partly sunny.
Rain with isolated thunderstorms.
High Temperature............In the mid 50s.
Winds.......................Windy. South winds around 30 mph.
Tides...
Westport Harbor..........High 3.0 feet (MLLW) 07:14 AM EST.
Low 0.1 feet (MLLW) 01:35 PM EST.
.SATURDAY...
Rip Current Risk*...........Moderate.
Surf Height.................10 to 13 feet, subsiding to 6 to 7 feet
in the afternoon.
Thunderstorm Potential**....None.
Weather.....................Mostly sunny.
High Temperature............In the lower 40s.
Winds.......................West winds around 20 mph, diminishing
to around 10 mph in the afternoon.
Tides...
Westport Harbor..........High 3.0 feet (MLLW) 07:50 AM EST.
Low 0.0 feet (MLLW) 02:16 PM EST.
.SUNDAY...Surf height 8 to 11 feet. Mostly sunny. Highs in the upper
40s. West winds around 20 mph.
.MONDAY...Surf height 7 to 10 feet. Sunny, colder. Highs in the lower
30s. Northwest winds around 15 mph.
.TUESDAY...Surf height 3 to 6 feet. Mostly cloudy. Rain likely and a
chance of snow. Highs in the lower 40s. Southwest winds around
15 mph.
&&
Rip Current Risk Category
* Low Risk - The risk for rip currents is low, however,
life-threatening rip currents often occur in the vicinity of groins,
jetties, reefs, and piers.
* Moderate Risk - Life-threatening rip currents are possible in the
surf zone.
* High Risk - Life-threatening rip currents are likely in the surf
zone.
** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/box
$$
RIZ007-191100-
Newport RI-
Including the beaches of Newport, Middletown, and Little Compton
415 PM EST Thu Dec 18 2025
.FRIDAY...
Rip Current Risk*...........High.
Surf Height.................12 to 16 feet.
Thunderstorm Potential**....Low.
UV Index**..................Low.
Water Temperature...........In the upper 40s.
Weather.....................Cloudy until 5 PM, then partly sunny.
Rain with isolated thunderstorms.
High Temperature............In the mid 50s.
Winds.......................Windy. South winds around 30 mph.
Tides...
Newport..................High 3.5 feet (MLLW) 07:05 AM EST.
Low 0.1 feet (MLLW) 01:02 PM EST.
.SATURDAY...
Rip Current Risk*...........Moderate.
Surf Height.................8 to 12 feet.
Thunderstorm Potential**....None.
Weather.....................Mostly sunny.
High Temperature............In the lower 40s.
Winds.......................West winds 15 to 20 mph.
Tides...
Newport..................High 3.5 feet (MLLW) 07:41 AM EST.
Low 0.0 feet (MLLW) 01:43 PM EST.
.SUNDAY...Surf height 8 to 10 feet. Mostly sunny. Highs in the upper
40s. West winds around 20 mph.
.MONDAY...Surf height 6 to 9 feet. Sunny, colder. Highs in the lower
30s. Northwest winds around 15 mph.
.TUESDAY...Surf height 2 to 6 feet. Mostly cloudy. Rain likely and a
chance of snow. Highs in the lower 40s. Southwest winds around
15 mph.
&&
Rip Current Risk Category
* Low Risk - The risk for rip currents is low, however,
life-threatening rip currents often occur in the vicinity of groins,
jetties, reefs, and piers.
* Moderate Risk - Life-threatening rip currents are possible in the
surf zone.
* High Risk - Life-threatening rip currents are likely in the surf
zone.
** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/box
$$
RIZ006-191100-
Washington RI-
Including the beaches of Narragansett, Charlestown, and Westerly
415 PM EST Thu Dec 18 2025
.FRIDAY...
Rip Current Risk*...........High.
Surf Height.................12 to 16 feet.
Thunderstorm Potential**....Low.
UV Index**..................Low.
Water Temperature...........In the upper 40s.
Weather.....................Cloudy until 4 PM, then partly sunny.
Rain with isolated thunderstorms.
High Temperature............In the mid 50s.
Winds.......................Windy. South winds 25 to 30 mph.
Tides...
Watch Hill Point.........High 2.6 feet (MLLW) 07:46 AM EST.
Low 0.1 feet (MLLW) 02:18 PM EST.
Point Judith (Harbor)....High 3.2 feet (MLLW) 07:11 AM EST.
Low -0.2 feet (MLLW) 01:42 PM EST.
Narragansett Pier........High 3.2 feet (MLLW) 06:54 AM EST.
Low 0.1 feet (MLLW) 01:13 PM EST.
.SATURDAY...
Rip Current Risk*...........Moderate.
Surf Height.................8 to 12 feet.
Thunderstorm Potential**....None.
Weather.....................Mostly sunny.
High Temperature............In the lower 40s.
Winds.......................West winds 10 to 15 mph.
Tides...
Watch Hill Point.........High 2.6 feet (MLLW) 08:22 AM EST.
Low 0.0 feet (MLLW) 02:59 PM EST.
Point Judith (Harbor)....High 3.3 feet (MLLW) 07:46 AM EST.
Low -0.2 feet (MLLW) 02:17 PM EST.
Narragansett Pier........High 3.2 feet (MLLW) 07:30 AM EST.
Low 0.0 feet (MLLW) 01:54 PM EST.
.SUNDAY...Surf height 7 to 10 feet. Mostly sunny. Highs in the mid
40s. West winds around 15 mph.
.MONDAY...Surf height 6 to 9 feet. Sunny, colder. Highs in the lower
30s. Northwest winds around 15 mph.
.TUESDAY...Surf height 2 to 6 feet. Mostly cloudy. Rain likely and a
chance of snow. Highs around 40. Southwest winds around 10 mph.
&&
Rip Current Risk Category
* Low Risk - The risk for rip currents is low, however,
life-threatening rip currents often occur in the vicinity of groins,
jetties, reefs, and piers.
* Moderate Risk - Life-threatening rip currents are possible in the
surf zone.
* High Risk - Life-threatening rip currents are likely in the surf
zone.
** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/box
$$
RIZ008-191100-
Block Island RI-
Including the beaches of Block Island
415 PM EST Thu Dec 18 2025
.FRIDAY...
Rip Current Risk*...........Moderate.
Surf Height.................12 to 16 feet.
Thunderstorm Potential**....Low.
UV Index**..................Low.
Water Temperature...........Around 50.
Weather.....................Cloudy until 4 PM, then partly sunny.
Rain with isolated thunderstorms.
High Temperature............In the mid 50s.
Winds.......................Windy. South winds around 35 mph.
Tides...
Block Island (Old Harbor)High 3.0 feet (MLLW) 06:53 AM EST.
Low 0.0 feet (MLLW) 01:21 PM EST.
.SATURDAY...
Rip Current Risk*...........Moderate.
Surf Height.................9 to 12 feet, subsiding to 5 to 7 feet
in the afternoon.
Thunderstorm Potential**....None.
Weather.....................Mostly sunny.
High Temperature............In the mid 40s.
Winds.......................West winds 15 to 20 mph.
Tides...
Block Island (Old Harbor)High 3.0 feet (MLLW) 07:28 AM EST.
Low 0.0 feet (MLLW) 01:58 PM EST.
.SUNDAY...Surf height 7 to 10 feet. Mostly sunny. Highs in the upper
40s. Breezy. West winds around 25 mph.
.MONDAY...Surf height 7 to 10 feet. Sunny, colder. Highs in the mid
30s. Northwest winds around 20 mph.
.TUESDAY...Surf height 3 to 6 feet. Mostly cloudy. Rain likely and a
chance of snow. Highs in the lower 40s. Southwest winds around
20 mph.
&&
Rip Current Risk Category
* Low Risk - The risk for rip currents is low, however,
life-threatening rip currents often occur in the vicinity of groins,
jetties, reefs, and piers.
* Moderate Risk - Life-threatening rip currents are possible in the
surf zone.
* High Risk - Life-threatening rip currents are likely in the surf
zone.
** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/box
$$
MAZ019-191100-
Eastern Plymouth MA-
Including the beaches of Cohasset, Duxbury, Hingham, Kingston,
Marshfield, Plymouth, and Scituate
415 PM EST Thu Dec 18 2025
.FRIDAY...
Rip Current Risk*...........Moderate.
Surf Height.................8 to 11 feet.
Thunderstorm Potential**....None.
UV Index**..................Low.
Water Temperature...........In the mid 40s.
Weather.....................Cloudy until 5 PM, then partly sunny.
Rain.
High Temperature............In the mid 50s.
Winds.......................Windy. South winds around 30 mph.
Tides...
Scituate Harbor..........High 9.2 feet (MLLW) 10:36 AM EST.
Low 0.6 feet (MLLW) 04:59 PM EST.
Plymouth.................High 9.8 feet (MLLW) 10:40 AM EST.
Low 0.7 feet (MLLW) 05:14 PM EST.
.SATURDAY...
Rip Current Risk*...........Low.
Surf Height.................7 to 11 feet.
Thunderstorm Potential**....None.
Weather.....................Mostly sunny.
High Temperature............In the lower 40s.
Winds.......................West winds around 20 mph, diminishing
to around 10 mph in the afternoon.
Tides...
Scituate Harbor..........High 9.2 feet (MLLW) 11:14 AM EST.
Low 0.5 feet (MLLW) 05:37 PM EST.
Plymouth.................High 9.9 feet (MLLW) 11:19 AM EST.
Low 0.6 feet (MLLW) 05:55 PM EST.
.SUNDAY...Surf height 4 to 6 feet. Mostly sunny. Highs in the mid
40s. West winds around 15 mph.
.MONDAY...Surf height 5 to 8 feet. Sunny. A chance of light freezing
spray. Colder. Highs in the lower 30s. Northwest winds around 20 mph.
.TUESDAY...Surf height 2 to 5 feet. Mostly cloudy. A chance of snow
and rain. Highs in the upper 30s. Southwest winds around 10 mph.
&&
Rip Current Risk Category
* Low Risk - The risk for rip currents is low, however,
life-threatening rip currents often occur in the vicinity of groins,
jetties, reefs, and piers.
* Moderate Risk - Life-threatening rip currents are possible in the
surf zone.
* High Risk - Life-threatening rip currents are likely in the surf
zone.
** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/box
$$
MAZ015-016-191100-
Suffolk MA-Eastern Norfolk MA-
Including the beaches of Boston, Chelsea, Revere, Winthrop,
Braintree, Milton, Quincy, and Weymouth
415 PM EST Thu Dec 18 2025
.FRIDAY...
Rip Current Risk*...........Moderate.
Surf Height.................7 to 10 feet.
Thunderstorm Potential**....None.
UV Index**..................Low.
Water Temperature...........In the mid 40s.
Weather.....................Cloudy until 5 PM, then partly sunny.
Rain.
High Temperature............In the mid 50s.
Winds.......................Windy. South winds 25 to 30 mph.
Tides...
Boston...................High 9.8 feet (MLLW) 10:32 AM EST.
Low 0.4 feet (MLLW) 04:59 PM EST.
.SATURDAY...
Rip Current Risk*...........Low.
Surf Height.................7 to 10 feet.
Thunderstorm Potential**....None.
Weather.....................Mostly sunny.
High Temperature............In the lower 40s.
Winds.......................West winds 10 to 15 mph.
Tides...
Boston...................High 9.9 feet (MLLW) 11:11 AM EST.
Low 0.3 feet (MLLW) 05:38 PM EST.
.SUNDAY...Surf height 4 to 7 feet. Mostly sunny. Highs in the mid
40s. West winds around 15 mph.
.MONDAY...Surf height 5 to 8 feet. Sunny, colder. Highs in the lower
30s. Northwest winds around 20 mph.
.TUESDAY...Surf height 3 to 4 feet. Mostly cloudy. A chance of snow
and rain. Highs in the upper 30s. Southwest winds around 10 mph.
&&
Rip Current Risk Category
* Low Risk - The risk for rip currents is low, however,
life-threatening rip currents often occur in the vicinity of groins,
jetties, reefs, and piers.
* Moderate Risk - Life-threatening rip currents are possible in the
surf zone.
* High Risk - Life-threatening rip currents are likely in the surf
zone.
** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/box
$$
MAZ007-191100-
Eastern Essex MA-
Including the beaches of Beverly, Gloucester, and Newburyport
415 PM EST Thu Dec 18 2025
.FRIDAY...
Rip Current Risk*...........High.
Surf Height.................9 to 13 feet.
Thunderstorm Potential**....None.
UV Index**..................Low.
Water Temperature...........In the mid 40s.
Weather.....................Cloudy. Rain.
High Temperature............In the mid 50s.
Winds.......................Windy. South winds 25 to 30 mph.
Tides...
Newburyport..............High 8.3 feet (MLLW) 10:51 AM EST.
Low 0.2 feet (MLLW) 05:36 PM EST.
Gloucester Harbor........High 8.9 feet (MLLW) 10:34 AM EST.
Low 0.4 feet (MLLW) 04:57 PM EST.
.SATURDAY...
Rip Current Risk*...........Moderate.
Surf Height.................8 to 11 feet.
Thunderstorm Potential**....None.
Weather.....................Mostly sunny.
High Temperature............Around 40.
Winds.......................West winds around 20 mph, diminishing
to around 10 mph in the afternoon.
Tides...
Newburyport..............High 8.4 feet (MLLW) 11:31 AM EST.
Gloucester Harbor........High 9.0 feet (MLLW) 11:10 AM EST.
Low 0.4 feet (MLLW) 05:35 PM EST.
.SUNDAY...Surf height 5 to 8 feet. Partly sunny. Highs in the mid
40s. West winds around 15 mph.
.MONDAY...Surf height 5 to 9 feet. Sunny, colder. Highs around 30.
Northwest winds around 20 mph.
.TUESDAY...Surf height 3 to 4 feet. Mostly cloudy. A chance of snow.
Highs in the upper 30s. Southwest winds around 10 mph.
&&
Rip Current Risk Category
* Low Risk - The risk for rip currents is low, however,
life-threatening rip currents often occur in the vicinity of groins,
jetties, reefs, and piers.
* Moderate Risk - Life-threatening rip currents are possible in the
surf zone.
* High Risk - Life-threatening rip currents are likely in the surf
zone.
** For thunderstorm, waterspout, and UV definitions see:
https://www.weather.gov/beach/box
$$