FZUS52 KJAX 310508
CWFJAX
Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
1208 AM EST Wed Dec 31 2025
Atlantic Coastal Waters from Altamaha Sound GA to Flagler Beach
FL out to 60 nm.
Seas are provided as a range of the average height of the highest
1/3 of the waves, along with the occasional height of the average
highest 1/10 of the waves.
AMZ400-312015-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
1208 AM EST Wed Dec 31 2025
.SYNOPSIS...
Strong high pressure building eastward from Texas will slowly weaken
as it pushes eastward across the Gulf tonight and Thursday, becoming
centered over south Florida by Friday. Gusty northwesterly winds
will continue through tonight with Small Craft Advisory headlines in
place for the offshore waters again late tonight. Breezy westerly
winds will prevail through early Thursday evening before shifting to
southwesterly while briefly diminishing on Friday afternoon and
evening. Weak low pressure developing over the lower Mississippi
Valley on Friday will shift eastward across the southeastern states
on Saturday, moving offshore on Saturday night. This storm system
will bring showers and a few embedded thunderstorms to our area on
Saturday and Saturday night, along with Small Craft Advisory
conditions for the offshore waters. Breezy northerly winds are
forecast in the wake of this storm system on Sunday and Sunday
night.
.GULF STREAM...
The approximate location of the west wall of the Gulf Stream as of
Dec 30, 2025 at 0000 UTC...
54 nautical miles east of Flagler Beach.
58 nautical miles east of Saint Augustine Beach.
70 nautical miles east southeast of Jacksonville Beach.
71 nautical miles east southeast of St Simons Island.
This data derived from NCEP Global RTOFS model.
$$
AMZ452-454-312015-
Coastal waters from Fernandina Beach to St. Augustine FL out
20 NM-
Coastal waters from St. Augustine to Flagler Beach FL out 20 NM-
1208 AM EST Wed Dec 31 2025
...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL NOON EST TODAY...
.REST OF TONIGHT...Northwest winds 15 to 20 knots. Seas 3 to
5 feet, occasionally to 6 feet. Wave Detail: North 4 feet at
5 seconds and northeast 3 feet at 9 seconds. Intracoastal waters
choppy.
.WEDNESDAY...Northwest winds 15 to 20 knots, becoming west 10 to
15 knots in the afternoon. Seas 3 to 4 feet, occasionally to
5 feet. Wave Detail: North 4 feet at 5 seconds and northeast
3 feet at 8 seconds. Intracoastal waters choppy.
.WEDNESDAY NIGHT...West winds 15 to 20 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: Northwest 3 feet at
4 seconds and northeast 2 feet at 7 seconds. Intracoastal waters
choppy.
.THURSDAY...West winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Seas 2 to 4 feet, occasionally to
5 feet. Wave Detail: Northwest 3 feet at 4 seconds. Intracoastal
waters choppy.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Southwest winds 10 to
15 knots. Seas around 2 feet. Wave Detail: West 2 feet at
3 seconds. Intracoastal waters a moderate chop.
.SATURDAY...Southwest winds 15 to 20 knots. Seas 2 to 3 feet.
Wave Detail: South 3 feet at 4 seconds. Intracoastal waters
choppy. A chance of showers in the morning, then showers with a
slight chance of thunderstorms through the night. A chance of
showers after midnight.
.SUNDAY...North winds 10 to 15 knots. Seas 2 to 3 feet.
Intracoastal waters a moderate chop. A slight chance of showers
in the morning.
Winds and waves higher in and near thunderstorms.
$$
AMZ450-312015-
Coastal waters from Altamaha Sound to Fernandina Beach FL out
20 NM-
1208 AM EST Wed Dec 31 2025
...SMALL CRAFT EXERCISE CAUTION...
.REST OF TONIGHT...Northwest winds 15 to 20 knots. Seas 2 to
3 feet. Wave Detail: Northwest 2 feet at 3 seconds and northeast
2 feet at 6 seconds. Intracoastal waters choppy.
.WEDNESDAY...Northwest winds 15 to 20 knots, becoming west 10 to
15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail:
Northwest 2 feet at 4 seconds and northeast 2 feet at 7 seconds.
Intracoastal waters choppy.
.WEDNESDAY NIGHT...West winds 15 to 20 knots. Seas 2 to 3 feet.
Wave Detail: West 3 feet at 3 seconds and east 2 feet at
7 seconds. Intracoastal waters choppy.
.THURSDAY...West winds 15 to 20 knots, diminishing to around
10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: West
3 feet at 3 seconds. Intracoastal waters choppy.
.THURSDAY NIGHT AND FRIDAY...Southwest winds 5 to 10 knots. Seas
around 2 feet. Wave Detail: West 2 feet at 3 seconds.
Intracoastal waters light chop.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots. Waves 1 foot or
less, then around 2 feet after midnight. Wave Detail: South
2 feet at 3 seconds. Intracoastal waters light chop. A slight
chance of showers after midnight.
.SATURDAY...Southwest winds 10 to 15 knots, becoming west. Seas
2 to 3 feet. Intracoastal waters a moderate chop. A chance of
showers in the morning, then showers with a slight chance of
thunderstorms through the night. A chance of showers after
midnight.
.SUNDAY...North winds 10 to 15 knots, becoming northeast 5 to
10 knots. Seas around 2 feet. Intracoastal waters a moderate
chop. A slight chance of showers in the morning.
Winds and waves higher in and near thunderstorms.
$$
AMZ472-312015-
Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM-
1208 AM EST Wed Dec 31 2025
...SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH THIS
AFTERNOON...
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
THURSDAY MORNING...
.REST OF TONIGHT...Northwest winds 15 to 20 knots. Seas 4 to
5 feet, occasionally to 6 feet. Wave Detail: North 4 feet at
6 seconds.
.WEDNESDAY...Northwest winds 15 to 20 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: Northwest 4 feet at
5 seconds and northeast 3 feet at 8 seconds.
.WEDNESDAY NIGHT...West winds increasing to 20 knots. Seas 3 to 5
feet, occasionally to 6 feet. Wave Detail: Northwest 5 feet at 5
seconds and northeast 2 feet at 8 seconds.
.THURSDAY...West winds 15 to 20 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: Northwest 5 feet at
5 seconds and northeast 2 feet at 8 seconds.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Southwest winds 10 to
15 knots. Seas 2 to 3 feet. Wave Detail: West 3 feet at
4 seconds.
.SATURDAY...Southwest winds 15 to 20 knots, becoming west 20 to
25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail:
Southwest 5 feet at 5 seconds. A slight chance of showers in the
morning, then showers. A slight chance of thunderstorms through
the night.
.SUNDAY...North winds 15 to 20 knots, diminishing to 10 to
15 knots. Seas 3 to 4 feet, occasionally to 5 feet. A chance of
showers in the morning, then a slight chance of showers through
the night.
Winds and seas higher in and near thunderstorms.
$$
AMZ474-312015-
Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM-
1208 AM EST Wed Dec 31 2025
...SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH THIS
AFTERNOON...
.REST OF TONIGHT...Northwest winds 15 to 20 knots. Seas around 5
feet, occasionally to 6 feet. Wave Detail: North 5 feet at 6
seconds and northeast 3 feet at 9 seconds.
.WEDNESDAY...Northwest winds 15 to 20 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: North 4 feet at 6 seconds.
.WEDNESDAY NIGHT...West winds 15 to 20 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: Northwest 5 feet at
5 seconds and northeast 2 feet at 8 seconds.
.THURSDAY...West winds 15 to 20 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: Northwest 5 feet at
6 seconds and northeast 2 feet at 8 seconds.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Southwest winds 10 to
15 knots. Seas 2 to 3 feet. Wave Detail: West 3 feet at
5 seconds.
.SATURDAY...Southwest winds 15 to 20 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: Southwest 4 feet at
5 seconds. A slight chance of showers in the morning, then
showers. A slight chance of thunderstorms through the night.
.SUNDAY...Northwest winds 15 to 20 knots, becoming north 10 to
15 knots. Seas 3 to 4 feet, occasionally to 5 feet. A chance of
showers, mainly in the morning.
Winds and seas higher in and near thunderstorms.
$$
AMZ470-312015-
Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to
60 NM-
1208 AM EST Wed Dec 31 2025
...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL NOON EST TODAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
THURSDAY MORNING...
.REST OF TONIGHT...Northwest winds 15 to 20 knots. Seas around
4 feet, occasionally to 5 feet. Wave Detail: Northwest 3 feet at
4 seconds and northeast 3 feet at 7 seconds.
.WEDNESDAY...Northwest winds 15 to 20 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Northwest 4 feet at
5 seconds and northeast 2 feet at 8 seconds.
.WEDNESDAY NIGHT...West winds increasing to 20 knots. Seas 3 to 5
feet, occasionally to 6 feet. Wave Detail: West 5 feet at 5
seconds and east 2 feet at 8 seconds.
.THURSDAY...West winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Seas 3 to 5 feet, occasionally to
6 feet. Wave Detail: West 5 feet at 5 seconds and east 2 feet at
8 seconds.
.THURSDAY NIGHT AND FRIDAY...Southwest winds 10 to 15 knots. Seas
2 to 3 feet. Wave Detail: West 2 feet at 4 seconds.
.FRIDAY NIGHT...Southwest winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southwest 3 feet at 4 seconds. A slight chance of
showers after midnight.
.SATURDAY...Southwest winds 15 to 20 knots, becoming west. Seas
3 to 5 feet, occasionally to 6 feet. A chance of showers in the
morning, then showers through the night. A slight chance of
thunderstorms. A chance of showers after midnight.
.SUNDAY...North winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. A slight chance of showers through the
day.
Winds and seas higher in and near thunderstorms.
$$
CWFJAX
Coastal Waters Forecast for Northeast Florida/Southeast Georgia
National Weather Service Jacksonville FL
1208 AM EST Wed Dec 31 2025
Atlantic Coastal Waters from Altamaha Sound GA to Flagler Beach
FL out to 60 nm.
Seas are provided as a range of the average height of the highest
1/3 of the waves, along with the occasional height of the average
highest 1/10 of the waves.
AMZ400-312015-
Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-
1208 AM EST Wed Dec 31 2025
.SYNOPSIS...
Strong high pressure building eastward from Texas will slowly weaken
as it pushes eastward across the Gulf tonight and Thursday, becoming
centered over south Florida by Friday. Gusty northwesterly winds
will continue through tonight with Small Craft Advisory headlines in
place for the offshore waters again late tonight. Breezy westerly
winds will prevail through early Thursday evening before shifting to
southwesterly while briefly diminishing on Friday afternoon and
evening. Weak low pressure developing over the lower Mississippi
Valley on Friday will shift eastward across the southeastern states
on Saturday, moving offshore on Saturday night. This storm system
will bring showers and a few embedded thunderstorms to our area on
Saturday and Saturday night, along with Small Craft Advisory
conditions for the offshore waters. Breezy northerly winds are
forecast in the wake of this storm system on Sunday and Sunday
night.
.GULF STREAM...
The approximate location of the west wall of the Gulf Stream as of
Dec 30, 2025 at 0000 UTC...
54 nautical miles east of Flagler Beach.
58 nautical miles east of Saint Augustine Beach.
70 nautical miles east southeast of Jacksonville Beach.
71 nautical miles east southeast of St Simons Island.
This data derived from NCEP Global RTOFS model.
$$
AMZ452-454-312015-
Coastal waters from Fernandina Beach to St. Augustine FL out
20 NM-
Coastal waters from St. Augustine to Flagler Beach FL out 20 NM-
1208 AM EST Wed Dec 31 2025
...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL NOON EST TODAY...
.REST OF TONIGHT...Northwest winds 15 to 20 knots. Seas 3 to
5 feet, occasionally to 6 feet. Wave Detail: North 4 feet at
5 seconds and northeast 3 feet at 9 seconds. Intracoastal waters
choppy.
.WEDNESDAY...Northwest winds 15 to 20 knots, becoming west 10 to
15 knots in the afternoon. Seas 3 to 4 feet, occasionally to
5 feet. Wave Detail: North 4 feet at 5 seconds and northeast
3 feet at 8 seconds. Intracoastal waters choppy.
.WEDNESDAY NIGHT...West winds 15 to 20 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: Northwest 3 feet at
4 seconds and northeast 2 feet at 7 seconds. Intracoastal waters
choppy.
.THURSDAY...West winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Seas 2 to 4 feet, occasionally to
5 feet. Wave Detail: Northwest 3 feet at 4 seconds. Intracoastal
waters choppy.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Southwest winds 10 to
15 knots. Seas around 2 feet. Wave Detail: West 2 feet at
3 seconds. Intracoastal waters a moderate chop.
.SATURDAY...Southwest winds 15 to 20 knots. Seas 2 to 3 feet.
Wave Detail: South 3 feet at 4 seconds. Intracoastal waters
choppy. A chance of showers in the morning, then showers with a
slight chance of thunderstorms through the night. A chance of
showers after midnight.
.SUNDAY...North winds 10 to 15 knots. Seas 2 to 3 feet.
Intracoastal waters a moderate chop. A slight chance of showers
in the morning.
Winds and waves higher in and near thunderstorms.
$$
AMZ450-312015-
Coastal waters from Altamaha Sound to Fernandina Beach FL out
20 NM-
1208 AM EST Wed Dec 31 2025
...SMALL CRAFT EXERCISE CAUTION...
.REST OF TONIGHT...Northwest winds 15 to 20 knots. Seas 2 to
3 feet. Wave Detail: Northwest 2 feet at 3 seconds and northeast
2 feet at 6 seconds. Intracoastal waters choppy.
.WEDNESDAY...Northwest winds 15 to 20 knots, becoming west 10 to
15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail:
Northwest 2 feet at 4 seconds and northeast 2 feet at 7 seconds.
Intracoastal waters choppy.
.WEDNESDAY NIGHT...West winds 15 to 20 knots. Seas 2 to 3 feet.
Wave Detail: West 3 feet at 3 seconds and east 2 feet at
7 seconds. Intracoastal waters choppy.
.THURSDAY...West winds 15 to 20 knots, diminishing to around
10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: West
3 feet at 3 seconds. Intracoastal waters choppy.
.THURSDAY NIGHT AND FRIDAY...Southwest winds 5 to 10 knots. Seas
around 2 feet. Wave Detail: West 2 feet at 3 seconds.
Intracoastal waters light chop.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots. Waves 1 foot or
less, then around 2 feet after midnight. Wave Detail: South
2 feet at 3 seconds. Intracoastal waters light chop. A slight
chance of showers after midnight.
.SATURDAY...Southwest winds 10 to 15 knots, becoming west. Seas
2 to 3 feet. Intracoastal waters a moderate chop. A chance of
showers in the morning, then showers with a slight chance of
thunderstorms through the night. A chance of showers after
midnight.
.SUNDAY...North winds 10 to 15 knots, becoming northeast 5 to
10 knots. Seas around 2 feet. Intracoastal waters a moderate
chop. A slight chance of showers in the morning.
Winds and waves higher in and near thunderstorms.
$$
AMZ472-312015-
Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM-
1208 AM EST Wed Dec 31 2025
...SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH THIS
AFTERNOON...
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
THURSDAY MORNING...
.REST OF TONIGHT...Northwest winds 15 to 20 knots. Seas 4 to
5 feet, occasionally to 6 feet. Wave Detail: North 4 feet at
6 seconds.
.WEDNESDAY...Northwest winds 15 to 20 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: Northwest 4 feet at
5 seconds and northeast 3 feet at 8 seconds.
.WEDNESDAY NIGHT...West winds increasing to 20 knots. Seas 3 to 5
feet, occasionally to 6 feet. Wave Detail: Northwest 5 feet at 5
seconds and northeast 2 feet at 8 seconds.
.THURSDAY...West winds 15 to 20 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: Northwest 5 feet at
5 seconds and northeast 2 feet at 8 seconds.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Southwest winds 10 to
15 knots. Seas 2 to 3 feet. Wave Detail: West 3 feet at
4 seconds.
.SATURDAY...Southwest winds 15 to 20 knots, becoming west 20 to
25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail:
Southwest 5 feet at 5 seconds. A slight chance of showers in the
morning, then showers. A slight chance of thunderstorms through
the night.
.SUNDAY...North winds 15 to 20 knots, diminishing to 10 to
15 knots. Seas 3 to 4 feet, occasionally to 5 feet. A chance of
showers in the morning, then a slight chance of showers through
the night.
Winds and seas higher in and near thunderstorms.
$$
AMZ474-312015-
Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM-
1208 AM EST Wed Dec 31 2025
...SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH THIS
AFTERNOON...
.REST OF TONIGHT...Northwest winds 15 to 20 knots. Seas around 5
feet, occasionally to 6 feet. Wave Detail: North 5 feet at 6
seconds and northeast 3 feet at 9 seconds.
.WEDNESDAY...Northwest winds 15 to 20 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: North 4 feet at 6 seconds.
.WEDNESDAY NIGHT...West winds 15 to 20 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: Northwest 5 feet at
5 seconds and northeast 2 feet at 8 seconds.
.THURSDAY...West winds 15 to 20 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: Northwest 5 feet at
6 seconds and northeast 2 feet at 8 seconds.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Southwest winds 10 to
15 knots. Seas 2 to 3 feet. Wave Detail: West 3 feet at
5 seconds.
.SATURDAY...Southwest winds 15 to 20 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: Southwest 4 feet at
5 seconds. A slight chance of showers in the morning, then
showers. A slight chance of thunderstorms through the night.
.SUNDAY...Northwest winds 15 to 20 knots, becoming north 10 to
15 knots. Seas 3 to 4 feet, occasionally to 5 feet. A chance of
showers, mainly in the morning.
Winds and seas higher in and near thunderstorms.
$$
AMZ470-312015-
Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to
60 NM-
1208 AM EST Wed Dec 31 2025
...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL NOON EST TODAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
THURSDAY MORNING...
.REST OF TONIGHT...Northwest winds 15 to 20 knots. Seas around
4 feet, occasionally to 5 feet. Wave Detail: Northwest 3 feet at
4 seconds and northeast 3 feet at 7 seconds.
.WEDNESDAY...Northwest winds 15 to 20 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Northwest 4 feet at
5 seconds and northeast 2 feet at 8 seconds.
.WEDNESDAY NIGHT...West winds increasing to 20 knots. Seas 3 to 5
feet, occasionally to 6 feet. Wave Detail: West 5 feet at 5
seconds and east 2 feet at 8 seconds.
.THURSDAY...West winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Seas 3 to 5 feet, occasionally to
6 feet. Wave Detail: West 5 feet at 5 seconds and east 2 feet at
8 seconds.
.THURSDAY NIGHT AND FRIDAY...Southwest winds 10 to 15 knots. Seas
2 to 3 feet. Wave Detail: West 2 feet at 4 seconds.
.FRIDAY NIGHT...Southwest winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southwest 3 feet at 4 seconds. A slight chance of
showers after midnight.
.SATURDAY...Southwest winds 15 to 20 knots, becoming west. Seas
3 to 5 feet, occasionally to 6 feet. A chance of showers in the
morning, then showers through the night. A slight chance of
thunderstorms. A chance of showers after midnight.
.SUNDAY...North winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. A slight chance of showers through the
day.
Winds and seas higher in and near thunderstorms.
$$