FZUS52 KMFL 182011
CWFMFL
Coastal Waters Forecast for Florida
National Weather Service Miami FL
311 PM EST Thu Dec 18 2025
Atlantic coastal waters from Jupiter Inlet to Ocean Reef out to
60 nm and Gulf coastal waters from East Cape Sable to Chokoloskee
out 20 nm and Chokoloskee to Bonita Beach out 60 nm...including the
waters of Biscayne Bay and Lake Okeechobee.
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 10 percent of the waves.
AMZ600-GMZ606-190900-
311 PM EST Thu Dec 18 2025
.Synopsis for Jupiter Inlet to Ocean Reef FL out to 60 nm and for
East Cape Sable to Bonita Beach FL out to 60 nm...
A moderate southeasterly wind flow will develop across most of the
local waters today before shifting and become south to southwesterly
tonight as a cold front approaches the region. These winds could
become fresh over the Atlantic waters today and tonight. Isolated to
scattered showers will develop over the local waters today and
tonight. An isolated thunderstorm cannot be ruled out later this
afternoon into this evening. Winds behind the front shift and become
west northwest across all local waters Friday afternoon.
Gulf Stream Hazards: None.
The approximate location of the west wall of the Gulf Stream as of
Dec 06, 2025.
1 nautical miles north northeast of Fowey Rocks.
1 nautical miles east of Port Everglades.
3 nautical miles east northeast of Lake Worth.
6 nautical miles east northeast of Jupiter Inlet.
This data courtesy of the Naval Oceanographic Office.
$$
AMZ650-670-190900-
Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM-
Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM-
311 PM EST Thu Dec 18 2025
.TONIGHT...S winds around 15 kt, becoming SW late. Seas 2 to 4 ft,
occasionally to 5 ft. Wave Detail: SE 3 ft at 5 seconds and NW 2 ft
at 7 seconds. Intracoastal waters light chop. A slight chance of
tstms. A slight chance of showers until early morning, then a chance
of showers late.
.FRI...SW winds 10 to 15 kt, becoming W in the afternoon. Seas
around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at
5 seconds. Intracoastal waters light chop.
.FRI NIGHT...N winds 5 to 10 kt. Seas around 2 ft. Wave Detail: N
2 ft at 4 seconds and E 1 foot at 9 seconds. Intracoastal waters
light chop.
.SAT...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft at
4 seconds. Intracoastal waters a moderate chop.
.SAT NIGHT AND SUN...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave
Detail: E 3 ft at 6 seconds. Intracoastal waters a moderate chop.
.SUN NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft, occasionally to 5 ft, building to 4 to 6 ft, occasionally to
8 ft after midnight. Wave Detail: N 4 ft at 5 seconds, becoming NE
5 ft at 5 seconds. Intracoastal waters choppy in exposed areas.
.MON...NE winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. Seas 5 to 7 ft, occasionally to 9 ft, building to 7 to
10 ft, occasionally to 13 ft in the afternoon. Intracoastal waters
very rough in exposed areas.
.MON...E winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. Seas 9 to 12 ft, occasionally to 15 ft, subsiding to 7 to
10 ft, occasionally to 13 ft in the afternoon. Intracoastal waters
very rough in exposed areas.
.TUE NIGHT...E winds 20 to 25 kt. Seas 6 to 9 ft, occasionally to
11 ft, subsiding to 5 to 7 ft, occasionally to 9 ft after midnight.
Intracoastal waters rough in exposed areas.
Winds and seas higher in and near tstms.
$$
AMZ651-671-190900-
Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM-
Waters from Deerfield Beach to Ocean Reef FL from 20 to 60 NM
excluding the territorial waters of Bahamas-
311 PM EST Thu Dec 18 2025
.TONIGHT...SE winds 10 to 15 kt, becoming S late. Seas 2 to 3 ft.
Wave Detail: SE 2 ft at 4 seconds and NW 1 foot at 6 seconds.
Intracoastal waters light chop. A slight chance of showers after
midnight.
.FRI...W winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 1 foot
at 4 seconds and W 1 foot at 4 seconds. Intracoastal waters light
chop.
.FRI NIGHT...NW winds around 5 kt, becoming NE after midnight. Seas
less than 2 ft or less, then around 2 ft after midnight. Wave
Detail: E 1 foot at 3 seconds and W 1 foot at 3 seconds, becoming NE
1 foot at 3 seconds and W 1 foot at 3 seconds. Intracoastal waters
light chop.
.SAT...NE winds 10 to 15 kt. Seas around 2 ft. Wave Detail: NE 2 ft
at 3 seconds. Intracoastal waters a moderate chop.
.SAT NIGHT AND SUN...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave
Detail: NE 3 ft at 4 seconds. Intracoastal waters a moderate chop.
.SUN NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft, occasionally to 8 ft. Wave Detail: NE 5 ft at 6 seconds and N
1 foot at 3 seconds. Intracoastal waters choppy in exposed areas.
.MON...NE winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. Seas 5 to 7 ft, occasionally to 9 ft, building to 6 to
9 ft, occasionally to 11 ft in the afternoon. Intracoastal waters
very rough in exposed areas.
.MON...NE winds 25 to 30 kt, becoming E 20 to 25 kt in the
afternoon. Seas 8 to 11 ft, occasionally to 14 ft. Intracoastal
waters very rough in exposed areas.
.TUE NIGHT...E winds 20 to 25 kt. Seas 6 to 9 ft, occasionally to
11 ft. Intracoastal waters rough in exposed areas.
$$
GMZ656-657-676-190900-
Coastal waters from Chokoloskee to Bonita Beach FL out 20 NM-
Coastal waters from East Cape Sable to Chokoloskee FL out 20 NM-
Waters from Chokoloskee to Bonita Beach FL from 20 to 60 NM-
311 PM EST Thu Dec 18 2025
.TONIGHT...S winds 5 to 10 kt, becoming SW late. Seas less than 2 ft
or less. Wave Detail: SE 1 foot at 3 seconds. Bay and inland waters
light chop.
.FRI...W winds 5 to 10 kt. Seas less than 2 ft or less. Wave Detail:
SW 1 foot at 4 seconds. Bay and inland waters light chop.
.FRI NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NW
2 ft at 4 seconds. Bay and inland waters light chop.
.SAT...NE winds 10 to 15 kt, becoming N 5 to 10 kt in the afternoon.
Seas 2 to 3 ft. Wave Detail: NW 3 ft at 6 seconds and NE 1 foot at
2 seconds. Bay and inland waters light chop.
.SAT NIGHT THROUGH SUN NIGHT...NE winds 15 to 20 kt. Seas around
2 ft. Wave Detail: NE 2 ft at 3 seconds and NW 2 ft at 6 seconds.
Bay and inland waters a moderate chop.
.MON...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 4 seconds. Bay
and inland waters a moderate chop.
.MON NIGHT...NE winds 15 to 20 kt. Seas 3 to 5 ft, occasionally to
6 ft. Bay and inland waters a moderate chop.
.TUE...NE winds 15 to 20 kt, becoming E 10 to 15 kt in the
afternoon, then becoming NE 15 to 20 kt. Seas 2 to 4 ft,
occasionally to 5 ft. Bay and inland waters a moderate chop.
$$
AMZ610-190900-
Lake Okeechobee-
311 PM EST Thu Dec 18 2025
.TONIGHT...S winds 5 to 10 kt, becoming SW late. Lake waters light
chop.
.FRI...SW winds 5 to 10 kt, becoming W in the afternoon. Lake waters
light chop.
.FRI NIGHT...N winds 5 to 10 kt. Lake waters light chop.
.SAT...NE winds 5 to 10 kt. Lake waters light chop.
.SAT NIGHT THROUGH SUN NIGHT...N winds 10 to 15 kt. Lake waters a
moderate chop.
.MON...NE winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Lake waters choppy.
.MON NIGHT...NE winds 15 to 20 kt. Lake waters choppy.
.TUE...NE winds 15 to 20 kt, diminishing to 5 to 10 kt. Lake waters
choppy.
$$
AMZ630-190900-
Biscayne Bay-
311 PM EST Thu Dec 18 2025
.TONIGHT...SE winds 5 to 10 kt, becoming S late. Light chop.
.FRI...SW winds around 5 kt. Smooth.
.FRI NIGHT...NW winds 5 to 10 kt. Light chop.
.SAT...NE winds 5 to 10 kt, becoming E in the afternoon. Light chop.
.SAT NIGHT THROUGH SUN NIGHT...NE winds 15 to 20 kt. Choppy.
.MON THROUGH TUE...E winds 25 to 30 kt. Very rough.
$$
CWFMFL
Coastal Waters Forecast for Florida
National Weather Service Miami FL
311 PM EST Thu Dec 18 2025
Atlantic coastal waters from Jupiter Inlet to Ocean Reef out to
60 nm and Gulf coastal waters from East Cape Sable to Chokoloskee
out 20 nm and Chokoloskee to Bonita Beach out 60 nm...including the
waters of Biscayne Bay and Lake Okeechobee.
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 10 percent of the waves.
AMZ600-GMZ606-190900-
311 PM EST Thu Dec 18 2025
.Synopsis for Jupiter Inlet to Ocean Reef FL out to 60 nm and for
East Cape Sable to Bonita Beach FL out to 60 nm...
A moderate southeasterly wind flow will develop across most of the
local waters today before shifting and become south to southwesterly
tonight as a cold front approaches the region. These winds could
become fresh over the Atlantic waters today and tonight. Isolated to
scattered showers will develop over the local waters today and
tonight. An isolated thunderstorm cannot be ruled out later this
afternoon into this evening. Winds behind the front shift and become
west northwest across all local waters Friday afternoon.
Gulf Stream Hazards: None.
The approximate location of the west wall of the Gulf Stream as of
Dec 06, 2025.
1 nautical miles north northeast of Fowey Rocks.
1 nautical miles east of Port Everglades.
3 nautical miles east northeast of Lake Worth.
6 nautical miles east northeast of Jupiter Inlet.
This data courtesy of the Naval Oceanographic Office.
$$
AMZ650-670-190900-
Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM-
Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM-
311 PM EST Thu Dec 18 2025
.TONIGHT...S winds around 15 kt, becoming SW late. Seas 2 to 4 ft,
occasionally to 5 ft. Wave Detail: SE 3 ft at 5 seconds and NW 2 ft
at 7 seconds. Intracoastal waters light chop. A slight chance of
tstms. A slight chance of showers until early morning, then a chance
of showers late.
.FRI...SW winds 10 to 15 kt, becoming W in the afternoon. Seas
around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at
5 seconds. Intracoastal waters light chop.
.FRI NIGHT...N winds 5 to 10 kt. Seas around 2 ft. Wave Detail: N
2 ft at 4 seconds and E 1 foot at 9 seconds. Intracoastal waters
light chop.
.SAT...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft at
4 seconds. Intracoastal waters a moderate chop.
.SAT NIGHT AND SUN...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave
Detail: E 3 ft at 6 seconds. Intracoastal waters a moderate chop.
.SUN NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft, occasionally to 5 ft, building to 4 to 6 ft, occasionally to
8 ft after midnight. Wave Detail: N 4 ft at 5 seconds, becoming NE
5 ft at 5 seconds. Intracoastal waters choppy in exposed areas.
.MON...NE winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. Seas 5 to 7 ft, occasionally to 9 ft, building to 7 to
10 ft, occasionally to 13 ft in the afternoon. Intracoastal waters
very rough in exposed areas.
.MON...E winds 25 to 30 kt, diminishing to 20 to 25 kt in the
afternoon. Seas 9 to 12 ft, occasionally to 15 ft, subsiding to 7 to
10 ft, occasionally to 13 ft in the afternoon. Intracoastal waters
very rough in exposed areas.
.TUE NIGHT...E winds 20 to 25 kt. Seas 6 to 9 ft, occasionally to
11 ft, subsiding to 5 to 7 ft, occasionally to 9 ft after midnight.
Intracoastal waters rough in exposed areas.
Winds and seas higher in and near tstms.
$$
AMZ651-671-190900-
Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM-
Waters from Deerfield Beach to Ocean Reef FL from 20 to 60 NM
excluding the territorial waters of Bahamas-
311 PM EST Thu Dec 18 2025
.TONIGHT...SE winds 10 to 15 kt, becoming S late. Seas 2 to 3 ft.
Wave Detail: SE 2 ft at 4 seconds and NW 1 foot at 6 seconds.
Intracoastal waters light chop. A slight chance of showers after
midnight.
.FRI...W winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 1 foot
at 4 seconds and W 1 foot at 4 seconds. Intracoastal waters light
chop.
.FRI NIGHT...NW winds around 5 kt, becoming NE after midnight. Seas
less than 2 ft or less, then around 2 ft after midnight. Wave
Detail: E 1 foot at 3 seconds and W 1 foot at 3 seconds, becoming NE
1 foot at 3 seconds and W 1 foot at 3 seconds. Intracoastal waters
light chop.
.SAT...NE winds 10 to 15 kt. Seas around 2 ft. Wave Detail: NE 2 ft
at 3 seconds. Intracoastal waters a moderate chop.
.SAT NIGHT AND SUN...NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave
Detail: NE 3 ft at 4 seconds. Intracoastal waters a moderate chop.
.SUN NIGHT...NE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft, occasionally to 8 ft. Wave Detail: NE 5 ft at 6 seconds and N
1 foot at 3 seconds. Intracoastal waters choppy in exposed areas.
.MON...NE winds 20 to 25 kt, increasing to 25 to 30 kt in the
afternoon. Seas 5 to 7 ft, occasionally to 9 ft, building to 6 to
9 ft, occasionally to 11 ft in the afternoon. Intracoastal waters
very rough in exposed areas.
.MON...NE winds 25 to 30 kt, becoming E 20 to 25 kt in the
afternoon. Seas 8 to 11 ft, occasionally to 14 ft. Intracoastal
waters very rough in exposed areas.
.TUE NIGHT...E winds 20 to 25 kt. Seas 6 to 9 ft, occasionally to
11 ft. Intracoastal waters rough in exposed areas.
$$
GMZ656-657-676-190900-
Coastal waters from Chokoloskee to Bonita Beach FL out 20 NM-
Coastal waters from East Cape Sable to Chokoloskee FL out 20 NM-
Waters from Chokoloskee to Bonita Beach FL from 20 to 60 NM-
311 PM EST Thu Dec 18 2025
.TONIGHT...S winds 5 to 10 kt, becoming SW late. Seas less than 2 ft
or less. Wave Detail: SE 1 foot at 3 seconds. Bay and inland waters
light chop.
.FRI...W winds 5 to 10 kt. Seas less than 2 ft or less. Wave Detail:
SW 1 foot at 4 seconds. Bay and inland waters light chop.
.FRI NIGHT...N winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NW
2 ft at 4 seconds. Bay and inland waters light chop.
.SAT...NE winds 10 to 15 kt, becoming N 5 to 10 kt in the afternoon.
Seas 2 to 3 ft. Wave Detail: NW 3 ft at 6 seconds and NE 1 foot at
2 seconds. Bay and inland waters light chop.
.SAT NIGHT THROUGH SUN NIGHT...NE winds 15 to 20 kt. Seas around
2 ft. Wave Detail: NE 2 ft at 3 seconds and NW 2 ft at 6 seconds.
Bay and inland waters a moderate chop.
.MON...NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 4 seconds. Bay
and inland waters a moderate chop.
.MON NIGHT...NE winds 15 to 20 kt. Seas 3 to 5 ft, occasionally to
6 ft. Bay and inland waters a moderate chop.
.TUE...NE winds 15 to 20 kt, becoming E 10 to 15 kt in the
afternoon, then becoming NE 15 to 20 kt. Seas 2 to 4 ft,
occasionally to 5 ft. Bay and inland waters a moderate chop.
$$
AMZ610-190900-
Lake Okeechobee-
311 PM EST Thu Dec 18 2025
.TONIGHT...S winds 5 to 10 kt, becoming SW late. Lake waters light
chop.
.FRI...SW winds 5 to 10 kt, becoming W in the afternoon. Lake waters
light chop.
.FRI NIGHT...N winds 5 to 10 kt. Lake waters light chop.
.SAT...NE winds 5 to 10 kt. Lake waters light chop.
.SAT NIGHT THROUGH SUN NIGHT...N winds 10 to 15 kt. Lake waters a
moderate chop.
.MON...NE winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Lake waters choppy.
.MON NIGHT...NE winds 15 to 20 kt. Lake waters choppy.
.TUE...NE winds 15 to 20 kt, diminishing to 5 to 10 kt. Lake waters
choppy.
$$
AMZ630-190900-
Biscayne Bay-
311 PM EST Thu Dec 18 2025
.TONIGHT...SE winds 5 to 10 kt, becoming S late. Light chop.
.FRI...SW winds around 5 kt. Smooth.
.FRI NIGHT...NW winds 5 to 10 kt. Light chop.
.SAT...NE winds 5 to 10 kt, becoming E in the afternoon. Light chop.
.SAT NIGHT THROUGH SUN NIGHT...NE winds 15 to 20 kt. Choppy.
.MON THROUGH TUE...E winds 25 to 30 kt. Very rough.
$$