National Weather Service Marine Forecast FZUS52 KMFL

FZUS52 KMFL 270806
CWFMFL

Coastal Waters Forecast for Florida
National Weather Service Miami FL
406 AM EDT Sun Sep 27 2026

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-GMZ606-272100
406 AM EDT Sun Sep 27 2026

.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...

Light to moderate northerly winds continue today, gradually weakening as surface high builds over the western Atlantic. As a result, Atlantic seas will remain elevated today, with a northeasterly swell prevailing. A Small Craft Advisory remains in effect through this morning for the coastal and offshore Palm Beach waters. Isolated showers and thunderstorms will continue to develop at times each day, which may result in locally hazardous winds and seas.

Gulf Stream Hazards: Seas of 6-8 feet.

The approximate location of the west wall of the Gulf Stream as of Sep 25, 2026.

1 nautical miles north northeast of Fowey Rocks. 7 nautical miles east of Port Everglades. 6 nautical miles south southeast of Lake Worth. 6 nautical miles east northeast of Jupiter Inlet.

This data courtesy of the Naval Oceanographic Office.

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AMZ650-670-272100
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
406 AM EDT Sun Sep 27 2026

SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING

TODAY
N winds 5 to 10 kt. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: NE 5 ft at 13 seconds and N 3 ft at 7 seconds. Intracoastal waters light chop.

TONIGHT
NE winds around 5 kt in the evening, becoming light and variable. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: NE 4 ft at 12 seconds and W 1 foot at 4 seconds. Intracoastal waters smooth.

MON
S winds around 5 kt. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: NE 3 ft at 11 seconds and NW 1 foot at 5 seconds. Intracoastal waters smooth.

MON NIGHT
S winds around 5 kt. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 10 seconds and W 1 foot at 4 seconds. Intracoastal waters smooth.

TUE
S winds around 5 kt. Seas around 2 ft. Wave Detail: NE 2 ft at 10 seconds and SW 1 foot at 3 seconds. Intracoastal waters smooth. A chance of showers and tstms in the afternoon.

TUE NIGHT
SE winds around 5 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 3 seconds and N 1 foot at 7 seconds. Intracoastal waters smooth. A chance of tstms. A chance of showers in the evening, then showers likely after midnight.

WED
E winds 5 to 10 kt. Seas less than 2 ft or less, then around 2 ft in the afternoon. Intracoastal waters light chop. Showers likely with a chance of tstms.

WED NIGHT
E winds 10 to 15 kt. Seas 2 to 3 ft. Intracoastal waters a moderate chop. Showers likely with a chance of tstms.

THU
E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft, occasionally to 5 ft. Intracoastal waters a moderate chop. Showers with a chance of tstms.

THU NIGHT
E winds 15 to 20 kt. Seas 3 to 4 ft, occasionally to 5 ft. Intracoastal waters choppy in exposed areas. Showers likely with a chance of tstms.

Winds and seas higher in and near tstms.

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AMZ651-671-272100
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
406 AM EDT Sun Sep 27 2026

TODAY
N winds 5 to 10 kt. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: N 3 ft at 12 seconds and SW 1 foot at 4 seconds. Intracoastal waters light chop. A chance of showers this morning. A slight chance of tstms. A slight chance of showers this afternoon.

TONIGHT
E winds around 5 kt, becoming S after midnight. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: SE 2 ft at 3 seconds and N 2 ft at 12 seconds. Intracoastal waters smooth.

MON
SW winds around 5 kt. Seas 2 to 3 ft. Wave Detail: N 2 ft at 12 seconds and SW 1 foot at 3 seconds. Intracoastal waters smooth.

MON NIGHT
S winds around 5 kt. Seas around 2 ft. Wave Detail: SE 1 foot at 2 seconds and SW 1 foot at 3 seconds. Intracoastal waters smooth. A chance of showers after midnight.

TUE
S winds around 5 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 3 seconds and N 1 foot at 10 seconds. Intracoastal waters smooth. A chance of showers and tstms.

TUE NIGHT
SE winds 5 to 10 kt. Seas around 2 ft in the evening, then 1 foot or less. Wave Detail: SE 1 foot at 2 seconds and N 1 foot at 9 seconds. Intracoastal waters light chop. A chance of showers and tstms in the evening, then showers and tstms likely after midnight.

WED
E winds 5 to 10 kt. Seas around 2 ft. Intracoastal waters light chop. Showers likely with a chance of tstms.

WED NIGHT
E winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas 2 to 4 ft, occasionally to 5 ft. Intracoastal waters choppy in exposed areas. A chance of tstms. Showers.

THU
E winds 15 to 20 kt. Seas 3 to 5 ft, occasionally to 6 ft. Intracoastal waters choppy in exposed areas. Showers with a chance of tstms.

THU NIGHT
E winds 15 to 20 kt. Seas 3 to 4 ft, occasionally to 5 ft. Intracoastal waters choppy in exposed areas. Showers with a chance of tstms until early morning, then a chance of showers late.

Winds and seas higher in and near tstms.

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GMZ656-657-676-272100
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
406 AM EDT Sun Sep 27 2026

TODAY
N winds 5 to 10 kt. Seas less than 2 ft or less. Wave Detail: NW 1 foot at 4 seconds. Bay and inland waters light chop.

TONIGHT
NW winds 5 to 10 kt, becoming N after midnight. Seas less than 2 ft or less. Wave Detail: NW 1 foot at 4 seconds. Bay and inland waters light chop.

MON
NE winds around 5 kt, becoming S in the afternoon. Seas less than 2 ft or less. Bay and inland waters smooth.

MON NIGHT
S winds around 5 kt. Seas less than 2 ft or less. Bay and inland waters smooth. A chance of showers after midnight. A chance of showers and tstms late.

TUE
SE winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Seas less than 2 ft or less. Wave Detail: SE 1 foot at 2 seconds. Bay and inland waters light chop. A chance of tstms. Showers.

TUE NIGHT
SE winds 5 to 10 kt. Seas less than 2 ft or less. Wave Detail: SE 1 foot at 2 seconds. Bay and inland waters light chop. A chance of tstms. Showers.

WED
SE winds 5 to 10 kt. Seas less than 2 ft or less. Bay and inland waters light chop. Showers. A chance of tstms until late afternoon, then tstms likely late.

WED NIGHT
E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Bay and inland waters light chop. Showers likely with a chance of tstms.

THU
E winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft, occasionally to 5 ft. Bay and inland waters a moderate chop. A chance of tstms. Showers.

THU NIGHT
E winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft, occasionally to 5 ft. Bay and inland waters a moderate chop. Showers with a chance of tstms until early morning, then a chance of showers late.

Winds and seas higher in and near tstms.

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AMZ610-272100
Lake Okeechobee
406 AM EDT Sun Sep 27 2026

TODAY
N winds 5 to 10 kt, becoming NW this afternoon. Lake waters light chop.

TONIGHT
NE winds around 5 kt, becoming SE after midnight. Lake waters smooth.

MON
S winds around 5 kt. Lake waters smooth.

MON NIGHT
SE winds around 5 kt. Lake waters smooth.

TUE
SE winds around 5 kt. Lake waters smooth. A chance of showers and tstms in the afternoon.

TUE NIGHT
SE winds around 5 kt. Lake waters smooth. A chance of showers and tstms early in the evening.

WED
E winds around 5 kt, increasing to 5 to 10 kt in the afternoon. Lake waters light chop. A chance of showers in the morning. A chance of tstms late in the morning, then showers and tstms likely in the afternoon.

WED NIGHT
E winds 5 to 10 kt. Lake waters light chop. Showers and tstms likely early in the evening.

THU
E winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Lake waters a moderate chop. A chance of showers and tstms in the morning, then showers and tstms likely in the afternoon.

THU NIGHT
E winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Lake waters a moderate chop. Showers and tstms likely early in the evening.

Winds and waves higher in and near tstms.

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AMZ630-272100
Biscayne Bay
406 AM EDT Sun Sep 27 2026

TODAY
N winds 5 to 10 kt, becoming E this afternoon. Light chop.

TONIGHT
S winds around 5 kt, becoming W after midnight. Smooth.

MON
W winds around 5 kt, becoming S in the afternoon. Smooth.

MON NIGHT
SW winds around 5 kt. Smooth.

TUE
NW winds around 5 kt, becoming SE around 5 kt in the afternoon. Smooth. Showers likely with a chance of tstms.

TUE NIGHT
SE winds around 5 kt. Smooth. A chance of tstms.

WED
E winds 5 to 10 kt. Light chop. Showers with a chance of tstms in the morning, then showers with tstms likely in the afternoon.

WED NIGHT
E winds 10 to 15 kt. A moderate chop. Showers likely. Tstms likely early in the evening, then a chance of tstms in the late evening and overnight.

THU
E winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Choppy. A chance of tstms. Showers.

THU NIGHT
E winds 15 to 20 kt. Choppy. Showers likely with a chance of tstms until early morning, then a chance of showers late.

Winds and waves higher in and near tstms.