National Weather Service Marine Forecast FZUS52 KMFL

FZUS52 KMFL 190746
CWFMFL

Coastal Waters Forecast for Florida
National Weather Service Miami FL
346 AM EDT Mon Oct 19 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-GMZ606-192000
346 AM EDT Mon Oct 19 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...

Strong northeasterly winds will prevail across all local waters through the early week period, with gusts just below gale-force expected over the Atlantic today. Atlantic seas will remain 10-14 ft, with Gulf seas peaking around 6-8 ft. Elevated seas continue tomorrow with the Atlantic at 8-11 feet and the Gulf at 5-7 feet. Small Craft Advisories thus remain in effect for all local waters through the early week period. Scattered showers and isolated thunderstorms are possible mainly over the Atlantic through the period as well.

Gulf Stream Hazards: Sustained winds of 20-30 kts and seas of 10-14 ft through the early portion of the week.

The approximate location of the west wall of the Gulf Stream as of Oct 14, 2026.

9 nautical miles southeast of Fowey Rocks. 10 nautical miles northeast of Port Everglades. 3 nautical miles east northeast of Lake Worth. 6 nautical miles east southeast of Jupiter Inlet.

This data courtesy of the Naval Oceanographic Office.

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AMZ650-670-192000
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
346 AM EDT Mon Oct 19 2026

SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING

TODAY
NE winds 20 to 25 kt with gusts up to 30 kt. Seas 9 to 12 ft, occasionally to 15 ft. Wave Detail: NE 10 ft at 11 seconds and N 6 ft at 9 seconds. Intracoastal waters rough in exposed areas. A slight chance of showers late.

TONIGHT
NE winds 20 to 25 kt with gusts up to 30 kt. Seas 8 to 11 ft, occasionally to 14 ft. Wave Detail: NE 10 ft at 11 seconds and N 5 ft at 8 seconds. Intracoastal waters rough in exposed areas. A chance of showers in the evening.

TUE
NE winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Seas 7 to 10 ft, occasionally to 13 ft. Wave Detail: NE 9 ft at 12 seconds. Intracoastal waters a moderate chop.

TUE NIGHT
NE winds 15 to 20 kt with gusts up to 25 kt. Seas 6 to 9 ft, occasionally to 11 ft. Wave Detail: NE 8 ft at 12 seconds. Intracoastal waters a moderate chop.

WED
NE winds 10 to 15 kt. Seas 5 to 8 ft, occasionally to 10 ft. Wave Detail: NE 7 ft at 12 seconds and N 3 ft at 7 seconds. Intracoastal waters light chop.

WED NIGHT
NE winds 10 to 15 kt. Seas 4 to 6 ft, occasionally to 8 ft. Wave Detail: NE 6 ft at 11 seconds and NW 3 ft at 7 seconds. Intracoastal waters a moderate chop. A chance of showers.

THU
NE winds 10 to 15 kt. Seas 5 to 7 ft, occasionally to 9 ft. Intracoastal waters a moderate chop. Showers likely. A chance of tstms in the afternoon.

THU NIGHT
NE winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 5 to 7 ft, occasionally to 9 ft. Intracoastal waters choppy in exposed areas. Showers likely with a chance of tstms.

FRI
NE winds 15 to 20 kt. Seas 5 to 7 ft, occasionally to 9 ft. Intracoastal waters choppy in exposed areas. A chance of tstms. Showers.

FRI NIGHT
NE winds 20 to 25 kt. Seas 6 to 9 ft, occasionally to 11 ft. Intracoastal waters rough in exposed areas. Showers with a chance of tstms early in the evening, then showers in the late evening and overnight.

Winds and seas higher in and near tstms.

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AMZ651-671-192000
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
346 AM EDT Mon Oct 19 2026

SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING

TODAY
NE winds 20 to 25 kt with gusts up to 30 kt. Seas 8 to 11 ft, occasionally to 14 ft. Wave Detail: NE 11 ft at 10 seconds. Intracoastal waters rough in exposed areas. A chance of showers with a slight chance of tstms early this morning, then a slight chance of showers late this morning.

TONIGHT
NE winds 20 to 25 kt. Seas 7 to 10 ft, occasionally to 13 ft. Wave Detail: NE 10 ft at 10 seconds. Intracoastal waters rough in exposed areas.

TUE
NE winds 20 to 25 kt. Seas 7 to 10 ft, occasionally to 13 ft. Wave Detail: NE 10 ft at 9 seconds. Intracoastal waters rough in exposed areas.

TUE NIGHT
NE winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 8 ft, occasionally to 10 ft. Wave Detail: N 8 ft at 8 seconds and NW 3 ft at 9 seconds. Intracoastal waters choppy in exposed areas.

WED
NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 5 to 7 ft, occasionally to 9 ft. Wave Detail: NE 6 ft at 11 seconds and N 3 ft at 4 seconds. Intracoastal waters choppy in exposed areas.

WED NIGHT
NE winds 10 to 15 kt. Seas 4 to 6 ft, occasionally to 8 ft. Wave Detail: NE 5 ft at 11 seconds and N 4 ft at 9 seconds. Intracoastal waters a moderate chop.

THU
NE winds 10 to 15 kt. Seas 4 to 6 ft, occasionally to 8 ft. Intracoastal waters a moderate chop. A chance of showers.

THU NIGHT
NE winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 4 to 6 ft, occasionally to 8 ft. Intracoastal waters choppy in exposed areas. Showers likely with a chance of tstms.

FRI
NE winds 15 to 20 kt. Seas 4 to 6 ft, occasionally to 8 ft. Intracoastal waters choppy in exposed areas. Showers likely with a chance of tstms.

FRI NIGHT
NE winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Seas 5 to 8 ft, occasionally to 10 ft. Intracoastal waters rough in exposed areas. A chance of tstms early in the evening. Showers.

Winds and seas higher in and near tstms.

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GMZ656-657-676-192000
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
346 AM EDT Mon Oct 19 2026

SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING

TODAY
NE winds 20 to 25 kt, diminishing to 15 to 20 kt this afternoon. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: N 5 ft at 5 seconds. Bay and inland waters a moderate chop.

TONIGHT
NE winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to 6 ft, occasionally to 8 ft. Wave Detail: N 6 ft at 5 seconds. Bay and inland waters a moderate chop.

TUE
NE winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: NE 5 ft at 5 seconds. Bay and inland waters a moderate chop.

TUE NIGHT
NE winds 20 to 25 kt, diminishing to 15 to 20 kt after midnight. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: NE 4 ft at 4 seconds. Bay and inland waters a moderate chop.

WED
NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: N 3 ft at 4 seconds. Bay and inland waters a moderate chop.

WED NIGHT
NE winds 15 to 20 kt. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: N 3 ft at 4 seconds. Bay and inland waters a moderate chop.

THU
NE winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 2 to 4 ft, occasionally to 5 ft. Bay and inland waters a moderate chop.

THU NIGHT
NE 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.

FRI
NE 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 showers in the afternoon.

FRI NIGHT
NE winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft, occasionally to 6 ft. Bay and inland waters a moderate chop. A chance of showers early in the evening.

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AMZ610-192000
Lake Okeechobee
346 AM EDT Mon Oct 19 2026

SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING

TODAY
NE winds 10 to 15 kt with gusts up to 20 kt, increasing to 15 to 20 kt with gusts up to 30 kt this afternoon. Lake waters choppy. A slight chance of showers early this afternoon.

TONIGHT
NE winds 20 to 25 kt, becoming N 15 to 20 kt after midnight. Lake waters rough.

TUE
N winds 10 to 15 kt with gusts up to 25 kt. Lake waters a moderate chop.

TUE NIGHT
NE winds 15 to 20 kt, becoming N 10 to 15 kt after midnight. Lake waters choppy.

WED
N winds 10 to 15 kt. Lake waters a moderate chop.

WED NIGHT
N winds 10 to 15 kt with gusts up to 20 kt. Lake waters a moderate chop.

THU
N winds 10 to 15 kt with gusts up to 25 kt. Lake waters a moderate chop.

THU NIGHT
NE winds 15 to 20 kt, becoming N 10 to 15 kt after midnight. Lake waters choppy.

FRI
N winds 10 to 15 kt, becoming NE 15 to 20 kt with gusts up to 30 kt in the afternoon. Lake waters choppy.

FRI NIGHT
NE winds 15 to 20 kt. Gusts up to 30 kt. Lake waters choppy.

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AMZ630-192000
Biscayne Bay
346 AM EDT Mon Oct 19 2026

SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING

TODAY
NE winds 20 to 25 kt. Rough.

TONIGHT
NE winds 20 to 25 kt. Rough. A chance of showers late.

TUE
NE winds 20 to 25 kt, diminishing to 15 to 20 kt in the afternoon. Rough.

TUE NIGHT
NE winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Choppy.

WED
NE winds 10 to 15 kt with gusts up to 20 kt. A moderate chop.

WED NIGHT
NE winds 10 to 15 kt. A moderate chop.

THU
NE winds 10 to 15 kt. A moderate chop. A chance of showers in the afternoon.

THU NIGHT
NE winds 10 to 15 kt. A moderate chop. A chance of showers and tstms.

FRI
NE winds 10 to 15 kt, increasing to 15 to 20 kt with gusts up to 25 kt in the afternoon. Choppy. A chance of tstms. A chance of showers in the morning, then showers likely in the afternoon.

FRI NIGHT
NE winds 15 to 20 kt with gusts up to 25 kt. Choppy. A chance of tstms early in the evening. Showers likely until early morning, then a chance of showers late.

Winds and waves higher in and near tstms.