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National Weather Service Marine Forecast FZUS52 KMFL

FZUS52 KMFL 202026
CWFMFL

Coastal Waters Forecast for Florida
National Weather Service Miami FL
326 PM EST Tue Jan 20 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-GMZ606-210900
326 PM EST Tue Jan 20 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...

Hazardous marine conditions will continue across the Atlantic and Gulf waters today and tonight as fresh to strong northerly winds shift and become northeasterly throughout the day. While winds will slowly diminish on Wednesday across the Gulf waters, fresh to strong northeasterly winds will remain in place across the Atlantic waters with elevated seas.

Gulf Stream Hazards: Northeast winds of 25 to 30 kts today through Wednesday with seas building and ranging between 8 to 11 feet.

The approximate location of the west wall of the Gulf Stream as of Jan 15, 2026.

22 nautical miles north northeast of Fowey Rocks. 7 nautical miles east of Port Everglades. 9 nautical miles east of Lake Worth. 11 nautical miles east northeast of Jupiter Inlet.

This data courtesy of the Naval Oceanographic Office.

AMZ650-670-210900
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
326 PM EST Tue Jan 20 2026

SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING

TONIGHT
NE winds 25 to 30 kt. Seas 6 to 9 ft, occasionally to 11 ft. Wave Detail: NE 9 ft at 7 seconds. Intracoastal waters very rough in exposed areas.

WED
E winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to 9 ft, occasionally to 11 ft. Wave Detail: E 8 ft at 7 seconds. Intracoastal waters rough in exposed areas.

WED NIGHT
E winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 ft, occasionally to 9 ft. Wave Detail: E 6 ft at 7 seconds. Intracoastal waters choppy in exposed areas. A chance of showers.

THU
NE winds around 15 kt. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: N 4 ft at 6 seconds. Intracoastal waters a moderate chop. A chance of showers.

THU NIGHT
E winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: N 4 ft at 6 seconds. Intracoastal waters choppy in exposed areas. A chance of showers in the evening.

FRI AND FRI NIGHT
E winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 5 seconds and N 2 ft at 6 seconds. Intracoastal waters a moderate chop.

SAT
E winds 10 to 15 kt, becoming SE after midnight. Seas 2 to 3 ft. Intracoastal waters a moderate chop.

SUN
S winds 10 to 15 kt, becoming W after midnight. Seas 3 to 5 ft, occasionally to 6 ft. Intracoastal waters light chop.

AMZ651-671-210900
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
326 PM EST Tue Jan 20 2026

SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING

TONIGHT
NE winds 25 to 30 kt. Seas 7 to 10 ft, occasionally to 13 ft. Wave Detail: NE 9 ft at 8 seconds. Intracoastal waters very rough in exposed areas.

WED
NE winds 20 to 25 kt with gusts up to 30 kt. Seas 7 to 10 ft, occasionally to 13 ft. Wave Detail: NE 9 ft at 8 seconds. Intracoastal waters rough in exposed areas.

WED NIGHT
NE winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 8 ft, occasionally to 10 ft, subsiding to 4 to 6 ft, occasionally to 8 ft after midnight. Wave Detail: NE 7 ft at 7 seconds, becoming NE 6 ft at 7 seconds. Intracoastal waters choppy in exposed areas. A chance of showers.

THU
NE winds 10 to 15 kt. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: NE 5 ft at 6 seconds. Intracoastal waters a moderate chop. A chance of showers.

THU NIGHT AND FRI
E winds 10 to 15 kt. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: NE 3 ft at 5 seconds. Intracoastal waters a moderate chop.

FRI NIGHT
E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft at 5 seconds. Intracoastal waters light chop.

SAT THROUGH SUN
SW winds 10 to 15 kt. Seas 2 to 3 ft. Intracoastal waters light chop.

GMZ656-657-676-210900
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
326 PM EST Tue Jan 20 2026

SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING

TONIGHT
NE winds 20 to 25 kt. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: N 5 ft at 5 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: NE 4 ft at 4 seconds. Bay and inland waters a moderate chop.

WED NIGHT
NE winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: NE 2 ft at 3 seconds. Bay and inland waters light chop.

THU
NE winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas around 2 ft. Wave Detail: NE 2 ft at 3 seconds. Bay and inland waters light chop.

THU NIGHT AND FRI
E winds 5 to 10 kt. Seas less than 2 ft or less. Wave Detail: NE 1 foot at 2 seconds. Bay and inland waters light chop.

FRI NIGHT
NE winds 5 to 10 kt. Seas less than 2 ft or less. Bay and inland waters light chop.

SAT THROUGH SUN
W winds 10 to 15 kt. Seas less than 2 ft or less. Bay and inland waters a moderate chop.

AMZ610-210900
Lake Okeechobee
326 PM EST Tue Jan 20 2026

SMALL CRAFT SHOULD EXERCISE CAUTION

TONIGHT
NE winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Lake waters choppy.

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

WED NIGHT
NE winds 5 to 10 kt. Lake waters light chop.

THU
NE winds 5 to 10 kt. Lake waters light chop.

THU NIGHT
NE winds 5 to 10 kt. Lake waters light chop.

FRI AND FRI NIGHT
E winds around 5 kt. Lake waters smooth.

SAT THROUGH SUN
W winds 5 to 10 kt. Lake waters light chop.

AMZ630-210900
Biscayne Bay
326 PM EST Tue Jan 20 2026

SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON

TONIGHT
NE winds 20 to 25 kt with gusts up to 30 kt. Rough.

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

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

THU
NE winds around 10 kt. Light chop. A chance of showers in the afternoon.

THU NIGHT THROUGH FRI NIGHT
E winds 5 to 10 kt. Light chop.

SAT THROUGH SUN
W winds 5 to 10 kt. Light chop.