National Weather Service Marine Forecast FZUS52 KMFL

FZUS52 KMFL 180751
CWFMFL

Coastal Waters Forecast for Florida
National Weather Service Miami FL
351 AM EDT Sat Jul 18 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-GMZ606-182000
351 AM EDT Sat Jul 18 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...

A moderate south to southeasterly flow will be present across the local waters this weekend. Scattered showers and thunderstorms will remain possible across all local waters through the upcoming weekend with locally hazardous winds and seas possible in and around showers or storms.

Gulf Stream Hazards: None.

The approximate location of the west wall of the Gulf Stream as of Jul 17, 2026.

16 nautical miles north northeast of Fowey Rocks. 7 nautical miles east 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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AMZ650-670-182000
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
351 AM EDT Sat Jul 18 2026

TODAY
S winds 5 to 10 kt, increasing to 10 to 15 kt this afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds and N 1 foot at 6 seconds. Intracoastal waters light chop. A slight chance of showers and tstms until late afternoon.

TONIGHT
SE winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 4 seconds. Intracoastal waters light chop.

SUN
S winds 10 to 15 kt. Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds. Intracoastal waters light chop.

SUN NIGHT
S winds 10 to 15 kt. Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds. Intracoastal waters light chop.

MON
S winds 10 to 15 kt. Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds. Intracoastal waters light chop.

MON NIGHT
S winds 10 to 15 kt. Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds. Intracoastal waters light chop.

TUE
S winds 10 to 15 kt. Seas around 2 ft. Intracoastal waters light chop.

TUE NIGHT
SE winds 10 to 15 kt. Seas around 2 ft. Intracoastal waters light chop.

WED
SE winds 5 to 10 kt. Seas around 2 ft in the morning, then 1 foot or less. Intracoastal waters light chop.

WED NIGHT
SE winds 5 to 10 kt. Seas less than 2 ft or less. Intracoastal waters light chop.

Winds and seas higher in and near tstms.

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AMZ651-671-182000
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
351 AM EDT Sat Jul 18 2026

TODAY
SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 3 seconds. Intracoastal waters light chop. A slight chance of showers and tstms until late afternoon.

TONIGHT
SE winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Seas around 2 ft. Wave Detail: SE 2 ft at 4 seconds. Intracoastal waters light chop.

SUN
S winds 10 to 15 kt. Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds. Intracoastal waters light chop.

SUN NIGHT
S winds 10 to 15 kt. Seas around 2 ft in the evening, then 1 foot or less. Wave Detail: S 1 foot at 4 seconds. Intracoastal waters light chop.

MON
S winds 10 to 15 kt. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds. Intracoastal waters light chop.

MON NIGHT
SE winds 10 to 15 kt. Seas around 2 ft. Wave Detail: S 1 foot at 4 seconds. Intracoastal waters a moderate chop.

TUE
SE winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas around 2 ft. Intracoastal waters a moderate chop.

TUE NIGHT
SE winds 5 to 10 kt. Seas less than 2 ft or less. Intracoastal waters light chop.

WED
SE winds 5 to 10 kt. Seas around 2 ft in the morning, then 1 foot or less. Intracoastal waters light chop.

WED NIGHT
SE winds 5 to 10 kt. Seas less than 2 ft or less. Intracoastal waters light chop.

Winds and seas higher in and near tstms.

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GMZ656-657-676-182000
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
351 AM EDT Sat Jul 18 2026

SMALL CRAFT SHOULD EXERCISE CAUTION

TODAY
S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt this afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds and NW 2 ft at 5 seconds. Bay and inland waters light chop. A chance of tstms. Showers likely early this morning, then a chance of showers late this morning and afternoon.

TONIGHT
S winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds and NW 1 foot at 5 seconds. Bay and inland waters light chop. A chance of tstms in the evening. A chance of showers.

SUN
S winds 10 to 15 kt. Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds and NW 1 foot at 4 seconds. Bay and inland waters light chop. A chance of showers. A chance of tstms in the late morning and afternoon.

SUN NIGHT
S winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds. Bay and inland waters light chop. A chance of showers in the late evening and overnight.

MON
S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds. Bay and inland waters light chop. A chance of showers and tstms until late afternoon.

MON NIGHT
S winds 5 to 10 kt. Seas around 2 ft in the evening, then 1 foot or less. Wave Detail: SW 1 foot at 4 seconds. Bay and inland waters light chop.

TUE
S winds 5 to 10 kt. Seas around 2 ft. Bay and inland waters light chop.

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

WED
S winds 5 to 10 kt. Seas less than 2 ft or less. Bay and inland waters light chop.

WED NIGHT
SW winds 5 to 10 kt, becoming SE after midnight. Seas less than 2 ft or less. Bay and inland waters light chop.

Winds and seas higher in and near tstms.

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AMZ610-182000
Lake Okeechobee
351 AM EDT Sat Jul 18 2026

TODAY
S winds 5 to 10 kt. Lake waters light chop. Patchy smoke. A chance of showers and tstms early this afternoon. Showers and tstms likely late.

TONIGHT
S winds 5 to 10 kt. Lake waters light chop. Showers and tstms likely early in the evening. Patchy smoke early in the evening.

SUN
S winds 5 to 10 kt. Lake waters light chop. A chance of showers and tstms late.

SUN NIGHT
S winds 5 to 10 kt. Lake waters light chop. A chance of showers and tstms early in the evening.

MON
S winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Lake waters a moderate chop. A chance of showers and tstms in the afternoon.

MON NIGHT
S winds 5 to 10 kt. Lake waters light chop. A chance of showers and tstms early in the evening.

TUE
S winds 5 to 10 kt. Lake waters light chop.

TUE NIGHT
S winds 5 to 10 kt. Lake waters light chop.

WED
S winds around 5 kt. Lake waters smooth.

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

Winds and waves higher in and near tstms.

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AMZ630-182000
Biscayne Bay
351 AM EDT Sat Jul 18 2026

TODAY
SE winds 5 to 10 kt. Light chop. A slight chance of showers and tstms until late afternoon.

TONIGHT
SE winds 5 to 10 kt, increasing to 10 to 15 kt after midnight. A moderate chop.

SUN
S winds 10 to 15 kt. A moderate chop.

SUN NIGHT
S winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. A moderate chop.

MON
S winds 10 to 15 kt. A moderate chop.

MON NIGHT
S winds 10 to 15 kt, becoming SE 5 to 10 kt after midnight. A moderate chop.

TUE
SE winds around 10 kt. Light chop.

TUE NIGHT
SE winds 5 to 10 kt. Light chop.

WED
SE winds 5 to 10 kt. Light chop.

WED NIGHT
SE winds 5 to 10 kt. Light chop.

Winds and waves higher in and near tstms.