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FZUS52 KMFL 212036
CWFMFL

Coastal Waters Forecast for Florida
National Weather Service Miami FL
436 PM EDT Thu Aug 21 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-GMZ606-220900-
436 PM EDT Thu Aug 21 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...

Increasing northeasterly swell from Hurricane Erin will result in
hazardous seas for the near and offshore Palm Beach waters through
late tonight. Scattered showers and thunderstorms may affect the
local waters each day through the weekend. Any showers or
thunderstorms are capable of producing brief periods of rough seas
and gusty winds.

Gulf Stream Hazards: Waves of 6-8 ft possible through late tonight
across the Palm Beach portion of the Gulf Stream.

The approximate location of the west wall of the Gulf Stream as of
Aug 21, 2025.

  1 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 northeast of Jupiter Inlet.

This data courtesy of the Naval Oceanographic Office.

$$

AMZ650-670-220900-
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-
436 PM EDT Thu Aug 21 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING...

.TONIGHT...SW winds around 10 kt. Seas 4 to 6 ft, occasionally to
8 ft. Wave Detail: NE 4 ft at 11 seconds and N 3 ft at 8 seconds.
Intracoastal waters light chop. A chance of showers and tstms.
.FRI...SW winds 5 to 10 kt. Seas 3 to 5 ft, occasionally to 6 ft.
Wave Detail: NE 4 ft at 11 seconds and NW 3 ft at 8 seconds.
Intracoastal waters light chop. A chance of showers. Tstms likely in
the afternoon.
.FRI NIGHT...SW winds 5 to 10 kt. Seas 3 to 5 ft, occasionally to
6 ft. Wave Detail: NE 4 ft at 11 seconds and NW 2 ft at 10 seconds.
Intracoastal waters light chop. A chance of showers and tstms.
.SAT...W winds 5 to 10 kt, becoming SW in the afternoon. Seas 3 to
5 ft, occasionally to 6 ft. Wave Detail: NE 4 ft at 12 seconds and
NW 2 ft at 10 seconds. Intracoastal waters light chop. A chance of
showers and tstms in the morning, then showers and tstms likely in
the afternoon.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 3 to 5 ft, occasionally to
6 ft. Wave Detail: NE 4 ft at 12 seconds and NW 2 ft at 11 seconds.
Intracoastal waters light chop. Showers and tstms likely, mainly in
the evening.
.SUN AND SUN NIGHT...SW winds around 10 kt. Seas 2 to 4 ft,
occasionally to 5 ft. Wave Detail: NE 3 ft at 12 seconds and SW 2 ft
at 3 seconds. Intracoastal waters light chop. Showers and tstms
likely.
.MON...SW winds 5 to 10 kt. Seas 2 to 4 ft, occasionally to 5 ft.
Intracoastal waters light chop. A chance of showers and tstms in the
morning, then showers and tstms likely through the night. A chance
of showers and tstms after midnight.
.TUE...W winds 5 to 10 kt, becoming S. Seas 2 to 3 ft. Intracoastal
waters light chop. A chance of showers and tstms.

Winds and seas higher in and near tstms.

$$

AMZ651-671-220900-
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-
436 PM EDT Thu Aug 21 2025

.TONIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft, occasionally to
5 ft. Wave Detail: N 3 ft at 9 seconds and SW 2 ft at 3 seconds.
Intracoastal waters light chop. A chance of showers and tstms early
this evening, then a slight chance of showers and tstms late this
evening and overnight.
.FRI...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at
3 seconds and N 2 ft at 7 seconds. Intracoastal waters light chop.
.FRI NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW
2 ft at 3 seconds and N 2 ft at 10 seconds. Intracoastal waters
light chop. A chance of showers and tstms.
.SAT...SW winds around 5 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at
3 seconds and N 2 ft at 11 seconds. Intracoastal waters smooth. A
chance of showers and tstms.
.SAT NIGHT THROUGH SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft.
Wave Detail: SW 2 ft at 3 seconds and N 2 ft at 12 seconds.
Intracoastal waters light chop. A chance of showers and tstms.
.MON THROUGH TUE...SE winds 5 to 10 kt. Seas around 2 ft. Wave
Detail: SW 2 ft at 3 seconds and N 1 foot at 12 seconds.
Intracoastal waters light chop. A chance of showers and tstms.

Winds and seas higher in and near tstms.

$$

GMZ656-657-676-220900-
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-
436 PM EDT Thu Aug 21 2025

.TONIGHT...SW winds 5 to 10 kt. Seas less than 2 ft or less. Wave
Detail: W 1 foot at 3 seconds. Bay and inland waters light chop. A
slight chance of showers and tstms until early morning, then a
chance of showers and tstms late.
.FRI...SW winds 5 to 10 kt. Seas less than 2 ft or less. Wave
Detail: W 1 foot at 3 seconds. Bay and inland waters light chop. A
chance of showers and tstms.
.FRI NIGHT...SW winds 5 to 10 kt. Seas less than 2 ft or less. Wave
Detail: W 1 foot at 4 seconds. Bay and inland waters light chop. A
chance of showers and tstms in the evening.
.SAT...SW 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. A
chance of showers and tstms.
.SAT NIGHT THROUGH SUN NIGHT...W winds 5 to 10 kt. Seas less than
2 ft or less. Wave Detail: W 1 foot at 4 seconds. Bay and inland
waters light chop. A chance of showers and tstms.
.MON THROUGH TUE...N winds 5 to 10 kt. Seas less than 2 ft or less.
Wave Detail: W 1 foot at 4 seconds. Bay and inland waters light
chop. A chance of showers and tstms.

Winds and seas higher in and near tstms.

$$

AMZ610-220900-
Lake Okeechobee-
436 PM EDT Thu Aug 21 2025

.TONIGHT...W winds 5 to 10 kt. Lake waters light chop. A chance of
showers and tstms early this evening.
.FRI...SW winds 5 to 10 kt. Lake waters light chop. Showers and
tstms likely in the afternoon.
.FRI NIGHT...SW winds around 5 kt. Lake waters smooth. Showers and
tstms likely in the evening.
.SAT...W winds 5 to 10 kt. Lake waters light chop. A chance of
showers in the morning, then showers and tstms likely in the
afternoon.
.SAT NIGHT THROUGH SUN NIGHT...SW winds 5 to 10 kt. Lake waters
light chop. Showers and tstms likely.
.MON THROUGH TUE...S winds 5 to 10 kt. Lake waters light chop.
Showers and tstms likely.

Winds and waves higher in and near tstms.

$$

AMZ630-220900-
Biscayne Bay-
436 PM EDT Thu Aug 21 2025

.TONIGHT...SW winds 5 to 10 kt. Light chop. A slight chance of
showers and tstms after midnight.
.FRI...SW winds 5 to 10 kt. Light chop. A chance of showers and
tstms in the afternoon.
.FRI NIGHT...W winds 5 to 10 kt. Light chop. A chance of showers and
tstms in the evening.
.SAT...SW winds 5 to 10 kt. Light chop. A chance of showers and
tstms.
.SAT NIGHT AND SUN...S winds 5 to 10 kt. Light chop. A chance of
showers and tstms.
.SUN NIGHT...SW winds 5 to 10 kt. Light chop. A chance of showers
and tstms in the evening.
.MON THROUGH TUE...SE winds 5 to 10 kt. Light chop. A chance of
showers and tstms.

Winds and waves higher in and near tstms.

$$