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FZUS52 KMFL 200506
CWFMFL

Coastal Waters Forecast for Florida
National Weather Service Miami FL
105 AM EDT Wed Aug 20 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-GMZ606-201800-
105 AM EDT Wed Aug 20 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...

Hurricane Erin continues trekking to the northeast of the area which
will maintain westerly flow across local waters today. Northeasterly
swell from this system are expected to increase wave heights across
the Atl marine zones and the Gulf stream. Scattered showers and
thunderstorms may affect the local waters each day this week. Any
showers or thunderstorms are capable of producing brief periods of
rough seas and gusty winds.

Gulf Stream Hazards: None.

The approximate location of the west wall of the Gulf Stream as of
Aug 19, 2025.

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

This data courtesy of the Naval Oceanographic Office.

$$

AMZ650-670-201800-
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-
105 AM EDT Wed Aug 20 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH THURSDAY
EVENING...

.TODAY...NW winds 15 to 20 kt, diminishing to 10 to 15 kt with gusts
up to 20 kt this afternoon. Seas 3 to 4 ft, occasionally to 5 ft.
Wave Detail: NW 4 ft at 5 seconds and E 1 foot at 13 seconds.
Intracoastal waters a moderate chop. A chance of showers and tstms
this morning, then showers and tstms likely this afternoon.
.TONIGHT...NW winds 5 to 10 kt, becoming W after midnight. Seas 3 to
5 ft, occasionally to 6 ft. Wave Detail: NE 4 ft at 11 seconds and N
3 ft at 7 seconds. Intracoastal waters light chop. Showers and tstms
likely, mainly in the evening.
.THU...W winds around 10 kt, becoming SW in the afternoon. Seas 4 to
6 ft, occasionally to 8 ft. Wave Detail: NE 5 ft at 11 seconds and N
3 ft at 8 seconds. Intracoastal waters light chop. A chance of
showers. A chance of tstms in the afternoon.
.THU NIGHT...SW winds around 10 kt. Seas 4 to 6 ft, occasionally to
8 ft. Wave Detail: NE 5 ft at 11 seconds and N 3 ft at 8 seconds.
Intracoastal waters light chop. A chance of showers and tstms.
.FRI...W winds around 10 kt, becoming SW in the afternoon. Seas 4 to
6 ft, occasionally to 8 ft. Wave Detail: NE 4 ft at 11 seconds and
NW 3 ft at 10 seconds. Intracoastal waters light chop. A chance of
showers and tstms.
.FRI NIGHT...S winds around 10 kt, becoming SW after midnight. Seas
3 to 5 ft, occasionally to 6 ft. Wave Detail: NE 4 ft at 12 seconds
and NW 2 ft at 9 seconds. Intracoastal waters light chop. A chance
of showers and tstms.
.SAT THROUGH SUN...SW winds 5 to 10 kt. Seas 3 to 5 ft, occasionally
to 6 ft. Intracoastal waters light chop. A chance of showers and
tstms.

Winds and seas higher in and near tstms.

$$

AMZ651-671-201800-
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-
105 AM EDT Wed Aug 20 2025

.TODAY...W winds 10 to 15 kt. Seas 2 to 4 ft, occasionally to 5 ft.
Wave Detail: N 3 ft at 5 seconds. Intracoastal waters light chop. A
slight chance of showers and tstms this morning, then a chance of
showers and tstms this afternoon.
.TONIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: N 3 ft
at 7 seconds and W 2 ft at 3 seconds. Intracoastal waters light
chop. A chance of showers and tstms.
.THU...SW winds 10 to 15 kt. Seas 2 to 4 ft, occasionally to 5 ft.
Wave Detail: N 3 ft at 9 seconds and W 2 ft at 3 seconds.
Intracoastal waters light chop. A chance of showers and tstms.
.THU NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft, occasionally to
5 ft. Wave Detail: N 3 ft at 10 seconds and SW 2 ft at 4 seconds.
Intracoastal waters light chop. A chance of showers and tstms.
.FRI AND FRI NIGHT...W winds 5 to 10 kt. Seas 2 to 4 ft,
occasionally to 5 ft. Wave Detail: N 3 ft at 11 seconds and SW 2 ft
at 3 seconds. Intracoastal waters light chop. A chance of showers
and tstms.
.SAT THROUGH SUN...SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail:
N 2 ft at 12 seconds and E 1 foot at 3 seconds. Intracoastal waters
light chop. A chance of showers and tstms.

Winds and seas higher in and near tstms.

$$

GMZ656-657-676-201800-
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-
105 AM EDT Wed Aug 20 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...NW winds 5 to 10 kt with gusts up to 20 kt, increasing to
10 to 15 kt with gusts up to 20 kt late. Seas less than 2 ft or
less. Wave Detail: NW 1 foot at 3 seconds. Bay and inland waters a
moderate chop. A slight chance of showers and tstms early this
morning, then a chance of showers and tstms late this morning and
afternoon.
.TONIGHT...W winds 10 to 15 kt. Seas around 2 ft in the evening,
then 1 foot or less. Wave Detail: NW 1 foot at 3 seconds, becoming W
1 foot at 3 seconds. Bay and inland waters a moderate chop. A chance
of showers and tstms.
.THU...W winds around 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.
.THU NIGHT...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 AND FRI NIGHT...W winds 5 to 10 kt. Seas less than 2 ft or
less. Wave Detail: SW 1 foot at 3 seconds. Bay and inland waters
light chop. A chance of showers and tstms.
.SAT THROUGH SUN...W 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.

Winds and seas higher in and near tstms.

$$

AMZ610-201800-
Lake Okeechobee-
105 AM EDT Wed Aug 20 2025

.TODAY...NW winds around 10 kt. Lake waters light chop. A chance of
showers and tstms this afternoon.
.TONIGHT...NW winds 5 to 10 kt, becoming W after midnight. Lake
waters light chop. A chance of showers and tstms in the evening.
.THU...W winds 5 to 10 kt. Lake waters light chop. Showers and tstms
likely in the afternoon.
.THU NIGHT...SW winds 5 to 10 kt. Lake waters light chop. Showers
and tstms likely in the evening.
.FRI AND FRI NIGHT...W winds 5 to 10 kt. Lake waters light chop.
Showers and tstms likely.
.SAT THROUGH SUN...W winds 5 to 10 kt. Lake waters light chop.
Showers and tstms likely.

Winds and waves higher in and near tstms.

$$

AMZ630-201800-
Biscayne Bay-
105 AM EDT Wed Aug 20 2025

.TODAY...W winds around 10 kt. Light chop. A chance of showers and
tstms this afternoon.
.TONIGHT...W winds around 10 kt. Light chop. A chance of showers and
tstms.
.THU...SW winds around 10 kt. Light chop. A chance of showers and
tstms.
.THU NIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after
midnight. A moderate chop. A chance of showers and tstms in the
evening.
.FRI...W winds 5 to 10 kt, becoming SW in the afternoon. Light chop.
A chance of showers. A chance of tstms in the afternoon.
.FRI NIGHT...W winds 5 to 10 kt. Light chop. A chance of showers and
tstms in the evening.
.SAT THROUGH SUN...SW winds 5 to 10 kt. Light chop. A chance of
showers and tstms.

Winds and waves higher in and near tstms.

$$