464
FZUS52 KMFL 182001
CWFMFL

Coastal Waters Forecast for Florida
National Weather Service Miami FL
401 PM EDT Tue Aug 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-GMZ606-190900-
401 PM EDT Tue Aug 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...

Moderate westerly winds continue across the Gulf waters through
Wednesday, becoming gentle towards the end of the week. For the
Atlantic waters, moderate west northwest winds tonight into
Wednesday morning will gradually become southerly as the day
progresses. Gentle to moderate south to southwesterly wind flow will
then remain in place across the Atlantic waters through the rest of
the week. Isolated showers and thunderstorms are possible each
morning across the Gulf waters, increasing in coverage in the
seabreeze zones each evening.

Gulf Stream Hazards: None

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

 57 nautical miles north northeast of Fowey Rocks.
 25 nautical miles northeast of Port Everglades.
  9 nautical miles north northeast of Lake Worth.
  6 nautical miles east northeast of Jupiter Inlet.

This data courtesy of the Naval Oceanographic Office.

$$

AMZ650-670-190900-
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-
401 PM EDT Tue Aug 18 2026

.TONIGHT...SW winds 5 to 10 kt. Seas less than 2 ft or less, then
around 2 ft after midnight. Wave Detail: SW 1 foot at 3 seconds and
N 1 foot at 5 seconds. Intracoastal waters light chop.
.WED...NW winds 5 to 10 kt, becoming E in the afternoon. Seas around
2 ft. Wave Detail: N 2 ft at 5 seconds. Intracoastal waters light
chop. A chance of showers and tstms late.
.WED NIGHT...S winds around 5 kt. Seas around 2 ft. Wave Detail: N
1 foot at 5 seconds. Intracoastal waters smooth.
.THU...S winds 5 to 10 kt. Seas less than 2 ft or less. Wave Detail:
SW 1 foot at 5 seconds. Intracoastal waters light chop. A chance of
showers and tstms in the afternoon.
.THU NIGHT...S winds 5 to 10 kt. Seas less than 2 ft or less. Wave
Detail: S 1 foot at 4 seconds. Intracoastal waters light chop.
.FRI...S winds 5 to 10 kt. Seas less than 2 ft or less. Wave Detail:
S 1 foot at 4 seconds. Intracoastal waters light chop. A chance of
showers and tstms late.
.FRI NIGHT...S winds 5 to 10 kt. Seas less than 2 ft or less.
Intracoastal waters light chop.
.SAT...S winds 5 to 10 kt. Seas less than 2 ft or less. Intracoastal
waters light chop.
.SAT NIGHT...S winds 10 to 15 kt. Seas less than 2 ft or less.
Intracoastal waters light chop.
.SUN...S winds 5 to 10 kt. Seas less than 2 ft or less. Intracoastal
waters light chop.
.SUN NIGHT...S winds 5 to 10 kt. Seas less than 2 ft or less.
Intracoastal waters light chop.

Winds and seas higher in and near tstms.

$$

AMZ651-671-190900-
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-
401 PM EDT Tue Aug 18 2026

.TONIGHT...SW winds 5 to 10 kt. Seas less than 2 ft or less. Wave
Detail: SW 1 foot at 2 seconds. Intracoastal waters light chop.
.WED...NW winds 5 to 10 kt, becoming NE in the afternoon. Seas
around 2 ft. Wave Detail: NW 1 foot at 3 seconds. Intracoastal
waters light chop.
.WED NIGHT...SW winds 5 to 10 kt. Seas less than 2 ft or less. Wave
Detail: SW 1 foot at 2 seconds and N 1 foot at 5 seconds.
Intracoastal waters light chop.
.THU...SW winds 5 to 10 kt. Seas less than 2 ft or less. Wave
Detail: SW 1 foot at 3 seconds. Intracoastal waters light chop. A
chance of showers and tstms late.
.THU NIGHT...S winds 5 to 10 kt. Seas less than 2 ft or less. Wave
Detail: S 1 foot at 2 seconds and N 1 foot at 5 seconds.
Intracoastal waters light chop.
.FRI...S winds 5 to 10 kt. Seas less than 2 ft or less. Wave Detail:
S 1 foot at 3 seconds. Intracoastal waters light chop.
.FRI NIGHT...SE winds 5 to 10 kt. Seas less than 2 ft or less.
Intracoastal waters light chop.
.SAT...S winds 5 to 10 kt. Seas less than 2 ft or less. Intracoastal
waters light chop.
.SAT NIGHT...SE winds 5 to 10 kt. Seas less than 2 ft or less.
Intracoastal waters light chop. A chance of showers and tstms late.
.SUN...S winds 5 to 10 kt. Seas less than 2 ft or less. Intracoastal
waters light chop. A chance of showers and tstms until late
afternoon.
.SUN 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.

$$

GMZ656-657-676-190900-
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-
401 PM EDT Tue Aug 18 2026

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt, diminishing
to 5 to 10 kt after midnight. Seas around 2 ft. Wave Detail: NW 2 ft
at 4 seconds. Bay and inland waters a moderate chop.
.WED...NW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas less than 2 ft or less, then around
2 ft in the afternoon. Wave Detail: NW 2 ft at 4 seconds. Bay and
inland waters a moderate chop.
.WED NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Seas around 2 ft. Wave
Detail: NW 2 ft at 4 seconds. Bay and inland waters light chop. A
chance of showers late.
.THU...NW winds around 5 kt, increasing to 5 to 10 kt in the
afternoon. Seas 1 to 2 ft. Wave Detail: NW 1 foot at 5 seconds. Bay
and inland waters light chop. A chance of showers and tstms until
late afternoon.
.THU NIGHT...NW winds 5 to 10 kt, becoming SW after midnight. Seas
around 2 ft in the evening, then 1 foot or less. Wave Detail: NW
1 foot at 5 seconds. Bay and inland waters light chop. A chance of
showers after midnight.
.FRI...SW winds around 5 kt, increasing to 5 to 10 kt in the
afternoon. Seas less than 2 ft or less. Wave Detail: NW 1 foot at
5 seconds. Bay and inland waters light chop. A chance of showers
early in the morning.
.FRI NIGHT...W winds 5 to 10 kt, becoming S after midnight. Seas
less than 2 ft or less. Bay and inland waters light chop.
.SAT...S winds around 5 kt, becoming SW in the afternoon. Seas less
than 2 ft or less. Bay and inland waters light chop.
.SAT NIGHT...W winds 5 to 10 kt, becoming S after midnight. Seas
less than 2 ft or less. Bay and inland waters light chop.
.SUN...SW winds around 5 kt. Seas less than 2 ft or less. Bay and
inland waters smooth. A chance of showers and tstms late.
.SUN NIGHT...W winds around 5 kt, becoming SE after midnight. Seas
less than 2 ft or less. Bay and inland waters smooth.

Winds and seas higher in and near tstms.

$$

AMZ610-190900-
Lake Okeechobee-
401 PM EDT Tue Aug 18 2026

.TONIGHT...W winds 5 to 10 kt. Lake waters light chop. A slight
chance of showers and tstms early this evening.
.WED...W winds 5 to 10 kt. Lake waters light chop. A chance of
showers and tstms early in the afternoon. Showers and tstms likely
late.
.WED NIGHT...W winds around 5 kt. Lake waters smooth. A chance of
showers and tstms in the evening.
.THU...W winds around 5 kt. Lake waters smooth. Showers and tstms
likely in the afternoon.
.THU NIGHT...S winds around 5 kt. Lake waters smooth. Showers and
tstms likely early in the evening.
.FRI...SW winds around 5 kt. Lake waters smooth. A chance of showers
and tstms in the afternoon.
.FRI NIGHT...SW winds 5 to 10 kt. Lake waters light chop. A chance
of showers and tstms early in the evening.
.SAT...SW winds around 5 kt. Lake waters smooth. A chance of showers
and tstms in the afternoon.
.SAT NIGHT...S winds 5 to 10 kt. Lake waters light chop. A chance of
showers and tstms early in the evening.
.SUN...S winds around 5 kt. Lake waters smooth. A chance of showers
and tstms in the afternoon.
.SUN NIGHT...S winds 5 to 10 kt. Lake waters light chop. A chance of
showers and tstms early in the evening.

Winds and waves higher in and near tstms.

$$

AMZ630-190900-
Biscayne Bay-
401 PM EDT Tue Aug 18 2026

.TONIGHT...SW winds 10 to 15 kt, becoming W 5 to 10 kt after
midnight. A moderate chop.
.WED...NW winds 5 to 10 kt, becoming SE 10 to 15 kt in the
afternoon. A moderate chop.
.WED NIGHT...W winds 5 to 10 kt. Light chop. A chance of showers and
tstms late in the evening.
.THU...W winds around 5 kt, becoming S in the afternoon. Light chop.
A chance of showers and tstms in the afternoon.
.THU NIGHT...S winds 5 to 10 kt. Light chop. A chance of showers and
tstms early in the evening.
.FRI...S winds 5 to 10 kt. Light chop. A chance of showers and tstms
in the afternoon.
.FRI NIGHT...S winds 5 to 10 kt. Light chop. A chance of showers and
tstms early in the evening.
.SAT...S winds around 5 kt, becoming SE in the afternoon. Light
chop. A chance of showers and tstms in the afternoon.
.SAT NIGHT...SE winds 5 to 10 kt. Light chop. A chance of showers
and tstms early in the evening.
.SUN...SE winds 5 to 10 kt. Light chop. A chance of showers and
tstms in the afternoon.
.SUN NIGHT...SE winds 5 to 10 kt. Light chop. A chance of showers
and tstms early in the evening.

Winds and waves higher in and near tstms.

$$