Coastal Waters Forecast
Issued by NWS Miami, FL

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FZUS52 KMFL 180801
CWFMFL

Coastal Waters Forecast for Florida
National Weather Service Miami FL
401 AM EDT Fri Sep 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-GMZ606-182100-
401 AM EDT Fri Sep 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...

Gentle east to northeast winds are expected today and into the
beginning of the weekend. Scattered thunderstorms are expected the
next several days which may result in locally hazardous winds and
seas.

Gulf Stream Hazards: None.

The approximate location of the west wall of the Gulf Stream as of
Sep 14, 2026.

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

This data courtesy of the Naval Oceanographic Office.

$$

AMZ650-670-182100-
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 AM EDT Fri Sep 18 2026

.TODAY...E winds around 5 kt. Seas 2 to 4 ft, occasionally to 5 ft.
Wave Detail: N 2 ft at 7 seconds and E 1 foot at 4 seconds.
Intracoastal waters smooth. A chance of showers and tstms.
.TONIGHT...E winds around 5 kt. Seas 2 to 3 ft. Wave Detail: N 2 ft
at 7 seconds and SE 1 foot at 2 seconds. Intracoastal waters smooth.
A chance of showers and tstms.
.SAT...NE winds around 5 kt. Seas around 2 ft. Wave Detail: N 2 ft
at 6 seconds. Intracoastal waters smooth. A chance of showers and
tstms.
.SAT NIGHT...E winds around 5 kt, becoming S after midnight. Seas
around 2 ft. Wave Detail: N 1 foot at 6 seconds. Intracoastal waters
smooth. A chance of tstms. Showers.
.SUN...SW winds around 5 kt, becoming SE around 5 kt in the
afternoon. Seas around 2 ft in the morning, then 1 foot or less.
Wave Detail: N 1 foot at 7 seconds. Intracoastal waters smooth. A
chance of tstms.
.SUN NIGHT...SE winds around 5 kt. Seas less than 2 ft or less. Wave
Detail: N 1 foot at 7 seconds. Intracoastal waters smooth. A chance
of tstms. Showers.
.MON...S winds around 5 kt. Seas less than 2 ft or less.
Intracoastal waters smooth. Showers likely. A chance of tstms until
late afternoon, then tstms likely late.
.MON NIGHT...S winds 5 to 10 kt. Seas around 2 ft. Intracoastal
waters light chop. Showers likely with a chance of tstms.
.TUE...S winds 5 to 10 kt. Seas around 2 ft. Intracoastal waters
light chop. Showers likely with a chance of tstms.
.TUE NIGHT...SE winds around 5 kt. Seas around 2 ft. Intracoastal
waters smooth. Showers likely with a chance of tstms.

Winds and seas higher in and near tstms.

$$

AMZ651-671-182100-
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 AM EDT Fri Sep 18 2026

.TODAY...E winds around 5 kt. Seas 2 to 3 ft. Wave Detail: N 3 ft at
7 seconds and E 1 foot at 3 seconds. Intracoastal waters smooth. A
chance of showers and tstms.
.TONIGHT...NE winds around 5 kt, becoming SE around 5 kt after
midnight. Seas 2 to 3 ft. Wave Detail: N 2 ft at 7 seconds and E
1 foot at 3 seconds. Intracoastal waters smooth. A chance of showers
and tstms.
.SAT...NE winds around 5 kt. Seas around 2 ft. Wave Detail: N 2 ft
at 7 seconds and SW 1 foot at 3 seconds. Intracoastal waters smooth.
A chance of showers and tstms.
.SAT NIGHT...E winds around 5 kt, becoming S after midnight. Seas
around 2 ft. Wave Detail: SW 1 foot at 2 seconds and SE 1 foot at
3 seconds. Intracoastal waters smooth. A chance of tstms. Showers.
.SUN...S winds around 5 kt. Seas around 2 ft in the morning, then
1 foot or less. Wave Detail: SE 1 foot at 2 seconds. Intracoastal
waters smooth. A chance of tstms.
.SUN NIGHT...S winds 5 to 10 kt. Seas less than 2 ft or less. Wave
Detail: SE 1 foot at 2 seconds and N 1 foot at 6 seconds.
Intracoastal waters light chop. A chance of tstms. Showers.
.MON...S winds 5 to 10 kt. Seas less than 2 ft or less. Intracoastal
waters light chop. Showers likely with a chance of tstms.
.MON NIGHT...S winds 5 to 10 kt. Seas less than 2 ft or less.
Intracoastal waters light chop. Showers likely with a chance of
tstms.
.TUE...S winds 5 to 10 kt. Seas less than 2 ft or less, then around
2 ft in the afternoon. Intracoastal waters light chop. Showers
likely with a chance of tstms.
.TUE NIGHT...SE winds 5 to 10 kt. Seas around 2 ft. Intracoastal
waters light chop. A chance of tstms.

Winds and seas higher in and near tstms.

$$

GMZ656-657-676-182100-
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 AM EDT Fri Sep 18 2026

.TODAY...NE winds 5 to 10 kt. Seas 1 to 2 ft. Wave Detail: E 2 ft at
3 seconds. Bay and inland waters light chop. A chance of showers and
tstms.
.TONIGHT...NE 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. A
chance of showers and tstms.
.SAT...E winds 5 to 10 kt, becoming SE in the afternoon. Seas less
than 2 ft or less. Wave Detail: E 1 foot at 2 seconds. Bay and
inland waters light chop. A chance of showers and tstms.
.SAT NIGHT...E winds around 5 kt. Seas less than 2 ft or less. Bay
and inland waters smooth. Showers likely with a chance of tstms.
.SUN...SE winds around 5 kt, becoming SW in the afternoon. Seas less
than 2 ft or less. Bay and inland waters smooth. Showers likely with
a chance of tstms.
.SUN NIGHT...S winds around 5 kt. Seas less than 2 ft or less. Bay
and inland waters smooth. Showers likely with a chance of tstms.
.MON...S winds around 5 kt, increasing to 5 to 10 kt in the
afternoon. Seas less than 2 ft or less. Bay and inland waters light
chop. Showers with a chance of tstms in the morning, then showers
with tstms likely in the afternoon.
.MON NIGHT...S winds 5 to 10 kt. Seas less than 2 ft or less. Bay
and inland waters light chop. Showers likely. Tstms likely early in
the evening, then a chance of tstms in the late evening and
overnight.
.TUE...S winds 5 to 10 kt. Seas less than 2 ft or less. Bay and
inland waters light chop. Showers with a chance of tstms until late
afternoon, then showers and tstms likely late.
.TUE NIGHT...SE winds 5 to 10 kt. Seas less than 2 ft or less. Bay
and inland waters light chop. Showers likely. Tstms likely early in
the evening, then a chance of tstms in the late evening and
overnight.

Winds and seas higher in and near tstms.

$$

AMZ610-182100-
Lake Okeechobee-
401 AM EDT Fri Sep 18 2026

.TODAY...NE winds 5 to 10 kt. Lake waters light chop. A slight
chance of showers and tstms late this morning. Showers and tstms
likely this afternoon.
.TONIGHT...NE winds 5 to 10 kt, diminishing to around 5 kt after
midnight. Lake waters light chop. Showers and tstms likely early in
the evening.
.SAT...NE winds around 5 kt. Lake waters smooth. A chance of showers
and tstms in the afternoon.
.SAT NIGHT...E winds around 5 kt. Lake waters smooth. Showers and
tstms likely early in the evening, then a chance of tstms late in
the evening. A chance of showers in the late evening and early
morning.
.SUN...E winds around 5 kt. Lake waters smooth. Showers and tstms in
the afternoon.
.SUN NIGHT...SE winds around 5 kt. Lake waters smooth. Showers with
tstms likely early in the evening, then a chance of tstms late in
the evening. A chance of showers in the late evening and early
morning.
.MON...S winds around 5 kt. Lake waters smooth. A chance of showers
and tstms in the morning, then showers and tstms in the afternoon.
.MON NIGHT...SE winds around 5 kt. Lake waters smooth. Showers and
tstms early in the evening.
.TUE...S winds around 5 kt. Lake waters smooth. A chance of showers
and tstms in the morning, then showers and tstms in the afternoon.
.TUE NIGHT...SE winds around 5 kt. Lake waters smooth. Showers and
tstms early in the evening.

Winds and waves higher in and near tstms.

$$

AMZ630-182100-
Biscayne Bay-
401 AM EDT Fri Sep 18 2026

.TODAY...E winds around 5 kt. Smooth. A chance of showers and tstms
until late afternoon, then showers and tstms likely late.
.TONIGHT...NE winds around 5 kt. Smooth. Showers and tstms likely
early in the evening, then a chance of showers and tstms in the late
evening and overnight.
.SAT...N winds around 5 kt, becoming E in the afternoon. Smooth. A
chance of tstms. A chance of showers until late afternoon, then
showers likely late.
.SAT NIGHT...SE winds around 5 kt. Smooth. A chance of tstms.
Showers likely until early morning, then a chance of showers late.
.SUN...S winds around 5 kt. Smooth. A chance of showers and tstms in
the morning, then showers with tstms likely in the afternoon.
.SUN NIGHT...S winds around 5 kt. Smooth. Showers with a chance of
tstms until early morning, then a chance of showers late.
.MON...S winds around 5 kt. Smooth. Showers likely with a chance of
tstms in the morning, then showers with tstms likely in the
afternoon.
.MON NIGHT...S winds 5 to 10 kt. Light chop. Showers with tstms
likely early in the evening, then showers likely with a chance of
tstms in the late evening and overnight.
.TUE...S winds around 5 kt. Smooth. Showers likely with a chance of
tstms in the morning, then showers with tstms likely in the
afternoon.
.TUE NIGHT...SE winds 5 to 10 kt. Light chop. Tstms likely in the
evening. Showers. A chance of tstms after midnight.

Winds and waves higher in and near tstms.

$$