Coastal Waters Forecast
Issued by NWS Miami, FL

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
944
FZUS52 KMFL 210806
CWFMFL

Coastal Waters Forecast for Florida
National Weather Service Miami FL
406 AM EDT Fri Aug 21 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-GMZ606-212100-
406 AM EDT Fri Aug 21 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 gentle west-southwest breeze is expected across the Gulf waters
for the next several days, with gentle southerly winds prevailing
across the Atlantic waters. These winds over the Atlantic will shift
more southeasterly as the weekend progresses. Scattered showers and
storms are expected each day, mainly in the morning hours and again
in the late evening hours across the local waters. Locally hazardous
winds and rough seas may occur near any storm.

Gulf Stream Hazards: None

The approximate location of the west wall of the Gulf Stream as of
Aug 19, 2026.

 22 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 southeast of Jupiter Inlet.

This data courtesy of the Naval Oceanographic Office.

$$

AMZ650-670-212100-
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-
406 AM EDT Fri Aug 21 2026

.TODAY...S winds 5 to 10 kt. Seas less than 2 ft or less. Wave
Detail: S 1 foot at 3 seconds and N 1 foot at 4 seconds.
Intracoastal waters light chop. A slight chance of showers and
tstms.
.TONIGHT...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 4 seconds.
Intracoastal waters light chop.
.SAT...S winds 5 to 10 kt. Seas less than 2 ft or less. Wave Detail:
SE 1 foot at 3 seconds. Intracoastal waters light chop.
.SAT NIGHT...S winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Seas less than 2 ft or less. Wave Detail: SE 1 foot at
3 seconds. Intracoastal waters light chop.
.SUN...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. A chance of
showers and tstms late.
.SUN NIGHT...S winds 5 to 10 kt. Seas less than 2 ft or less. Wave
Detail: SE 1 foot at 4 seconds. Intracoastal waters light chop. A
chance of showers and tstms late.
.MON...SE winds 5 to 10 kt. Seas less than 2 ft or less.
Intracoastal waters light chop.
.MON NIGHT...SE winds 5 to 10 kt. Seas less than 2 ft or less.
Intracoastal waters light chop.
.TUE...SE winds 5 to 10 kt. Seas less than 2 ft or less.
Intracoastal waters light chop.
.TUE 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.

$$

AMZ651-671-212100-
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-
406 AM EDT Fri Aug 21 2026

.TODAY...S winds 5 to 10 kt. Seas less than 2 ft or less. Wave
Detail: S 1 foot at 2 seconds. Intracoastal waters light chop. A
slight chance of showers and tstms early this morning. A chance of
showers and tstms late this morning, then a slight chance of showers
and tstms early this afternoon.
.TONIGHT...SE winds 5 to 10 kt. Seas less than 2 ft or less. Wave
Detail: SE 1 foot at 4 seconds. Intracoastal waters light chop.
.SAT...S winds 5 to 10 kt. Seas less than 2 ft or less. Wave Detail:
S 1 foot at 2 seconds. Intracoastal waters light chop.
.SAT NIGHT...S winds 5 to 10 kt. Seas less than 2 ft or less.
Intracoastal waters light chop. A chance of showers and tstms after
midnight.
.SUN...S winds 5 to 10 kt. Seas less than 2 ft or less. Wave Detail:
S 1 foot at 2 seconds. Intracoastal waters light chop. A chance of
showers and tstms early in the morning.
.SUN NIGHT...SE winds 5 to 10 kt. Seas less than 2 ft or less. Wave
Detail: SE 1 foot at 3 seconds. Intracoastal waters light chop.
.MON...SE winds 5 to 10 kt. Seas less than 2 ft or less.
Intracoastal waters light chop.
.MON NIGHT...E winds 5 to 10 kt. Seas less than 2 ft or less.
Intracoastal waters light chop. A chance of showers and tstms late.
.TUE...E 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.
.TUE NIGHT...E winds 5 to 10 kt. Seas less than 2 ft or less, then
around 2 ft after midnight. Intracoastal waters light chop. A chance
of showers and tstms after midnight.

Winds and seas higher in and near tstms.

$$

GMZ656-657-676-212100-
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-
406 AM EDT Fri Aug 21 2026

.TODAY...SW winds around 5 kt. Seas less than 2 ft or less. Wave
Detail: NW 1 foot at 5 seconds. Bay and inland waters smooth. A
chance of showers and tstms early this morning, then a chance of
showers with a slight chance of tstms late this morning.
.TONIGHT...SW winds around 5 kt, becoming S after midnight. Seas
less than 2 ft or less. Wave Detail: NW 1 foot at 4 seconds. Bay and
inland waters smooth.
.SAT...SW winds around 5 kt. Seas less than 2 ft or less. Wave
Detail: NW 1 foot at 4 seconds. Bay and inland waters smooth.
.SAT NIGHT...SW winds around 5 kt, becoming S after midnight. Seas
less than 2 ft or less. Bay and inland waters smooth.
.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...SW winds around 5 kt, becoming SE after midnight. Seas
less than 2 ft or less. Wave Detail: NW 1 foot at 4 seconds. Bay and
inland waters smooth.
.MON...SE winds around 5 kt. Seas less than 2 ft or less. Bay and
inland waters smooth. A chance of showers and tstms late.
.MON NIGHT...SE winds around 5 kt. Seas less than 2 ft or less. Bay
and inland waters smooth. A chance of showers and tstms early in the
evening.
.TUE...SE winds 5 to 10 kt. Seas less than 2 ft or less. Bay and
inland waters light chop. A chance of showers and tstms late.
.TUE NIGHT...E winds 5 to 10 kt. Seas less than 2 ft or less. Bay
and inland waters light chop. A chance of showers and tstms.

Winds and seas higher in and near tstms.

$$

AMZ610-212100-
Lake Okeechobee-
406 AM EDT Fri Aug 21 2026

.TODAY...SW winds around 5 kt. Lake waters smooth. A chance of
showers and tstms this afternoon.
.TONIGHT...S winds 5 to 10 kt. Lake waters light chop. A chance of
showers and tstms early in the evening.
.SAT...SW winds 5 to 10 kt. Lake waters light chop.
.SAT NIGHT...SW winds 5 to 10 kt. Lake waters light chop. A chance
of showers and tstms early in the evening.
.SUN...SW winds around 5 kt. Lake waters smooth. A chance of showers
and tstms in the afternoon.
.SUN NIGHT...S winds 5 to 10 kt, diminishing to around 5 kt after
midnight. Lake waters light chop. A chance of showers and tstms
early in the evening.
.MON...SE winds around 5 kt. Lake waters smooth. A chance of showers
and tstms in the afternoon.
.MON NIGHT...SE winds 5 to 10 kt. Lake waters light chop. A chance
of showers and tstms early in the evening.
.TUE...SE winds around 5 kt. Lake waters smooth. A chance of showers
and tstms in the afternoon.
.TUE NIGHT...SE 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.

$$

AMZ630-212100-
Biscayne Bay-
406 AM EDT Fri Aug 21 2026

.TODAY...S winds 5 to 10 kt. Light chop. A slight chance of showers
and tstms late this morning and afternoon.
.TONIGHT...SE winds 5 to 10 kt, becoming S after midnight. Light
chop.
.SAT...S winds around 5 kt, becoming SE in the afternoon. Light
chop.
.SAT NIGHT...S winds 5 to 10 kt, diminishing to around 5 kt after
midnight. Light chop. A chance of showers and tstms early in the
evening.
.SUN...S winds around 5 kt, becoming SE in the afternoon. Light
chop. A chance of showers and tstms in the afternoon.
.SUN NIGHT...SE winds 5 to 10 kt, diminishing to around 5 kt after
midnight. Light chop. A chance of showers and tstms early in the
evening.
.MON...SE winds around 5 kt, becoming E in the afternoon. Light
chop.
.MON NIGHT...E winds 5 to 10 kt. Light chop.
.TUE...E winds 5 to 10 kt. Light chop. A chance of showers and
tstms.
.TUE NIGHT...E winds 5 to 10 kt. Light chop. A chance of showers and
tstms after midnight.

Winds and waves higher in and near tstms.

$$