FZUS52 KMFL 210751
CWFMFL
Coastal Waters Forecast for Florida
National Weather Service Miami FL
351 AM EDT Tue Apr 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-GMZ606-212000-
351 AM EDT Tue Apr 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 cold front pushing further south of the area will keep the
potential for a few showers and thunderstorms through the rest of
the morning hours. Hazardous marine conditions will establish today
as strong gusty northeasterly winds and periods of rough seas
continue to develop across all local waters. Gulf Stream Hazards:
Northeasterly winds 20-30 kts and seas building to 8-12 ft through
tonight.
The approximate location of the west wall of the Gulf Stream as of
Apr 20, 2026.
6 nautical miles south southeast of Fowey Rocks.
10 nautical miles northeast of Port Everglades.
3 nautical miles east northeast of Lake Worth.
6 nautical miles east southeast of Jupiter Inlet.
This data courtesy of the Naval Oceanographic Office.
$$
AMZ650-670-212000-
Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM-
Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM-
351 AM EDT Tue Apr 21 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING...
.TODAY...NE winds 25 to 30 kt, diminishing to 20 to 25 kt late. Seas
7 to 10 ft, occasionally to 13 ft. Wave Detail: NE 10 ft at
8 seconds and NW 2 ft at 7 seconds. Intracoastal waters very rough
in exposed areas.
.TONIGHT...E winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to
8 ft, occasionally to 10 ft. Wave Detail: E 8 ft at 7 seconds and NW
2 ft at 7 seconds. Intracoastal waters rough in exposed areas.
.WED...E winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 ft,
occasionally to 9 ft, subsiding to 3 to 5 ft, occasionally to 6 ft
in the afternoon. Wave Detail: E 6 ft at 6 seconds and NW 2 ft at
7 seconds, becoming E 5 ft at 6 seconds and NW 2 ft at 7 seconds.
Intracoastal waters choppy in exposed areas.
.WED NIGHT...E winds 15 to 20 kt. Seas 3 to 5 ft, occasionally to
6 ft. Wave Detail: E 4 ft at 5 seconds and NW 1 foot at 7 seconds.
Intracoastal waters choppy in exposed areas.
.THU AND THU NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft,
occasionally to 5 ft. Wave Detail: E 3 ft at 5 seconds and NW 1 foot
at 7 seconds. Intracoastal waters a moderate chop.
.FRI THROUGH SAT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail:
SE 2 ft at 5 seconds and NW 1 foot at 7 seconds. Intracoastal waters
light chop.
$$
AMZ651-671-212000-
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-
351 AM EDT Tue Apr 21 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING...
.TODAY...NE winds 25 to 30 kt. Seas 7 to 10 ft, occasionally to
13 ft. Wave Detail: NE 10 ft at 8 seconds. Intracoastal waters very
rough in exposed areas. A chance of showers with a slight chance of
tstms early this morning.
.TONIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to
9 ft, occasionally to 11 ft. Wave Detail: NE 9 ft at 8 seconds.
Intracoastal waters rough in exposed areas.
.WED...E winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 ft,
occasionally to 9 ft. Wave Detail: NE 7 ft at 7 seconds.
Intracoastal waters choppy in exposed areas.
.WED NIGHT...E winds 15 to 20 kt. Seas 3 to 5 ft, occasionally to
6 ft. Wave Detail: E 4 ft at 5 seconds and N 2 ft at 7 seconds.
Intracoastal waters choppy in exposed areas.
.THU AND THU NIGHT...E winds around 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: E 4 ft at
5 seconds and N 1 foot at 6 seconds. Intracoastal waters a moderate
chop.
.FRI THROUGH SAT...SE winds 10 to 15 kt. Seas 2 to 3 ft. Wave
Detail: E 2 ft at 4 seconds and N 1 foot at 7 seconds. Intracoastal
waters a moderate chop.
Winds and seas higher in and near tstms.
$$
GMZ656-657-676-212000-
Coastal waters from Chokoloskee to Bonita Beach FL out 20 NM-
Coastal waters from East Cape Sable to Chokoloskee FL out 20 NM-
Waters from Chokoloskee to Bonita Beach FL from 20 to 60 NM-
351 AM EDT Tue Apr 21 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING...
.TODAY...NE winds 20 to 25 kt, becoming E 15 to 20 kt this
afternoon. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: N 5 ft
at 5 seconds. Bay and inland waters a moderate chop.
.TONIGHT...E winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to
5 ft, occasionally to 6 ft. Wave Detail: E 5 ft at 4 seconds. Bay
and inland waters a moderate chop.
.WED...E winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: E 4 ft
at 4 seconds. Bay and inland waters a moderate chop.
.WED NIGHT...E winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft. Wave Detail: E 3 ft at 4 seconds. Bay and inland waters light
chop.
.THU AND THU NIGHT...E winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: E 3 ft at 4 seconds. Bay and inland
waters light chop.
.FRI THROUGH SAT...E winds 10 to 15 kt. Seas 1 to 2 ft. Wave Detail:
E 2 ft at 4 seconds. Bay and inland waters light chop.
$$
AMZ610-212000-
Lake Okeechobee-
351 AM EDT Tue Apr 21 2026
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...
.TODAY...NE winds 15 to 20 kt with gusts up to 25 kt. Lake waters
choppy.
.TONIGHT...E winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Lake waters choppy.
.WED...E winds 10 to 15 kt. Lake waters a moderate chop.
.WED NIGHT...E winds 10 to 15 kt with gusts up to 20 kt, diminishing
to 5 to 10 kt after midnight. Lake waters a moderate chop.
.THU AND THU NIGHT...E winds 5 to 10 kt. Lake waters light chop.
.FRI THROUGH SAT...S winds 5 to 10 kt. Lake waters light chop.
$$
AMZ630-212000-
Biscayne Bay-
351 AM EDT Tue Apr 21 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING...
.TODAY...NE winds 20 to 25 kt with gusts up to 30 kt. Rough. A
slight chance of showers early this morning.
.TONIGHT...E winds 20 to 25 kt with gusts up to 30 kt. Rough.
.WED...E winds 15 to 20 kt with gusts up to 25 kt. Choppy.
.WED NIGHT...E winds 15 to 20 kt. Choppy.
.THU AND THU NIGHT...E winds 10 to 15 kt. A moderate chop.
.FRI THROUGH SAT...SE winds 5 to 10 kt. Light chop.
$$
CWFMFL
Coastal Waters Forecast for Florida
National Weather Service Miami FL
351 AM EDT Tue Apr 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-GMZ606-212000-
351 AM EDT Tue Apr 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 cold front pushing further south of the area will keep the
potential for a few showers and thunderstorms through the rest of
the morning hours. Hazardous marine conditions will establish today
as strong gusty northeasterly winds and periods of rough seas
continue to develop across all local waters. Gulf Stream Hazards:
Northeasterly winds 20-30 kts and seas building to 8-12 ft through
tonight.
The approximate location of the west wall of the Gulf Stream as of
Apr 20, 2026.
6 nautical miles south southeast of Fowey Rocks.
10 nautical miles northeast of Port Everglades.
3 nautical miles east northeast of Lake Worth.
6 nautical miles east southeast of Jupiter Inlet.
This data courtesy of the Naval Oceanographic Office.
$$
AMZ650-670-212000-
Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM-
Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM-
351 AM EDT Tue Apr 21 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING...
.TODAY...NE winds 25 to 30 kt, diminishing to 20 to 25 kt late. Seas
7 to 10 ft, occasionally to 13 ft. Wave Detail: NE 10 ft at
8 seconds and NW 2 ft at 7 seconds. Intracoastal waters very rough
in exposed areas.
.TONIGHT...E winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to
8 ft, occasionally to 10 ft. Wave Detail: E 8 ft at 7 seconds and NW
2 ft at 7 seconds. Intracoastal waters rough in exposed areas.
.WED...E winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 ft,
occasionally to 9 ft, subsiding to 3 to 5 ft, occasionally to 6 ft
in the afternoon. Wave Detail: E 6 ft at 6 seconds and NW 2 ft at
7 seconds, becoming E 5 ft at 6 seconds and NW 2 ft at 7 seconds.
Intracoastal waters choppy in exposed areas.
.WED NIGHT...E winds 15 to 20 kt. Seas 3 to 5 ft, occasionally to
6 ft. Wave Detail: E 4 ft at 5 seconds and NW 1 foot at 7 seconds.
Intracoastal waters choppy in exposed areas.
.THU AND THU NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft,
occasionally to 5 ft. Wave Detail: E 3 ft at 5 seconds and NW 1 foot
at 7 seconds. Intracoastal waters a moderate chop.
.FRI THROUGH SAT...S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail:
SE 2 ft at 5 seconds and NW 1 foot at 7 seconds. Intracoastal waters
light chop.
$$
AMZ651-671-212000-
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-
351 AM EDT Tue Apr 21 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING...
.TODAY...NE winds 25 to 30 kt. Seas 7 to 10 ft, occasionally to
13 ft. Wave Detail: NE 10 ft at 8 seconds. Intracoastal waters very
rough in exposed areas. A chance of showers with a slight chance of
tstms early this morning.
.TONIGHT...NE winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to
9 ft, occasionally to 11 ft. Wave Detail: NE 9 ft at 8 seconds.
Intracoastal waters rough in exposed areas.
.WED...E winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 ft,
occasionally to 9 ft. Wave Detail: NE 7 ft at 7 seconds.
Intracoastal waters choppy in exposed areas.
.WED NIGHT...E winds 15 to 20 kt. Seas 3 to 5 ft, occasionally to
6 ft. Wave Detail: E 4 ft at 5 seconds and N 2 ft at 7 seconds.
Intracoastal waters choppy in exposed areas.
.THU AND THU NIGHT...E winds around 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: E 4 ft at
5 seconds and N 1 foot at 6 seconds. Intracoastal waters a moderate
chop.
.FRI THROUGH SAT...SE winds 10 to 15 kt. Seas 2 to 3 ft. Wave
Detail: E 2 ft at 4 seconds and N 1 foot at 7 seconds. Intracoastal
waters a moderate chop.
Winds and seas higher in and near tstms.
$$
GMZ656-657-676-212000-
Coastal waters from Chokoloskee to Bonita Beach FL out 20 NM-
Coastal waters from East Cape Sable to Chokoloskee FL out 20 NM-
Waters from Chokoloskee to Bonita Beach FL from 20 to 60 NM-
351 AM EDT Tue Apr 21 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING...
.TODAY...NE winds 20 to 25 kt, becoming E 15 to 20 kt this
afternoon. Seas 3 to 5 ft, occasionally to 6 ft. Wave Detail: N 5 ft
at 5 seconds. Bay and inland waters a moderate chop.
.TONIGHT...E winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to
5 ft, occasionally to 6 ft. Wave Detail: E 5 ft at 4 seconds. Bay
and inland waters a moderate chop.
.WED...E winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 2 to 4 ft, occasionally to 5 ft. Wave Detail: E 4 ft
at 4 seconds. Bay and inland waters a moderate chop.
.WED NIGHT...E winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft. Wave Detail: E 3 ft at 4 seconds. Bay and inland waters light
chop.
.THU AND THU NIGHT...E winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: E 3 ft at 4 seconds. Bay and inland
waters light chop.
.FRI THROUGH SAT...E winds 10 to 15 kt. Seas 1 to 2 ft. Wave Detail:
E 2 ft at 4 seconds. Bay and inland waters light chop.
$$
AMZ610-212000-
Lake Okeechobee-
351 AM EDT Tue Apr 21 2026
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...
.TODAY...NE winds 15 to 20 kt with gusts up to 25 kt. Lake waters
choppy.
.TONIGHT...E winds 15 to 20 kt, diminishing to 10 to 15 kt after
midnight. Lake waters choppy.
.WED...E winds 10 to 15 kt. Lake waters a moderate chop.
.WED NIGHT...E winds 10 to 15 kt with gusts up to 20 kt, diminishing
to 5 to 10 kt after midnight. Lake waters a moderate chop.
.THU AND THU NIGHT...E winds 5 to 10 kt. Lake waters light chop.
.FRI THROUGH SAT...S winds 5 to 10 kt. Lake waters light chop.
$$
AMZ630-212000-
Biscayne Bay-
351 AM EDT Tue Apr 21 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING...
.TODAY...NE winds 20 to 25 kt with gusts up to 30 kt. Rough. A
slight chance of showers early this morning.
.TONIGHT...E winds 20 to 25 kt with gusts up to 30 kt. Rough.
.WED...E winds 15 to 20 kt with gusts up to 25 kt. Choppy.
.WED NIGHT...E winds 15 to 20 kt. Choppy.
.THU AND THU NIGHT...E winds 10 to 15 kt. A moderate chop.
.FRI THROUGH SAT...SE winds 5 to 10 kt. Light chop.
$$