639
FZUS52 KMLB 211327
CWFMLB

Coastal Waters Forecast for East Central Florida
National Weather Service Melbourne FL
927 AM EDT Tue Jul 21 2026

Atlantic coastal waters from Flagler Beach to Jupiter Inlet out 60 nm.

Seas are provided as a range of the average height of the highest
one third of the waves, along with the occasional height of the
average highest ten percent of the waves.

AMZ500-220215-
Synopsis for Flagler Beach to Jupiter Inlet out to 60 nm
927 AM EDT Tue Jul 21 2026

.SYNOPSIS...The pressure gradient will remain tight through
midweek as Tropical Storm Bertha moves westward over the Gulf,
with little impact to the local waters. Locally, breezy winds
persist at times through at least tonight and small craft should
exercise caution. Winds then slacken into late week. Isolated to
scattered showers and lightning storms will remain possible
through today, before chances decrease as drier air moves into the
area.

.GULF STREAM HAZARDS...South winds 15 to 20 knots.


The approximate location of the west wall of the Gulf Stream based on
the Real Time Ocean Forecast System as of Tuesday, July 21st, 2026.

33 nautical miles east of Ponce Inlet.
25 nautical miles east of Port Canaveral.
20 nautical miles east of Sebastian Inlet.
13 nautical miles east of Fort Pierce Inlet.
 8 nautical miles east of Saint Lucie Inlet.

$$

AMZ550-220215-
Flagler Beach to Volusia-Brevard County Line 0-20 nm-
927 AM EDT Tue Jul 21 2026

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.REST OF TODAY...South winds 15 to 20 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 4 feet at 5 seconds. Choppy on the
intracoastal waters. A slight chance of showers and
thunderstorms.
.TONIGHT...South winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. Seas 3 to 4 feet. Wave Detail: Southeast
4 feet at 5 seconds and east 2 feet at 8 seconds. Choppy on the
intracoastal waters. A slight chance of thunderstorms in the
evening. A slight chance of showers.
.WEDNESDAY...South winds around 10 knots, becoming southeast
15 to 20 knots in the afternoon. Seas 2 to 3 feet. Wave Detail:
Southeast 3 feet at 4 seconds and east 2 feet at 8 seconds.
Choppy on the intracoastal waters.
.WEDNESDAY NIGHT...South winds 15 to 20 knots, diminishing to
5 to 10 knots after midnight. Seas 2 to 3 feet. Wave Detail:
Southeast 3 feet at 4 seconds and east 2 feet at 8 seconds.
Choppy on the intracoastal waters.
.THURSDAY...South winds 5 to 10 knots, becoming southeast 10 to
15 knots in the afternoon. Seas 2 feet. Wave Detail: East 2 feet
at 8 seconds. A moderate chop on the intracoastal waters.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots, becoming south
5 to 10 knots after midnight. Seas 2 feet. Wave Detail: East
2 feet at 8 seconds. A light chop on the intracoastal waters.
.FRIDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. A
light chop on the intracoastal waters.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
after midnight. Seas 2 to 3 feet. Mostly smooth on the
intracoastal waters.
.SATURDAY...South winds around 5 knots, becoming southeast in the
afternoon. Seas 2 to 3 feet. A light chop on the intracoastal
waters. A slight chance of showers and thunderstorms in the
afternoon.
.SATURDAY NIGHT...South winds 5 to 10 knots, becoming southwest
after midnight. Seas 2 to 3 feet. Mostly smooth on the
intracoastal waters.

Winds and waves higher in and near thunderstorms.

$$

AMZ552-220215-
Volusia-Brevard County Line to Sebastian Inlet 0-20 nm-
927 AM EDT Tue Jul 21 2026

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.REST OF TODAY...South winds 10 to 15 knots, becoming southeast
15 to 20 knots late. Seas 2 to 3 feet. Wave Detail: Southeast
3 feet at 4 seconds and east 2 feet at 7 seconds. Choppy on the
intracoastal waters. A slight chance of showers and
thunderstorms.
.TONIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 4 seconds and east 2 feet at
7 seconds. A light chop on the intracoastal waters. A slight
chance of thunderstorms in the evening. A slight chance of
showers.
.WEDNESDAY...South winds 5 to 10 knots, becoming southeast 10 to
15 knots in the afternoon. Seas 2 feet. Wave Detail: East 2 feet
at 8 seconds. A moderate chop on the intracoastal waters.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots, becoming south
5 to 10 knots after midnight. Seas 2 feet. Wave Detail: East
2 feet at 8 seconds and southeast 1 foot at 4 seconds. A light
chop on the intracoastal waters.
.THURSDAY...Southeast winds 5 to 10 knots. Seas 2 feet. Wave
Detail: East 2 feet at 8 seconds and southeast 1 foot at
4 seconds. A light chop on the intracoastal waters.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 feet.
Wave Detail: East 2 feet at 8 seconds. Mostly smooth on the
intracoastal waters.
.FRIDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. A light
chop on the intracoastal waters.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
after midnight. Seas 2 to 3 feet. Mostly smooth on the
intracoastal waters.
.SATURDAY...South winds around 5 knots, becoming southeast in the
afternoon. Seas 2 to 3 feet. A light chop on the intracoastal
waters. A slight chance of showers and thunderstorms in the
afternoon.
.SATURDAY NIGHT...South winds 5 to 10 knots, becoming southwest
after midnight. Seas 2 to 3 feet. Mostly smooth on the
intracoastal waters.

Winds and waves higher in and near thunderstorms.

$$

AMZ555-220215-
Sebastian Inlet to Jupiter Inlet 0-20 nm-
927 AM EDT Tue Jul 21 2026

.REST OF TODAY...Southeast winds around 15 knots. Seas 2 to
3 feet. Wave Detail: Southeast 2 feet at 4 seconds and east
1 foot at 8 seconds. A moderate chop on the intracoastal waters.
A slight chance of showers and thunderstorms.
.TONIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 5 seconds. A light chop on the
intracoastal waters. A slight chance of thunderstorms in the
evening. A slight chance of showers.
.WEDNESDAY...South winds 5 to 10 knots, becoming southeast 10 to
15 knots in the afternoon. Seas 1 to 2 feet. Wave Detail: East
2 feet at 5 seconds. A moderate chop on the intracoastal waters.
A slight chance of showers and thunderstorms in the morning.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots, diminishing to
5 to 10 knots after midnight. Seas 1 to 2 feet. Wave Detail: East
2 feet at 5 seconds. A light chop on the intracoastal waters.
.THURSDAY...East winds 5 to 10 knots. Seas 1 to 2 feet. Wave
Detail: Southeast 1 foot at 4 seconds and east 1 foot at
7 seconds. A light chop on the intracoastal waters.
.THURSDAY NIGHT...East winds 5 to 10 knots. Seas 1 to 2 feet.
Wave Detail: East 2 feet at 8 seconds and southeast 1 foot at
3 seconds. Mostly smooth on the intracoastal waters.
.FRIDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. A light
chop on the intracoastal waters. A slight chance of showers and
thunderstorms.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
after midnight. Seas 2 to 3 feet. Mostly smooth on the
intracoastal waters.
.SATURDAY...South winds around 5 knots, becoming southeast in the
afternoon. Seas 2 to 3 feet. A light chop on the intracoastal
waters. A chance of showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...South winds 5 to 10 knots, becoming southwest
after midnight. Seas 2 to 3 feet. Mostly smooth on the
intracoastal waters. A slight chance of showers and thunderstorms
in the evening.

Winds and waves higher in and near thunderstorms.

$$

AMZ570-220215-
Flagler Beach to Volusia-Brevard County Line 20-60 nm-
927 AM EDT Tue Jul 21 2026

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.REST OF TODAY...South winds 15 to 20 knots. Seas 3 to 4 feet.
Wave Detail: South 3 feet at 5 seconds and southeast 3 feet at
8 seconds. A slight chance of showers and thunderstorms.
.TONIGHT...South winds 15 to 20 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 4 seconds and southeast 3 feet at
8 seconds. A slight chance of thunderstorms in the evening. A
slight chance of showers.
.WEDNESDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 8 seconds.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 4 seconds and southeast 3 feet
at 8 seconds.
.THURSDAY...South winds 5 to 10 knots, becoming southeast in the
afternoon. Seas 2 feet. Wave Detail: East 2 feet at 8 seconds.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to
3 feet. Wave Detail: East 3 feet at 8 seconds.
.FRIDAY...South winds around 5 knots, becoming southeast in the
afternoon. Seas 2 to 3 feet.
.FRIDAY NIGHT...Southeast winds around 10 knots, becoming south
after midnight. Seas 3 feet.
.SATURDAY...Southwest winds 5 to 10 knots, becoming south in the
afternoon. Seas 3 feet.
.SATURDAY NIGHT...South winds 10 to 15 knots, becoming southwest
after midnight. Seas 3 feet.

Winds and seas higher in and near thunderstorms.

$$

AMZ572-220215-
Volusia-Brevard County Line to Sebastian Inlet 20-60 nm-
927 AM EDT Tue Jul 21 2026

.REST OF TODAY...South winds around 15 knots. Seas 2 to 3 feet.
Wave Detail: South 2 feet at 4 seconds and southeast 2 feet at
8 seconds. A slight chance of showers and thunderstorms.
.TONIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 4 seconds and east 2 feet at 8 seconds. A
slight chance of thunderstorms in the evening. A slight chance of
showers.
.WEDNESDAY...South winds 10 to 15 knots. Seas 2 feet. Wave
Detail: East 2 feet at 8 seconds.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 feet.
Wave Detail: East 2 feet at 8 seconds and south 1 foot at
3 seconds.
.THURSDAY...Southeast winds 5 to 10 knots. Seas 2 feet. Wave
Detail: East 2 feet at 8 seconds.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to
3 feet. Wave Detail: East 3 feet at 8 seconds.
.FRIDAY...Southeast winds 5 to 10 knots. Seas 3 feet.
.FRIDAY NIGHT...Southeast winds around 10 knots, becoming south
after midnight. Seas 3 feet.
.SATURDAY...Southwest winds 5 to 10 knots, becoming south in the
afternoon. Seas 3 feet.
.SATURDAY NIGHT...South winds 10 to 15 knots, becoming southwest
after midnight. Seas 3 feet. A slight chance of showers and
thunderstorms in the evening.

Winds and seas higher in and near thunderstorms.

$$

AMZ575-220215-
Sebastian Inlet to Jupiter Inlet 20-60 nm-
927 AM EDT Tue Jul 21 2026

.REST OF TODAY...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: South 2 feet at 4 seconds and east 1 foot at
7 seconds. A slight chance of showers and thunderstorms.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 2 feet. Wave
Detail: Southeast 2 feet at 5 seconds. A slight chance of
thunderstorms in the evening. A slight chance of showers.
.WEDNESDAY...Southeast winds around 10 knots. Seas 2 feet. Wave
Detail: Southeast 2 feet at 5 seconds. A slight chance of showers
in the morning.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 to
2 feet. Wave Detail: East 2 feet at 8 seconds and south 1 foot at
4 seconds.
.THURSDAY...East winds 5 to 10 knots. Seas 1 to 2 feet. Wave
Detail: East 2 feet at 8 seconds and south 1 foot at 4 seconds.
.THURSDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 2 feet at 4 seconds and east 2 feet at
8 seconds. A slight chance of showers.
.FRIDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. A slight
chance of thunderstorms. A chance of showers in the morning, then
a slight chance of showers in the afternoon.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
after midnight. Seas 2 to 3 feet. A slight chance of showers and
thunderstorms after midnight.
.SATURDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. A slight
chance of showers and thunderstorms in the morning.
.SATURDAY NIGHT...South winds around 10 knots, becoming southwest
after midnight. Seas 2 to 3 feet. A slight chance of showers and
thunderstorms.

Winds and seas higher in and near thunderstorms.

$$