Coastal Waters Forecast
Issued by NWS Melbourne, FL

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602
FZUS52 KMLB 221408
CWFMLB

Coastal Waters Forecast for East Central Florida
National Weather Service Melbourne FL
1008 AM EDT Fri Aug 22 2025

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.

ANZ500-230400-
Synopsis for Flagler Beach to Jupiter Inlet out to 60 nm
1008 AM EDT Fri Aug 22 2025

.SYNOPSIS...Hurricane Erin will continue to move farther out to
sea through late week. Poor boating conditions linger across the
gulf stream waters today and into the weekend, and long period
swells will continue to produce hazardous conditions near inlets
during the outgoing tide. Scattered to numerous offshore moving
showers and storms will occur each afternoon and evening over the
next several days, with some stronger storms producing frequent
lightning strikes and strong gusty winds.

.GULF STREAM HAZARDS...Seas up to 6 feet.

The approximate location of the west wall of the Gulf Stream based on
the Real Time Ocean Forecast System as of Friday, August 22nd, 2025.

41 nautical miles east of Ponce Inlet.
31 nautical miles east of Port Canaveral.
24 nautical miles east of Sebastian Inlet.
17 nautical miles east of Fort Pierce Inlet.
11 nautical miles east of Saint Lucie Inlet.

$$

AMZ550-230400-
Flagler Beach to Volusia-Brevard County Line 0-20 nm-
1008 AM EDT Fri Aug 22 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION NEAR INLETS...

.REST OF TODAY...Southwest winds around 5 knots, becoming south
this afternoon. Seas 4 to 5 feet, occasionally to 6 feet. Wave
Detail: Northeast 5 feet at 12 seconds. Smooth on the
intracoastal waters. A chance of showers and thunderstorms early
this morning, then showers and thunderstorms likely this
afternoon.
.TONIGHT...Southwest winds around 5 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: Northeast 5 feet at
13 seconds. Smooth on the intracoastal waters. Showers and
thunderstorms likely in the evening, then a slight chance of
showers and thunderstorms after midnight.
.SATURDAY...Southwest winds 5 to 10 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: Northeast 5 feet at
13 seconds. A light chop on the intracoastal waters. A chance of
showers and thunderstorms in the morning, then showers and
thunderstorms likely in the afternoon.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas 3 to
4 feet. Wave Detail: Northeast 4 feet at 12 seconds and southeast
1 foot at 8 seconds. Mostly smooth on the intracoastal waters. A
chance of showers and thunderstorms.
.SUNDAY...Southwest winds around 10 knots. Seas 3 to 4 feet. Wave
Detail: Northeast 4 feet at 13 seconds. A light chop on the
intracoastal waters. A chance of showers and thunderstorms in the
morning, then showers and thunderstorms likely in the afternoon.
.SUNDAY NIGHT...West winds around 10 knots. Seas 3 to 4 feet.
Wave Detail: Northeast 4 feet at 14 seconds. Mostly smooth on the
intracoastal waters. A chance of showers and thunderstorms.
.MONDAY...Southwest winds 5 to 10 knots. Seas 3 to 4 feet. A
light chop on the intracoastal waters. A chance of showers and
thunderstorms in the morning, then showers and thunderstorms
likely in the afternoon.
.MONDAY NIGHT...Southwest winds around 5 knots. Seas 3 to 4 feet.
Smooth on the intracoastal waters. A chance of showers and
thunderstorms in the evening, then a slight chance of showers and
thunderstorms after midnight.
.TUESDAY...Northwest winds around 5 knots, becoming east in the
afternoon. Seas 3 to 4 feet. A light chop on the intracoastal
waters. A chance of showers and thunderstorms.
.TUESDAY NIGHT...Southeast winds around 5 knots, becoming
northwest after midnight. Seas 2 to 3 feet. Smooth on the
intracoastal waters. A chance of showers and thunderstorms in the
evening, then a slight chance of showers and thunderstorms after
midnight.

Winds and waves higher in and near thunderstorms.

$$

AMZ552-230400-
Volusia-Brevard County Line to Sebastian Inlet 0-20 nm-
1008 AM EDT Fri Aug 22 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION NEAR INLETS...

.REST OF TODAY...Southwest winds 5 to 10 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: Northeast 5 feet at
12 seconds and east 1 foot at 8 seconds. A light chop on the
intracoastal waters. A chance of showers and thunderstorms early
this morning, then showers and thunderstorms likely this
afternoon.
.TONIGHT...Southwest winds around 5 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: Northeast 5 feet at
12 seconds. Smooth on the intracoastal waters. Showers and
thunderstorms likely in the evening, then a slight chance of
showers and thunderstorms after midnight.
.SATURDAY...Southwest winds 5 to 10 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: Northeast 5 feet at
13 seconds. A light chop on the intracoastal waters. A chance of
showers and thunderstorms in the morning, then showers and
thunderstorms likely in the afternoon.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas 4 to
5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at
12 seconds. Mostly smooth on the intracoastal waters. Showers and
thunderstorms likely in the evening, then a chance of showers and
thunderstorms after midnight.
.SUNDAY...Southwest winds around 10 knots. Seas 4 feet. Wave
Detail: Northeast 4 feet at 13 seconds and south 2 feet at
3 seconds. A light chop on the intracoastal waters. A chance of
showers and thunderstorms in the morning, then showers and
thunderstorms likely in the afternoon.
.SUNDAY NIGHT...Southwest winds around 10 knots. Seas 3 to
4 feet. Wave Detail: Northeast 4 feet at 14 seconds and southeast
1 foot at 3 seconds. Mostly smooth on the intracoastal waters. A
chance of showers and thunderstorms.
.MONDAY...Southwest winds 5 to 10 knots. Seas 3 to 4 feet. A
light chop on the intracoastal waters. A chance of showers and
thunderstorms in the morning, then showers and thunderstorms
likely in the afternoon.
.MONDAY NIGHT...Southwest winds 5 to 10 knots. Seas 3 to 4 feet.
Mostly smooth on the intracoastal waters. A chance of showers and
thunderstorms in the evening, then a slight chance of showers and
thunderstorms after midnight.
.TUESDAY...West winds around 5 knots, becoming east in the
afternoon. Seas 3 to 4 feet. Smooth on the intracoastal waters. A
chance of showers and thunderstorms in the morning, then showers
and thunderstorms likely in the afternoon.
.TUESDAY NIGHT...South winds around 5 knots, becoming west after
midnight. Seas 2 to 3 feet. Smooth on the intracoastal waters. A
chance of showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

AMZ555-230400-
Sebastian Inlet to Jupiter Inlet 0-20 nm-
1008 AM EDT Fri Aug 22 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.REST OF TODAY...West winds 5 to 10 knots, becoming south this
afternoon. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail:
Northeast 5 feet at 11 seconds and east 2 feet at 5 seconds. A
light chop on the intracoastal waters. A slight chance of showers
and thunderstorms early this morning, then showers and
thunderstorms likely this afternoon.
.TONIGHT...South winds around 5 knots, becoming southwest after
midnight. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail:
Northeast 6 feet at 13 seconds and east 2 feet at 5 seconds.
Smooth on the intracoastal waters. A chance of showers and
thunderstorms in the evening, then a slight chance of showers and
thunderstorms after midnight.
.SATURDAY...Southwest winds around 5 knots, becoming south in the
afternoon. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail:
Northeast 6 feet at 13 seconds and east 2 feet at 5 seconds. A
light chop on the intracoastal waters. A chance of showers and
thunderstorms in the morning, then showers and thunderstorms
likely in the afternoon.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas 4 to
6 feet, occasionally to 8 feet. Wave Detail: Northeast 5 feet at
12 seconds and southeast 2 feet at 5 seconds. Mostly smooth on
the intracoastal waters. A chance of showers and thunderstorms in
the evening, then a slight chance of showers and thunderstorms
after midnight.
.SUNDAY...Southwest winds 5 to 10 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: Northeast 4 feet at
13 seconds and southeast 2 feet at 5 seconds. A light chop on the
intracoastal waters. A chance of showers and thunderstorms in the
morning, then showers and thunderstorms likely in the afternoon.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: Northeast 4 feet at
14 seconds and southeast 2 feet at 5 seconds. Mostly smooth on
the intracoastal waters. A chance of showers and thunderstorms in
the evening, then a slight chance of showers and thunderstorms
after midnight.
.MONDAY...Southwest winds 5 to 10 knots. Seas 3 to 5 feet,
occasionally to 6 feet. A light chop on the intracoastal waters.
A chance of showers and thunderstorms in the morning, then
showers and thunderstorms likely in the afternoon.
.MONDAY NIGHT...Southwest winds 5 to 10 knots. Seas 3 to 4 feet.
Mostly smooth on the intracoastal waters. A chance of showers and
thunderstorms.
.TUESDAY...Southwest winds around 5 knots, becoming southeast in
the afternoon. Seas 3 to 4 feet. A light chop on the intracoastal
waters. A slight chance of showers and thunderstorms in the
morning, then showers and thunderstorms likely in the afternoon.
.TUESDAY NIGHT...South winds 5 to 10 knots, becoming southwest
after midnight. Seas 3 to 4 feet. Mostly smooth on the
intracoastal waters. Showers and thunderstorms likely in the
evening, then a chance of showers and thunderstorms after
midnight.

Winds and waves higher in and near thunderstorms.

$$

AMZ570-230400-
Flagler Beach to Volusia-Brevard County Line 20-60 nm-
1008 AM EDT Fri Aug 22 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.REST OF TODAY...Southwest winds 5 to 10 knots, becoming around
5 knots late. Seas 5 to 6 feet, occasionally to 8 feet. Wave
Detail: Northeast 6 feet at 12 seconds and north 3 feet at
8 seconds. A chance of showers and thunderstorms early this
morning, then showers and thunderstorms likely this afternoon.
.TONIGHT...Southwest winds around 5 knots. Seas 5 to 6 feet,
occasionally to 8 feet. Wave Detail: Northeast 6 feet at
12 seconds. Showers and thunderstorms likely in the evening, then
a chance of showers and thunderstorms after midnight.
.SATURDAY...Southwest winds 5 to 10 knots. Seas 5 to 6 feet,
occasionally to 8 feet. Wave Detail: Northeast 6 feet at
12 seconds. Showers and thunderstorms likely.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas 5 to
6 feet, occasionally to 8 feet. Wave Detail: Northeast 6 feet at
12 seconds and east 1 foot at 8 seconds. Showers and
thunderstorms likely.
.SUNDAY...Southwest winds around 10 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Wave Detail: Northeast 5 feet at
13 seconds. Showers and thunderstorms likely.
.SUNDAY NIGHT...West winds around 10 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: Northeast 5 feet at
13 seconds and west 2 feet at 4 seconds. Showers and
thunderstorms likely.
.MONDAY...West winds 5 to 10 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Showers and thunderstorms likely.
.MONDAY NIGHT...Southwest winds 5 to 10 knots. Seas 4 to 5 feet,
occasionally to 6 feet. A chance of showers and thunderstorms.
.TUESDAY...West winds 5 to 10 knots, becoming east in the
afternoon. Seas 3 to 5 feet, occasionally to 6 feet. A chance of
showers and thunderstorms.
.TUESDAY NIGHT...South winds around 5 knots, becoming west after
midnight. Seas 3 to 4 feet. Showers and thunderstorms likely.

Winds and seas higher in and near thunderstorms.

$$

AMZ572-230400-
Volusia-Brevard County Line to Sebastian Inlet 20-60 nm-
1008 AM EDT Fri Aug 22 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.REST OF TODAY...West winds 5 to 10 knots. Seas 5 to 6 feet,
occasionally to 8 feet. Wave Detail: Northeast 6 feet at
11 seconds and north 2 feet at 11 seconds. A chance of showers
and thunderstorms early this morning, then showers and
thunderstorms likely this afternoon.
.TONIGHT...Southwest winds 5 to 10 knots. Seas 5 to 6 feet,
occasionally to 8 feet. Wave Detail: Northeast 6 feet at
12 seconds and north 2 feet at 11 seconds. Showers and
thunderstorms likely in the evening, then a chance of showers and
thunderstorms after midnight.
.SATURDAY...Southwest winds 5 to 10 knots. Seas 5 to 6 feet,
occasionally to 8 feet. Wave Detail: Northeast 6 feet at
12 seconds and northwest 2 feet at 11 seconds. Showers and
thunderstorms likely.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas 5 to
6 feet, occasionally to 8 feet. Wave Detail: Northeast 5 feet at
12 seconds and northwest 2 feet at 11 seconds. Showers and
thunderstorms likely in the evening, then a chance of showers and
thunderstorms after midnight.
.SUNDAY...Southwest winds around 10 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: Northeast 5 feet at
13 seconds and northwest 2 feet at 11 seconds. A chance of
showers and thunderstorms in the morning, then showers and
thunderstorms likely in the afternoon.
.SUNDAY NIGHT...Southwest winds around 10 knots. Seas 4 to
5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at
13 seconds and southwest 2 feet at 3 seconds. Showers and
thunderstorms likely in the evening, then a chance of showers and
thunderstorms after midnight.
.MONDAY...Southwest winds 5 to 10 knots. Seas 4 to 5 feet,
occasionally to 6 feet. A chance of showers and thunderstorms in
the morning, then showers and thunderstorms likely in the
afternoon.
.MONDAY NIGHT...Southwest winds 5 to 10 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Showers and thunderstorms likely in the
evening, then a chance of showers and thunderstorms after
midnight.
.TUESDAY...West winds 5 to 10 knots, becoming south in the
afternoon. Seas 3 to 5 feet, occasionally to 6 feet. A chance of
showers and thunderstorms.
.TUESDAY NIGHT...South winds 5 to 10 knots, becoming southwest
after midnight. Seas 3 to 4 feet. Showers and thunderstorms
likely.

Winds and seas higher in and near thunderstorms.

$$

AMZ575-230400-
Sebastian Inlet to Jupiter Inlet 20-60 nm-
1008 AM EDT Fri Aug 22 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.REST OF TODAY...West winds 5 to 10 knots, becoming southwest
late. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail:
Northeast 5 feet at 11 seconds and northwest 2 feet at
10 seconds. A slight chance of showers and thunderstorms early
this morning, then showers and thunderstorms likely this
afternoon.
.TONIGHT...Southwest winds 5 to 10 knots. Seas 6 feet,
occasionally to 8 feet. Wave Detail: Northeast 6 feet at
12 seconds and northwest 2 feet at 11 seconds. Showers and
thunderstorms likely in the evening, then a chance of showers and
thunderstorms after midnight.
.SATURDAY...West winds 5 to 10 knots, becoming southwest in the
afternoon. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail:
Northeast 6 feet at 12 seconds and northwest 2 feet at
11 seconds. A chance of showers and thunderstorms in the morning,
then showers and thunderstorms likely in the afternoon.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas 5 feet,
occasionally to 6 feet. Wave Detail: Northeast 5 feet at
12 seconds and northwest 2 feet at 11 seconds. Showers and
thunderstorms likely in the evening, then a chance of showers and
thunderstorms after midnight.
.SUNDAY...Southwest winds around 10 knots. Seas 5 feet,
occasionally to 6 feet. Wave Detail: Northeast 5 feet at
13 seconds and northwest 2 feet at 11 seconds. A chance of
showers and thunderstorms in the morning, then showers and
thunderstorms likely in the afternoon.
.SUNDAY NIGHT...Southwest winds around 10 knots. Seas 5 feet,
occasionally to 6 feet. Wave Detail: Northeast 5 feet at
13 seconds and southwest 2 feet at 3 seconds. Showers and
thunderstorms likely in the evening, then a chance of showers and
thunderstorms after midnight.
.MONDAY...Southwest winds around 10 knots. Seas 4 to 5 feet,
occasionally to 6 feet. A chance of showers and thunderstorms in
the morning, then showers and thunderstorms likely in the
afternoon.
.MONDAY NIGHT...Southwest winds 5 to 10 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Showers and thunderstorms likely in the
evening, then a chance of showers and thunderstorms after
midnight.
.TUESDAY...West winds 5 to 10 knots, becoming south in the
afternoon. Seas 4 feet. A chance of showers and thunderstorms.
.TUESDAY NIGHT...South winds 5 to 10 knots. Seas 3 to 4 feet.
Showers and thunderstorms likely.

Winds and seas higher in and near thunderstorms.

$$