Coastal Waters Forecast
Issued by NWS Melbourne, FL

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792
FZUS52 KMLB 221903
CWFMLB

Coastal Waters Forecast for East Central Florida
National Weather Service Melbourne FL
303 PM EDT Mon Sep 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.

ANZ500-230730-
Synopsis for Flagler Beach to Jupiter Inlet out to 60 nm
303 PM EDT Mon Sep 22 2025

.SYNOPSIS...While wind speeds gradually diminish this week, an
incoming long-period swell will keep seas elevated through at
least Tuesday and produce hazardous conditions near inlets during
the outgoing tide. Shower and storm chances increase through Tuesday,
as deeper moisture builds northward over the local waters.

.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 Monday, September 22nd, 2025.

48 nautical miles east of Ponce Inlet.
34 nautical miles east of Port Canaveral.
28 nautical miles east of Sebastian Inlet.
21 nautical miles east of Fort Pierce Inlet.
15 nautical miles east of Saint Lucie Inlet.

$$

AMZ550-230730-
Flagler Beach to Volusia-Brevard County Line 0-20 nm-
303 PM EDT Mon Sep 22 2025

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

.TONIGHT...East winds 5 to 10 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: East 4 feet at 12 seconds
and northeast 2 feet at 7 seconds. Mostly smooth on the
intracoastal waters. A slight chance of showers and thunderstorms
after midnight.
.TUESDAY...Northeast winds 5 to 10 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: East 4 feet at 13 seconds
and northeast 2 feet at 8 seconds. A light chop on the
intracoastal waters. A chance of showers and thunderstorms.
.TUESDAY NIGHT...East winds around 5 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: East 4 feet at 12 seconds
and northeast 2 feet at 8 seconds. Smooth on the intracoastal
waters. A slight chance of showers and thunderstorms after
midnight.
.WEDNESDAY...Northeast winds around 5 knots, becoming east in the
afternoon. Seas 3 to 4 feet. Wave Detail: East 4 feet at
11 seconds and southeast 1 foot at 5 seconds. A light chop on the
intracoastal waters. A slight chance of showers and thunderstorms
in the morning, then a chance of showers and thunderstorms in the
afternoon.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
after midnight. Seas 2 to 3 feet. Wave Detail: East 3 feet at
10 seconds. Mostly smooth on the intracoastal waters. A slight
chance of thunderstorms in the evening. A slight chance of
showers.
.THURSDAY...Southwest winds around 5 knots, becoming southeast in
the afternoon. Seas 2 to 3 feet. Wave Detail: East 3 feet at
9 seconds. A light chop on the intracoastal waters. A slight
chance of showers and thunderstorms in the morning, then a chance
of showers and thunderstorms in the afternoon.
.THURSDAY NIGHT...South winds around 10 knots, becoming southwest
after midnight. Seas 2 to 3 feet. Mostly smooth on the
intracoastal waters. A chance of showers. A chance of
thunderstorms in the evening, then a slight chance of
thunderstorms after midnight.
.FRIDAY...Southwest winds 5 to 10 knots, becoming southeast in
the afternoon. Seas 2 feet. A light chop on the intracoastal
waters. A slight chance of showers in the morning, then a chance
of showers and thunderstorms in the afternoon.
.FRIDAY NIGHT...South winds 5 to 10 knots, becoming southwest
after midnight. Seas 2 feet. Mostly smooth on the intracoastal
waters. Showers likely with a chance of thunderstorms in the
evening, then a chance of showers with a slight chance of
thunderstorms after midnight.
.SATURDAY...Northwest winds 5 to 10 knots, becoming northeast in
the afternoon. Seas 2 to 3 feet. A light chop on the intracoastal
waters. A chance of showers. A slight chance of thunderstorms in
the morning, then a chance of thunderstorms in the afternoon.
.SATURDAY NIGHT...Northeast winds 5 to 10 knots, becoming north
after midnight. Seas 2 to 3 feet. Mostly smooth on the
intracoastal waters. A slight chance of thunderstorms in the
evening. A chance of showers.

Winds and waves higher in and near thunderstorms.

$$

AMZ552-230730-
Volusia-Brevard County Line to Sebastian Inlet 0-20 nm-
303 PM EDT Mon Sep 22 2025

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

.TONIGHT...East winds 5 to 10 knots, becoming southeast late.
Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East
4 feet at 12 seconds and northeast 2 feet at 7 seconds. Mostly
smooth on the intracoastal waters. A slight chance of showers and
thunderstorms this evening, then a chance of showers and
thunderstorms after midnight.
.TUESDAY...Northeast winds around 5 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: East 4 feet at 13 seconds
and northeast 2 feet at 8 seconds. Smooth on the intracoastal
waters. A chance of showers and thunderstorms.
.TUESDAY NIGHT...East winds around 5 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: East 4 feet at 12 seconds
and northeast 2 feet at 8 seconds. Smooth on the intracoastal
waters. A slight chance of thunderstorms. A slight chance of
showers in the evening, then a chance of showers after midnight.
.WEDNESDAY...East winds 5 to 10 knots. Seas 3 to 4 feet. Wave
Detail: East 4 feet at 11 seconds and east 1 foot at 5 seconds. A
light chop on the intracoastal waters. A chance of showers and
thunderstorms.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
after midnight. Seas 3 feet. Wave Detail: East 3 feet at
10 seconds and east 1 foot 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.
.THURSDAY...South winds around 5 knots, becoming east in the
afternoon. Seas 2 to 3 feet. Wave Detail: East 3 feet at
10 seconds and east 1 foot at 5 seconds. A light chop on the
intracoastal waters. A chance of showers. A slight chance of
thunderstorms in the morning, then a chance of thunderstorms in
the afternoon.
.THURSDAY NIGHT...South winds 5 to 10 knots, becoming southwest
after midnight. Seas 2 to 3 feet. Mostly smooth on the
intracoastal waters. A chance of showers. A chance of
thunderstorms in the evening, then a slight chance of
thunderstorms after midnight.
.FRIDAY...Southwest winds around 5 knots, becoming southeast in
the afternoon. Seas 2 feet. A light chop on the intracoastal
waters. A slight chance of showers and thunderstorms in the
morning, then a chance of showers and thunderstorms in the
afternoon.
.FRIDAY NIGHT...South winds 5 to 10 knots, becoming southwest
after midnight. Seas 2 feet. Mostly smooth on the intracoastal
waters. Showers likely with a chance of thunderstorms in the
evening, then a chance of showers with a slight chance of
thunderstorms after midnight.
.SATURDAY...Northwest winds around 5 knots, becoming northeast in
the afternoon. Seas 2 to 3 feet. A light chop on the intracoastal
waters. A chance of showers. A slight chance of thunderstorms in
the morning, then a chance of thunderstorms in the afternoon.
.SATURDAY NIGHT...Northeast winds 5 to 10 knots, becoming
northwest after midnight. Seas 3 to 4 feet. Mostly smooth on the
intracoastal waters. A slight chance of thunderstorms in the
evening. A chance of showers.

Winds and waves higher in and near thunderstorms.

$$

AMZ555-230730-
Sebastian Inlet to Jupiter Inlet 0-20 nm-
303 PM EDT Mon Sep 22 2025

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

.TONIGHT...East winds around 5 knots, becoming south after
midnight. Seas 3 to 4 feet. Wave Detail: East 3 feet at
12 seconds and northeast 2 feet at 7 seconds. Smooth on the
intracoastal waters. A chance of showers and thunderstorms.
.TUESDAY...East winds around 5 knots. Seas 3 to 4 feet. Wave
Detail: East 3 feet at 13 seconds and northeast 2 feet at
8 seconds. Smooth on the intracoastal waters. A chance of showers
and thunderstorms in the morning, then showers and thunderstorms
likely in the afternoon.
.TUESDAY NIGHT...East winds around 5 knots. Seas 3 to 4 feet.
Wave Detail: East 3 feet at 12 seconds and northeast 2 feet at
8 seconds. Smooth on the intracoastal waters. A chance of
showers. A chance of thunderstorms in the evening, then a slight
chance of thunderstorms after midnight.
.WEDNESDAY...East winds 5 to 10 knots. Seas 3 feet. Wave Detail:
East 3 feet at 11 seconds and northeast 2 feet at 7 seconds. A
light chop on the intracoastal waters. A chance of showers and
thunderstorms.
.WEDNESDAY NIGHT...Southeast winds around 5 knots. Seas 2 to
3 feet. Wave Detail: Northeast 3 feet at 10 seconds and east
1 foot at 3 seconds. Smooth on the intracoastal waters. A chance
of showers. A chance of thunderstorms in the evening, then a
slight chance of thunderstorms after midnight.
.THURSDAY...East winds around 5 knots. Seas 2 to 3 feet. Wave
Detail: Northeast 2 feet at 10 seconds and southeast 1 foot at
3 seconds. Smooth on the intracoastal waters. A chance of showers
and thunderstorms.
.THURSDAY NIGHT...Southeast winds around 5 knots, becoming
southwest after midnight. Seas 2 to 3 feet. Smooth on the
intracoastal waters. A chance of showers. A chance of
thunderstorms in the evening, then a slight chance of
thunderstorms after midnight.
.FRIDAY...Southwest winds around 5 knots, becoming east in the
afternoon. Seas 2 feet. A light chop on the intracoastal waters.
A chance of showers. A slight chance of thunderstorms in the
morning, then a chance of thunderstorms in the afternoon.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots, becoming southwest
after midnight. Seas 2 feet. Mostly smooth on the intracoastal
waters. Showers likely with a chance of thunderstorms in the
evening, then a chance of showers with a slight chance of
thunderstorms after midnight.
.SATURDAY...Northwest winds around 5 knots, becoming northeast in
the afternoon. Seas 2 feet. A light chop on the intracoastal
waters. A slight chance of showers and thunderstorms in the
morning, then showers likely with a chance of thunderstorms in
the afternoon.
.SATURDAY NIGHT...Northeast winds around 5 knots, becoming
northwest after midnight. Seas 2 to 3 feet. Smooth on the
intracoastal waters. A chance of showers. A chance of
thunderstorms in the evening, then a slight chance of
thunderstorms after midnight.

Winds and waves higher in and near thunderstorms.

$$

AMZ570-230730-
Flagler Beach to Volusia-Brevard County Line 20-60 nm-
303 PM EDT Mon Sep 22 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TONIGHT...East winds 5 to 10 knots. Seas 5 to 6 feet,
occasionally to 8 feet. Wave Detail: East 5 feet at 12 seconds
and northeast 3 feet at 7 seconds. A slight chance of showers and
thunderstorms this evening, then a chance of showers and
thunderstorms after midnight.
.TUESDAY...Northeast winds around 5 knots. Seas 5 to 6 feet,
occasionally to 8 feet. Wave Detail: East 5 feet at 13 seconds
and northeast 3 feet at 8 seconds. A chance of showers and
thunderstorms.
.TUESDAY NIGHT...Southeast winds around 5 knots. Seas 4 to
6 feet, occasionally to 8 feet. Wave Detail: East 5 feet at
12 seconds and northeast 2 feet at 8 seconds. A slight chance of
showers and thunderstorms in the evening, then a chance of
showers and thunderstorms after midnight.
.WEDNESDAY...East winds 5 to 10 knots. Seas 3 to 4 feet. Wave
Detail: East 4 feet at 11 seconds. A chance of showers and
thunderstorms.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
after midnight. Seas 3 to 4 feet. Wave Detail: East 3 feet at
10 seconds. A slight chance of thunderstorms. A slight chance of
showers in the evening, then a chance of showers after midnight.
.THURSDAY...South winds around 5 knots, becoming southeast in the
afternoon. Seas 3 feet. Wave Detail: East 3 feet at 9 seconds and
north 1 foot at 7 seconds. A slight chance of thunderstorms. A
chance of showers in the morning, then a slight chance of showers
in the afternoon.
.THURSDAY NIGHT...South winds around 10 knots, becoming southwest
after midnight. Seas 3 feet. A chance of thunderstorms. A chance
of showers in the evening, then showers likely after midnight.
.FRIDAY...West winds 5 to 10 knots, becoming south in the
afternoon. Seas 2 to 3 feet. A chance of showers. A slight chance
of thunderstorms in the morning, then a chance of thunderstorms
in the afternoon.
.FRIDAY NIGHT...South winds around 10 knots, becoming southwest
after midnight. Seas 2 to 3 feet. Showers likely with a chance of
thunderstorms.
.SATURDAY...Northwest winds 5 to 10 knots, becoming north in the
afternoon. Seas 3 to 4 feet. A chance of thunderstorms. A chance
of showers in the morning, then showers likely in the afternoon.
.SATURDAY NIGHT...East winds 5 to 10 knots, becoming northeast
after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Showers
likely. A chance of thunderstorms in the evening, then a slight
chance of thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

AMZ572-230730-
Volusia-Brevard County Line to Sebastian Inlet 20-60 nm-
303 PM EDT Mon Sep 22 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TONIGHT...East winds 5 to 10 knots, becoming southeast late.
Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East
4 feet at 12 seconds and north 2 feet at 7 seconds. A chance of
showers and thunderstorms.
.TUESDAY...East winds around 5 knots. Seas 5 to 6 feet,
occasionally to 8 feet. Wave Detail: East 5 feet at 13 seconds
and southeast 2 feet at 6 seconds. A chance of showers and
thunderstorms.
.TUESDAY NIGHT...East winds around 5 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Wave Detail: East 5 feet at 12 seconds
and southeast 2 feet at 6 seconds. A chance of showers and
thunderstorms.
.WEDNESDAY...East winds 5 to 10 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: East 4 feet at 11 seconds
and north 2 feet at 7 seconds. A chance of showers and
thunderstorms.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to
4 feet. Wave Detail: East 3 feet at 10 seconds and southeast
1 foot at 5 seconds. A chance of showers. A chance of
thunderstorms in the evening, then a slight chance of
thunderstorms after midnight.
.THURSDAY...South winds around 5 knots, becoming southeast in the
afternoon. Seas 3 to 4 feet. Wave Detail: East 3 feet at
10 seconds and southeast 1 foot at 5 seconds. A chance of
showers. A slight chance of thunderstorms in the morning, then a
chance of thunderstorms in the afternoon.
.THURSDAY NIGHT...Southeast winds around 10 knots, becoming
southwest after midnight. Seas 3 feet. A chance of thunderstorms.
A chance of showers in the evening, then showers likely after
midnight.
.FRIDAY...West winds 5 to 10 knots, becoming southeast in the
afternoon. Seas 2 to 3 feet. A chance of showers. A slight chance
of thunderstorms in the morning, then a chance of thunderstorms
in the afternoon.
.FRIDAY NIGHT...Southeast winds around 10 knots, becoming
southwest after midnight. Seas 2 to 3 feet. Showers likely with a
chance of thunderstorms.
.SATURDAY...Northwest winds 5 to 10 knots, becoming north in the
afternoon. Seas 3 feet. A chance of showers with a slight chance
of thunderstorms in the morning, then showers likely with a
chance of thunderstorms in the afternoon.
.SATURDAY NIGHT...Northeast winds 5 to 10 knots, becoming north
after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Showers
likely. A chance of thunderstorms in the evening, then a slight
chance of thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

AMZ575-230730-
Sebastian Inlet to Jupiter Inlet 20-60 nm-
303 PM EDT Mon Sep 22 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TONIGHT...East winds 5 to 10 knots, becoming southeast after
midnight. Seas 4 to 6 feet, occasionally to 7 feet. Wave Detail:
East 4 feet at 12 seconds and northeast 3 feet at 7 seconds. A
chance of showers and thunderstorms.
.TUESDAY...East winds around 5 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Wave Detail: East 4 feet at 13 seconds
and north 3 feet at 7 seconds. A chance of thunderstorms. A
chance of showers in the morning, then showers likely in the
afternoon.
.TUESDAY NIGHT...East winds around 5 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: East 4 feet at 12 seconds
and southeast 2 feet at 4 seconds. A chance of showers and
thunderstorms.
.WEDNESDAY...East winds 5 to 10 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: East 3 feet at 11 seconds
and southeast 2 feet at 4 seconds. A chance of showers and
thunderstorms.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet.
Wave Detail: Northeast 3 feet at 10 seconds and southeast 2 feet
at 4 seconds. A chance of showers. A chance of thunderstorms in
the evening, then a slight chance of thunderstorms after
midnight.
.THURSDAY...East winds around 5 knots. Seas 3 to 4 feet. Wave
Detail: Northeast 3 feet at 10 seconds and southeast 2 feet at
4 seconds. A chance of showers and thunderstorms.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
after midnight. Seas 2 to 3 feet. A chance of thunderstorms. A
chance of showers in the evening, then showers likely after
midnight.
.FRIDAY...Southwest winds around 5 knots, becoming southeast in
the afternoon. Seas 2 to 3 feet. A chance of showers. A slight
chance of thunderstorms in the morning, then a chance of
thunderstorms in the afternoon.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
after midnight. Seas 2 to 3 feet. A chance of thunderstorms.
Showers likely in the evening, then a chance of showers after
midnight.
.SATURDAY...Northwest winds 5 to 10 knots, becoming north in the
afternoon. Seas 2 to 3 feet. A chance of showers with a slight
chance of thunderstorms in the morning, then showers likely with
a chance of thunderstorms in the afternoon.
.SATURDAY NIGHT...Northeast winds 5 to 10 knots, becoming north
after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Showers
likely. A chance of thunderstorms in the evening, then a slight
chance of thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$