183
FZUS52 KMLB 151845
CWFMLB

Coastal Waters Forecast for East Central Florida
National Weather Service Melbourne FL
245 PM EDT Tue Sep 15 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.

AMZ500-160800-
Synopsis for Flagler Beach to Jupiter Inlet out to 60 nm
245 PM EDT Tue Sep 15 2026

.SYNOPSIS...High pressure builds along the eastern seaboard into
mid week. Onshore flow increases late today and especially into
Wednesday, becoming fresh to locally strong. Poor to hazardous
boating conditions are expected into mid week. A Small Craft
Advisory spreads southward across the local Atlantic waters late
tonight into Wednesday. Winds and seas gradually subside late
week, but high rain and storm chances persist.

.GULF STREAM HAZARDS...East-northeast winds increasing 15 to 25
knots late tonight into Wednesday, building seas 6 to 8 feet.

The approximate location of the west wall of the Gulf Stream based on
the Real Time Ocean Forecast System as of Tuesday, September 15th, 2026.

42 nautical miles east of Ponce Inlet.
30 nautical miles east of Port Canaveral.
26 nautical miles east of Sebastian Inlet.
17 nautical miles east of Fort Pierce Inlet.
 9 nautical miles east of Saint Lucie Inlet.

$$

AMZ550-160800-
Flagler Beach to Volusia-Brevard County Line 0-20 nm-
245 PM EDT Tue Sep 15 2026

...SMALL CRAFT SHOULD EXERCISE CAUTION THROUGH THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM EDT THIS EVENING
THROUGH LATE WEDNESDAY NIGHT...

.TONIGHT...East winds 10 to 15 knots, becoming northeast 20 to
25 knots. Seas 3 to 4 feet, building to 5 to 6 feet, occasionally
to 8 feet after midnight. Wave Detail: Northeast 4 feet at
5 seconds and east 1 foot at 9 seconds, becoming northeast 6 feet
at 9 seconds and northeast 5 feet at 5 seconds after midnight.
Rough on the intracoastal waters. A chance of showers. A chance
of thunderstorms this evening, then a slight chance of
thunderstorms after midnight.
.WEDNESDAY...Northeast winds 20 to 25 knots. Seas 6 feet,
occasionally to 8 feet. Wave Detail: Northeast 6 feet at
7 seconds. Rough on the intracoastal waters. A slight chance of
showers in the morning, then a chance of showers with a slight
chance of thunderstorms in the afternoon.
.WEDNESDAY NIGHT...East winds 20 to 25 knots. Seas 6 to 7 feet,
occasionally to 9 feet. Wave Detail: Northeast 7 feet at
7 seconds. Rough on the intracoastal waters. A chance of showers
with a slight chance of thunderstorms.
.THURSDAY...Northeast winds 15 to 20 knots. Seas 5 to 6 feet,
occasionally to 8 feet. Wave Detail: Northeast 6 feet at
8 seconds. Choppy 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...Northeast winds 15 to 20 knots, diminishing to
10 to 15 knots after midnight. Seas 4 to 5 feet, occasionally to
6 feet. Wave Detail: Northeast 5 feet at 7 seconds. Choppy on the
intracoastal waters. A slight chance of showers and
thunderstorms.
.FRIDAY...Northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Northeast 4 feet at 7 seconds. A moderate chop on the
intracoastal waters. A chance of showers and thunderstorms.
.FRIDAY NIGHT...East winds 5 to 10 knots. 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.
.SATURDAY...East winds 5 to 10 knots. 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.
.SATURDAY NIGHT...East winds 5 to 10 knots. 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.
.SUNDAY...East winds 5 to 10 knots. Seas 2 feet. A light chop on
the intracoastal waters. A chance of thunderstorms. A chance of
showers in the morning, then showers likely in the afternoon.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 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.

Winds and waves higher in and near thunderstorms.

$$

AMZ552-160800-
Volusia-Brevard County Line to Sebastian Inlet 0-20 nm-
245 PM EDT Tue Sep 15 2026

...SMALL CRAFT SHOULD EXERCISE CAUTION THROUGH THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT WEDNESDAY THROUGH
LATE WEDNESDAY NIGHT...

.TONIGHT...East winds 10 to 15 knots, becoming northeast 15 to
20 knots after midnight. Seas 3 feet, building to 4 to 6 feet,
occasionally to 8 feet after midnight. Wave Detail: Northeast
3 feet at 5 seconds and east 1 foot at 9 seconds, becoming east
5 feet at 9 seconds and northeast 4 feet at 5 seconds after
midnight. Choppy on the intracoastal waters. A chance of
thunderstorms. A chance of showers this evening, then showers
likely after midnight.
.WEDNESDAY...Northeast winds 15 to 20 knots, increasing to 20 to
25 knots in the afternoon. Seas 5 to 7 feet, occasionally to
9 feet. Wave Detail: Northeast 6 feet at 8 seconds. Rough on the
intracoastal waters. A chance of showers and thunderstorms.
.WEDNESDAY NIGHT...Northeast winds 20 to 25 knots, becoming east
15 to 20 knots after midnight. Seas 5 to 7 feet, occasionally to
9 feet. Wave Detail: Northeast 6 feet at 7 seconds. Rough on the
intracoastal waters. A chance of showers. A slight chance of
thunderstorms in the evening, then a chance of thunderstorms
after midnight.
.THURSDAY...Northeast winds 15 to 20 knots. Seas 5 to 6 feet,
occasionally to 8 feet. Wave Detail: Northeast 6 feet at
8 seconds. Choppy on the intracoastal waters. A chance of
thunderstorms. A chance of showers in the morning, then showers
likely in the afternoon.
.THURSDAY NIGHT...Northeast winds 15 to 20 knots, diminishing to
10 to 15 knots after midnight. Seas 4 to 5 feet, occasionally to
6 feet. Wave Detail: Northeast 5 feet at 8 seconds. Choppy on the
intracoastal waters. A chance of showers and thunderstorms.
.FRIDAY...Northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Northeast 4 feet at 8 seconds and southeast 1 foot at
4 seconds. A moderate chop on the intracoastal waters. A chance
of showers and thunderstorms.
.FRIDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet.
Mostly smooth on the intracoastal waters. A chance of showers and
thunderstorms.
.SATURDAY...East winds 5 to 10 knots. Seas 2 feet. A light chop
on the intracoastal waters. 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. Seas 2 feet. Mostly
smooth on the intracoastal waters. A chance of thunderstorms.
Showers likely in the evening, then a chance of showers after
midnight.
.SUNDAY...East winds 5 to 10 knots. Seas 2 feet. A light chop on
the intracoastal waters. A chance of thunderstorms. A chance of
showers in the morning, then showers likely in the afternoon.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 feet.
Mostly smooth on the intracoastal waters. A chance of showers and
thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

AMZ555-160800-
Sebastian Inlet to Jupiter Inlet 0-20 nm-
245 PM EDT Tue Sep 15 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY AFTERNOON
THROUGH LATE WEDNESDAY NIGHT...

.TONIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 4 seconds and east 1 foot at 9 seconds. A
light chop on the intracoastal waters. A chance of thunderstorms.
A chance of showers this evening, then showers likely after
midnight.
.WEDNESDAY...Northeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Seas 3 to 4 feet, building to 4 to
6 feet, occasionally to 8 feet in the afternoon. Wave Detail:
Northeast 4 feet at 8 seconds and northeast 2 feet at 5 seconds,
becoming northeast 5 feet at 8 seconds in the afternoon. Choppy
on the intracoastal waters. Showers likely with a chance of
thunderstorms.
.WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Wave Detail: Northeast 5 feet at
7 seconds. Choppy on the intracoastal waters. Showers likely with
a chance of thunderstorms.
.THURSDAY...Northeast winds 10 to 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: Northeast 5 feet at
8 seconds. A moderate chop on the intracoastal waters. A chance
of thunderstorms. Showers.
.THURSDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: Northeast 5 feet at
8 seconds. A light chop on the intracoastal waters. A chance of
thunderstorms. Showers.
.FRIDAY...Northeast winds 5 to 10 knots. Seas 3 to 4 feet. Wave
Detail: Northeast 4 feet at 8 seconds and southeast 1 foot at
4 seconds. A light chop on the intracoastal waters. Showers
likely with a chance of thunderstorms.
.FRIDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet.
Mostly smooth on the intracoastal waters. A chance of
thunderstorms. Showers likely in the evening, then a chance of
showers after midnight.
.SATURDAY...East winds 5 to 10 knots. Seas 2 to 3 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.
.SATURDAY NIGHT...Southeast winds around 5 knots. Seas 2 feet.
Smooth on the intracoastal waters. A chance of thunderstorms.
Showers likely in the evening, then a chance of showers after
midnight.
.SUNDAY...East winds 5 to 10 knots. Seas 2 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.
.SUNDAY NIGHT...Southeast winds around 5 knots. Seas 1 to 2 feet.
Smooth on the intracoastal waters. A chance of thunderstorms.
Showers likely in the evening, then a chance of showers after
midnight.

Winds and waves higher in and near thunderstorms.

$$

AMZ570-160800-
Flagler Beach to Volusia-Brevard County Line 20-60 nm-
245 PM EDT Tue Sep 15 2026

...SMALL CRAFT SHOULD EXERCISE CAUTION THROUGH THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM EDT THIS EVENING
THROUGH LATE WEDNESDAY NIGHT...

.TONIGHT...East winds 15 to 20 knots, becoming northeast 20 to
25 knots after midnight. Seas 3 to 5 feet, occasionally to
6 feet, building to 6 to 7 feet, occasionally to 9 feet after
midnight. Wave Detail: Northeast 5 feet at 5 seconds and east
5 feet at 9 seconds, becoming northeast 7 feet at 7 seconds after
midnight. Showers likely with a chance of thunderstorms this
evening, then a chance of showers with a slight chance of
thunderstorms after midnight.
.WEDNESDAY...Northeast winds 20 to 25 knots. Seas 6 to 8 feet,
occasionally to 10 feet. Wave Detail: Northeast 7 feet at
8 seconds and north 3 feet at 7 seconds. A slight chance of
showers in the morning, then a chance of showers with a slight
chance of thunderstorms in the afternoon.
.WEDNESDAY NIGHT...East winds 20 to 25 knots. Seas 6 to 8 feet,
occasionally to 10 feet. Wave Detail: Northeast 8 feet at
8 seconds and north 3 feet at 7 seconds. A chance of showers with
a slight chance of thunderstorms.
.THURSDAY...Northeast winds 15 to 20 knots. Seas 6 to 7 feet,
occasionally to 9 feet. Wave Detail: Northeast 6 feet at
8 seconds and north 3 feet at 7 seconds. A chance of showers and
thunderstorms.
.THURSDAY NIGHT...Northeast winds 10 to 15 knots. Seas 4 to
6 feet, occasionally to 8 feet. Wave Detail: Northeast 5 feet at
7 seconds. A chance of showers and thunderstorms.
.FRIDAY...Northeast winds 10 to 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: Northeast 4 feet at
7 seconds and east 1 foot at 12 seconds. A chance of showers and
thunderstorms.
.FRIDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet. A
chance of showers and thunderstorms.
.SATURDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Showers
likely with a chance of thunderstorms.
.SATURDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet.
Showers likely with a chance of thunderstorms.
.SUNDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Showers
likely with a chance of thunderstorms.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
Showers likely with a chance of thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

AMZ572-160800-
Volusia-Brevard County Line to Sebastian Inlet 20-60 nm-
245 PM EDT Tue Sep 15 2026

...SMALL CRAFT SHOULD EXERCISE CAUTION THROUGH THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT WEDNESDAY THROUGH
LATE WEDNESDAY NIGHT...

.TONIGHT...East winds 15 to 20 knots. Seas 3 to 4 feet, building
to 4 to 6 feet, occasionally to 8 feet after midnight. Wave
Detail: Northeast 4 feet at 5 seconds and east 2 feet at
9 seconds, becoming northeast 6 feet at 9 seconds and northeast
4 feet at 5 seconds after midnight. A chance of thunderstorms. A
chance of showers this evening, then showers likely after
midnight.
.WEDNESDAY...Northeast winds 15 to 20 knots, increasing to 20 to
25 knots in the afternoon. Seas 6 to 8 feet, occasionally to
10 feet. Wave Detail: Northeast 7 feet at 7 seconds and northwest
4 feet at 8 seconds. A chance of showers and thunderstorms.
.WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas 6 to 8 feet,
occasionally to 10 feet. Wave Detail: Northeast 7 feet at
7 seconds and north 4 feet at 8 seconds. A chance of showers and
thunderstorms.
.THURSDAY...Northeast winds 15 to 20 knots. Seas 6 to 7 feet,
occasionally to 9 feet. Wave Detail: Northeast 6 feet at
8 seconds and north 3 feet at 8 seconds. A chance of
thunderstorms. A chance of showers in the morning, then showers
likely in the afternoon.
.THURSDAY NIGHT...Northeast winds 15 to 20 knots, becoming east
10 to 15 knots after midnight. Seas 4 to 6 feet, occasionally to
8 feet. Wave Detail: North 6 feet at 7 seconds. A chance of
thunderstorms. A chance of showers in the evening, then showers
likely after midnight.
.FRIDAY...Northeast winds 10 to 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: Northeast 4 feet at
7 seconds. A chance of thunderstorms. Showers likely in the
morning, then a chance of showers in the afternoon.
.FRIDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet.
Showers likely with a chance of thunderstorms.
.SATURDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Showers
likely with a chance of thunderstorms.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to
3 feet. Showers likely with a chance of thunderstorms.
.SUNDAY...East winds 5 to 10 knots. Seas 2 feet. Showers likely
with a chance of thunderstorms.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
Showers likely with a chance of thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

AMZ575-160800-
Sebastian Inlet to Jupiter Inlet 20-60 nm-
245 PM EDT Tue Sep 15 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY AFTERNOON
THROUGH LATE WEDNESDAY NIGHT...

.TONIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Northeast 3 feet at 4 seconds and east 1 foot at
9 seconds. A chance of thunderstorms. A chance of showers this
evening, then showers likely after midnight.
.WEDNESDAY...Northeast winds 15 to 20 knots. Seas 3 to 5 feet,
occasionally to 6 feet, building to 5 to 7 feet, occasionally to
9 feet in the afternoon. Wave Detail: Northeast 4 feet at
9 seconds and north 3 feet at 6 seconds, becoming northeast
6 feet at 7 seconds and north 3 feet at 8 seconds in the
afternoon. Showers likely with a chance of thunderstorms.
.WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas 6 to 7 feet,
occasionally to 9 feet. Wave Detail: Northeast 6 feet at
7 seconds and north 4 feet at 8 seconds. Showers likely with a
chance of thunderstorms.
.THURSDAY...Northeast winds around 15 knots. Seas 5 to 6 feet,
occasionally to 8 feet. Wave Detail: Northeast 5 feet at
8 seconds and north 4 feet at 8 seconds. A chance of
thunderstorms. Showers.
.THURSDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Seas 5 to 6 feet, occasionally to
8 feet. Wave Detail: Northeast 5 feet at 8 seconds and north
3 feet at 7 seconds. Showers with a chance of thunderstorms.
.FRIDAY...East winds around 10 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: North 4 feet at 7 seconds
and south 1 foot at 4 seconds. Showers likely with a chance of
thunderstorms.
.FRIDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet.
Showers likely. Thunderstorms likely in the evening, then a
chance of thunderstorms after midnight.
.SATURDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Showers
likely with a chance of thunderstorms.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to
3 feet. Showers likely with a chance of thunderstorms.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 2 feet. Showers
likely with a chance of thunderstorms.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 feet.
Showers likely with a chance of thunderstorms.

Winds and seas higher in and near thunderstorms.

$$