687
FZUS52 KMLB 151337
CWFMLB

Coastal Waters Forecast for East Central Florida
National Weather Service Melbourne FL
937 AM 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.

AMZ500-160300-
Synopsis for Flagler Beach to Jupiter Inlet out to 60 nm
937 AM 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. Hazardous boating
conditions are expected, and 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.
28 nautical miles east of Port Canaveral.
24 nautical miles east of Sebastian Inlet.
17 nautical miles east of Fort Pierce Inlet.
 9 nautical miles east of Saint Lucie Inlet.

$$

AMZ550-160300-
Flagler Beach to Volusia-Brevard County Line 0-20 nm-
937 AM EDT Tue Sep 15 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE
WEDNESDAY NIGHT...

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

$$

AMZ552-160300-
Volusia-Brevard County Line to Sebastian Inlet 0-20 nm-
937 AM EDT Tue Sep 15 2026

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

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

$$

AMZ555-160300-
Sebastian Inlet to Jupiter Inlet 0-20 nm-
937 AM EDT Tue Sep 15 2026

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

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

Winds and waves higher in and near thunderstorms.

$$

AMZ570-160300-
Flagler Beach to Volusia-Brevard County Line 20-60 nm-
937 AM EDT Tue Sep 15 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE
WEDNESDAY NIGHT...

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

Winds and seas higher in and near thunderstorms.

$$

AMZ572-160300-
Volusia-Brevard County Line to Sebastian Inlet 20-60 nm-
937 AM EDT Tue Sep 15 2026

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

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

Winds and seas higher in and near thunderstorms.

$$

AMZ575-160300-
Sebastian Inlet to Jupiter Inlet 20-60 nm-
937 AM EDT Tue Sep 15 2026

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

.REST OF TODAY...Southeast winds around 5 knots, becoming east
late this morning and afternoon. Seas 2 to 3 feet. Wave Detail:
East 2 feet at 9 seconds and southeast 1 foot at 3 seconds. A
chance of thunderstorms. Showers likely this morning, then a
chance of showers this afternoon.
.TONIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Northeast 4 feet at 6 seconds and northwest 2 feet at
5 seconds. A chance of thunderstorms. A chance of showers in the
evening, then showers likely after midnight.
.WEDNESDAY...Northeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Seas 5 to 7 feet, occasionally to
9 feet. Wave Detail: Northeast 6 feet at 7 seconds and northwest
4 feet at 8 seconds. A chance of thunderstorms. Showers.
.WEDNESDAY NIGHT...Northeast winds 15 to 20 knots, becoming east
10 to 15 knots after midnight. Seas 6 to 7 feet, occasionally to
9 feet. Wave Detail: Northeast 6 feet at 7 seconds and north
5 feet at 8 seconds. Showers likely with a chance of
thunderstorms.
.THURSDAY...East winds 10 to 15 knots. Seas 5 to 6 feet,
occasionally to 8 feet. Wave Detail: Northeast 5 feet at
8 seconds and northwest 4 feet at 8 seconds. Showers with a
chance of thunderstorms.
.THURSDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Seas 4 to 5 feet, occasionally to
6 feet. Wave Detail: Northeast 4 feet at 8 seconds and northwest
3 feet at 7 seconds. A chance of thunderstorms. Showers.
.FRIDAY...East winds 5 to 10 knots. Seas 4 feet. Showers likely
with a chance of thunderstorms.
.FRIDAY NIGHT...Southeast 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...Southeast winds 5 to 10 knots. Seas 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.

Winds and seas higher in and near thunderstorms.

$$