706
FZUS52 KMLB 170655
CWFMLB

Coastal Waters Forecast for East Central Florida
National Weather Service Melbourne FL
255 AM EDT Thu Sep 17 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.

AMZ500-171930-
Synopsis for Flagler Beach to Jupiter Inlet out to 60 nm
255 AM EDT Thu Sep 17 2026

.SYNOPSIS...High pressure along the eastern seaboard shifts
gradually southward through late week. A fresh onshore breeze
will continue poor to hazardous boating conditions across the
local waters today. Winds and seas then subside late week into the
weekend, but shower and storm chances increase.

.GULF STREAM HAZARDS...Northeast winds 15 to 20 knots, with seas
of 6 to 7 feet.

The approximate location of the west wall of the Gulf Stream based on
the Real Time Ocean Forecast System as of Thursday, September 17th, 2026.

44 nautical miles east of Ponce Inlet.
33 nautical miles east of Port Canaveral.
26 nautical miles east of Sebastian Inlet.
17 nautical miles east of Fort Pierce Inlet.
10 nautical miles east of Saint Lucie Inlet.

$$

AMZ550-171930-
Flagler Beach to Volusia-Brevard County Line 0-20 nm-
255 AM EDT Thu Sep 17 2026

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...Northeast winds 15 to 20 knots. Seas 5 to 6 feet,
occasionally to 7 feet. Wave Detail: Northeast 5 feet at 7
seconds. Choppy on the intracoastal waters. A slight chance of
showers. A slight chance of thunderstorms this afternoon.
.TONIGHT...Northeast winds 10 to 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: Northeast 5 feet at
7 seconds. A light chop 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. A slight chance of
thunderstorms in the morning, then a chance of thunderstorms in
the afternoon.
.FRIDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Northeast 3 feet at 7 seconds. 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...Northeast winds 5 to 10 knots. Seas 2 feet. Wave
Detail: Northeast 2 feet at 7 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.
.SATURDAY NIGHT...East winds 5 to 10 knots. Seas 2 feet. Wave
Detail: East 2 feet at 8 seconds and east 1 foot at 11 seconds.
Mostly smooth on the intracoastal waters. A chance of showers and
thunderstorms.
.SUNDAY...East winds 5 to 10 knots. Seas 2 feet. A light chop on
the intracoastal waters. Showers likely with a chance of
thunderstorms.
.SUNDAY NIGHT...Southeast winds around 5 knots, becoming south
after midnight. Seas 2 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.
.MONDAY...Southeast 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.
.MONDAY 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.

$$

AMZ552-171930-
Volusia-Brevard County Line to Sebastian Inlet 0-20 nm-
255 AM EDT Thu Sep 17 2026

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...Northeast winds 15 to 20 knots. Seas 5 to 6 feet,
occasionally to 7 feet. Wave Detail: Northeast 5 feet at
8 seconds. Choppy on the intracoastal waters. A slight chance of
showers this morning, then a chance of showers and thunderstorms
this afternoon.
.TONIGHT...Northeast winds 10 to 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: Northeast 5 feet at
7 seconds. A light chop 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 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. Wave
Detail: Northeast 3 feet at 7 seconds. Mostly smooth on the
intracoastal waters. A chance of showers and thunderstorms.
.SATURDAY...East winds 5 to 10 knots. Seas 2 feet. Wave Detail:
East 2 feet at 7 seconds. A light chop on the intracoastal
waters. A chance of showers and thunderstorms.
.SATURDAY NIGHT...East winds 5 to 10 knots, becoming southeast
after midnight. Seas 2 feet. Wave Detail: Northeast 2 feet at
7 seconds. 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. Showers likely. A chance of
thunderstorms in the morning, then thunderstorms likely in the
afternoon.
.SUNDAY NIGHT...Southeast winds around 5 knots, becoming south
after midnight. Seas 2 feet. Smooth on the intracoastal waters. A
chance of showers and thunderstorms.
.MONDAY...South winds around 5 knots, becoming southeast in the
afternoon. 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.
.MONDAY 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.

$$

AMZ555-171930-
Sebastian Inlet to Jupiter Inlet 0-20 nm-
255 AM EDT Thu Sep 17 2026

...SMALL CRAFT SHOULD EXERCISE CAUTION...

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

Winds and waves higher in and near thunderstorms.

$$

AMZ570-171930-
Flagler Beach to Volusia-Brevard County Line 20-60 nm-
255 AM EDT Thu Sep 17 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING...

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

$$

AMZ572-171930-
Volusia-Brevard County Line to Sebastian Inlet 20-60 nm-
255 AM EDT Thu Sep 17 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING...

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

$$

AMZ575-171930-
Sebastian Inlet to Jupiter Inlet 20-60 nm-
255 AM EDT Thu Sep 17 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING...

.TODAY...Northeast winds around 15 knots. Seas 5 to 6 feet,
occasionally to 8 feet. Wave Detail: North 5 feet at 7 seconds
and south 1 foot at 4 seconds. A chance of showers and
thunderstorms.
.TONIGHT...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: North 4 feet at 7 seconds and south 1 foot
at 4 seconds. A chance of showers and thunderstorms.
.FRIDAY...East winds 5 to 10 knots. Seas 3 to 4 feet. Wave
Detail: North 4 feet at 7 seconds and south 1 foot at 4 seconds.
A chance of showers and thunderstorms.
.FRIDAY NIGHT...East winds 5 to 10 knots. Seas 3 feet. Wave
Detail: North 3 feet at 7 seconds and south 1 foot at 4 seconds.
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. Wave
Detail: Northeast 2 feet at 7 seconds and south 1 foot at
4 seconds. Showers likely with a chance of thunderstorms.
.SATURDAY NIGHT...East winds 5 to 10 knots, becoming south after
midnight. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at
7 seconds and south 1 foot at 4 seconds. Showers likely.
Thunderstorms likely in the evening, then a chance of
thunderstorms after midnight.
.SUNDAY...Southeast winds around 5 knots. Seas 2 feet. Showers
likely. A chance of thunderstorms in the morning, then
thunderstorms likely in the afternoon.
.SUNDAY NIGHT...South winds around 5 knots. Seas 2 feet. Showers
likely with a chance of thunderstorms.
.MONDAY...South winds around 5 knots, becoming southeast in the
afternoon. Seas 2 feet. A chance of thunderstorms. Showers likely
in the morning, then a chance of showers in the afternoon.
.MONDAY 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.

$$