997
FZUS52 KMLB 121919
CWFMLB

Coastal Waters Forecast for East Central Florida
National Weather Service Melbourne FL
319 PM EDT Sat Sep 12 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.

AMZ500-130830-
Synopsis for Flagler Beach to Jupiter Inlet out to 60 nm
319 PM EDT Sat Sep 12 2026

.SYNOPSIS...Weak high pressure will maintain generally favorable
boating conditions through early next week. Scattered showers and
storms are forecast each day, capable of gusty winds and frequent
lightning. A surface high is forecast to expand over the eastern
U.S. into the middle of next week, leading to increasing winds and
seas across the local Atlantic.

.GULF STREAM HAZARDS...None.

The approximate location of the west wall of the Gulf Stream based on
the Real Time Ocean Forecast System as of Saturday, September 12th, 2026.

45 nautical miles east of Ponce Inlet.
32 nautical miles east of Port Canaveral.
24 nautical miles east of Sebastian Inlet.
15 nautical miles east of Fort Pierce Inlet.
 9 nautical miles east of Saint Lucie Inlet.

$$

AMZ550-130830-
Flagler Beach to Volusia-Brevard County Line 0-20 nm-
319 PM EDT Sat Sep 12 2026

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

$$

AMZ552-130830-
Volusia-Brevard County Line to Sebastian Inlet 0-20 nm-
319 PM EDT Sat Sep 12 2026

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

Winds and waves higher in and near thunderstorms.

$$

AMZ555-130830-
Sebastian Inlet to Jupiter Inlet 0-20 nm-
319 PM EDT Sat Sep 12 2026

.TONIGHT...South winds 5 to 10 knots, becoming southwest after
midnight. Seas 1 to 2 feet. Wave Detail: Southeast 1 foot at
3 seconds and northeast 1 foot at 8 seconds. Mostly smooth on the
intracoastal waters. A slight chance of showers and
thunderstorms.
.SUNDAY...West winds around 5 knots, becoming east in the
afternoon. Seas 1 to 2 feet. Wave Detail: Southeast 1 foot at
3 seconds and northeast 1 foot at 8 seconds. Smooth on the
intracoastal waters. A slight chance of showers and thunderstorms
in the morning, then a chance of showers and thunderstorms in the
afternoon.
.SUNDAY NIGHT...South winds around 5 knots, becoming west after
midnight. Seas 1 to 2 feet. Wave Detail: Southeast 1 foot at
3 seconds and northeast 1 foot at 9 seconds. Smooth on the
intracoastal waters.
.MONDAY...Northwest winds around 5 knots, becoming east in the
afternoon. Seas 1 to 2 feet. Wave Detail: Southeast 1 foot at
3 seconds and northeast 1 foot at 9 seconds. Smooth on the
intracoastal waters. A slight chance of showers and thunderstorms
in the morning, then a chance of showers and thunderstorms in the
afternoon.
.MONDAY NIGHT...East winds around 5 knots. Seas 1 to 2 feet. Wave
Detail: Southeast 1 foot at 3 seconds and northeast 1 foot at
9 seconds. Smooth on the intracoastal waters. A slight chance of
showers and thunderstorms.
.TUESDAY...Northeast winds 5 to 10 knots. Seas 1 to 2 feet. Wave
Detail: East 2 feet at 3 seconds and northeast 1 foot at
10 seconds. A light chop on the intracoastal waters. Showers
likely. A chance of thunderstorms in the morning, then
thunderstorms likely in the afternoon.
.TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to
4 feet. A light chop on the intracoastal waters. A chance of
thunderstorms. Showers.
.WEDNESDAY...Northeast winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Choppy on the intracoastal waters.
Showers. A chance of thunderstorms in the morning, then
thunderstorms likely in the afternoon.
.WEDNESDAY NIGHT...East winds 15 to 20 knots, diminishing to
10 to 15 knots after midnight. Seas 4 to 6 feet, occasionally to
8 feet. Choppy on the intracoastal waters. Showers likely with a
chance of thunderstorms.
.THURSDAY...East winds around 10 knots. Seas 3 to 5 feet,
occasionally to 6 feet. A light chop on the intracoastal waters.
Showers likely. A chance of thunderstorms in the morning, then
thunderstorms likely in the afternoon.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to
4 feet. Mostly 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.

$$

AMZ570-130830-
Flagler Beach to Volusia-Brevard County Line 20-60 nm-
319 PM EDT Sat Sep 12 2026

.TONIGHT...South winds 10 to 15 knots, becoming southwest 5 to
10 knots after midnight. Seas 2 to 3 feet. Wave Detail: South
2 feet at 3 seconds and east 2 feet at 9 seconds. A slight chance
of showers and thunderstorms.
.SUNDAY...West winds 5 to 10 knots, becoming southeast in the
afternoon. Seas 2 to 3 feet. Wave Detail: East 2 feet at
9 seconds and south 1 foot at 3 seconds. A slight chance of
showers and thunderstorms in the morning.
.SUNDAY NIGHT...South winds 5 to 10 knots, becoming southwest
after midnight. Seas 2 to 3 feet. Wave Detail: East 2 feet at
9 seconds and southeast 1 foot at 3 seconds. A slight chance of
showers and thunderstorms after midnight.
.MONDAY...Northwest winds around 5 knots, becoming northeast in
the afternoon. Seas 2 to 3 feet. Wave Detail: East 2 feet at
9 seconds and southeast 1 foot at 4 seconds. A slight chance of
showers and thunderstorms.
.MONDAY NIGHT...East winds around 5 knots. Seas 2 to 3 feet. Wave
Detail: East 2 feet at 9 seconds and southeast 1 foot at
4 seconds. A slight chance of showers and thunderstorms.
.TUESDAY...Northeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Seas 3 to 4 feet. Wave Detail:
Northeast 4 feet at 5 seconds and east 4 feet at 9 seconds. A
chance of thunderstorms. A chance of showers in the morning, then
showers likely in the afternoon.
.TUESDAY NIGHT...Northeast winds 15 to 20 knots. Seas 4 to
6 feet, occasionally to 8 feet, building to 6 to 8 feet,
occasionally to 10 feet 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. A chance of showers with a slight chance
of thunderstorms.
.WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas 6 to 8 feet,
occasionally to 10 feet, subsiding to 5 to 6 feet, occasionally
to 8 feet after midnight. A chance of showers with a slight
chance of thunderstorms in the evening, then showers likely with
a chance of thunderstorms after midnight.
.THURSDAY...East winds 10 to 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Showers likely with a chance of
thunderstorms.
.THURSDAY NIGHT...East winds 10 to 15 knots, becoming southeast
5 to 10 knots after midnight. Seas 3 to 5 feet, occasionally to
6 feet. A chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

AMZ572-130830-
Volusia-Brevard County Line to Sebastian Inlet 20-60 nm-
319 PM EDT Sat Sep 12 2026

.TONIGHT...South winds 5 to 10 knots, becoming southwest late.
Seas 2 feet. Wave Detail: East 2 feet at 9 seconds and north
1 foot at 5 seconds. A slight chance of showers and thunderstorms
after midnight.
.SUNDAY...West winds around 5 knots, becoming east in the
afternoon. Seas 2 feet. Wave Detail: East 2 feet at 9 seconds and
north 1 foot at 4 seconds. A slight chance of showers and
thunderstorms in the morning.
.SUNDAY NIGHT...South winds 5 to 10 knots, becoming southwest
after midnight. Seas 2 feet. Wave Detail: East 2 feet at
9 seconds. A slight chance of showers and thunderstorms after
midnight.
.MONDAY...West winds around 5 knots, becoming northeast in the
afternoon. Seas 2 to 3 feet. Wave Detail: East 2 feet at
9 seconds and southeast 1 foot at 3 seconds. A slight chance of
showers and thunderstorms.
.MONDAY NIGHT...East winds around 5 knots. Seas 2 to 3 feet. Wave
Detail: East 2 feet at 9 seconds and northeast 1 foot at
4 seconds. A slight chance of showers and thunderstorms after
midnight.
.TUESDAY...Northeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Seas 3 to 4 feet. Wave Detail:
Northeast 3 feet at 4 seconds and east 2 feet at 9 seconds. A
chance of thunderstorms. A chance of showers in the morning, then
showers likely in the afternoon.
.TUESDAY NIGHT...Northeast winds 15 to 20 knots. Seas 4 to
5 feet, occasionally to 6 feet, building to 5 to 7 feet,
occasionally to 9 feet after midnight. A chance of thunderstorms.
Showers.
.WEDNESDAY...Northeast winds 20 to 25 knots. Seas 6 to 8 feet,
occasionally to 10 feet. Showers likely with a chance of
thunderstorms.
.WEDNESDAY NIGHT...East winds 15 to 20 knots, diminishing to
10 to 15 knots after midnight. Seas 6 to 8 feet, occasionally to
10 feet, subsiding to 5 to 6 feet, occasionally to 8 feet after
midnight. Showers likely with a chance of thunderstorms.
.THURSDAY...East winds 10 to 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Showers likely with a chance of
thunderstorms.
.THURSDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 5 feet,
occasionally to 6 feet. A chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

AMZ575-130830-
Sebastian Inlet to Jupiter Inlet 20-60 nm-
319 PM EDT Sat Sep 12 2026

.TONIGHT...South winds 5 to 10 knots. Seas 1 to 2 feet. Wave
Detail: South 1 foot at 3 seconds and north 1 foot at 5 seconds.
A slight chance of showers and thunderstorms this evening, then a
chance of showers and thunderstorms after midnight.
.SUNDAY...Southwest winds around 5 knots, becoming southeast in
the afternoon. Seas 1 to 2 feet. Wave Detail: South 1 foot at
3 seconds and north 1 foot at 5 seconds. A chance of showers and
thunderstorms.
.SUNDAY NIGHT...South winds around 5 knots, becoming southwest
after midnight. Seas 1 to 2 feet. Wave Detail: South 1 foot at
3 seconds and east 1 foot at 9 seconds. A slight chance of
showers and thunderstorms after midnight.
.MONDAY...West winds around 5 knots, becoming east in the
afternoon. Seas 1 to 2 feet. Wave Detail: Southeast 1 foot at
3 seconds and east 1 foot at 9 seconds. A slight chance of
showers and thunderstorms.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 1 to 2 feet. Wave
Detail: East 1 foot at 3 seconds and east 1 foot at 9 seconds. A
slight chance of showers and thunderstorms in the evening, then a
chance of showers and thunderstorms after midnight.
.TUESDAY...Northeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail:
Northeast 3 feet at 4 seconds and east 1 foot at 9 seconds.
Showers likely. A chance of thunderstorms in the morning, then
thunderstorms likely in the afternoon.
.TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to
5 feet, occasionally to 6 feet. A chance of thunderstorms.
Showers.
.WEDNESDAY...Northeast winds 15 to 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Showers. A chance of thunderstorms in the
morning, then thunderstorms likely in the afternoon.
.WEDNESDAY NIGHT...East winds 15 to 20 knots, diminishing to
10 to 15 knots after midnight. Seas 5 to 7 feet, occasionally to
9 feet. Showers likely with a chance of thunderstorms.
.THURSDAY...East winds around 10 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Showers likely with a chance of
thunderstorms.
.THURSDAY NIGHT...East winds 5 to 10 knots. Seas 4 to 5 feet,
occasionally to 6 feet. A chance of thunderstorms. Showers likely
in the evening, then a chance of showers after midnight.

Winds and seas higher in and near thunderstorms.

$$