662
FZUS52 KMLB 211302
CWFMLB

Coastal Waters Forecast for East Central Florida
National Weather Service Melbourne FL
902 AM EDT Mon Sep 21 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.

AMZ500-220215-
Synopsis for Flagler Beach to Jupiter Inlet out to 60 nm
902 AM EDT Mon Sep 21 2026

.SYNOPSIS...Weak onshore flow will continue the next few days,
with scattered to numerous showers and storms. The highest
coverage is generally forecast during the overnight and morning
hours. Later in the week, a frontal passage will increase north-
northeast winds and build seas, creating hazardous conditions,
especially in the Gulf Stream.

.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 Monday, September 21st, 2026.

42 nautical miles east of Ponce Inlet.
28 nautical miles east of Port Canaveral.
24 nautical miles east of Sebastian Inlet.
16 nautical miles east of Fort Pierce Inlet.
 9 nautical miles east of Saint Lucie Inlet.

$$

AMZ550-220215-
Flagler Beach to Volusia-Brevard County Line 0-20 nm-
902 AM EDT Mon Sep 21 2026

.REST OF TODAY...North winds around 5 knots, becoming northeast
this afternoon. Seas 2 feet. Wave Detail: Northeast 2 feet at
8 seconds and southeast 1 foot at 4 seconds. A light chop on the
intracoastal waters. A slight chance of thunderstorms. A chance
of showers this morning, then a slight chance of showers this
afternoon.
.TONIGHT...Southeast winds around 5 knots, becoming southwest
after midnight. Seas 2 feet. Wave Detail: Northeast 2 feet at
8 seconds and southeast 1 foot at 4 seconds. Smooth on the
intracoastal waters. A slight chance of showers and
thunderstorms.
.TUESDAY...North winds around 5 knots, becoming east in the
afternoon. Seas 2 feet. Wave Detail: Northeast 2 feet at
8 seconds and southeast 1 foot at 4 seconds. A light chop on the
intracoastal waters. A slight chance of showers and
thunderstorms.
.TUESDAY NIGHT...Southeast winds around 5 knots, becoming
southwest after midnight. Seas 2 feet. Wave Detail: East 2 feet
at 8 seconds and southeast 1 foot at 4 seconds. Smooth on the
intracoastal waters. A slight chance of showers and thunderstorms
in the evening, then a chance of showers after midnight.
.WEDNESDAY...North winds 5 to 10 knots, becoming northeast in the
afternoon. Seas 2 feet. Wave Detail: East 2 feet at 8 seconds and
northeast 1 foot at 3 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.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 knots. Seas 2 feet.
Wave Detail: Northeast 2 feet at 8 seconds and east 1 foot at
4 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.
.THURSDAY...North winds 15 to 20 knots, increasing to 20 to
25 knots in the afternoon. Seas 3 to 4 feet, building to 5 to
7 feet, occasionally to 9 feet in the afternoon. Rough on the
intracoastal waters. Showers likely. A slight chance of
thunderstorms in the morning, then a chance of thunderstorms in
the afternoon.
.THURSDAY NIGHT...North winds 20 to 25 knots. Seas 7 to 8 feet,
occasionally to 10 feet. Rough on the intracoastal waters. A
slight chance of thunderstorms in the evening. A chance of
showers.
.FRIDAY...North winds 20 to 25 knots. Seas 7 to 9 feet,
occasionally to 11 feet. Rough on the intracoastal waters. A
chance of showers. A slight chance of thunderstorms in the
afternoon.
.FRIDAY NIGHT...Northeast winds 20 to 25 knots, becoming north
around 15 knots after midnight. Seas 6 to 8 feet, occasionally to
10 feet. Rough on the intracoastal waters. A slight chance of
showers in the evening.

Winds and waves higher in and near thunderstorms.

$$

AMZ552-220215-
Volusia-Brevard County Line to Sebastian Inlet 0-20 nm-
902 AM EDT Mon Sep 21 2026

.REST OF TODAY...North winds around 5 knots, becoming northeast
this afternoon. Seas 2 feet. Wave Detail: Northeast 2 feet at
8 seconds and southeast 1 foot at 3 seconds. Smooth on the
intracoastal waters. A chance of showers and thunderstorms.
.TONIGHT...Southeast winds around 5 knots, becoming southwest
after midnight. Seas 2 feet. Wave Detail: Northeast 2 feet at
8 seconds and southeast 1 foot at 4 seconds. Smooth on the
intracoastal waters. A slight chance of showers and
thunderstorms.
.TUESDAY...Southwest winds around 5 knots, becoming east in the
afternoon. Seas 2 feet. Wave Detail: Northeast 2 feet at
8 seconds and southeast 1 foot at 4 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.
.TUESDAY NIGHT...Southeast winds around 5 knots, becoming
southwest after midnight. Seas 2 feet. Wave Detail: Northeast
2 feet at 8 seconds and southeast 1 foot at 4 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...Northwest winds around 5 knots, becoming northeast
in the afternoon. Seas 2 feet. Wave Detail: Northeast 2 feet at
8 seconds and southeast 1 foot at 4 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.
.WEDNESDAY NIGHT...East winds around 5 knots, becoming north
after midnight. Seas 2 feet. Wave Detail: Northeast 2 feet at
8 seconds and southeast 1 foot at 4 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.
.THURSDAY...North winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Seas 2 to 3 feet, building to 3 to
5 feet, occasionally to 6 feet in the afternoon. Choppy on the
intracoastal waters. A chance of thunderstorms. A chance of
showers in the morning, then showers likely in the afternoon.
.THURSDAY NIGHT...North winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Choppy on the intracoastal waters. A
chance of showers and thunderstorms in the evening, then a slight
chance of showers and thunderstorms after midnight.
.FRIDAY...North winds 15 to 20 knots, increasing to 20 to
25 knots in the afternoon. Seas 6 to 8 feet, occasionally to
10 feet. Rough 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...North winds 15 to 20 knots. Seas 6 to 7 feet,
occasionally to 9 feet. Choppy on the intracoastal waters. A
chance of showers in the evening.

Winds and waves higher in and near thunderstorms.

$$

AMZ555-220215-
Sebastian Inlet to Jupiter Inlet 0-20 nm-
902 AM EDT Mon Sep 21 2026

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

Winds and waves higher in and near thunderstorms.

$$

AMZ570-220215-
Flagler Beach to Volusia-Brevard County Line 20-60 nm-
902 AM EDT Mon Sep 21 2026

.REST OF TODAY...North winds around 5 knots, becoming east late.
Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 8 seconds and
southeast 1 foot at 4 seconds. A chance of showers and
thunderstorms this morning, then a slight chance of showers and
thunderstorms this afternoon.
.TONIGHT...Southeast winds 5 to 10 knots, becoming southwest
after midnight. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet
at 8 seconds and southeast 1 foot at 4 seconds. A chance of
showers and thunderstorms.
.TUESDAY...Northwest winds around 5 knots, becoming east in the
afternoon. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at
8 seconds and southeast 1 foot at 4 seconds. A chance of showers
and thunderstorms in the morning, then a slight chance of showers
and thunderstorms in the afternoon.
.TUESDAY NIGHT...Southeast winds around 5 knots, becoming
southwest after midnight. Seas 2 to 3 feet. Wave Detail: East
2 feet at 8 seconds and southeast 1 foot at 4 seconds. A slight
chance of thunderstorms. A slight chance of showers in the
evening, then a chance of showers after midnight.
.WEDNESDAY...Northwest winds around 5 knots, becoming northeast
in the afternoon. Seas 2 feet. Wave Detail: East 2 feet at
8 seconds and southeast 1 foot at 4 seconds. 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 5 to 10 knots. Seas 2 feet.
Wave Detail: Northeast 2 feet at 8 seconds and southeast 1 foot
at 4 seconds. A chance of thunderstorms. A chance of showers in
the evening, then showers likely after midnight.
.THURSDAY...North winds 15 to 20 knots, increasing to 20 to
25 knots in the afternoon. Seas 3 to 4 feet, building to 5 to
7 feet, occasionally to 9 feet in the afternoon. Showers likely
with a chance of thunderstorms.
.THURSDAY NIGHT...North winds 15 to 20 knots. Seas 6 to 8 feet,
occasionally to 10 feet. Showers likely with a chance of
thunderstorms in the evening, then a chance of showers with a
slight chance of thunderstorms after midnight.
.FRIDAY...North winds 20 to 25 knots. Seas 7 to 9 feet,
occasionally to 11 feet. A slight chance of thunderstorms.
Showers likely in the morning, then a chance of showers in the
afternoon.
.FRIDAY NIGHT...Northeast winds 15 to 20 knots, becoming north
10 to 15 knots after midnight. Seas 7 to 9 feet, occasionally to
11 feet. A chance of showers in the evening, then a slight chance
of showers after midnight.

Winds and seas higher in and near thunderstorms.

$$

AMZ572-220215-
Volusia-Brevard County Line to Sebastian Inlet 20-60 nm-
902 AM EDT Mon Sep 21 2026

.REST OF TODAY...North winds around 5 knots, becoming east late.
Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 8 seconds and
southeast 1 foot at 3 seconds. A chance of showers and
thunderstorms.
.TONIGHT...Southeast winds 5 to 10 knots, becoming southwest
after midnight. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet
at 8 seconds and southeast 1 foot at 4 seconds. A chance of
showers and thunderstorms.
.TUESDAY...Southwest winds around 5 knots, becoming southeast in
the afternoon. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at
8 seconds and southeast 1 foot at 4 seconds. A chance of showers
and thunderstorms in the morning, then a slight chance of showers
and thunderstorms in the afternoon.
.TUESDAY NIGHT...Southeast winds around 5 knots, becoming south
after midnight. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet
at 8 seconds and southeast 1 foot at 4 seconds. A chance of
thunderstorms. A chance of showers in the evening, then showers
likely after midnight.
.WEDNESDAY...Northwest winds around 5 knots, becoming northeast
in the afternoon. Seas 2 feet. Wave Detail: Northeast 2 feet at
8 seconds and southeast 1 foot at 4 seconds. Showers likely with
a slight chance of thunderstorms in the morning, then a chance of
showers and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...East winds 5 to 10 knots, becoming northeast
after midnight. Seas 2 feet. Wave Detail: Northeast 2 feet at
8 seconds and southeast 1 foot at 4 seconds. A chance of
thunderstorms. Showers likely in the evening, then a chance of
showers after midnight.
.THURSDAY...North winds 10 to 15 knots. Seas 2 to 3 feet,
building to 3 to 5 feet, occasionally to 6 feet in the afternoon.
Showers likely with a chance of thunderstorms.
.THURSDAY NIGHT...North winds 10 to 15 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Showers likely with a chance of
thunderstorms in the evening, then a chance of showers with a
slight chance of thunderstorms after midnight.
.FRIDAY...North winds 15 to 20 knots. Seas 7 to 9 feet,
occasionally to 11 feet. A chance of showers. A slight chance of
thunderstorms in the morning, then a chance of thunderstorms in
the afternoon.
.FRIDAY NIGHT...Northeast winds 15 to 20 knots, becoming north
10 to 15 knots after midnight. Seas 7 to 9 feet, occasionally to
11 feet. A chance of showers with a slight chance of
thunderstorms in the evening, then a slight chance of showers
after midnight.

Winds and seas higher in and near thunderstorms.

$$

AMZ575-220215-
Sebastian Inlet to Jupiter Inlet 20-60 nm-
902 AM EDT Mon Sep 21 2026

.REST OF TODAY...Northwest winds around 5 knots, becoming east
late. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at
8 seconds and southeast 1 foot at 3 seconds. A chance of showers
and thunderstorms.
.TONIGHT...Southeast winds around 5 knots, becoming southwest
after midnight. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet
at 8 seconds and southeast 1 foot at 4 seconds. A chance of
showers and thunderstorms.
.TUESDAY...Southwest winds around 5 knots, becoming southeast in
the afternoon. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at
8 seconds and south 1 foot at 4 seconds. A chance of showers and
thunderstorms.
.TUESDAY NIGHT...South winds around 5 knots. Seas 2 to 3 feet.
Wave Detail: Northeast 2 feet at 8 seconds and southeast 1 foot
at 4 seconds. Showers likely with a chance of thunderstorms.
.WEDNESDAY...West winds around 5 knots, becoming northeast in the
afternoon. Seas 2 feet. Wave Detail: Northeast 2 feet at
8 seconds and south 1 foot at 4 seconds. Showers likely with a
chance of thunderstorms.
.WEDNESDAY NIGHT...Southeast winds around 5 knots, becoming west
after midnight. Seas 2 feet. Wave Detail: Northeast 2 feet at
8 seconds and southeast 1 foot at 4 seconds. A chance of
thunderstorms. Showers likely in the evening, then a chance of
showers after midnight.
.THURSDAY...North winds 5 to 10 knots. Seas 3 to 4 feet. Showers
likely with a chance of thunderstorms.
.THURSDAY NIGHT...North winds 5 to 10 knots. Seas 5 to 7 feet,
occasionally to 9 feet. A chance of thunderstorms. Showers likely
in the evening, then a chance of showers after midnight.
.FRIDAY...North winds 10 to 15 knots. Seas 6 to 8 feet,
occasionally to 10 feet. A chance of showers and thunderstorms.
.FRIDAY NIGHT...North winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Seas 7 to 8 feet, occasionally to
10 feet. A chance of showers with a slight chance of
thunderstorms.

Winds and seas higher in and near thunderstorms.

$$