Coastal Waters Forecast
Issued by NWS Melbourne, FL

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
056
FZUS52 KMLB 210700
CWFMLB

Coastal Waters Forecast for East Central Florida
National Weather Service Melbourne FL
300 AM EDT Fri Aug 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.

AMZ500-211915-
Synopsis for Flagler Beach to Jupiter Inlet out to 60 nm
300 AM EDT Fri Aug 21 2026

.SYNOPSIS...Generally favorable boating conditions prevail outside
of offshore moving showers and storms. Westerly to southwesterly
flow will continue between a front stalled across the Southeast US
and high pressure over the Atlantic through the weekend. Winds
shift south to southeast in the afternoons and evenings as the sea
breeze develops. Stronger storms will be capable of wind gusts to 34
kts or greater, frequent cloud to water lightning, heavy
rainfall, and locally higher seas.

.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 Friday, August 21st, 2026.

45 nautical miles east of Ponce Inlet.
31 nautical miles east of Port Canaveral.
24 nautical miles east of Sebastian Inlet.
17 nautical miles east of Fort Pierce Inlet.
11 nautical miles east of Saint Lucie Inlet.

$$

AMZ550-211915-
Flagler Beach to Volusia-Brevard County Line 0-20 nm-
300 AM EDT Fri Aug 21 2026

.TODAY...Southwest winds around 5 knots, becoming southeast late
this morning and early afternoon, increasing to 10 to 15 knots
late. Seas 1 to 2 feet. Wave Detail: Southeast 2 feet at
3 seconds and east 1 foot at 9 seconds. A moderate chop on the
intracoastal waters. A slight chance of showers and thunderstorms
this afternoon.
.TONIGHT...South winds 10 to 15 knots, becoming southwest 5 to
10 knots after midnight. Seas 2 feet. Wave Detail: Southeast
2 feet at 4 seconds and east 1 foot at 9 seconds. A light chop on
the intracoastal waters. A slight chance of showers and
thunderstorms in the evening.
.SATURDAY...Southwest winds 5 to 10 knots, becoming south 10 to
15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail:
Southeast 2 feet at 4 seconds and east 1 foot at 9 seconds. A
moderate chop on the intracoastal waters. A chance of showers and
thunderstorms in the afternoon.
.SATURDAY NIGHT...Southwest winds 10 to 15 knots. Seas 2 to
3 feet. Wave Detail: Southeast 2 feet at 4 seconds and east
1 foot at 9 seconds. A light chop on the intracoastal waters. A
slight chance of showers and thunderstorms in the evening.
.SUNDAY...Southwest winds 5 to 10 knots, becoming south in the
afternoon. Seas 2 feet. Wave Detail: South 2 feet at 4 seconds
and east 1 foot at 9 seconds. A light chop 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 5 to 10 knots. Seas 2 feet. Wave
Detail: Southeast 2 feet at 4 seconds and east 1 foot at
8 seconds. Mostly smooth on the intracoastal waters.
.MONDAY...Southwest winds around 5 knots, becoming southeast in
the afternoon. Seas 1 to 2 feet. A light chop on the intracoastal
waters.
.MONDAY NIGHT...South winds 5 to 10 knots. Seas 2 feet. Mostly
smooth on the intracoastal waters.
.TUESDAY...South winds around 5 knots, becoming southeast in the
afternoon. Seas 1 to 2 feet. A light chop on the intracoastal
waters. A slight chance of showers and thunderstorms in the
afternoon.
.TUESDAY NIGHT...South winds 5 to 10 knots. Seas 1 to 2 feet.
Mostly smooth on the intracoastal waters. A slight chance of
showers and thunderstorms in the evening.

Winds and waves higher in and near thunderstorms.

$$

AMZ552-211915-
Volusia-Brevard County Line to Sebastian Inlet 0-20 nm-
300 AM EDT Fri Aug 21 2026

.TODAY...South winds around 5 knots, becoming southeast this
afternoon. Seas 1 to 2 feet. Wave Detail: Southeast 2 feet at
3 seconds and east 1 foot at 9 seconds. A light chop on the
intracoastal waters. A chance of showers and thunderstorms this
afternoon.
.TONIGHT...South winds 5 to 10 knots. Seas 2 feet. Wave Detail:
Southeast 2 feet at 4 seconds and east 1 foot at 9 seconds.
Mostly smooth on the intracoastal waters. A slight chance of
showers and thunderstorms in the evening.
.SATURDAY...Southwest winds 5 to 10 knots, becoming southeast
10 to 15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail:
Southeast 2 feet at 4 seconds and east 1 foot at 9 seconds. A
moderate chop on the intracoastal waters. A chance of showers and
thunderstorms in the afternoon.
.SATURDAY NIGHT...South winds 10 to 15 knots, becoming southwest
5 to 10 knots after midnight. Seas 2 to 3 feet. Wave Detail:
Southeast 2 feet at 4 seconds and east 1 foot at 9 seconds. A
light chop on the intracoastal waters. A slight chance of showers
and thunderstorms in the evening.
.SUNDAY...Southwest winds 5 to 10 knots, becoming southeast in
the afternoon. Seas 2 feet. Wave Detail: Southeast 2 feet at
4 seconds and east 1 foot at 9 seconds. A light chop 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 5 to 10 knots, becoming southwest
after midnight. Seas 2 feet. Wave Detail: Southeast 1 foot at
4 seconds and east 1 foot at 9 seconds. Mostly smooth on the
intracoastal waters. A slight chance of showers and thunderstorms
in the evening.
.MONDAY...Southwest winds around 5 knots, becoming southeast in
the afternoon. Seas 1 to 2 feet. A light chop on the intracoastal
waters.
.MONDAY NIGHT...South winds 5 to 10 knots. Seas 1 to 2 feet.
Mostly smooth on the intracoastal waters.
.TUESDAY...South winds around 5 knots, becoming southeast in the
afternoon. Seas 1 to 2 feet. A light chop on the intracoastal
waters. A slight chance of showers and thunderstorms in the
afternoon.
.TUESDAY NIGHT...South winds 5 to 10 knots. Seas 1 to 2 feet.
Mostly smooth on the intracoastal waters. A slight chance of
showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

AMZ555-211915-
Sebastian Inlet to Jupiter Inlet 0-20 nm-
300 AM EDT Fri Aug 21 2026

.TODAY...Southwest winds 5 to 10 knots, becoming southeast this
afternoon. Seas 1 to 2 feet. Wave Detail: Southeast 1 foot at
3 seconds and northeast 1 foot at 8 seconds. A light chop on the
intracoastal waters. A chance of showers and thunderstorms this
afternoon.
.TONIGHT...South winds 5 to 10 knots. Seas 1 to 2 feet. Wave
Detail: Southeast 2 feet at 3 seconds and northeast 1 foot at
8 seconds. Mostly smooth on the intracoastal waters. A chance of
showers and thunderstorms in the evening.
.SATURDAY...Southwest winds 5 to 10 knots, becoming southeast in
the afternoon. Seas 1 to 2 feet. Wave Detail: Southeast 2 feet at
3 seconds and northeast 1 foot at 9 seconds. A light chop on the
intracoastal waters. A chance of showers and thunderstorms in the
afternoon.
.SATURDAY NIGHT...South winds 10 to 15 knots, becoming southwest
5 to 10 knots after midnight. Seas 1 to 2 feet. Wave Detail:
Southeast 2 feet at 3 seconds and northeast 1 foot at 9 seconds.
A light chop on the intracoastal waters. A slight chance of
showers and thunderstorms in the evening.
.SUNDAY...Southwest winds around 5 knots, becoming southeast in
the afternoon. Seas 1 to 2 feet. Wave Detail: Southeast 2 feet at
3 seconds and northeast 1 foot at 9 seconds. A light chop on the
intracoastal waters. A chance of showers and thunderstorms in the
afternoon.
.SUNDAY NIGHT...South winds 5 to 10 knots. Seas 1 to 2 feet. Wave
Detail: Southeast 2 feet at 3 seconds and northeast 1 foot at
9 seconds. Mostly smooth on the intracoastal waters. A slight
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 slight chance of showers and thunderstorms in the
afternoon.
.MONDAY NIGHT...South winds 5 to 10 knots. Seas 1 to 2 feet.
Mostly smooth on the intracoastal waters.
.TUESDAY...Southeast winds 5 to 10 knots. Seas 1 to 2 feet. A
light chop on the intracoastal waters. A slight chance of showers
and thunderstorms in the afternoon.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 to 2 feet.
Mostly smooth on the intracoastal waters. A slight chance of
showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

AMZ570-211915-
Flagler Beach to Volusia-Brevard County Line 20-60 nm-
300 AM EDT Fri Aug 21 2026

.TODAY...South winds around 5 knots, becoming 5 to 10 knots this
afternoon. Seas 2 feet. Wave Detail: Southeast 2 feet at
3 seconds and east 2 feet at 9 seconds. A slight chance of
showers and thunderstorms.
.TONIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 4 seconds and east 2 feet at 9 seconds. A
slight chance of showers and thunderstorms.
.SATURDAY...Southwest winds 5 to 10 knots, becoming south 10 to
15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: South
3 feet at 4 seconds and east 1 foot at 9 seconds. A slight chance
of showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...Southwest winds 10 to 15 knots. Seas 2 to
3 feet. Wave Detail: South 3 feet at 4 seconds and east 1 foot at
9 seconds. A chance of showers. A chance of thunderstorms in the
evening, then a slight chance of thunderstorms after midnight.
.SUNDAY...Southwest winds 5 to 10 knots, becoming south in the
afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at
4 seconds and west 1 foot at 3 seconds. A slight chance of
showers and thunderstorms.
.SUNDAY NIGHT...South winds 5 to 10 knots. Seas 2 feet. Wave
Detail: South 2 feet at 3 seconds and east 1 foot at 9 seconds. A
slight chance of showers and thunderstorms.
.MONDAY...Southwest winds 5 to 10 knots, becoming southeast in
the afternoon. Seas 2 feet. A slight chance of showers and
thunderstorms in the morning.
.MONDAY NIGHT...South winds 5 to 10 knots. Seas 2 feet. A slight
chance of showers and thunderstorms.
.TUESDAY...South winds around 5 knots, becoming southeast in the
afternoon. Seas 2 feet. A slight chance of showers and
thunderstorms in the morning.
.TUESDAY NIGHT...South winds 5 to 10 knots. Seas 2 feet. A slight
chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

AMZ572-211915-
Volusia-Brevard County Line to Sebastian Inlet 20-60 nm-
300 AM EDT Fri Aug 21 2026

.TODAY...South winds 5 to 10 knots. Seas 2 feet. Wave Detail:
East 2 feet at 9 seconds and south 1 foot at 3 seconds. A slight
chance of showers and thunderstorms.
.TONIGHT...South winds 10 to 15 knots. 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.
.SATURDAY...Southwest winds 5 to 10 knots, becoming south 10 to
15 knots in the afternoon. Seas 2 feet. Wave Detail: South 2 feet
at 4 seconds and east 2 feet at 9 seconds.
.SATURDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: South 2 feet at 4 seconds and east 1 foot at
9 seconds. A chance of showers and thunderstorms.
.SUNDAY...Southwest winds 5 to 10 knots, becoming south in the
afternoon. Seas 2 feet. Wave Detail: South 2 feet at 4 seconds
and east 1 foot at 9 seconds. A slight chance of showers and
thunderstorms.
.SUNDAY NIGHT...South winds 5 to 10 knots. Seas 2 feet. Wave
Detail: South 1 foot at 4 seconds and east 1 foot at 8 seconds. A
chance of showers and thunderstorms.
.MONDAY...Southwest winds 5 to 10 knots, becoming southeast in
the afternoon. Seas 2 feet. A slight chance of showers and
thunderstorms in the morning.
.MONDAY NIGHT...South winds 5 to 10 knots. Seas 2 feet. A slight
chance of showers and thunderstorms after midnight.
.TUESDAY...South winds 5 to 10 knots, becoming southeast in the
afternoon. Seas 2 feet. A slight chance of showers and
thunderstorms in the morning.
.TUESDAY NIGHT...South winds 5 to 10 knots. Seas 2 feet. A slight
chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

AMZ575-211915-
Sebastian Inlet to Jupiter Inlet 20-60 nm-
300 AM EDT Fri Aug 21 2026

.TODAY...South winds 5 to 10 knots, becoming southeast late. Seas
1 to 2 feet. Wave Detail: South 1 foot at 3 seconds and north
1 foot at 4 seconds. A slight chance of showers and
thunderstorms.
.TONIGHT...South winds 10 to 15 knots. Seas 1 to 2 feet. Wave
Detail: South 2 feet at 3 seconds and north 1 foot at 3 seconds.
A slight chance of showers and thunderstorms.
.SATURDAY...Southwest winds 5 to 10 knots, becoming south in the
afternoon. Seas 1 to 2 feet. Wave Detail: South 2 feet at
3 seconds and east 1 foot at 9 seconds. A slight chance of
showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...South winds 10 to 15 knots. Seas 2 feet. Wave
Detail: South 2 feet 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.
.SUNDAY...Southwest winds 5 to 10 knots, becoming south in the
afternoon. Seas 1 to 2 feet. Wave Detail: South 2 feet at
4 seconds and west 1 foot at 3 seconds. A slight chance of
showers and thunderstorms.
.SUNDAY NIGHT...South winds 5 to 10 knots. Seas 1 to 2 feet. Wave
Detail: South 1 foot at 3 seconds and northeast 1 foot at
3 seconds. A chance of showers and thunderstorms.
.MONDAY...South winds around 5 knots, becoming southeast in the
afternoon. Seas 1 to 2 feet. A slight chance of showers and
thunderstorms in the morning.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 to 2 feet.
.TUESDAY...Southeast winds 5 to 10 knots. Seas 1 to 2 feet. A
slight chance of showers and thunderstorms in the morning.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 to 2 feet.
A slight chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$