848
FZUS52 KMLB 220202
CWFMLB

Coastal Waters Forecast for East Central Florida
National Weather Service Melbourne FL
1002 PM EDT Thu Aug 21 2025

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.

ANZ500-221430-
Synopsis for Flagler Beach to Jupiter Inlet out to 60 nm
1002 PM EDT Thu Aug 21 2025

.SYNOPSIS...Hurricane Erin will continue to move farther out to
sea through late week. Poor boating conditions linger in the
offshore waters but will subside through tonight. Improved boating
conditions return into the weekend, outside of daily rain and
storm chances.

.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 Thursday, August 21st, 2025.

42 nautical miles east of Ponce Inlet.
30 nautical miles east of Port Canaveral.
26 nautical miles east of Sebastian Inlet.
18 nautical miles east of Fort Pierce Inlet.
12 nautical miles east of Saint Lucie Inlet.

$$

AMZ550-221430-
Flagler Beach to Volusia-Brevard County Line 0-20 nm-
1002 PM EDT Thu Aug 21 2025

.REST OF TONIGHT...Southwest winds 5 to 10 knots. Seas 4 to
6 feet. Wave Detail: Northeast 6 feet at 12 seconds. Mostly
smooth on the intracoastal waters. A chance of showers and
thunderstorms this evening.
.FRIDAY...Southwest winds 5 to 10 knots, becoming south in the
afternoon. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail:
Northeast 5 feet at 12 seconds. A light chop on the intracoastal
waters. A chance of showers and thunderstorms in the morning,
then showers and thunderstorms likely in the afternoon.
.FRIDAY NIGHT...Southwest winds around 5 knots. Seas 4 feet. Wave
Detail: Northeast 4 feet at 12 seconds. Smooth on the
intracoastal waters. A chance of thunderstorms. Showers likely in
the evening, then a chance of showers after midnight.
.SATURDAY...Southwest winds 5 to 10 knots. Seas 3 to 4 feet. Wave
Detail: Northeast 4 feet at 13 seconds. A light chop on the
intracoastal waters. A chance of showers and thunderstorms in the
morning, then showers and thunderstorms likely in the afternoon.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas 3 to
4 feet. Wave Detail: Northeast 4 feet at 12 seconds. Mostly
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.
.SUNDAY...Southwest winds 5 to 10 knots. Seas 3 to 4 feet. Wave
Detail: Northeast 4 feet at 13 seconds. A light chop on the
intracoastal waters. A chance of showers and thunderstorms in the
morning, then showers and thunderstorms likely in the afternoon.
.SUNDAY NIGHT...West winds 5 to 10 knots. Seas 3 to 4 feet.
Mostly smooth on the intracoastal waters. A chance of showers and
thunderstorms.
.MONDAY...West winds 5 to 10 knots. Seas 3 to 4 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...Southwest winds 5 to 10 knots. Seas 3 to 4 feet.
Mostly 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...Northwest winds around 5 knots, becoming northeast in
the afternoon. Seas 3 to 4 feet. 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.
.TUESDAY NIGHT...Southeast winds around 5 knots, becoming west
after midnight. Seas 2 to 3 feet. Smooth on the intracoastal
waters. A chance of showers and thunderstorms in the evening,
then a slight chance of showers and thunderstorms after midnight.

Winds and waves higher in and near thunderstorms.

$$

AMZ552-221430-
Volusia-Brevard County Line to Sebastian Inlet 0-20 nm-
1002 PM EDT Thu Aug 21 2025

.REST OF TONIGHT...Southwest winds 5 to 10 knots. Seas 4 to
6 feet. Wave Detail: Northeast 5 feet at 11 seconds. Mostly
smooth on the intracoastal waters. A chance of showers and
thunderstorms this evening, then a slight chance of showers and
thunderstorms.
.FRIDAY...Southwest winds 5 to 10 knots, becoming south in the
afternoon. Seas 4 feet. Wave Detail: Northeast 4 feet at
11 seconds. A light chop on the intracoastal waters. A chance of
showers and thunderstorms in the morning, then showers and
thunderstorms likely in the afternoon.
.FRIDAY NIGHT...Southwest winds around 5 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: Northeast 5 feet at
13 seconds. Smooth on the intracoastal waters. A chance of
thunderstorms. Showers likely in the evening, then a chance of
showers after midnight.
.SATURDAY...West winds around 5 knots, becoming southwest in the
afternoon. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail:
Northeast 4 feet at 13 seconds. A light chop on the intracoastal
waters. A chance of showers and thunderstorms in the morning,
then showers and thunderstorms likely in the afternoon.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas 4 feet.
Wave Detail: Northeast 4 feet at 12 seconds and southeast 1 foot
at 4 seconds. Mostly 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.
.SUNDAY...Southwest winds around 10 knots. Seas 3 to 4 feet. Wave
Detail: Northeast 4 feet at 13 seconds and southeast 1 foot at
6 seconds. A light chop on the intracoastal waters. A chance of
showers and thunderstorms in the morning, then showers and
thunderstorms likely in the afternoon.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots. Seas 3 to 4 feet.
Mostly smooth on the intracoastal waters. A chance of showers and
thunderstorms.
.MONDAY...Southwest winds 5 to 10 knots. Seas 3 to 4 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...West winds 5 to 10 knots. Seas 3 to 4 feet.
Mostly 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...Northwest winds around 5 knots, becoming east in the
afternoon. Seas 3 to 4 feet. Smooth on the intracoastal waters. A
chance of showers. A slight chance of thunderstorms in the
morning, then a chance of thunderstorms in the afternoon.
.TUESDAY NIGHT...Southeast winds around 5 knots, becoming
southwest after midnight. Seas 2 to 3 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.

Winds and waves higher in and near thunderstorms.

$$

AMZ555-221430-
Sebastian Inlet to Jupiter Inlet 0-20 nm-
1002 PM EDT Thu Aug 21 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.REST OF TONIGHT...West winds 5 to 10 knots. Seas 4 to 6 feet.
Wave Detail: Northeast 6 feet at 11 seconds and southeast 2 feet
at 5 seconds. Mostly smooth on the intracoastal waters. A slight
chance of thunderstorms this evening. A slight chance of showers.
.FRIDAY...West winds 5 to 10 knots, becoming south in the
afternoon. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail:
Northeast 5 feet at 11 seconds and east 2 feet at 5 seconds. A
light chop on the intracoastal waters. A chance of showers and
thunderstorms in the morning, then showers and thunderstorms
likely in the afternoon.
.FRIDAY NIGHT...South winds around 5 knots, becoming west after
midnight. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail:
Northeast 5 feet at 12 seconds and east 2 feet at 5 seconds.
Smooth on the intracoastal waters. A chance of thunderstorms.
Showers likely in the evening, then a chance of showers after
midnight.
.SATURDAY...West winds around 5 knots, becoming south in the
afternoon. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail:
Northeast 5 feet at 13 seconds and southeast 2 feet at 5 seconds.
A light chop on the intracoastal waters. A chance of showers and
thunderstorms in the morning, then showers and thunderstorms
likely in the afternoon.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas 4 to
5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at
12 seconds and southeast 2 feet at 5 seconds. Mostly smooth on
the intracoastal waters. A chance of thunderstorms. Showers
likely in the evening, then a chance of showers after midnight.
.SUNDAY...Southwest winds 5 to 10 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: Northeast 4 feet at
14 seconds and southeast 2 feet at 5 seconds. A light chop on the
intracoastal waters. A chance of showers and thunderstorms in the
morning, then showers and thunderstorms likely in the afternoon.
.SUNDAY NIGHT...Southwest winds around 10 knots. Seas 4 to
5 feet, occasionally to 6 feet. Mostly smooth on the intracoastal
waters. A chance of showers and thunderstorms in the evening,
then a slight chance of showers and thunderstorms after midnight.
.MONDAY...Southwest winds 5 to 10 knots. Seas 3 to 5 feet,
occasionally to 6 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...Southwest winds 5 to 10 knots, becoming west
after midnight. 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.
.TUESDAY...Northwest winds around 5 knots, becoming east in the
afternoon. Seas 3 to 4 feet. Smooth on the intracoastal waters. A
slight chance of showers and thunderstorms in the morning, then
showers and thunderstorms likely in the afternoon.
.TUESDAY NIGHT...South winds around 5 knots, becoming southwest
after midnight. Seas 3 feet. Smooth on the intracoastal waters. A
chance of showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

AMZ570-221430-
Flagler Beach to Volusia-Brevard County Line 20-60 nm-
1002 PM EDT Thu Aug 21 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.REST OF TONIGHT...West winds 5 to 10 knots. Seas 5 to 6 feet,
occasionally to 7 feet. Wave Detail: Northeast 6 feet at 11
seconds. A chance of showers and thunderstorms.
.FRIDAY...West winds 5 to 10 knots, becoming southwest in the
afternoon. Seas 5 to 6 feet, occasionally to 7 feet. Wave Detail:
Northeast 5 feet at 11 seconds and north 2 feet at 8 seconds.
Showers likely. A chance of thunderstorms in the morning, then
thunderstorms likely in the afternoon.
.FRIDAY NIGHT...Southwest winds around 5 knots. Seas 5 to 6 feet,
occasionally to 7 feet. Wave Detail: Northeast 6 feet at 12
seconds. Showers likely with a chance of thunderstorms.
.SATURDAY...Southwest winds 5 to 10 knots. Seas 4 to 6 feet,
occasionally to 7 feet. Wave Detail: Northeast 5 feet at 12
seconds. Showers likely with a chance of thunderstorms.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas 4 to
5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at
12 seconds. Showers likely with a chance of thunderstorms.
.SUNDAY...Southwest winds around 10 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: Northeast 5 feet at
13 seconds. Showers likely. A chance of thunderstorms in the
morning, then thunderstorms likely in the afternoon.
.SUNDAY NIGHT...West winds around 10 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Showers likely with a chance of
thunderstorms.
.MONDAY...West winds 5 to 10 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Showers likely with a chance of
thunderstorms.
.MONDAY NIGHT...West 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.
.TUESDAY...Northwest winds 5 to 10 knots, becoming north in the
afternoon. Seas 3 to 5 feet, occasionally to 6 feet. A chance of
showers. A slight chance of thunderstorms in the morning, then a
chance of thunderstorms in the afternoon.
.TUESDAY NIGHT...Southeast winds around 5 knots, becoming
southwest after midnight. Seas 3 to 4 feet. A chance of showers
and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

AMZ572-221430-
Volusia-Brevard County Line to Sebastian Inlet 20-60 nm-
1002 PM EDT Thu Aug 21 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.REST OF TONIGHT...Southwest winds 10 to 15 knots, becoming west
5 to 10 knots late this evening and overnight. Seas 5 to 6 feet,
occasionally to 7 feet. Wave Detail: Northeast 6 feet at 11
seconds and north 3 feet at 8 seconds. A chance of showers and
thunderstorms.
.FRIDAY...Southwest winds 5 to 10 knots. Seas 5 to 6 feet,
occasionally to 7 feet. Wave Detail: Northeast 5 feet at 11
seconds and north 2 feet at 11 seconds. A chance of showers and
thunderstorms in the morning, then showers and thunderstorms
likely in the afternoon.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots. Seas 5 to 6 feet,
occasionally to 7 feet. Wave Detail: Northeast 5 feet at 12
seconds and northwest 2 feet at 11 seconds. Showers likely with a
chance of thunderstorms.
.SATURDAY...Southwest winds 5 to 10 knots. Seas 5 to 6 feet,
occasionally to 7 feet. Wave Detail: Northeast 5 feet at 12
seconds and northwest 2 feet at 11 seconds. Showers likely. A
chance of thunderstorms in the morning, then thunderstorms likely
in the afternoon.
.SATURDAY NIGHT...Southwest winds around 10 knots. Seas 5 feet,
occasionally to 6 feet. Wave Detail: Northeast 5 feet at
12 seconds and northwest 2 feet at 11 seconds. Showers likely
with a chance of thunderstorms.
.SUNDAY...Southwest winds around 10 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: Northeast 5 feet at
13 seconds and northwest 2 feet at 11 seconds. A chance of
showers and thunderstorms in the morning, then showers and
thunderstorms likely in the afternoon.
.SUNDAY NIGHT...Southwest winds 10 to 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Showers likely. Thunderstorms likely in
the evening, then a chance of thunderstorms after midnight.
.MONDAY...West winds 10 to 15 knots, becoming southwest 5 to
10 knots in the afternoon. Seas 4 to 5 feet, occasionally to
6 feet. Showers likely. A chance of thunderstorms in the morning,
then thunderstorms likely in the afternoon.
.MONDAY NIGHT...Southwest winds 5 to 10 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Showers likely with a chance of
thunderstorms.
.TUESDAY...West winds 5 to 10 knots, becoming north in the
afternoon. Seas 4 to 5 feet, occasionally to 6 feet. A chance of
showers and thunderstorms.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots, becoming
southwest after midnight. Seas 3 to 4 feet. Showers likely with a
chance of thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

AMZ575-221430-
Sebastian Inlet to Jupiter Inlet 20-60 nm-
1002 PM EDT Thu Aug 21 2025

.REST OF TONIGHT...West winds 5 to 10 knots. Seas 5 to 6 feet,
occasionally to 7 feet. Wave Detail: Northeast 6 feet at 11
seconds and north 3 feet at 8 seconds. A chance of showers and
thunderstorms.
.FRIDAY...West winds 5 to 10 knots, becoming southwest in the
afternoon. Seas 5 to 6 feet, occasionally to 7 feet. Wave Detail:
Northeast 5 feet at 11 seconds and northwest 2 feet at
11 seconds. A chance of thunderstorms. A chance of showers in the
morning, then showers likely in the afternoon.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots. Seas 5 to 6 feet,
occasionally to 7 feet. Wave Detail: Northeast 6 feet at 12
seconds and northwest 2 feet at 11 seconds. Showers likely with a
chance of thunderstorms.
.SATURDAY...West winds 5 to 10 knots, becoming southwest in the
afternoon. Seas 5 to 6 feet, occasionally to 7 feet. Wave Detail:
Northeast 6 feet at 12 seconds and northwest 2 feet at
11 seconds. Showers and thunderstorms likely.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas 5 feet,
occasionally to 6 feet. Wave Detail: Northeast 5 feet at
12 seconds and south 2 feet at 4 seconds. Showers likely with a
chance of thunderstorms.
.SUNDAY...Southwest winds around 10 knots. Seas 5 feet,
occasionally to 6 feet. Wave Detail: Northeast 5 feet at
13 seconds and south 2 feet at 4 seconds. A chance of showers and
thunderstorms in the morning, then showers and thunderstorms
likely in the afternoon.
.SUNDAY NIGHT...Southwest winds 10 to 15 knots. Seas 5 feet,
occasionally to 6 feet. Showers and thunderstorms likely in the
evening, then a chance of showers and thunderstorms after
midnight.
.MONDAY...Southwest winds 10 to 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet. A chance of showers and thunderstorms in
the morning, then showers and thunderstorms likely in the
afternoon.
.MONDAY NIGHT...Southwest winds 5 to 10 knots. Seas 4 feet.
Showers likely. Thunderstorms likely in the evening, then a
chance of thunderstorms after midnight.
.TUESDAY...West winds 5 to 10 knots, becoming south in the
afternoon. Seas 3 to 4 feet. A chance of thunderstorms. A chance
of showers in the morning, then showers likely in the afternoon.
.TUESDAY NIGHT...South winds around 5 knots, becoming southwest
after midnight. Seas 3 to 4 feet. Showers likely with a chance of
thunderstorms.

Winds and seas higher in and near thunderstorms.

$$