149
FZUS52 KMLB 200053
CWFMLB

Coastal Waters Forecast for East Central Florida
National Weather Service Melbourne FL
853 PM EDT Tue Aug 19 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.

ANZ500-201315-
Synopsis for Flagler Beach to Jupiter Inlet out to 60 nm
853 PM EDT Tue Aug 19 2025

.SYNOPSIS...Hurricane Erin is forecast to lift northward while
remaining east of Florida through Wednesday then turn northeast
and out to sea. Boating conditions continue to deteriorate as
building swells reach the coast and breezy north to northeast
winds develop. In particular, very dangerous boating conditions
will exist near inlets especially during the outgoing tide cycles
through Thursday.

.GULF STREAM HAZARDS...Seas building 7 to 12 feet tonight.

The approximate location of the west wall of the Gulf Stream based on
the Real Time Ocean Forecast System as of Tuesday, August 19th, 2025.

42 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.

$$

AMZ550-201315-
Flagler Beach to Volusia-Brevard County Line 0-20 nm-
853 PM EDT Tue Aug 19 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING...

.REST OF TONIGHT...North winds 10 to 15 knots. Seas 7 to 8 feet,
occasionally to 10 feet. Wave Detail: East 8 feet at 16 seconds.
A light chop on the intracoastal waters. A chance of showers and
thunderstorms.
.WEDNESDAY...North winds 15 to 20 knots. Seas 7 to 9 feet,
occasionally to 11 feet, building to 9 to 11 feet, occasionally
to 14 feet in the afternoon. Wave Detail: East 9 feet at
15 seconds, becoming east 11 feet at 15 seconds in the afternoon.
Choppy on the intracoastal waters. A chance of showers and
thunderstorms.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots, becoming west
5 to 10 knots after midnight. Seas 9 to 11 feet, occasionally to
14 feet, subsiding to 7 to 9 feet, occasionally to 11 feet after
midnight. Wave Detail: East 11 feet at 15 seconds and northeast
6 feet at 7 seconds, becoming east 9 feet at 13 seconds after
midnight. A light chop on the intracoastal waters. A slight
chance of showers and thunderstorms in the evening.
.THURSDAY...West winds 5 to 10 knots, becoming south in the
afternoon. Seas 6 to 8 feet, occasionally to 10 feet. Wave
Detail: Northeast 8 feet at 12 seconds. A light chop on the
intracoastal waters. A slight chance of showers in the morning,
then a chance of showers and thunderstorms in the afternoon.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas 5 to
6 feet, occasionally to 8 feet. Wave Detail: Northeast 6 feet at
12 seconds. 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.
.FRIDAY...West winds 5 to 10 knots, becoming southeast in the
afternoon. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail:
Northeast 6 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.
.FRIDAY NIGHT...South winds 5 to 10 knots, becoming southwest
after midnight. Seas 4 to 5 feet, occasionally to 6 feet. 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.
.SATURDAY...Southwest winds around 5 knots, becoming southeast in
the afternoon. Seas 4 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.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas 4 to
5 feet, occasionally to 6 feet. 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...West winds 5 to 10 knots, becoming south in the
afternoon. Seas 4 to 5 feet, occasionally to 6 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.
.SUNDAY NIGHT...Southwest 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.

$$

AMZ552-201315-
Volusia-Brevard County Line to Sebastian Inlet 0-20 nm-
853 PM EDT Tue Aug 19 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING...

.REST OF TONIGHT...North winds 10 to 15 knots. Seas 6 to 8 feet,
occasionally to 10 feet. Wave Detail: East 7 feet at 16 seconds.
A light chop on the intracoastal waters. A chance of showers and
thunderstorms this evening, then a slight chance of showers and
thunderstorms.
.WEDNESDAY...North winds 15 to 20 knots. Seas 8 to 10 feet,
occasionally to 13 feet. Wave Detail: East 10 feet at 15 seconds.
Choppy on the intracoastal waters. A chance of showers and
thunderstorms.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots, becoming west
5 to 10 knots after midnight. Seas 8 to 10 feet, occasionally to
13 feet. Wave Detail: East 9 feet at 14 seconds. A light chop on
the intracoastal waters. A slight chance of showers and
thunderstorms in the evening.
.THURSDAY...West winds 5 to 10 knots, becoming southwest in the
afternoon. Seas 6 to 8 feet, occasionally to 10 feet. Wave
Detail: Northeast 8 feet at 12 seconds and southeast 2 feet at
5 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.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas 5 to
6 feet, occasionally to 8 feet. Wave Detail: Northeast 6 feet at
12 seconds and southeast 2 feet at 5 seconds. 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.
.FRIDAY...West winds 5 to 10 knots, becoming southeast in the
afternoon. Seas 5 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.
.FRIDAY NIGHT...South winds around 5 knots, becoming west after
midnight. Seas 5 to 6 feet, occasionally to 8 feet. 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.
.SATURDAY...West winds around 5 knots, becoming south in the
afternoon. Seas 5 to 6 feet, occasionally to 8 feet. A light chop
on the intracoastal waters. Showers likely. A chance of
thunderstorms in the morning, then thunderstorms likely in the
afternoon.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas 5 feet,
occasionally to 6 feet. 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. 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 4 to 5 feet,
occasionally to 6 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.

$$

AMZ555-201315-
Sebastian Inlet to Jupiter Inlet 0-20 nm-
853 PM EDT Tue Aug 19 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING...

.REST OF TONIGHT...North winds 10 to 15 knots, becoming northwest
early this morning. Seas 5 to 7 feet, occasionally to 9 feet.
Wave Detail: East 6 feet at 15 seconds and northeast 4 feet at
6 seconds. A light chop on the intracoastal waters. A chance of
showers and thunderstorms this evening, then a slight chance of
showers and thunderstorms.
.WEDNESDAY...Northwest winds 10 to 15 knots. Seas 6 to 8 feet,
occasionally to 10 feet, building to 8 to 10 feet, occasionally
to 13 feet in the afternoon. Wave Detail: East 7 feet at
14 seconds, becoming east 9 feet at 14 seconds in the afternoon.
A moderate 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.
.WEDNESDAY NIGHT...Northwest winds 5 to 10 knots, becoming west
after midnight. Seas 8 to 10 feet, occasionally to 13 feet. Wave
Detail: Northeast 9 feet at 13 seconds. 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.
.THURSDAY...West winds 5 to 10 knots, becoming southwest in the
afternoon. Seas 7 to 9 feet, occasionally to 11 feet. Wave
Detail: Northeast 9 feet at 12 seconds. A light chop on the
intracoastal waters. A slight chance of showers and thunderstorms
in the morning, then showers and thunderstorms likely in the
afternoon.
.THURSDAY NIGHT...West winds 5 to 10 knots. Seas 6 to 8 feet,
occasionally to 10 feet. Wave Detail: Northeast 7 feet at
12 seconds and east 2 feet at 5 seconds. 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.
.FRIDAY...West winds 5 to 10 knots, becoming east in the
afternoon. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail:
Northeast 6 feet at 12 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...Southwest winds around 5 knots, becoming west
after midnight. Seas 5 to 7 feet, occasionally to 9 feet. Smooth
on the intracoastal waters. A chance of showers and
thunderstorms.
.SATURDAY...West winds around 5 knots, becoming southeast in the
afternoon. Seas 5 to 7 feet, occasionally to 9 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.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas 5 to
7 feet, occasionally to 9 feet. Mostly smooth on the intracoastal
waters. A chance of showers and thunderstorms.
.SUNDAY...Southwest winds 5 to 10 knots, becoming south in the
afternoon. Seas 5 to 6 feet, occasionally to 8 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.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots. Seas 4 to 6 feet,
occasionally to 8 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.

Winds and waves higher in and near thunderstorms.

$$

AMZ570-201315-
Flagler Beach to Volusia-Brevard County Line 20-60 nm-
853 PM EDT Tue Aug 19 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING...

.REST OF TONIGHT...North winds 10 to 15 knots. Seas 9 to 11 feet,
occasionally to 14 feet. Wave Detail: East 10 feet at 16 seconds.
A chance of showers and thunderstorms.
.WEDNESDAY...North winds 15 to 20 knots. Seas 10 to 13 feet,
occasionally to 17 feet, building to 11 to 15 feet, occasionally
to 19 feet in the afternoon. Wave Detail: East 12 feet at
15 seconds and north 7 feet at 6 seconds, becoming east 13 feet
at 15 seconds and north 7 feet at 7 seconds in the afternoon. A
chance of showers and thunderstorms.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots, becoming west
after midnight. Seas 11 to 14 feet, occasionally to 18 feet,
subsiding to 9 to 11 feet, occasionally to 14 feet after
midnight. Wave Detail: East 12 feet at 14 seconds and north
6 feet at 7 seconds, becoming northeast 10 feet at 13 seconds and
north 4 feet at 7 seconds after midnight. A chance of showers and
thunderstorms.
.THURSDAY...West winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Seas 8 to 10 feet, occasionally to
13 feet. Wave Detail: Northeast 9 feet at 12 seconds. A chance of
showers. A slight chance of thunderstorms in the morning, then a
chance of thunderstorms in the afternoon.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots, becoming west
after midnight. Seas 6 to 8 feet, occasionally to 10 feet. Wave
Detail: Northeast 8 feet at 12 seconds. A chance of
thunderstorms. A chance of showers in the evening, then showers
likely after midnight.
.FRIDAY...West winds 5 to 10 knots, becoming southeast in the
afternoon. Seas 6 to 7 feet, occasionally to 9 feet. Wave Detail:
Northeast 7 feet at 12 seconds. Showers likely with a chance of
thunderstorms.
.FRIDAY NIGHT...South winds 5 to 10 knots, becoming southwest
after midnight. Seas 6 to 7 feet, occasionally to 9 feet. Showers
likely with a chance of thunderstorms.
.SATURDAY...West winds 5 to 10 knots, becoming south in the
afternoon. Seas 5 to 7 feet, occasionally to 9 feet. Showers
likely with a chance of thunderstorms.
.SATURDAY NIGHT...South winds 5 to 10 knots, becoming southwest
after midnight. Seas 5 to 6 feet, occasionally to 8 feet. Showers
likely with a chance of thunderstorms.
.SUNDAY...Southwest winds 5 to 10 knots. Seas 5 to 6 feet,
occasionally to 8 feet. Showers likely with a chance of
thunderstorms.
.SUNDAY NIGHT...Southwest winds around 10 knots. Seas 4 to
6 feet, occasionally to 8 feet. Showers likely with a chance of
thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

AMZ572-201315-
Volusia-Brevard County Line to Sebastian Inlet 20-60 nm-
853 PM EDT Tue Aug 19 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING...

.REST OF TONIGHT...North winds 10 to 15 knots. Seas 8 to 10 feet,
occasionally to 13 feet. Wave Detail: East 10 feet at 16 seconds
and north 6 feet at 6 seconds. A chance of showers and
thunderstorms.
.WEDNESDAY...Northwest winds 15 to 20 knots. Seas 11 to 14 feet,
occasionally to 18 feet. Wave Detail: East 12 feet at 14 seconds
and north 7 feet at 7 seconds. A chance of showers and
thunderstorms.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots. Seas 10 to
13 feet, occasionally to 17 feet, subsiding to 9 to 11 feet,
occasionally to 14 feet after midnight. Wave Detail: East 11 feet
at 14 seconds and north 6 feet at 7 seconds, becoming northeast
10 feet at 12 seconds and north 5 feet at 8 seconds after
midnight. A chance of showers and thunderstorms.
.THURSDAY...West winds 10 to 15 knots, becoming southwest 5 to
10 knots in the afternoon. Seas 8 to 10 feet, occasionally to
13 feet. Wave Detail: Northeast 9 feet at 12 seconds and north
4 feet at 7 seconds. A chance of showers and thunderstorms.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots, becoming west
after midnight. Seas 6 to 8 feet, occasionally to 10 feet. Wave
Detail: Northeast 7 feet at 11 seconds and north 3 feet at
11 seconds. Showers likely with a chance of thunderstorms.
.FRIDAY...West winds 5 to 10 knots, becoming south in the
afternoon. Seas 6 to 7 feet, occasionally to 9 feet. Wave Detail:
Northeast 6 feet at 12 seconds and northwest 3 feet at
12 seconds. Showers likely. A chance of thunderstorms in the
morning, then thunderstorms likely in the afternoon.
.FRIDAY NIGHT...South winds 5 to 10 knots, becoming southwest
after midnight. Seas 6 to 7 feet, occasionally to 9 feet. Showers
likely with a chance of thunderstorms.
.SATURDAY...West winds 5 to 10 knots, becoming south in the
afternoon. Seas 6 to 7 feet, occasionally to 9 feet. Showers and
thunderstorms likely.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas 6 feet,
occasionally to 8 feet. Showers likely with a chance of
thunderstorms.
.SUNDAY...Southwest winds 5 to 10 knots. Seas 5 to 6 feet,
occasionally to 8 feet. Showers likely with a chance of
thunderstorms.
.SUNDAY NIGHT...Southwest winds around 10 knots. Seas 5 to
6 feet, occasionally to 8 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.

$$

AMZ575-201315-
Sebastian Inlet to Jupiter Inlet 20-60 nm-
853 PM EDT Tue Aug 19 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING...

.REST OF TONIGHT...North winds 10 to 15 knots, becoming northwest
early this morning. Seas 7 to 9 feet, occasionally to 11 feet.
Wave Detail: East 8 feet at 14 seconds and north 6 feet at
7 seconds. A chance of showers and thunderstorms.
.WEDNESDAY...Northwest winds 15 to 20 knots. Seas 8 to 10 feet,
occasionally to 13 feet, building to 10 to 12 feet, occasionally
to 15 feet in the afternoon. Wave Detail: East 9 feet at
14 seconds and north 6 feet at 7 seconds, becoming east 10 feet
at 14 seconds and north 6 feet at 7 seconds in the afternoon. A
chance of showers and thunderstorms.
.WEDNESDAY NIGHT...West winds 10 to 15 knots. Seas 10 to 12 feet,
occasionally to 15 feet. Wave Detail: Northeast 10 feet at
13 seconds and north 5 feet at 8 seconds. A chance of
thunderstorms. Showers likely in the evening, then a chance of
showers after midnight.
.THURSDAY...West winds 10 to 15 knots, becoming southwest 5 to
10 knots in the afternoon. Seas 8 to 10 feet, occasionally to
13 feet. Wave Detail: Northeast 9 feet at 12 seconds and north
4 feet at 8 seconds. A chance of thunderstorms. A chance of
showers in the morning, then showers likely in the afternoon.
.THURSDAY NIGHT...Southwest winds around 10 knots. Seas 7 to
8 feet, occasionally to 10 feet. Wave Detail: Northeast 7 feet at
11 seconds and northwest 3 feet at 10 seconds. A chance of
thunderstorms. Showers likely in the evening, then a chance of
showers after midnight.
.FRIDAY...West winds 5 to 10 knots, becoming southwest in the
afternoon. Seas 7 feet, occasionally to 9 feet. Wave Detail:
Northeast 7 feet at 12 seconds and northwest 3 feet at
12 seconds. Showers likely. A chance of thunderstorms in the
morning, then thunderstorms likely in the afternoon.
.FRIDAY NIGHT...South winds 5 to 10 knots, becoming west after
midnight. Seas 6 to 7 feet, occasionally to 9 feet. A chance of
thunderstorms. Showers likely in the evening, then a chance of
showers after midnight.
.SATURDAY...West winds 5 to 10 knots, becoming southwest in the
afternoon. Seas 6 to 7 feet, occasionally to 9 feet. Showers
likely. A chance of thunderstorms in the morning, then
thunderstorms likely in the afternoon.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas 6 to
7 feet, occasionally to 9 feet. A chance of thunderstorms.
Showers likely in the evening, then a chance of showers after
midnight.
.SUNDAY...Southwest winds 5 to 10 knots. Seas 6 to 7 feet,
occasionally to 9 feet. A chance of thunderstorms. A chance of
showers in the morning, then showers likely in the afternoon.
.SUNDAY NIGHT...Southwest winds around 10 knots. Seas 5 to
6 feet, occasionally to 8 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.

$$