214
FZUS52 KMLB 190638
CWFMLB

Coastal Waters Forecast for East Central Florida
National Weather Service Melbourne FL
238 AM 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.

ANZ500-192030-
Synopsis for Flagler Beach to Jupiter Inlet out to 60 nm
238 AM 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 are deteriorating today 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 11 feet today.

The approximate location of the west wall of the Gulf Stream based on
the Real Time Ocean Forecast System as of Monday, August 18th, 2025.

40 nautical miles east of Ponce Inlet.
30 nautical miles east of Port Canaveral.
24 nautical miles east of Sebastian Inlet.
17 nautical miles east of Fort Pierce Inlet.
 9 nautical miles east of Saint Lucie Inlet.

$$

AMZ550-192030-
Flagler Beach to Volusia-Brevard County Line 0-20 nm-
238 AM EDT Tue Aug 19 2025

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

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

$$

AMZ552-192030-
Volusia-Brevard County Line to Sebastian Inlet 0-20 nm-
238 AM EDT Tue Aug 19 2025

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

.TODAY...Northeast winds 10 to 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet, building to 6 to 8 feet, occasionally to
10 feet. Wave Detail: East 6 feet at 16 seconds, becoming east 7
feet at 16 seconds this afternoon. A moderate chop on the
intracoastal waters. A chance of showers with a slight chance of
thunderstorms.
.TONIGHT...North winds 10 to 15 knots. Seas 7 to 9 feet,
occasionally to 11 feet. Wave Detail: East 8 feet at 15 seconds.
A light chop on the intracoastal waters. A chance of showers with
a slight chance of thunderstorms.
.WEDNESDAY...North winds 15 to 20 knots. Seas 10 to 12 feet,
occasionally to 15 feet. Wave Detail: East 10 feet at 15 seconds.
Choppy 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...Northwest winds 10 to 15 knots, becoming west
5 to 10 knots after midnight. Seas 9 to 11 feet, occasionally to
14 feet. Wave Detail: East 10 feet at 14 seconds. 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.
.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 13 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...Southwest winds 5 to 10 knots, becoming west
after midnight. Seas 5 to 7 feet, occasionally to 9 feet. Wave
Detail: Northeast 7 feet at 13 seconds and east 2 feet at
5 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.
.FRIDAY...Northwest winds 5 to 10 knots, becoming east 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.
.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. 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 southeast 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.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas 5 to
6 feet, occasionally to 8 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.

$$

AMZ555-192030-
Sebastian Inlet to Jupiter Inlet 0-20 nm-
238 AM EDT Tue Aug 19 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION...
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
THURSDAY EVENING...

.TODAY...North winds 10 to 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Wave Detail: East 5 feet at 16 seconds
and northeast 4 feet at 6 seconds. A moderate chop on the
intracoastal waters. A chance of showers with a slight chance of
thunderstorms.
.TONIGHT...North winds 10 to 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet, building to 6 to 8 feet, occasionally to
10 feet after midnight. Wave Detail: East 5 feet at 16 seconds
and northeast 4 feet at 6 seconds, becoming east 6 feet at
13 seconds and east 6 feet at 19 seconds after midnight. A light
chop on the intracoastal waters. A slight chance of
thunderstorms. A chance of showers in the evening, then a slight
chance of showers after midnight.
.WEDNESDAY...Northwest winds 10 to 15 knots. Seas 8 to 10 feet,
occasionally to 13 feet. Wave Detail: East 10 feet at 15 seconds.
A moderate 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...Northwest winds 5 to 10 knots, becoming west
after midnight. Seas 9 to 11 feet, occasionally to 14 feet. Wave
Detail: Northeast 10 feet at 14 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 8 to 10 feet, occasionally to 13 feet. Wave
Detail: Northeast 10 feet at 13 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...West winds 5 to 10 knots. Seas 7 to 9 feet,
occasionally to 11 feet. Wave Detail: Northeast 8 feet at
13 seconds and east 2 feet at 5 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.
.FRIDAY...Northwest winds 5 to 10 knots, becoming east in the
afternoon. Seas 6 to 8 feet, occasionally to 10 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.
.FRIDAY NIGHT...Southwest winds around 5 knots. Seas 6 to 8 feet,
occasionally to 10 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 southeast in the
afternoon. Seas 6 to 8 feet, occasionally to 10 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...South winds around 5 knots, becoming southwest
after midnight. Seas 5 to 7 feet, occasionally to 9 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.

$$

AMZ570-192030-
Flagler Beach to Volusia-Brevard County Line 20-60 nm-
238 AM EDT Tue Aug 19 2025

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

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

Winds and seas higher in and near thunderstorms.

$$

AMZ572-192030-
Volusia-Brevard County Line to Sebastian Inlet 20-60 nm-
238 AM EDT Tue Aug 19 2025

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

.TODAY...Northeast winds 10 to 15 knots. Seas 8 to 10 feet,
occasionally to 13 feet. Wave Detail: East 9 feet at 16 seconds.
A chance of showers with a slight chance of thunderstorms.
.TONIGHT...North winds 10 to 15 knots. Seas 10 to 12 feet,
occasionally to 15 feet. Wave Detail: East 11 feet at 15 seconds
and north 6 feet at 6 seconds. A chance of showers with a slight
chance of thunderstorms.
.WEDNESDAY...Northwest winds 15 to 20 knots. Seas 11 to 15 feet,
occasionally to 19 feet. Wave Detail: East 13 feet at 14 seconds
and north 7 feet at 7 seconds. A chance of showers. A slight
chance of thunderstorms in the morning, then a chance of
thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots. Seas 11 to
14 feet, occasionally to 18 feet, subsiding to 10 to 12 feet,
occasionally to 15 feet after midnight. Wave Detail: East 12 feet
at 14 seconds and north 6 feet at 7 seconds, becoming northeast
11 feet at 13 seconds and north 5 feet at 7 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 9 to 11 feet, occasionally to
14 feet. Wave Detail: Northeast 10 feet at 13 seconds and north
4 feet at 8 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 7 to 9 feet, occasionally to 11 feet. Wave
Detail: Northeast 8 feet at 12 seconds and north 3 feet at
9 seconds. A chance of showers. A chance of thunderstorms in the
evening, then a slight chance of thunderstorms after midnight.
.FRIDAY...Northwest winds 5 to 10 knots, becoming east in the
afternoon. Seas 6 to 8 feet, occasionally to 10 feet. 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 7 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.
.SATURDAY...West winds 5 to 10 knots, becoming south in the
afternoon. Seas 6 to 8 feet, occasionally to 10 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. A
chance of showers in the evening, then showers likely after
midnight.

Winds and seas higher in and near thunderstorms.

$$

AMZ575-192030-
Sebastian Inlet to Jupiter Inlet 20-60 nm-
238 AM EDT Tue Aug 19 2025

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

.TODAY...North winds 10 to 15 knots. Seas 6 to 8 feet,
occasionally to 10 feet. Wave Detail: North 6 feet at 6 seconds
and east 6 feet at 16 seconds. A chance of showers. A chance of
thunderstorms this morning, then a slight chance of thunderstorms
this afternoon.
.TONIGHT...North winds 10 to 15 knots. Seas 8 to 10 feet,
occasionally to 13 feet. Wave Detail: East 9 feet at 15 seconds
and east 7 feet at 12 seconds. A chance of showers with a slight
chance of thunderstorms.
.WEDNESDAY...Northwest winds 15 to 20 knots. Seas 10 to 13 feet,
occasionally to 17 feet. Wave Detail: East 11 feet at 14 seconds
and north 6 feet at 7 seconds. A chance of showers. A slight
chance of thunderstorms in the morning, then a chance of
thunderstorms in the afternoon.
.WEDNESDAY NIGHT...West winds 10 to 15 knots. Seas 10 to 12 feet,
occasionally to 15 feet. Wave Detail: Northeast 11 feet at
13 seconds and north 5 feet at 8 seconds. A chance of showers and
thunderstorms.
.THURSDAY...West winds 10 to 15 knots, becoming southwest 5 to
10 knots in the afternoon. Seas 9 to 11 feet, occasionally to
14 feet. Wave Detail: Northeast 11 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 around 10 knots, becoming west
after midnight. Seas 7 to 9 feet, occasionally to 11 feet. Wave
Detail: Northeast 9 feet at 12 seconds and northwest 3 feet at
9 seconds. A chance of showers. A chance of thunderstorms in the
evening, then a slight chance of thunderstorms after midnight.
.FRIDAY...West winds 5 to 10 knots, becoming southwest in the
afternoon. Seas 7 to 8 feet, occasionally to 10 feet. 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, becoming west
after midnight. Seas 7 to 9 feet, occasionally to 11 feet.
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 5 to 10 knots. Seas 7 to 8 feet,
occasionally to 10 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. A
chance of showers in the evening, then showers likely after
midnight.

Winds and seas higher in and near thunderstorms.

$$