630
FZUS52 KMLB 120715
CWFMLB

Coastal Waters Forecast for East Central Florida
National Weather Service Melbourne FL
315 AM EDT Mon May 12 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.

ANZ500-121930-
Synopsis for Flagler Beach to Jupiter Inlet out to 60 nm
315 AM EDT Mon May 12 2025

.SYNOPSIS...The low pressure system over the Deep South continues
slowly shifting northeastward, dragging a cold front across the
Florida peninsula today, into the local Atlantic waters by Tuesday
morning, then departing the area late Tuesday. Poor boating
conditions are forecast into Tuesday from fresh southerly winds
and scattered to numerous lightning storms. Conditions improve by
mid-week as high pressure behind the front builds over the area,
ushering in lighter winds and drier conditions.

.GULF STREAM HAZARDS... Southeast winds 15 to 20 knots.

The approximate location of the west wall of the Gulf Stream based
on the Real Time Ocean Forecast System as of Monday, May 12th,
2025.

41 nautical miles east of Ponce Inlet.
28 nautical miles east of Port Canaveral.
21 nautical miles east of Sebastian Inlet.
14 nautical miles east of Fort Pierce Inlet.
 8 nautical miles east of Saint Lucie Inlet.

$$

AMZ550-121930-
Flagler Beach to Volusia-Brevard County Line 0-20 nm-
315 AM EDT Mon May 12 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...Southeast winds 15 to 20 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: East 4 feet at 8 seconds.
Choppy on the intracoastal waters. Showers with a chance of
thunderstorms.
.TONIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East 4 feet at 8 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.
.TUESDAY...South winds 5 to 10 knots. Seas 3 feet. Wave Detail:
East 3 feet at 8 seconds. A light chop on the intracoastal
waters. A chance of showers with a slight chance of thunderstorms
in the afternoon.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: East 3 feet at 8 seconds. Mostly smooth on the
intracoastal waters. A slight chance of showers in the evening.
.WEDNESDAY...Southwest winds 5 to 10 knots, becoming southeast in
the afternoon. Seas 2 to 3 feet. Wave Detail: East 3 feet at
8 seconds. A light chop on the intracoastal waters. A slight
chance of showers and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...South winds 5 to 10 knots, becoming southwest
after midnight. Seas 2 to 3 feet. Wave Detail: East 3 feet at
8 seconds. Mostly smooth on the intracoastal waters.
.THURSDAY...Southwest winds around 5 knots, becoming southeast in
the afternoon. Seas 2 feet. A light chop on the intracoastal
waters.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots, becoming west
after midnight. Seas 2 feet. Mostly smooth on the intracoastal
waters.
.FRIDAY...Southwest winds 5 to 10 knots, becoming southeast in
the afternoon. Seas 2 feet. A light chop on the intracoastal
waters.
.FRIDAY NIGHT...South winds 5 to 10 knots, becoming southwest
after midnight. Seas 2 feet. Mostly smooth on the intracoastal
waters.

Winds and waves higher in and near thunderstorms.

$$

AMZ552-121930-
Volusia-Brevard County Line to Sebastian Inlet 0-20 nm-
315 AM EDT Mon May 12 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...Southeast winds 15 to 20 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: East 4 feet at 8 seconds.
Choppy on the intracoastal waters. A chance of thunderstorms.
Showers.
.TONIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: East 4 feet at 8 seconds. A light chop 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.
.TUESDAY...Southwest winds 5 to 10 knots, becoming south in the
afternoon. Seas 3 feet. Wave Detail: East 3 feet at 8 seconds. A
light chop on the intracoastal waters. A slight chance of
showers. A slight chance of thunderstorms in the afternoon.
.TUESDAY NIGHT...South winds 5 to 10 knots, becoming west after
midnight. Seas 2 to 3 feet. Wave Detail: East 3 feet at
8 seconds. Mostly smooth on the intracoastal waters. A slight
chance of showers and thunderstorms in the evening.
.WEDNESDAY...West winds around 5 knots, becoming southeast in the
afternoon. Seas 2 to 3 feet. Wave Detail: East 3 feet at
8 seconds. A light chop on the intracoastal waters. A slight
chance of showers and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...South winds around 10 knots, becoming
southwest after midnight. Seas 2 to 3 feet. Wave Detail: East
3 feet at 8 seconds and south 1 foot at 3 seconds. Mostly smooth
on the intracoastal waters.
.THURSDAY...Southwest winds around 5 knots, becoming southeast in
the afternoon. Seas 2 feet. A light chop on the intracoastal
waters.
.THURSDAY NIGHT...South winds 5 to 10 knots, becoming southwest
after midnight. Seas 2 feet. Mostly smooth on the intracoastal
waters.
.FRIDAY...Southwest winds around 5 knots, becoming southeast in
the afternoon. Seas 2 feet. A light chop on the intracoastal
waters.
.FRIDAY NIGHT...South winds 5 to 10 knots, becoming southwest
after midnight. Seas 2 feet. Mostly smooth on the intracoastal
waters.

Winds and waves higher in and near thunderstorms.

$$

AMZ555-121930-
Sebastian Inlet to Jupiter Inlet 0-20 nm-
315 AM EDT Mon May 12 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...Southeast winds 15 to 20 knots. Seas 4 feet. Wave
Detail: East 4 feet at 8 seconds and southeast 3 feet at
5 seconds. Choppy on the intracoastal waters. A chance of
thunderstorms. Showers.
.TONIGHT...South winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Seas 3 to 4 feet. Wave Detail: Southeast
3 feet at 5 seconds and east 3 feet at 8 seconds. A light chop on
the intracoastal waters. Showers with a chance of thunderstorms
in the evening, then a chance of showers with a slight chance of
thunderstorms after midnight.
.TUESDAY...South winds 5 to 10 knots, becoming southeast in the
afternoon. Seas 2 to 3 feet. Wave Detail: East 3 feet at
8 seconds and southeast 1 foot at 4 seconds. A light chop on the
intracoastal waters. A chance of showers with a slight chance of
thunderstorms.
.TUESDAY NIGHT...South winds 5 to 10 knots, becoming west after
midnight. Seas 2 to 3 feet. Wave Detail: East 3 feet at 8 seconds
and southeast 1 foot at 3 seconds. Mostly smooth on the
intracoastal waters. A chance of showers with a slight chance of
thunderstorms in the evening.
.WEDNESDAY...Northwest winds around 5 knots, becoming southeast
in the afternoon. Seas 2 to 3 feet. Wave Detail: East 2 feet at
8 seconds and southeast 1 foot at 3 seconds. A light chop on the
intracoastal waters. A slight chance of showers and thunderstorms
in the afternoon.
.WEDNESDAY NIGHT...South winds around 10 knots, becoming
southwest after midnight. Seas 2 feet. Wave Detail: East 2 feet
at 7 seconds and southeast 1 foot at 3 seconds. Mostly smooth on
the intracoastal waters.
.THURSDAY...Southwest winds around 5 knots, becoming southeast in
the afternoon. Seas 2 feet. A light chop on the intracoastal
waters.
.THURSDAY NIGHT...South winds 5 to 10 knots, becoming southwest
after midnight. Seas 1 to 2 feet. Mostly smooth on the
intracoastal waters.
.FRIDAY...Southwest winds around 5 knots, becoming southeast in
the afternoon. Seas 1 to 2 feet. A light chop on the intracoastal
waters.
.FRIDAY NIGHT...South winds 5 to 10 knots. Seas 2 feet. Mostly
smooth on the intracoastal waters.

Winds and waves higher in and near thunderstorms.

$$

AMZ570-121930-
Flagler Beach to Volusia-Brevard County Line 20-60 nm-
315 AM EDT Mon May 12 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...South winds 15 to 20 knots. Seas 5 feet, occasionally to
6 feet. Wave Detail: East 5 feet at 8 seconds. Showers with a
chance of thunderstorms.
.TONIGHT...South winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. Seas 4 to 5 feet, occasionally to
6 feet. Wave Detail: Southeast 4 feet at 8 seconds. Showers
likely with a chance of thunderstorms in the evening, then a
chance of showers with a slight chance of thunderstorms after
midnight.
.TUESDAY...Southwest winds 10 to 15 knots, becoming south 5 to
10 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: East
4 feet at 8 seconds. A slight chance of showers and
thunderstorms.
.TUESDAY NIGHT...South winds around 10 knots, becoming west after
midnight. Seas 3 feet. Wave Detail: East 3 feet at 8 seconds and
southwest 1 foot at 3 seconds. A chance of showers with a slight
chance of thunderstorms in the evening, then a slight chance of
showers after midnight.
.WEDNESDAY...West winds 5 to 10 knots, becoming south in the
afternoon. Seas 3 feet. Wave Detail: East 3 feet at 8 seconds and
west 1 foot at 3 seconds. A slight chance of showers in the
afternoon.
.WEDNESDAY NIGHT...South winds 10 to 15 knots, becoming southwest
after midnight. Seas 3 feet. Wave Detail: East 3 feet at
8 seconds.
.THURSDAY...Southwest winds 5 to 10 knots, becoming south in the
afternoon. Seas 2 to 3 feet.
.THURSDAY NIGHT...South winds around 10 knots, becoming southwest
after midnight. Seas 2 to 3 feet.
.FRIDAY...Southwest winds 5 to 10 knots, becoming south in the
afternoon. Seas 2 to 3 feet.
.FRIDAY NIGHT...South winds around 10 knots, becoming southwest
after midnight. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$

AMZ572-121930-
Volusia-Brevard County Line to Sebastian Inlet 20-60 nm-
315 AM EDT Mon May 12 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...Southeast winds 15 to 20 knots. Seas 5 feet,
occasionally to 6 feet. Wave Detail: East 5 feet at 8 seconds and
north 1 foot at 7 seconds. A chance of thunderstorms. Showers.
.TONIGHT...South winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. Seas 4 to 5 feet, occasionally to
6 feet. Wave Detail: East 4 feet at 8 seconds and north 1 foot at
7 seconds. Showers likely with a chance of thunderstorms in the
evening, then a chance of showers with a slight chance of
thunderstorms after midnight.
.TUESDAY...Southwest winds 10 to 15 knots, becoming south 5 to
10 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: East
4 feet at 8 seconds and north 1 foot at 7 seconds. A chance of
showers with a slight chance of thunderstorms.
.TUESDAY NIGHT...South winds around 10 knots, becoming west after
midnight. Seas 3 feet. Wave Detail: East 3 feet at 8 seconds and
southwest 1 foot at 3 seconds. A chance of showers with a slight
chance of thunderstorms in the evening, then a slight chance of
showers after midnight.
.WEDNESDAY...West winds 5 to 10 knots, becoming south in the
afternoon. Seas 3 feet. Wave Detail: East 3 feet at 8 seconds and
west 1 foot at 3 seconds. A slight chance of showers in the
afternoon.
.WEDNESDAY NIGHT...South winds 10 to 15 knots, becoming southwest
after midnight. Seas 3 feet. Wave Detail: East 3 feet at
8 seconds and south 1 foot at 2 seconds.
.THURSDAY...Southwest winds 5 to 10 knots, becoming south in the
afternoon. Seas 2 to 3 feet.
.THURSDAY NIGHT...South winds around 10 knots, becoming southwest
after midnight. Seas 2 to 3 feet.
.FRIDAY...Southwest winds 5 to 10 knots, becoming south in the
afternoon. Seas 2 to 3 feet.
.FRIDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$

AMZ575-121930-
Sebastian Inlet to Jupiter Inlet 20-60 nm-
315 AM EDT Mon May 12 2025

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...Southeast winds 15 to 20 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: East 4 feet at 8 seconds and
south 3 feet at 5 seconds. Showers likely with a chance of
thunderstorms.
.TONIGHT...South winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. Seas 3 to 4 feet. Wave Detail: South
3 feet at 5 seconds and east 3 feet at 8 seconds. Showers likely.
A chance of thunderstorms in the evening, then a slight chance of
thunderstorms after midnight.
.TUESDAY...South winds 5 to 10 knots. Seas 3 to 4 feet. Wave
Detail: East 3 feet at 8 seconds and south 2 feet at 5 seconds. A
chance of showers and thunderstorms.
.TUESDAY NIGHT...South winds around 10 knots, becoming west after
midnight. Seas 2 to 3 feet. Wave Detail: East 3 feet at 8 seconds
and south 1 foot at 3 seconds. Showers likely with a chance of
thunderstorms in the evening, then a slight chance of showers
after midnight.
.WEDNESDAY...West winds 5 to 10 knots, becoming south in the
afternoon. Seas 2 to 3 feet. Wave Detail: East 3 feet at
8 seconds and west 1 foot at 3 seconds. A slight chance of
showers.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
after midnight. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet
at 7 seconds and south 1 foot at 3 seconds.
.THURSDAY...Southwest winds 5 to 10 knots, becoming south in the
afternoon. Seas 2 to 3 feet.
.THURSDAY NIGHT...South winds around 10 knots. Seas 2 feet.
.FRIDAY...Southwest winds 5 to 10 knots, becoming south in the
afternoon. Seas 2 feet.
.FRIDAY NIGHT...South winds around 10 knots. Seas 2 feet.

Winds and seas higher in and near thunderstorms.

$$