878
FZUS52 KMLB 121917
CWFMLB

Coastal Waters Forecast for East Central Florida
National Weather Service Melbourne FL
217 PM EST Fri Dec 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.

AMZ500-130900-
Synopsis for Flagler Beach to Jupiter Inlet out to 60 nm
217 PM EST Fri Dec 12 2025

.SYNOPSIS...High pressure centered over north central Florida
this afternoon will push seaward Saturday with a trailing ridge
axis across the northern waters. A frontal boundary across south
Florida will lift northward Saturday night and Sunday bringing
scattered showers and isolated storms to the southern waters. A
cold front is forecast to push through Sunday evening and Sunday
night and bring a period of dangerous boating conditions into
Monday. High pressure will then build over the local waters with
improving boating conditions into middle of next week.


.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, December 12th, 2025.

44 nautical miles east of Ponce Inlet.
32 nautical miles east of Port Canaveral.
26 nautical miles east of Sebastian Inlet.
18 nautical miles east of Fort Pierce Inlet.
11 nautical miles east of Saint Lucie Inlet.

$$

AMZ550-130900-
Flagler Beach to Volusia-Brevard County Line 0-20 nm-
217 PM EST Fri Dec 12 2025

.TONIGHT...South winds around 5 knots, becoming northwest late.
Seas 1 to 2 feet. Wave Detail: Northeast 2 feet at 7 seconds.
Smooth on the intracoastal waters.
.SATURDAY...North winds around 5 knots, becoming northeast in the
afternoon. Seas 1 foot. Wave Detail: Northeast 1 foot at
8 seconds. Smooth on the intracoastal waters.
.SATURDAY NIGHT...Southeast winds around 5 knots, becoming west
after midnight. Seas 1 to 2 feet. Wave Detail: Southeast 1 foot
at 3 seconds and northeast 1 foot at 8 seconds. Smooth on the
intracoastal waters.
.SUNDAY...Northwest winds 5 to 10 knots, increasing to 20 to
25 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: North
3 feet at 4 seconds and southeast 1 foot at 4 seconds. Rough on
the intracoastal waters.
.SUNDAY NIGHT...North winds 25 to 30 knots. Seas 4 to 6 feet,
occasionally to 8 feet, building to 7 to 9 feet, occasionally to
11 feet after midnight. Wave Detail: North 6 feet at 6 seconds
and northeast 6 feet at 9 seconds, becoming north 9 feet at
8 seconds after midnight. Very rough on the intracoastal waters.
.MONDAY...Northeast winds 25 to 30 knots, diminishing to 15 to
20 knots in the afternoon. Seas 8 to 9 feet, occasionally to
11 feet, subsiding to 6 to 7 feet, occasionally to 9 feet in the
afternoon. Wave Detail: Northeast 9 feet at 9 seconds, becoming
northeast 7 feet at 10 seconds in the afternoon. Very rough on
the intracoastal waters.
.MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet. A light chop on the intracoastal waters.
.TUESDAY...Northeast winds around 10 knots. Seas 4 to 5 feet,
occasionally to 6 feet. A light chop on the intracoastal waters.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet.
Mostly smooth on the intracoastal waters.
.WEDNESDAY...East winds 5 to 10 knots. Seas 3 feet. A light chop
on the intracoastal waters.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to
4 feet. Mostly smooth on the intracoastal waters.

$$

AMZ552-130900-
Volusia-Brevard County Line to Sebastian Inlet 0-20 nm-
217 PM EST Fri Dec 12 2025

.TONIGHT...Southeast winds around 5 knots, becoming northwest
late. Seas 1 to 2 feet. Wave Detail: North 2 feet at 7 seconds.
Smooth on the intracoastal waters.
.SATURDAY...Northeast winds around 5 knots, becoming east in the
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.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots, becoming
southwest after midnight. Seas 1 to 2 feet. Wave Detail: East
1 foot at 4 seconds and northeast 1 foot at 8 seconds. Mostly
smooth on the intracoastal waters. A slight chance of showers
after midnight.
.SUNDAY...Northwest winds 5 to 10 knots, becoming north 10 to
15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail:
Northeast 3 feet at 4 seconds and east 2 feet at 9 seconds. A
moderate chop on the intracoastal waters. A slight chance of
showers in the morning.
.SUNDAY NIGHT...North winds 25 to 30 knots. Seas 3 to 5 feet,
occasionally to 6 feet, building to 6 to 8 feet, occasionally to
10 feet after midnight. Wave Detail: Northeast 5 feet at
8 seconds, becoming north 8 feet at 8 seconds after midnight.
Very rough on the intracoastal waters. A slight chance of showers
after midnight.
.MONDAY...Northeast winds 25 to 30 knots, diminishing to 15 to
20 knots in the afternoon. Seas 6 to 8 feet, occasionally to
10 feet. Wave Detail: Northeast 8 feet at 10 seconds. Very rough
on the intracoastal waters.
.MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet. A light chop on the intracoastal waters.
.TUESDAY...Northeast winds around 10 knots. Seas 4 to 5 feet,
occasionally to 6 feet. A light chop on the intracoastal waters.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet.
Mostly smooth on the intracoastal waters.
.WEDNESDAY...East winds 5 to 10 knots. Seas 3 to 4 feet. A light
chop on the intracoastal waters.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to
4 feet. Mostly smooth on the intracoastal waters.

$$

AMZ555-130900-
Sebastian Inlet to Jupiter Inlet 0-20 nm-
217 PM EST Fri Dec 12 2025

.TONIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: North 2 feet at 7 seconds and southeast 1 foot at
4 seconds. Mostly smooth on the intracoastal waters.
.SATURDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: East 2 feet at 4 seconds and northeast 2 feet at
8 seconds. A light chop on the intracoastal waters.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to
3 feet. Wave Detail: East 2 feet at 4 seconds and northeast
2 feet at 8 seconds. Mostly smooth on the intracoastal waters. A
slight chance of showers in the evening, then a chance of showers
and thunderstorms after midnight.
.SUNDAY...Northwest winds 5 to 10 knots, becoming north 10 to
15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: North
3 feet at 4 seconds and east 1 foot at 4 seconds. A moderate chop
on the intracoastal waters. A chance of showers with a slight
chance of thunderstorms.
.SUNDAY NIGHT...North winds 20 to 25 knots, increasing to 25 to
30 knots after midnight. Seas 3 to 4 feet, building to 6 to
8 feet, occasionally to 10 feet after midnight. Wave Detail:
Northeast 4 feet at 7 seconds, becoming north 8 feet at 8 seconds
after midnight. Very rough on the intracoastal waters. A slight
chance of showers in the evening, then a chance of showers with a
slight chance of thunderstorms after midnight.
.MONDAY...Northeast winds 25 to 30 knots, diminishing to 15 to
20 knots in the afternoon. Seas 8 to 10 feet, occasionally to
13 feet. Wave Detail: North 10 feet at 9 seconds. Very rough on
the intracoastal waters. A slight chance of showers in the
morning.
.MONDAY NIGHT...Northeast winds 15 to 20 knots, diminishing to
10 to 15 knots after midnight. Seas 6 to 8 feet, occasionally to
10 feet. Choppy on the intracoastal waters.
.TUESDAY...Northeast winds 10 to 15 knots. Seas 5 to 7 feet,
occasionally to 9 feet. A moderate chop on the intracoastal
waters.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet. A light chop on the intracoastal waters.
.WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. A
moderate chop on the intracoastal waters.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. A
light chop on the intracoastal waters.

Winds and waves higher in and near thunderstorms.

$$

AMZ570-130900-
Flagler Beach to Volusia-Brevard County Line 20-60 nm-
217 PM EST Fri Dec 12 2025

.TONIGHT...South winds 5 to 10 knots, becoming west late. Seas
2 to 3 feet. Wave Detail: Northeast 2 feet at 7 seconds.
.SATURDAY...West winds around 5 knots, becoming east in the
afternoon. Seas 2 feet. Wave Detail: Northeast 2 feet at
8 seconds.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots, becoming
southwest after midnight. Seas 2 feet. Wave Detail: East 2 feet
at 8 seconds and southeast 1 foot at 3 seconds.
.SUNDAY...Northwest winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Seas 2 to 3 feet, building to 3 to
5 feet, occasionally to 6 feet in the afternoon. Wave Detail:
Northwest 2 feet at 3 seconds and east 2 feet at 9 seconds,
becoming northwest 5 feet at 5 seconds and east 2 feet at
9 seconds in the afternoon. A slight chance of showers.
.SUNDAY NIGHT...North winds 25 to 30 knots. Seas 6 to 8 feet,
occasionally to 10 feet, building to 9 to 11 feet, occasionally
to 14 feet after midnight. Wave Detail: North 8 feet at 7 seconds
and east 2 feet at 9 seconds, becoming northeast 11 feet at
9 seconds and north 10 feet at 7 seconds after midnight. A chance
of showers.
.MONDAY...Northeast winds 20 to 25 knots, diminishing to 15 to
20 knots in the afternoon. Seas 9 to 11 feet, occasionally to
14 feet. Wave Detail: Northeast 11 feet at 10 seconds. A chance
of showers in the morning, then a slight chance of showers in the
afternoon.
.MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas 6 to 8 feet,
occasionally to 10 feet. A slight chance of showers in the
evening.
.TUESDAY...East winds around 10 knots. Seas 4 to 6 feet,
occasionally to 8 feet.
.TUESDAY NIGHT...East winds around 10 knots. Seas 4 to 5 feet,
occasionally to 6 feet.
.WEDNESDAY...Southeast winds around 10 knots. Seas 3 to 4 feet.
.WEDNESDAY NIGHT...Southeast winds around 10 knots. Seas 4 to
5 feet, occasionally to 6 feet. A slight chance of showers.

$$

AMZ572-130900-
Volusia-Brevard County Line to Sebastian Inlet 20-60 nm-
217 PM EST Fri Dec 12 2025

.TONIGHT...Southeast winds 5 to 10 knots, becoming south after
midnight. Seas 2 to 3 feet. Wave Detail: North 3 feet at
5 seconds and northeast 2 feet at 8 seconds.
.SATURDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: North 2 feet at 5 seconds and northeast 2 feet at
8 seconds.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
after midnight. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet
at 8 seconds and southeast 1 foot at 4 seconds. A slight chance
of showers after midnight.
.SUNDAY...Northwest winds 5 to 10 knots, increasing to 15 to
20 knots in the afternoon. Seas 3 to 4 feet. Wave Detail:
Northwest 4 feet at 5 seconds and east 2 feet at 9 seconds. A
chance of showers with a slight chance of thunderstorms in the
morning, then a slight chance of showers in the afternoon.
.SUNDAY NIGHT...North winds 20 to 25 knots, increasing to 25 to
30 knots after midnight. Seas 5 to 7 feet, occasionally to
9 feet, building to 9 to 11 feet, occasionally to 14 feet after
midnight. Wave Detail: North 7 feet at 7 seconds and east 2 feet
at 9 seconds, becoming northeast 11 feet at 9 seconds and north
10 feet at 8 seconds after midnight. A chance of showers. A
slight chance of thunderstorms after midnight.
.MONDAY...Northeast winds 25 to 30 knots, diminishing to 15 to
20 knots in the afternoon. Seas 10 to 12 feet, occasionally to
15 feet. Wave Detail: Northeast 12 feet at 10 seconds and north
9 feet at 9 seconds. A chance of showers in the morning, then a
slight chance of showers in the afternoon.
.MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas 7 to 9 feet,
occasionally to 11 feet. A slight chance of showers.
.TUESDAY...East winds 10 to 15 knots. Seas 5 to 7 feet,
occasionally to 9 feet.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 6 feet,
occasionally to 8 feet.
.WEDNESDAY...East winds 10 to 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to
5 feet, occasionally to 6 feet. A slight chance of showers.

Winds and seas higher in and near thunderstorms.

$$

AMZ575-130900-
Sebastian Inlet to Jupiter Inlet 20-60 nm-
217 PM EST Fri Dec 12 2025

.TONIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: North 3 feet at 7 seconds and south 1 foot at 4 seconds.
.SATURDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Northeast 3 feet at 8 seconds and east 2 feet at
4 seconds.
.SATURDAY NIGHT...East winds 10 to 15 knots, becoming southeast
5 to 10 knots after midnight. Seas 2 to 3 feet. Wave Detail: East
2 feet at 4 seconds and northeast 2 feet at 8 seconds. A slight
chance of showers in the evening, then a chance of showers and
thunderstorms after midnight.
.SUNDAY...West winds 5 to 10 knots, becoming northwest 10 to
15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: North
3 feet at 4 seconds and east 1 foot at 4 seconds. Showers likely
with a chance of thunderstorms in the morning, then a chance of
showers with a slight chance of thunderstorms in the afternoon.
.SUNDAY NIGHT...North winds 20 to 25 knots, increasing to 25 to
30 knots after midnight. Seas 4 to 6 feet, occasionally to
8 feet, building to 7 to 9 feet, occasionally to 11 feet after
midnight. Wave Detail: North 6 feet at 6 seconds and east 1 foot
at 9 seconds, becoming north 9 feet at 8 seconds after midnight.
A chance of showers in the evening, then showers likely with a
slight chance of thunderstorms after midnight.
.MONDAY...Northeast winds 25 to 30 knots, diminishing to 20 to
25 knots in the afternoon. Seas 10 to 12 feet, occasionally to
15 feet. Wave Detail: North 12 feet at 10 seconds. A chance of
showers in the morning, then a slight chance of showers in the
afternoon.
.MONDAY NIGHT...Northeast winds 15 to 20 knots, diminishing to
10 to 15 knots after midnight. Seas 8 to 10 feet, occasionally to
13 feet, subsiding to 7 to 8 feet, occasionally to 10 feet after
midnight. A slight chance of showers.
.TUESDAY...Northeast winds 10 to 15 knots. Seas 6 to 7 feet,
occasionally to 9 feet.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 5 to 6 feet,
occasionally to 8 feet.
.WEDNESDAY...East winds 10 to 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet. A slight chance of showers.

Winds and seas higher in and near thunderstorms.

$$