National Weather Service National Headquarters

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
FZUS52 KMLB 290121
CWFMLB

Coastal Waters Forecast for East Central Florida
National Weather Service Melbourne FL
921 PM EDT Thu Sep 28 2023

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.

AMZ500-290930-
Synopsis for Flagler Beach to Jupiter Inlet out to 60 nm-
921 PM EDT Thu Sep 28 2023

.SYNOPSIS...The stationary frontal boundary draped across central
Florida and the local Atlantic waters will remain in place
through late week, meandering a bit through the period. Winds and
seas decrease briefly, before boating conditions become poor to
hazardous this weekend through early next week as northeasterly
winds and seas once again increase. Coverage of shower and storms
will remain high over the next several days, with stronger storms
capable of gusty winds, frequent lightning, heavy rainfall, and
locally higher seas.


.GULF STREAM HAZARDS...Seas up to 6 feet north of Sebastian
Inlet.

The approximate location of the west wall of the Gulf Stream
based on the Real Time Ocean Forecast System as of Wednesday,
September 27th.

38 nautical miles east of Ponce Inlet.
28 nautical miles east of Port Canaveral.
22 nautical miles east of Sebastian Inlet.
14 nautical miles east of Fort Pierce Inlet.
 9 nautical miles east of Saint Lucie Inlet.



$$

AMZ550-290930-
Flagler Beach to Volusia-Brevard County Line 0-20 nm-
921 PM EDT Thu Sep 28 2023

...SMALL CRAFT SHOULD EXERCISE CAUTION TONIGHT...

.TONIGHT...Northeast winds 15 to 20 knots, diminishing to 5 to
10 knots. Seas 4 to 6 feet with occasional seas to 7 feet. A
dominant period 9 seconds. Choppy on the intracoastal waters.
Showers likely and a chance of thunderstorms in the evening, then
a chance of showers and a slight chance of thunderstorms after
midnight.
.FRIDAY...Northeast winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas to 6 feet. A dominant period 9 seconds. A
moderate chop on the intracoastal waters. Showers likely and a
chance of thunderstorms.
.FRIDAY NIGHT...Northeast winds 10 to 15 knots, diminishing to
5 to 10 knots after midnight. Seas 3 to 5 feet with occasional
seas to 6 feet. A dominant period 8 seconds. A light chop on the
intracoastal waters. A chance of showers and a slight chance of
thunderstorms in the evening, then showers likely and a chance of
thunderstorms after midnight.
.SATURDAY...Northeast winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas to 6 feet. A moderate chop on the intracoastal
waters. Showers likely and a chance of thunderstorms.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to
5 feet with occasional seas to 6 feet. A light chop on the
intracoastal waters. Showers likely and a chance of
thunderstorms.
.SUNDAY...Northeast winds 15 to 20 knots. Seas 4 to 6 feet with
occasional seas to 7 feet. Choppy on the intracoastal waters.
Showers likely and a chance of thunderstorms.
.SUNDAY NIGHT...Northeast winds 15 to 20 knots. Seas 4 to 6 feet
with occasional seas to 7 feet. A chance of showers and a slight
chance of thunderstorms.
.MONDAY...Northeast winds 15 to 20 knots. Seas 5 to 7 feet with
occasional seas to 9 feet. A chance of showers and thunderstorms.
.MONDAY NIGHT...Northeast winds 15 to 20 knots. Seas 5 to 7 feet
with occasional seas to 9 feet. A chance of showers and a slight
chance of thunderstorms.
.TUESDAY...Northeast winds 15 knots. Seas 5 to 7 feet with
occasional seas to 9 feet. A chance of showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

AMZ552-290930-
Volusia-Brevard County Line to Sebastian Inlet 0-20 nm-
921 PM EDT Thu Sep 28 2023

.TONIGHT...East winds 5 to 10 knots, becoming southwest late in
the night. Seas 3 to 5 feet with occasional seas to 6 feet. A
dominant period 10 seconds. Mostly smooth on the intracoastal
waters. A chance of showers and a slight chance of thunderstorms.
.FRIDAY...North winds 5 knots, becoming northeast in the
afternoon. Seas 3 to 5 feet with occasional seas to 6 feet. A
dominant period 9 seconds. A light chop on the intracoastal
waters. A chance of showers in the morning. A chance of
thunderstorms. Showers likely in the afternoon.
.FRIDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet with
occasional seas to 5 feet. A dominant period 12 seconds. Mostly
smooth on the intracoastal waters. Showers likely and a chance of
thunderstorms.
.SATURDAY...Northeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Seas 3 to 4 feet with occasional seas
to 5 feet. A moderate chop on the intracoastal waters. Showers
and a chance of thunderstorms.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to
5 feet with occasional seas to 6 feet. A light chop on the
intracoastal waters. Showers likely and a chance of
thunderstorms.
.SUNDAY...Northeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Seas 4 to 6 feet with occasional seas
to 7 feet. Choppy on the intracoastal waters. Showers likely and
a chance of thunderstorms.
.SUNDAY NIGHT...Northeast winds 15 to 20 knots. Seas 4 to 6 feet
with occasional seas to 7 feet. Showers likely and a chance of
thunderstorms.
.MONDAY...Northeast winds 15 knots. Seas 5 to 7 feet with
occasional seas to 9 feet. A chance of showers and thunderstorms.
.MONDAY NIGHT...Northeast winds 15 knots. Seas 5 to 7 feet with
occasional seas to 9 feet. Showers likely and a chance of
thunderstorms.
.TUESDAY...Northeast winds 15 to 20 knots. Seas 6 to 8 feet with
occasional seas to 10 feet. A chance of showers and
thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

AMZ555-290930-
Sebastian Inlet to Jupiter Inlet 0-20 nm-
921 PM EDT Thu Sep 28 2023

.TONIGHT...Southeast winds 5 knots, becoming south after
midnight. Seas 3 to 5 feet with occasional seas to 6 feet. A
dominant period 10 seconds. Smooth on the intracoastal waters. A
chance of showers and a slight chance of thunderstorms.
.FRIDAY...South winds 5 knots, becoming east in the afternoon.
Seas 3 to 4 feet with occasional seas to 5 feet. A dominant
period 9 seconds. A light chop on the intracoastal waters. A
chance of showers in the morning. A chance of thunderstorms.
Showers likely in the afternoon.
.FRIDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet with
occasional seas to 5 feet. A dominant period 9 seconds. Mostly
smooth on the intracoastal waters. Showers likely and a chance of
thunderstorms.
.SATURDAY...East winds 5 to 10 knots, becoming northeast 10 to
15 knots in the afternoon. Seas 3 to 4 feet with occasional seas
to 5 feet. A moderate chop on the intracoastal waters. Showers
and a chance of thunderstorms.
.SATURDAY NIGHT...East winds 10 to 15 knots, becoming northeast
5 to 10 knots after midnight. Seas 3 to 4 feet with occasional
seas to 5 feet. A light chop on the intracoastal waters. Showers
likely and a chance of thunderstorms.
.SUNDAY...Northeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Seas 3 to 5 feet with occasional seas
to 6 feet. Choppy on the intracoastal waters. Showers likely and
a chance of thunderstorms.
.SUNDAY NIGHT...Northeast winds 15 to 20 knots, diminishing to
10 to 15 knots after midnight. Seas 3 to 5 feet with occasional
seas to 6 feet. Showers likely and a chance of thunderstorms.
.MONDAY...Northeast winds 15 knots. Seas 5 to 7 feet with
occasional seas to 9 feet. Showers likely and a chance of
thunderstorms.
.MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas 6 to 8 feet
with occasional seas to 10 feet. A chance of showers and a slight
chance of thunderstorms.
.TUESDAY...Northeast winds 10 to 15 knots. Seas 6 to 8 feet with
occasional seas to 10 feet. A chance of showers and
thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

AMZ570-290930-
Flagler Beach to Volusia-Brevard County Line 20-60 nm-
921 PM EDT Thu Sep 28 2023

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TONIGHT...East winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Seas 4 to 6 feet with occasional seas to
7 feet. A dominant period 9 seconds. Showers likely and a chance
of thunderstorms.
.FRIDAY...Northeast winds 10 to 15 knots. Seas 4 to 6 feet with
occasional seas to 7 feet. A dominant period 9 seconds. Showers
likely and a chance of thunderstorms.
.FRIDAY NIGHT...Northeast winds 10 to 15 knots, diminishing to
5 to 10 knots after midnight. Seas 4 to 6 feet with occasional
seas to 7 feet. A dominant period 8 seconds. Showers likely and a
chance of thunderstorms.
.SATURDAY...Northeast winds 10 to 15 knots. Seas 4 to 6 feet with
occasional seas to 7 feet. Showers and a chance of thunderstorms.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots. Seas 4 to
6 feet with occasional seas to 7 feet. Showers likely and a
chance of thunderstorms.
.SUNDAY...Northeast winds 15 to 20 knots. Seas 5 to 7 feet with
occasional seas to 9 feet. Showers likely and a chance of
thunderstorms.
.SUNDAY NIGHT...Northeast winds 15 to 20 knots. Seas 5 to 7 feet
with occasional seas to 9 feet. Showers likely and a chance of
thunderstorms.
.MONDAY...Northeast winds 15 to 20 knots. Seas 6 to 8 feet with
occasional seas to 10 feet. Showers likely and a chance of
thunderstorms.
.MONDAY NIGHT...Northeast winds 15 to 20 knots. Seas 6 to 8 feet
with occasional seas to 10 feet. Showers likely and a chance of
thunderstorms.
.TUESDAY...Northeast winds 15 to 20 knots. Seas 6 to 8 feet with
occasional seas to 10 feet. A chance of showers and
thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

AMZ572-290930-
Volusia-Brevard County Line to Sebastian Inlet 20-60 nm-
921 PM EDT Thu Sep 28 2023

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TONIGHT...East winds 5 to 10 knots, becoming south after
midnight. Seas 4 to 6 feet with occasional seas to 7 feet. A
dominant period 9 seconds. A chance of showers and a slight
chance of thunderstorms in the evening, then showers likely and a
chance of thunderstorms after midnight.
.FRIDAY...East winds 5 to 10 knots. Seas 4 to 6 feet with
occasional seas to 7 feet. A dominant period 8 seconds. Showers
likely and a chance of thunderstorms.
.FRIDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 5 feet with
occasional seas to 6 feet. A dominant period 8 seconds. Showers
likely and a chance of thunderstorms.
.SATURDAY...Northeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Seas 3 to 5 feet with occasional seas
to 6 feet. Showers and a chance of thunderstorms.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots. Seas 4 to
6 feet with occasional seas to 7 feet. Showers likely and a
chance of thunderstorms.
.SUNDAY...Northeast winds 15 to 20 knots. Seas 5 to 7 feet with
occasional seas to 9 feet. Showers likely and a chance of
thunderstorms.
.SUNDAY NIGHT...Northeast winds 15 to 20 knots. Seas 5 to 7 feet
with occasional seas to 9 feet. Showers likely and a chance of
thunderstorms.
.MONDAY...Northeast winds 15 to 20 knots. Seas 6 to 8 feet with
occasional seas to 10 feet. Showers likely and a chance of
thunderstorms.
.MONDAY NIGHT...Northeast winds 15 to 20 knots. Seas 7 to 9 feet
with occasional seas to 11 feet. Showers likely and a chance of
thunderstorms.
.TUESDAY...Northeast winds 15 to 20 knots. Seas 7 to 9 feet with
occasional seas to 11 feet. A chance of showers and
thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

AMZ575-290930-
Sebastian Inlet to Jupiter Inlet 20-60 nm-
921 PM EDT Thu Sep 28 2023

.TONIGHT...Southeast winds 5 to 10 knots, becoming south late in
the night. Seas 3 to 5 feet with occasional seas to 6 feet. A
dominant period 9 seconds. A chance of showers and a slight
chance of thunderstorms in the evening, then showers likely and a
chance of thunderstorms after midnight.
.FRIDAY...South winds 5 to 10 knots, becoming southeast in the
afternoon. Seas 3 to 5 feet with occasional seas to 6 feet. A
dominant period 9 seconds. Showers likely in the morning. A
chance of thunderstorms. A chance of showers in the afternoon.
.FRIDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 5 feet with
occasional seas to 6 feet. A dominant period 8 seconds. Showers
likely and a chance of thunderstorms.
.SATURDAY...East winds 5 to 10 knots. Seas 3 to 5 feet with
occasional seas to 6 feet. Showers and a chance of thunderstorms.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet
with occasional seas to 6 feet. Showers likely and a chance of
thunderstorms.
.SUNDAY...Northeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Seas 4 to 6 feet with occasional seas
to 7 feet. Showers likely and a chance of thunderstorms.
.SUNDAY NIGHT...Northeast winds 15 to 20 knots. Seas 4 to 6 feet
with occasional seas to 7 feet. Showers likely and a chance of
thunderstorms.
.MONDAY...Northeast winds 15 knots. Seas 6 to 8 feet with
occasional seas to 10 feet. Showers likely and a chance of
thunderstorms.
.MONDAY NIGHT...Northeast winds 15 knots. Seas 7 to 9 feet with
occasional seas to 11 feet. Showers likely and a chance of
thunderstorms.
.TUESDAY...Northeast winds 15 knots. Seas 7 to 9 feet with
occasional seas to 11 feet. A chance of showers and
thunderstorms.

Winds and seas higher in and near thunderstorms.

$$