National Weather Service Weather Forecast Office

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

000
FZUS52 KMLB 210103
CWFMLB

Coastal Waters Forecast for East Central Florida
National Weather Service Melbourne FL
903 PM EDT Sat Apr 20 2024

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.

AMZ500-210830-
Synopsis for Flagler Beach to Jupiter Inlet out to 60 nm-
903 PM EDT Sat Apr 20 2024

.SYNOPSIS...The Atlantic high pressure ridge axis will remain
across south Florida through the weekend. Poor boating conditions
are expected to develop offshore late Sunday afternoon and evening,
as southerly winds increase ahead of a weak cool front which will
cross the waters early Monday. Boating conditions will further
deteriorate behind the front, with isolated strong lightning
storms Monday afternoon, and building seas Monday evening.
Conditions improve by Wednesday as high pressure builds in behind.

.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 Saturday, April 20th.

39 nautical miles east of Ponce Inlet.
30 nautical miles east of Port Canaveral.
24 nautical miles east of Sebastian Inlet.
16 nautical miles east of Fort Pierce Inlet.
11 nautical miles east of Saint Lucie Inlet.

$$

AMZ550-210830-
Flagler Beach to Volusia-Brevard County Line 0-20 nm-
903 PM EDT Sat Apr 20 2024

.TONIGHT...South winds 5 to 10 knots, becoming west after
midnight. Seas 2 to 3 feet. A dominant period 10 seconds. Mostly
smooth on the intracoastal waters.
.SUNDAY...Southwest winds 5 to 10 knots. Seas 2 to 3 feet. A
dominant period 10 seconds. A light chop on the intracoastal
waters.
.SUNDAY NIGHT...West winds 10 knots, becoming northwest after
midnight. Seas 2 to 3 feet. A dominant period 9 seconds. Mostly
smooth on the intracoastal waters. A slight chance of showers in
the evening. A slight chance of thunderstorms. A chance of
showers after midnight.
.MONDAY...North winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Seas 2 to 3 feet, building to 4 to
6 feet with occasional seas to 7 feet in the afternoon. Choppy on
the intracoastal waters. Showers likely in the morning. A slight
chance of thunderstorms. A chance of showers in the afternoon.
.MONDAY NIGHT...North winds 15 to 20 knots. Seas 5 to 7 feet with
occasional seas to 9 feet. Choppy on the intracoastal waters. A
slight chance of showers and thunderstorms in the evening.
.TUESDAY...Northeast winds 10 to 15 knots. Seas 4 to 6 feet with
occasional seas to 7 feet. A moderate chop on the intracoastal
waters.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 5 feet with
occasional seas to 6 feet.
.WEDNESDAY...Northeast winds 5 to 10 knots. Seas 3 to 4 feet with
occasional seas to 5 feet.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
after midnight. Seas 2 to 3 feet.
.THURSDAY...South winds 5 to 10 knots, becoming east in the
afternoon. Seas 2 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

AMZ552-210830-
Volusia-Brevard County Line to Sebastian Inlet 0-20 nm-
903 PM EDT Sat Apr 20 2024

.TONIGHT...South winds 10 to 15 knots, becoming southwest 5 to
10 knots after midnight. Seas 2 to 3 feet. A dominant period
11 seconds. A light chop on the intracoastal waters.
.SUNDAY...Southwest winds 5 to 10 knots, becoming south 10 to
15 knots in the afternoon. Seas 2 to 3 feet. A dominant period
10 seconds. A moderate chop on the intracoastal waters. A slight
chance of showers in the afternoon.
.SUNDAY NIGHT...Southwest winds 10 to 15 knots, becoming west
5 to 10 knots after midnight. Seas 2 to 3 feet. A dominant period
9 seconds. A light chop on the intracoastal waters. A slight
chance of showers. A slight chance of thunderstorms after
midnight.
.MONDAY...Northwest winds 5 to 10 knots, becoming north 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. A chance
of showers in the morning. A slight chance of thunderstorms.
Showers likely in the afternoon.
.MONDAY NIGHT...North winds 15 knots. Seas 4 to 6 feet with
occasional seas to 7 feet. A light chop on the intracoastal
waters. A slight chance of showers and thunderstorms.
.TUESDAY...Northeast winds 10 to 15 knots. Seas 4 to 6 feet with
occasional seas to 7 feet. A moderate chop on the intracoastal
waters.
.TUESDAY NIGHT...Northeast winds 10 to 15 knots, becoming east
5 to 10 knots after midnight. Seas 3 to 5 feet with occasional
seas to 6 feet.
.WEDNESDAY...East winds 5 to 10 knots. Seas 3 to 4 feet with
occasional seas to 5 feet.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to
4 feet with occasional seas to 5 feet.
.THURSDAY...East winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Seas 2 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

AMZ555-210830-
Sebastian Inlet to Jupiter Inlet 0-20 nm-
903 PM EDT Sat Apr 20 2024

.TONIGHT...South winds 10 to 15 knots, becoming southwest after
midnight, then, diminishing to 5 to 10 knots late in the night.
Seas 2 to 3 feet. A dominant period 11 seconds. A light chop on
the intracoastal waters.
.SUNDAY...Southwest winds 10 to 15 knots, becoming south in the
afternoon. Seas 3 to 4 feet with occasional seas to 5 feet. A
dominant period 10 seconds. A moderate chop on the intracoastal
waters. A slight chance of showers in the afternoon.
.SUNDAY NIGHT...Southwest winds 10 to 15 knots, becoming west
5 to 10 knots after midnight. Seas 2 to 3 feet. A dominant period
9 seconds. A light chop on the intracoastal waters.
.MONDAY...West winds 5 to 10 knots, becoming northwest 10 to
15 knots in the afternoon. Seas 2 to 3 feet. A moderate chop on
the intracoastal waters. A slight chance of showers in the
morning. A slight chance of thunderstorms. Showers likely in the
afternoon.
.MONDAY NIGHT...North winds 10 to 15 knots. Seas 3 to 4 feet with
occasional seas to 5 feet, building to 4 to 6 feet with
occasional seas to 7 feet after midnight. A light chop on the
intracoastal waters. A chance of showers and a slight chance of
thunderstorms in the evening.
.TUESDAY...Northeast winds 10 to 15 knots. Seas 4 to 6 feet with
occasional seas to 7 feet. A moderate chop on the intracoastal
waters. A slight chance of showers.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 6 feet with
occasional seas to 7 feet.
.WEDNESDAY...East winds 10 knots. Seas 3 to 5 feet with
occasional seas to 6 feet.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet
with occasional seas to 5 feet.
.THURSDAY...East 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.

Winds and waves higher in and near thunderstorms.

$$

AMZ570-210830-
Flagler Beach to Volusia-Brevard County Line 20-60 nm-
903 PM EDT Sat Apr 20 2024

.TONIGHT...South winds 10 to 15 knots, becoming southwest after
midnight. Seas 3 to 4 feet with occasional seas to 5 feet. A
dominant period 10 seconds.
.SUNDAY...Southwest winds 10 to 15 knots, becoming south in the
afternoon. Seas 2 to 3 feet. A dominant period 9 seconds. A
slight chance of showers in the afternoon.
.SUNDAY NIGHT...West winds 10 to 15 knots, becoming northwest
after midnight. Seas 3 to 4 feet with occasional seas to 5 feet.
A dominant period 9 seconds. A chance of showers and a slight
chance of thunderstorms.
.MONDAY...Northwest winds 10 to 15 knots, becoming north 15 to
20 knots in the afternoon. Seas 3 to 4 feet with occasional seas
to 5 feet, building to 4 to 6 feet with occasional seas to 7 feet
in the afternoon. Showers likely and a slight chance of
thunderstorms.
.MONDAY NIGHT...North winds 15 to 20 knots. Seas 7 to 9 feet with
occasional seas to 11 feet. A chance of showers and a slight
chance of thunderstorms.
.TUESDAY...Northeast winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Seas 6 to 8 feet with occasional seas
to 10 feet. A slight chance of showers.
.TUESDAY NIGHT...Northeast winds 10 to 15 knots, becoming east
5 to 10 knots after midnight. Seas 4 to 6 feet with occasional
seas to 7 feet.
.WEDNESDAY...Northeast winds 5 to 10 knots. Seas 3 to 5 feet with
occasional seas to 6 feet.
.WEDNESDAY NIGHT...Southeast winds 10 knots, becoming south after
midnight. Seas 3 to 4 feet with occasional seas to 5 feet.
.THURSDAY...South winds 5 to 10 knots, becoming east in the
afternoon. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$

AMZ572-210830-
Volusia-Brevard County Line to Sebastian Inlet 20-60 nm-
903 PM EDT Sat Apr 20 2024

.TONIGHT...South winds 10 to 15 knots, becoming southwest after
midnight. Seas 3 to 4 feet with occasional seas to 5 feet. A
dominant period 10 seconds.
.SUNDAY...Southwest winds 10 to 15 knots, becoming south 15 to
20 knots in the afternoon. Seas 2 to 3 feet. A dominant period
10 seconds. A slight chance of showers in the afternoon.
.SUNDAY NIGHT...Southwest winds 15 to 20 knots, becoming west
10 to 15 knots after midnight. Seas 3 to 4 feet with occasional
seas to 5 feet. A dominant period 9 seconds. A slight chance of
showers in the evening. A slight chance of thunderstorms. A
chance of showers after midnight.
.MONDAY...Northwest winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas to 6 feet. A chance of showers in the morning. A
slight chance of thunderstorms. Showers likely in the afternoon.
.MONDAY NIGHT...North winds 15 to 20 knots. Seas 7 to 9 feet with
occasional seas to 11 feet. A chance of showers and a slight
chance of thunderstorms.
.TUESDAY...Northeast winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Seas 6 to 8 feet with occasional seas
to 10 feet. A slight chance of showers.
.TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 4 to 6 feet
with occasional seas to 7 feet.
.WEDNESDAY...Northeast winds 10 knots. Seas 3 to 5 feet with
occasional seas to 6 feet.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet
with occasional seas to 5 feet.
.THURSDAY...East winds 5 to 10 knots. Seas 3 to 4 feet with
occasional seas to 5 feet.

Winds and seas higher in and near thunderstorms.

$$

AMZ575-210830-
Sebastian Inlet to Jupiter Inlet 20-60 nm-
903 PM EDT Sat Apr 20 2024

.TONIGHT...South winds 10 to 15 knots, becoming southwest late in
the night. Seas 2 to 3 feet. A dominant period 11 seconds.
.SUNDAY...Southwest winds 10 to 15 knots, becoming south 15 to
20 knots in the afternoon. Seas 3 to 4 feet with occasional seas
to 5 feet. A dominant period 10 seconds.
.SUNDAY NIGHT...South winds 15 to 20 knots, becoming west 10 to
15 knots after midnight. Seas 3 to 4 feet with occasional seas to
5 feet. A dominant period 9 seconds. A slight chance of showers.
A slight chance of thunderstorms after midnight.
.MONDAY...West winds 10 to 15 knots. Seas 2 to 3 feet. A slight
chance of showers in the morning. A slight chance of
thunderstorms. Showers likely in the afternoon.
.MONDAY NIGHT...North winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas to 6 feet, building to 5 to 7 feet with
occasional seas to 9 feet after midnight. 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 slight chance of showers.
.TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 4 to 6 feet
with occasional seas to 7 feet.
.WEDNESDAY...Northeast winds 10 knots. Seas 3 to 5 feet with
occasional seas to 6 feet.
.WEDNESDAY NIGHT...East winds 10 knots. Seas 3 to 5 feet with
occasional seas to 6 feet.
.THURSDAY...East winds 10 knots. Seas 3 to 4 feet with occasional
seas to 5 feet.

Winds and seas higher in and near thunderstorms.

$$