517
FZUS52 KMLB 250938
CWFMLB

Coastal Waters Forecast for East Central Florida
National Weather Service Melbourne FL
538 AM EDT Wed Sep 25 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.

ANZ500-252230-
Synopsis for Flagler Beach to Jupiter Inlet out to 60 nm
538 AM EDT Wed Sep 25 2024

.SYNOPSIS...Tropical Storm Helene is forecast to lift north into
the eastern Gulf of Mexico today and strengthen to a hurricane.
This system will strengthen further and accelerate north
northeast toward the Florida Big Bend Thursday and bring tropical
storm conditions to the local adjacent Atlantic waters. As Helene
pulls away Friday, a prolonged period of offshore flow is forecast
late week into the weekend with gradually subsiding seas.

.GULF STREAM HAZARDS...Southeast winds increasing 20 to 25 knots
and seas building 6 to 7 feet.

The approximate location of the west wall of the Gulf Stream
based on the Real Time Ocean Forecast System as of Saturday,
September 21st.

42 nautical miles east of Ponce Inlet.
30 nautical miles east of Port Canaveral.
26 nautical miles east of Sebastian Inlet.
21 nautical miles east of Fort Pierce Inlet.
12 nautical miles east of Saint Lucie Inlet.

$$

AMZ550-252230-
Flagler Beach to Volusia-Brevard County Line 0-20 nm-
538 AM EDT Wed Sep 25 2024

...TROPICAL STORM WARNING IN EFFECT...

.TODAY...Tropical storm conditions possible. Southeast winds
15 to 20 knots, increasing to 20 to 25 knots this afternoon. Seas
4 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at
6 seconds and east 3 feet at 11 seconds. Rough on the
intracoastal waters. A chance of showers and thunderstorms this
afternoon.
.TONIGHT...Tropical storm conditions possible. Southeast winds
20 to 25 knots. Seas 6 to 7 feet, occasionally to 9 feet. Wave
Detail: Southeast 7 feet at 6 seconds and east 2 feet at
11 seconds. Rough on the intracoastal waters. A chance of
thunderstorms. Showers likely in the evening, then a chance of
showers after midnight.
.THURSDAY...Tropical storm conditions expected. Southeast winds
25 to 30 knots with gusts up to 40 knots, increasing to 35 to
40 knots with gusts up to 50 knots in the afternoon. Seas 7 to
8 feet, occasionally to 10 feet, building to 8 to 10 feet,
occasionally to 13 feet in the afternoon. Wave Detail: Southeast
10 feet at 8 seconds and east 10 feet at 10 seconds in the
afternoon. Extremely rough on the intracoastal waters. Showers
with a chance of thunderstorms.
.THURSDAY NIGHT...Tropical storm conditions expected. South winds
35 to 40 knots, diminishing to 25 to 30 knots after midnight.
Seas 9 to 11 feet, occasionally to 14 feet, subsiding to 7 to
9 feet, occasionally to 11 feet after midnight. Wave Detail:
Southeast 11 feet at 9 seconds.after midnight. Extremely rough on
the intracoastal waters. A chance of thunderstorms. Showers
likely in the evening, then a chance of showers after midnight.
.FRIDAY...South winds 20 to 25 knots, diminishing to 15 to
20 knots in the afternoon. Seas 5 to 7 feet, occasionally to
9 feet, subsiding to 3 to 5 feet, occasionally to 6 feet in the
afternoon. Wave Detail: Southeast 7 feet at 8 seconds and
northeast 2 feet at 13 seconds.in the afternoon. Rough on the
intracoastal waters. A chance of showers and thunderstorms.
.FRIDAY NIGHT...Southwest winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: South 4 feet at 7 seconds and northeast 2 feet at
12 seconds. A light chop on the intracoastal waters. A chance of
showers and thunderstorms.
.SATURDAY...Southwest winds 5 to 10 knots. Seas 2 to 3 feet. A
light chop on the intracoastal waters. A chance of thunderstorms.
A chance of showers in the morning, then showers likely in the
afternoon.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas 2 to
3 feet. Mostly smooth on the intracoastal waters. A chance of
showers and thunderstorms.
.SUNDAY...West winds around 5 knots, becoming south in the
afternoon. Seas 2 to 3 feet. 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.
.SUNDAY NIGHT...Southwest winds around 5 knots, becoming west
after midnight. Seas 2 to 3 feet. 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.

$$

AMZ552-252230-
Volusia-Brevard County Line to Sebastian Inlet 0-20 nm-
538 AM EDT Wed Sep 25 2024

...TROPICAL STORM WARNING IN EFFECT...

.TODAY...Tropical storm conditions possible. Southeast winds
15 to 20 knots, increasing to 20 to 25 knots this afternoon. Seas
4 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at
6 seconds and northeast 3 feet at 11 seconds. Rough on the
intracoastal waters. A chance of showers with a slight chance of
thunderstorms this morning, then showers likely with a chance of
thunderstorms this afternoon.
.TONIGHT...Tropical storm conditions possible. Southeast winds
20 to 25 knots. Seas 6 to 8 feet, occasionally to 10 feet. Wave
Detail: Southeast 8 feet at 7 seconds and northeast 3 feet at
11 seconds. Rough on the intracoastal waters. A chance of
thunderstorms. Showers likely in the evening, then a chance of
showers after midnight.
.THURSDAY...Tropical storm conditions expected. Southeast winds
25 to 30 knots, increasing to 30 to 35 knots in the afternoon.
Gusts up to 50 knots. Seas 7 to 8 feet, occasionally to 10 feet,
building to 8 to 10 feet, occasionally to 13 feet in the
afternoon. Wave Detail: Southeast 10 feet at 8 seconds and
northeast 9 feet at 10 seconds in the afternoon. Extremely rough
on the intracoastal waters. Showers with a chance of
thunderstorms.
.THURSDAY NIGHT...Tropical storm conditions expected. South winds
30 to 35 knots with gusts up to 50 knots, diminishing to 25 to
30 knots with gusts up to 40 knots after midnight. Seas 8 to
10 feet, occasionally to 13 feet, subsiding to 6 to 8 feet,
occasionally to 10 feet after midnight. Wave Detail: Southeast
10 feet at 8 seconds and east 7 feet at 11 seconds.after
midnight. Extremely rough on the intracoastal waters. A chance of
thunderstorms. Showers.
.FRIDAY...South winds 20 to 25 knots, diminishing to 15 to
20 knots in the afternoon. Seas 5 to 7 feet, occasionally to
9 feet, subsiding to 4 to 5 feet, occasionally to 6 feet in the
afternoon. Wave Detail: Southeast 7 feet at 7 seconds and
northeast 3 feet at 13 seconds.in the afternoon. Rough 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 10 to 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: Southeast 5 feet at
6 seconds and northeast 3 feet at 12 seconds. A light chop on the
intracoastal waters. A chance of showers and thunderstorms.
.SATURDAY...Southwest winds 5 to 10 knots. Seas 3 to 4 feet. A
light chop on the intracoastal waters. A chance of thunderstorms.
A chance of showers in the morning, then showers likely in the
afternoon.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas 2 to
3 feet. Mostly smooth on the intracoastal waters. A chance of
showers and thunderstorms.
.SUNDAY...West winds around 5 knots, becoming south in the
afternoon. Seas 2 to 3 feet. 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.
.SUNDAY NIGHT...Southwest winds around 5 knots, becoming west
after midnight. Seas 2 to 3 feet. Smooth on the intracoastal
waters. A chance of showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

AMZ555-252230-
Sebastian Inlet to Jupiter Inlet 0-20 nm-
538 AM EDT Wed Sep 25 2024

...TROPICAL STORM WARNING IN EFFECT...

.TODAY...Tropical storm conditions possible. Southeast winds
15 to 20 knots, increasing to 20 to 25 knots this afternoon. Seas
5 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast
5 feet at 6 seconds and northeast 5 feet at 11 seconds. Rough on
the intracoastal waters. Showers likely with a chance of
thunderstorms.
.TONIGHT...Tropical storm conditions possible. Southeast winds
20 to 25 knots. Seas 6 to 8 feet, occasionally to 10 feet. Wave
Detail: Southeast 7 feet at 6 seconds and northeast 4 feet at
11 seconds. Rough on the intracoastal waters. Showers likely with
a chance of thunderstorms.
.THURSDAY...Tropical storm conditions expected. Southeast winds
25 to 30 knots, becoming south 30 to 35 knots in the afternoon.
Seas 7 to 9 feet, occasionally to 11 feet. Wave Detail: Southeast
9 feet at 7 seconds and northeast 4 feet at 10 seconds. Extremely
rough on the intracoastal waters. Showers likely with a chance of
thunderstorms.
.THURSDAY NIGHT...Tropical storm conditions expected. South winds
30 to 35 knots, diminishing to 25 to 30 knots after midnight.
Seas 7 to 9 feet, occasionally to 11 feet. Wave Detail: Southeast
9 feet at 7 seconds and northeast 3 feet at 11 seconds. Extremely
rough on the intracoastal waters. A chance of thunderstorms.
Showers.
.FRIDAY...South winds 20 to 25 knots, diminishing to 15 to
20 knots in the afternoon. Seas 4 to 6 feet, occasionally to
8 feet. Wave Detail: South 6 feet at 6 seconds and northeast
4 feet at 12 seconds. Rough on the intracoastal waters. Showers
likely. A chance of thunderstorms in the morning, then
thunderstorms likely in the afternoon.
.FRIDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: South 4 feet at 5 seconds and northeast 4 feet at
12 seconds. A light chop on the intracoastal waters. A chance of
showers and thunderstorms.
.SATURDAY...South winds 5 to 10 knots. Seas 3 to 4 feet. A light
chop on the intracoastal waters. A chance of thunderstorms. A
chance of showers in the morning, then showers likely in the
afternoon.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas 2 to
3 feet. 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.
.SUNDAY...West winds around 5 knots, becoming southeast in the
afternoon. Seas 2 to 3 feet. Smooth on the intracoastal waters. A
slight chance of showers and thunderstorms in the morning, then a
chance of showers and thunderstorms in the afternoon.
.SUNDAY NIGHT...South winds around 5 knots, becoming west after
midnight. Seas 2 to 3 feet. Smooth on the intracoastal waters. A
chance of showers and thunderstorms in the evening, then a slight
chance of showers and thunderstorms after midnight.

Winds and waves higher in and near thunderstorms.

$$

AMZ570-252230-
Flagler Beach to Volusia-Brevard County Line 20-60 nm-
538 AM EDT Wed Sep 25 2024

...TROPICAL STORM WARNING IN EFFECT...

.TODAY...Southeast winds 15 to 20 knots. Seas 5 to 6 feet,
occasionally to 8 feet. Wave Detail: East 6 feet at 6 seconds and
northeast 3 feet at 11 seconds. A chance of showers and
thunderstorms this afternoon.
.TONIGHT...Tropical storm conditions possible. Southeast winds
20 to 25 knots. Seas 6 to 7 feet, occasionally to 9 feet. Wave
Detail: Southeast 7 feet at 6 seconds and east 3 feet at
11 seconds. Showers likely with a chance of thunderstorms.
.THURSDAY...Tropical storm conditions expected. Southeast winds
25 to 30 knots with gusts up to 40 knots, increasing to 30 to
35 knots with gusts up to 50 knots in the afternoon. Seas 8 to
10 feet, occasionally to 13 feet. Wave Detail: Southeast 10 feet
at 8 seconds and east 10 feet at 10 seconds. Showers with a
chance of thunderstorms.
.THURSDAY NIGHT...Tropical storm conditions expected. South winds
30 to 35 knots, diminishing to 25 to 30 knots after midnight.
Gusts up to 50 knots. Seas 12 to 14 feet, occasionally to
18 feet, subsiding to 10 to 12 feet, occasionally to 15 feet
after midnight. Wave Detail: Southeast 14 feet at 9 seconds.after
midnight. A chance of thunderstorms. Showers.
.FRIDAY...South winds 25 to 30 knots, diminishing to 15 to
20 knots in the afternoon. Seas 8 to 10 feet, occasionally to
13 feet, subsiding to 5 to 7 feet, occasionally to 9 feet in the
afternoon. Wave Detail: South 10 feet at 8 seconds and northeast
3 feet at 12 seconds.in the afternoon. A chance of thunderstorms.
A chance of showers in the morning, then showers likely in the
afternoon.
.FRIDAY NIGHT...Southwest winds 15 to 20 knots, diminishing to
10 to 15 knots after midnight. Seas 4 to 6 feet, occasionally to
8 feet. Wave Detail: South 6 feet at 7 seconds and northeast
3 feet at 12 seconds. A chance of thunderstorms. Showers likely
in the evening, then a chance of showers after midnight.
.SATURDAY...Southwest winds 10 to 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet. A chance of thunderstorms. A chance of
showers in the morning, then showers likely in the afternoon.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas 3 to
4 feet. A chance of showers and thunderstorms.
.SUNDAY...West winds 5 to 10 knots, becoming southwest in the
afternoon. Seas 3 to 4 feet. A chance of showers. A slight chance
of thunderstorms in the morning, then a chance of thunderstorms
in the afternoon.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots, becoming west
after midnight. Seas 3 feet. A chance of showers and
thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

AMZ572-252230-
Volusia-Brevard County Line to Sebastian Inlet 20-60 nm-
538 AM EDT Wed Sep 25 2024

...TROPICAL STORM WARNING IN EFFECT...

.TODAY...Tropical storm conditions possible. Southeast winds
15 to 20 knots, increasing to 20 to 25 knots this afternoon. Seas
5 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast
6 feet at 6 seconds and northeast 4 feet at 11 seconds. A slight
chance of showers and thunderstorms this morning, then a chance
of showers and thunderstorms this afternoon.
.TONIGHT...Tropical storm conditions possible. Southeast winds
20 to 25 knots. Seas 6 to 8 feet, occasionally to 10 feet. Wave
Detail: Southeast 7 feet at 7 seconds and northeast 4 feet at
10 seconds. Showers likely with a chance of thunderstorms.
.THURSDAY...Tropical storm conditions expected. Southeast winds
25 to 30 knots, increasing to 30 to 35 knots in the afternoon.
Seas 8 to 10 feet, occasionally to 13 feet. Wave Detail:
Southeast 10 feet at 8 seconds and northeast 3 feet at
10 seconds. Showers with a chance of thunderstorms.
.THURSDAY NIGHT...Tropical storm conditions expected. South winds
30 to 35 knots, diminishing to 25 to 30 knots after midnight.
Gusts up to 50 knots. Seas 11 to 12 feet, occasionally to
15 feet, subsiding to 9 to 11 feet, occasionally to 14 feet after
midnight. Wave Detail: South 12 feet at 8 seconds and northeast
3 feet at 11 seconds.after midnight. A chance of thunderstorms.
Showers.
.FRIDAY...South winds 25 to 30 knots, diminishing to 20 to
25 knots in the afternoon. Seas 7 to 9 feet, occasionally to
11 feet, subsiding to 5 to 7 feet, occasionally to 9 feet in the
afternoon. Wave Detail: South 9 feet at 8 seconds and northeast
4 feet at 12 seconds.in the afternoon. Showers likely with a
chance of thunderstorms.
.FRIDAY NIGHT...Southwest winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Wave Detail: South 6 feet at 6 seconds
and northeast 4 feet at 12 seconds. Showers likely. Thunderstorms
likely in the evening, then a chance of thunderstorms after
midnight.
.SATURDAY...Southwest winds 10 to 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet. A chance of thunderstorms. A chance of
showers in the morning, then showers likely in the afternoon.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas 3 to
4 feet. Showers and thunderstorms likely in the evening, then a
chance of showers and thunderstorms after midnight.
.SUNDAY...West winds 5 to 10 knots, becoming southwest in the
afternoon. Seas 3 to 4 feet. A chance of showers and
thunderstorms.
.SUNDAY NIGHT...South winds 5 to 10 knots, becoming west after
midnight. Seas 3 feet. A chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

AMZ575-252230-
Sebastian Inlet to Jupiter Inlet 20-60 nm-
538 AM EDT Wed Sep 25 2024

...TROPICAL STORM WARNING IN EFFECT...

.TODAY...Southeast winds 15 to 20 knots. Seas 6 feet,
occasionally to 8 feet. Wave Detail: Southeast 5 feet at
5 seconds and northeast 5 feet at 11 seconds. A chance of
thunderstorms. A chance of showers this morning, then showers
likely this afternoon.
.TONIGHT...Tropical storm conditions possible. Southeast winds
20 to 25 knots. Seas 6 to 8 feet, occasionally to 10 feet. Wave
Detail: Southeast 7 feet at 7 seconds and northeast 5 feet at
10 seconds. Showers likely with a chance of thunderstorms.
.THURSDAY...Tropical storm conditions expected. Southeast winds
25 to 30 knots, increasing to 30 to 35 knots in the afternoon.
Seas 7 to 8 feet, occasionally to 10 feet, building to 8 to
10 feet, occasionally to 13 feet in the afternoon. Wave Detail:
Southeast 10 feet at 7 seconds and northeast 4 feet at 10 seconds
in the afternoon. Showers likely with a chance of thunderstorms.
.THURSDAY NIGHT...Tropical storm conditions possible. South winds
25 to 30 knots with gusts up to 40 knots. Seas 9 to 10 feet,
occasionally to 13 feet, subsiding to 7 to 9 feet, occasionally
to 11 feet after midnight. Wave Detail: South 10 feet at
7 seconds and northeast 3 feet at 10 seconds.after midnight.
Showers with a chance of thunderstorms.
.FRIDAY...South winds 20 to 25 knots. Seas 6 to 8 feet,
occasionally to 10 feet, subsiding to 5 to 6 feet, occasionally
to 8 feet in the afternoon. Wave Detail: South 8 feet at
7 seconds and northeast 4 feet at 12 seconds.in the afternoon.
Showers likely. A chance of thunderstorms in the morning, then
thunderstorms likely in the afternoon.
.FRIDAY NIGHT...South winds 15 to 20 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: South 5 feet at 6 seconds
and northeast 4 feet at 12 seconds. Showers likely. Thunderstorms
likely in the evening, then a chance of thunderstorms after
midnight.
.SATURDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. A
chance of thunderstorms. A chance of showers in the morning, then
showers likely in the afternoon.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas 3 to
4 feet. A chance of showers and thunderstorms.
.SUNDAY...West winds 5 to 10 knots, becoming southwest in the
afternoon. Seas 3 feet. A chance of showers and thunderstorms.
.SUNDAY NIGHT...South winds 5 to 10 knots, becoming west after
midnight. Seas 2 to 3 feet. A chance of showers and
thunderstorms.

Winds and seas higher in and near thunderstorms.

$$