523
FZUS52 KMLB 180656
CWFMLB

Coastal Waters Forecast for East Central Florida
National Weather Service Melbourne FL
256 AM EDT Sat Jul 18 2026

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.

AMZ500-181915-
Synopsis for Flagler Beach to Jupiter Inlet out to 60 nm
256 AM EDT Sat Jul 18 2026

.SYNOPSIS...The pressure gradient tightens today and into early
next week as a weak low develops across the eastern Gulf and
western Florida coast. The low will slowly move northward towards
northern Florida into early next week before weakening and
becoming diffuse by mid next week. Resulting in the pressure
gradient across the local area to slacken. Isolated to scattered
showers and lightning storms are forecast across the local
Atlantic waters each evening into the overnight hours.

.GULF STREAM HAZARDS...South winds will increase to 15 to 20 knots
this afternoon in the offshore waters of Volusia.

The approximate location of the west wall of the Gulf Stream based on
the Real Time Ocean Forecast System as of Saturday, July 18th, 2026.

37 nautical miles east of Ponce Inlet.
27 nautical miles east of Port Canaveral.
22 nautical miles east of Sebastian Inlet.
15 nautical miles east of Fort Pierce Inlet.
 9 nautical miles east of Saint Lucie Inlet.

$$

AMZ550-181915-
Flagler Beach to Volusia-Brevard County Line 0-20 nm-
256 AM EDT Sat Jul 18 2026

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...South winds 10 to 15 knots, becoming southeast 15 to
20 knots late. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at
4 seconds and east 1 foot at 8 seconds. Choppy on the
intracoastal waters.
.TONIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 4 seconds and east 1 foot at
8 seconds. A light chop on the intracoastal waters.
.SUNDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 4 seconds and east 1 foot at
8 seconds. A moderate chop on the intracoastal waters. A slight
chance of showers and thunderstorms in the afternoon.
.SUNDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 4 seconds and east 1 foot at
8 seconds. A light chop on the intracoastal waters.
.MONDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 4 seconds and east 1 foot at
8 seconds. A moderate chop on the intracoastal waters. A chance
of showers and thunderstorms in the afternoon.
.MONDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 4 seconds and east 1 foot at
8 seconds. A light chop on the intracoastal waters.
.TUESDAY...South winds 10 to 15 knots, becoming southeast 15 to
20 knots in the afternoon. Seas 2 to 3 feet. Choppy on the
intracoastal waters. A chance of showers and thunderstorms in the
afternoon.
.TUESDAY NIGHT...South winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. Seas 2 to 3 feet. Choppy on the
intracoastal waters.
.WEDNESDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. A
moderate chop on the intracoastal waters. A slight chance of
showers and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...South winds 10 to 15 knots, becoming southwest
5 to 10 knots after midnight. Seas 2 to 3 feet. A light chop on
the intracoastal waters.

Winds and waves higher in and near thunderstorms.

$$

AMZ552-181915-
Volusia-Brevard County Line to Sebastian Inlet 0-20 nm-
256 AM EDT Sat Jul 18 2026

.TODAY...South winds 10 to 15 knots. Seas 1 to 2 feet. Wave
Detail: Southeast 2 feet at 4 seconds and east 1 foot at
8 seconds. A moderate chop on the intracoastal waters.
.TONIGHT...South winds 10 to 15 knots. Seas 2 feet. Wave Detail:
Southeast 2 feet at 4 seconds and east 1 foot at 9 seconds. A
light chop on the intracoastal waters.
.SUNDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 4 seconds and east 1 foot at
8 seconds. A moderate chop on the intracoastal waters. A slight
chance of showers and thunderstorms in the afternoon.
.SUNDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 2 feet at 4 seconds and east 1 foot at
8 seconds. A light chop on the intracoastal waters.
.MONDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 4 seconds and east 1 foot at
8 seconds. A moderate chop on the intracoastal waters. A chance
of showers and thunderstorms in the afternoon.
.MONDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 2 feet at 4 seconds and east 1 foot at
8 seconds. A light chop on the intracoastal waters.
.TUESDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. A
moderate chop on the intracoastal waters. A slight chance of
showers and thunderstorms in the afternoon.
.TUESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. A
light chop on the intracoastal waters.
.WEDNESDAY...South winds 5 to 10 knots, becoming southeast 10 to
15 knots in the afternoon. Seas 2 feet. A moderate chop on the
intracoastal waters.
.WEDNESDAY NIGHT...South winds 10 to 15 knots, diminishing to
5 to 10 knots after midnight. Seas 2 feet. A light chop on the
intracoastal waters.

Winds and waves higher in and near thunderstorms.

$$

AMZ555-181915-
Sebastian Inlet to Jupiter Inlet 0-20 nm-
256 AM EDT Sat Jul 18 2026

.TODAY...South winds 5 to 10 knots, becoming southeast 10 to
15 knots this afternoon. Seas 1 to 2 feet. Wave Detail: Southeast
2 feet at 3 seconds and northeast 1 foot at 8 seconds. A moderate
chop on the intracoastal waters. A slight chance of showers and
thunderstorms.
.TONIGHT...South winds 10 to 15 knots. Seas 1 to 2 feet. Wave
Detail: Southeast 2 feet at 3 seconds and northeast 1 foot at
9 seconds. A light chop on the intracoastal waters. A slight
chance of showers and thunderstorms after midnight.
.SUNDAY...South winds 10 to 15 knots. Seas 1 to 2 feet. Wave
Detail: Southeast 2 feet at 4 seconds and northeast 1 foot at
9 seconds. A moderate chop on the intracoastal waters. A slight
chance of showers and thunderstorms in the afternoon.
.SUNDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 2 feet at 4 seconds and northeast 1 foot
at 9 seconds. A light chop on the intracoastal waters.
.MONDAY...South winds 10 to 15 knots. Seas 1 to 2 feet. Wave
Detail: Southeast 2 feet at 3 seconds and east 1 foot at
8 seconds. A moderate chop on the intracoastal waters. A slight
chance of showers and thunderstorms in the afternoon.
.MONDAY NIGHT...South winds 10 to 15 knots. Seas 1 to 2 feet.
Wave Detail: Southeast 2 feet at 4 seconds and east 1 foot at
8 seconds. A light chop on the intracoastal waters.
.TUESDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. A
moderate chop on the intracoastal waters. A slight chance of
showers and thunderstorms in the afternoon.
.TUESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. A
light chop on the intracoastal waters.
.WEDNESDAY...South winds 5 to 10 knots, becoming southeast 10 to
15 knots in the afternoon. Seas 1 to 2 feet. A moderate chop on
the intracoastal waters.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots, becoming south
5 to 10 knots after midnight. Seas 1 to 2 feet. A light chop on
the intracoastal waters.

Winds and waves higher in and near thunderstorms.

$$

AMZ570-181915-
Flagler Beach to Volusia-Brevard County Line 20-60 nm-
256 AM EDT Sat Jul 18 2026

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...South winds 10 to 15 knots, increasing to 15 to 20 knots
late. Seas 2 to 3 feet. Wave Detail: South 3 feet at 4 seconds
and east 1 foot at 8 seconds.
.TONIGHT...South winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. Seas 2 to 3 feet. Wave Detail: South
3 feet at 4 seconds and east 1 foot at 9 seconds.
.SUNDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 4 seconds and east 2 feet at 8 seconds.
.SUNDAY NIGHT...South winds around 15 knots. Seas 2 to 3 feet.
Wave Detail: South 3 feet at 4 seconds and east 1 foot at
8 seconds.
.MONDAY...South winds 15 to 20 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 4 seconds and east 1 foot at 8 seconds. A
slight chance of showers and thunderstorms in the afternoon.
.MONDAY NIGHT...South winds 15 to 20 knots. Seas 3 feet. Wave
Detail: Southeast 3 feet at 4 seconds and east 1 foot at
8 seconds.
.TUESDAY...South winds 15 to 20 knots. Seas 3 to 4 feet. A slight
chance of showers and thunderstorms in the afternoon.
.TUESDAY NIGHT...South winds 15 to 20 knots. Seas 3 to 4 feet. A
slight chance of showers and thunderstorms after midnight.
.WEDNESDAY...South winds 10 to 15 knots. Seas 2 to 3 feet.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$

AMZ572-181915-
Volusia-Brevard County Line to Sebastian Inlet 20-60 nm-
256 AM EDT Sat Jul 18 2026

.TODAY...South winds 10 to 15 knots. Seas 2 feet. Wave Detail:
South 2 feet at 4 seconds and north 1 foot at 6 seconds.
.TONIGHT...South winds 10 to 15 knots. Seas 2 feet. Wave Detail:
South 2 feet at 4 seconds and north 1 foot at 5 seconds.
.SUNDAY...South winds 10 to 15 knots. Seas 2 feet. Wave Detail:
South 2 feet at 4 seconds and east 1 foot at 8 seconds.
.SUNDAY NIGHT...South winds around 15 knots. Seas 2 to 3 feet.
Wave Detail: South 2 feet at 4 seconds and east 1 foot at
8 seconds.
.MONDAY...South winds 15 to 20 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 4 seconds and east 1 foot at 8 seconds.
.MONDAY NIGHT...South winds 15 to 20 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 2 feet at 4 seconds and east 1 foot at
8 seconds. A slight chance of showers and thunderstorms after
midnight.
.TUESDAY...South winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Seas 2 to 3 feet.
.TUESDAY NIGHT...South winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. Seas 2 to 3 feet.
.WEDNESDAY...South winds 10 to 15 knots. Seas 2 feet.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 2 feet.

Winds and seas higher in and near thunderstorms.

$$

AMZ575-181915-
Sebastian Inlet to Jupiter Inlet 20-60 nm-
256 AM EDT Sat Jul 18 2026

.TODAY...South winds 10 to 15 knots. Seas 2 feet. Wave Detail:
South 1 foot at 4 seconds and northeast 1 foot at 7 seconds. A
slight chance of showers and thunderstorms this morning.
.TONIGHT...South winds 10 to 15 knots. Seas 2 feet. Wave Detail:
South 2 feet at 4 seconds and north 1 foot at 4 seconds. A slight
chance of showers and thunderstorms after midnight.
.SUNDAY...South winds 10 to 15 knots. Seas 2 feet. Wave Detail:
South 2 feet at 4 seconds and east 1 foot at 9 seconds.
.SUNDAY NIGHT...South winds around 15 knots. Seas 2 feet. Wave
Detail: South 2 feet at 4 seconds and east 1 foot at 8 seconds.
.MONDAY...South winds around 15 knots. Seas 2 feet. Wave Detail:
South 2 feet at 4 seconds and east 1 foot at 8 seconds.
.MONDAY NIGHT...South winds around 15 knots. Seas 2 to 3 feet.
Wave Detail: South 2 feet at 4 seconds and east 1 foot at
8 seconds. A slight chance of showers and thunderstorms.
.TUESDAY...South winds 10 to 15 knots. Seas 1 to 2 feet.
.TUESDAY NIGHT...South winds 10 to 15 knots. Seas 1 to 2 feet.
.WEDNESDAY...South winds 5 to 10 knots. Seas 1 to 2 feet.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 1 to 2 feet.

Winds and seas higher in and near thunderstorms.

$$