Coastal Waters Forecast
Issued by NWS Melbourne, FL

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110
FZUS52 KMLB 181830
CWFMLB

Coastal Waters Forecast for East Central Florida
National Weather Service Melbourne FL
230 PM 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.

AMZ500-190830-
Synopsis for Flagler Beach to Jupiter Inlet out to 60 nm
230 PM EDT Sat Jul 18 2026

.SYNOPSIS...The pressure gradient tightens 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. 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.
14 nautical miles east of Fort Pierce Inlet.
 8 nautical miles east of Saint Lucie Inlet.

$$

AMZ550-190830-
Flagler Beach to Volusia-Brevard County Line 0-20 nm-
230 PM EDT Sat Jul 18 2026

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

Winds and waves higher in and near thunderstorms.

$$

AMZ552-190830-
Volusia-Brevard County Line to Sebastian Inlet 0-20 nm-
230 PM EDT Sat Jul 18 2026

.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...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.
.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 around 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.
.MONDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 5 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. 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.
.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.
.THURSDAY...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.
.THURSDAY 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.

$$

AMZ555-190830-
Sebastian Inlet to Jupiter Inlet 0-20 nm-
230 PM EDT Sat Jul 18 2026

.TONIGHT...Southeast 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...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 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 around 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 4 seconds and northeast 1 foot
at 9 seconds. A light chop on the intracoastal waters.
.MONDAY...South winds 15 to 20 knots. 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. A slight chance of
showers and thunderstorms in the morning, then a chance of
showers and thunderstorms in the afternoon.
.MONDAY NIGHT...South winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. 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.
.TUESDAY...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.
.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.
.THURSDAY...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.
.THURSDAY 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.

$$

AMZ570-190830-
Flagler Beach to Volusia-Brevard County Line 20-60 nm-
230 PM EDT Sat Jul 18 2026

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

Winds and seas higher in and near thunderstorms.

$$

AMZ572-190830-
Volusia-Brevard County Line to Sebastian Inlet 20-60 nm-
230 PM EDT Sat Jul 18 2026

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

Winds and seas higher in and near thunderstorms.

$$

AMZ575-190830-
Sebastian Inlet to Jupiter Inlet 20-60 nm-
230 PM EDT Sat Jul 18 2026

.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 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 3 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: South 3 feet at 4 seconds and east 1 foot at
8 seconds.
.TUESDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 4 seconds and east 1 foot at 8 seconds.
.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.
.THURSDAY...South winds 5 to 10 knots. Seas 1 to 2 feet.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 1 to
2 feet.

Winds and seas higher in and near thunderstorms.

$$