National Weather Service Marine Forecast FZUS52 KMLB
FZUS52 KMLB 210630
CWFMLB
Coastal Waters Forecast for East Central Florida
National Weather Service Melbourne FL
230 AM EDT Wed Oct 21 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.
AMZ500-212030
Synopsis for Flagler Beach to Jupiter Inlet out to 60 nm
230 AM EDT Wed Oct 21 2026
SYNOPSIS
Fresh onshore gusty winds will maintain poor to
hazardous boating conditions this week. Isolated to widely
scattered showers return today, becoming isolated Thursday, then
increasing late in the week. Confidence is increasing for a return
of dangerous boating conditions with near Gale force winds and
building seas this weekend.
GULF STREAM HAZARDS
North to northeast winds 15 to 20 knots and
gusty. Seas 7 to 9 feet.
The approximate location of the west wall of the Gulf Stream based on the Real Time Ocean Forecast System as of Tuesday, October 20th, 2026.
48 nautical miles east of Ponce Inlet. 36 nautical miles east of Port Canaveral. 30 nautical miles east of Sebastian Inlet. 23 nautical miles east of Fort Pierce Inlet. 17 nautical miles east of Saint Lucie Inlet.
AMZ550-212030
Flagler Beach to Volusia-Brevard County Line 0-20 nm
230 AM EDT Wed Oct 21 2026
SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
TODAY
Northeast winds 15 to 20 knots. Seas 6 to 7 feet,
occasionally to 9 feet. Wave Detail: Northeast 6 feet at
11 seconds. Choppy on the intracoastal waters.
TONIGHT
North winds 15 to 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: Northeast 6 feet at
11 seconds. Choppy on the intracoastal waters.
THURSDAY
North winds 10 to 15 knots. Seas 5 to 6 feet,
occasionally to 8 feet. Wave Detail: Northeast 6 feet at
13 seconds. A moderate chop on the intracoastal waters.
THURSDAY NIGHT
Northeast winds around 15 knots. Seas 5 to
6 feet, occasionally to 8 feet. Wave Detail: Northeast 6 feet at
13 seconds. A light chop on the intracoastal waters.
FRIDAY
Northeast winds 15 to 20 knots, increasing to 20 to
25 knots in the afternoon. Seas 5 to 7 feet, occasionally to
9 feet. Wave Detail: Northeast 6 feet at 6 seconds and northeast
6 feet at 12 seconds. Rough on the intracoastal waters. A slight
chance of showers in the afternoon.
FRIDAY NIGHT
Northeast winds 20 to 25 knots. Seas 7 to 8 feet,
occasionally to 10 feet. Wave Detail: Northeast 8 feet at
7 seconds and northeast 3 feet at 12 seconds. Rough on the
intracoastal waters. A chance of showers.
SATURDAY
Northeast winds 25 to 30 knots. Seas 8 to 9 feet,
occasionally to 11 feet, building to 9 to 11 feet, occasionally
to 14 feet in the afternoon. Very rough on the intracoastal
waters. Showers likely in the morning, then showers with a slight
chance of thunderstorms in the afternoon.
SATURDAY NIGHT
Northeast winds around 30 knots. Seas 11 to
13 feet, occasionally to 17 feet, building to 13 to 15 feet,
occasionally to 19 feet after midnight. Very rough on the
intracoastal waters. Showers likely with a slight chance of
thunderstorms in the evening, then a chance of showers after
midnight.
SUNDAY
Northeast winds 25 to 30 knots. Seas 12 to 15 feet,
occasionally to 19 feet. Very rough on the intracoastal waters. A
chance of showers.
SUNDAY NIGHT
Northeast winds 25 to 30 knots. Seas 13 to
15 feet, occasionally to 19 feet. Very rough on the intracoastal
waters. A chance of showers in the evening, then a slight chance
of showers after midnight.
Winds and waves higher in and near thunderstorms.
AMZ552-212030
Volusia-Brevard County Line to Sebastian Inlet 0-20 nm
230 AM EDT Wed Oct 21 2026
SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
TODAY
Northeast winds 10 to 15 knots, increasing to 15 to
20 knots late. Seas 6 to 7 feet, occasionally to 9 feet. Wave
Detail: Northeast 7 feet at 11 seconds. Choppy on the
intracoastal waters. A slight chance of showers.
TONIGHT
North winds 15 to 20 knots. Seas 6 to 7 feet,
occasionally to 9 feet. Wave Detail: Northeast 6 feet at
11 seconds. Choppy on the intracoastal waters.
THURSDAY
North winds 10 to 15 knots. Seas 5 to 6 feet,
occasionally to 8 feet. Wave Detail: Northeast 6 feet at
12 seconds. A moderate chop on the intracoastal waters.
THURSDAY NIGHT
Northeast winds 10 to 15 knots. Seas 6 to
7 feet, occasionally to 9 feet. Wave Detail: Northeast 6 feet at
13 seconds. A light chop on the intracoastal waters.
FRIDAY
Northeast winds 15 to 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: Northeast 6 feet at
6 seconds and northeast 6 feet at 12 seconds. Choppy on the
intracoastal waters. A slight chance of showers in the afternoon.
FRIDAY NIGHT
Northeast winds 20 to 25 knots. Seas 6 to 8 feet,
occasionally to 10 feet. Wave Detail: Northeast 7 feet at
7 seconds and northeast 7 feet at 12 seconds. Rough on the
intracoastal waters. A chance of showers.
SATURDAY
Northeast winds 20 to 25 knots, increasing to 25 to
30 knots in the afternoon. Seas 7 to 9 feet, occasionally to
11 feet, building to 9 to 11 feet, occasionally to 14 feet in the
afternoon. Very rough on the intracoastal waters. A chance of
showers in the morning, then showers with a slight chance of
thunderstorms in the afternoon.
SATURDAY NIGHT
Northeast winds around 30 knots. Seas 10 to
13 feet, occasionally to 17 feet, building to 12 to 15 feet,
occasionally to 19 feet after midnight. Very rough on the
intracoastal waters. Showers likely. A chance of thunderstorms in
the evening, then a slight chance of thunderstorms after
midnight.
SUNDAY
Northeast winds 25 to 30 knots. Seas 12 to 15 feet,
occasionally to 19 feet. Very rough on the intracoastal waters. A
chance of showers with a slight chance of thunderstorms in the
morning, then showers likely in the afternoon.
SUNDAY NIGHT
Northeast winds 25 to 30 knots. Seas 12 to
15 feet, occasionally to 19 feet. Very rough on the intracoastal
waters. A chance of showers.
Winds and waves higher in and near thunderstorms.
AMZ555-212030
Sebastian Inlet to Jupiter Inlet 0-20 nm
230 AM EDT Wed Oct 21 2026
SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT
TODAY
Northeast winds 10 to 15 knots. Seas 6 to 8 feet,
occasionally to 10 feet. Wave Detail: Northeast 7 feet at
11 seconds. A moderate chop on the intracoastal waters. A slight
chance of showers this morning, then a chance of showers this
afternoon.
TONIGHT
Northeast winds around 15 knots. Seas 6 to 7 feet,
occasionally to 9 feet. Wave Detail: Northeast 7 feet at
11 seconds and southeast 2 feet at 5 seconds. A light chop on the
intracoastal waters. A chance of showers.
THURSDAY
North winds 10 to 15 knots. Seas 6 to 7 feet,
occasionally to 9 feet. Wave Detail: Northeast 7 feet at
12 seconds. A moderate chop on the intracoastal waters. A slight
chance of showers in the morning.
THURSDAY NIGHT
Northeast winds 10 to 15 knots. Seas 6 to
8 feet, occasionally to 10 feet. Wave Detail: Northeast 7 feet at
13 seconds and southeast 2 feet at 5 seconds. A light chop on the
intracoastal waters.
FRIDAY
Northeast winds around 15 knots, increasing to 20 to
25 knots in the afternoon. Seas 6 to 8 feet, occasionally to
10 feet. Wave Detail: Northeast 7 feet at 12 seconds and
northeast 6 feet at 6 seconds. Rough on the intracoastal waters.
A slight chance of showers.
FRIDAY NIGHT
Northeast winds 20 to 25 knots. Seas 7 to 8 feet,
occasionally to 10 feet. Wave Detail: Northeast 7 feet at
12 seconds and southeast 1 foot at 5 seconds. Rough on the
intracoastal waters. A chance of showers. A slight chance of
thunderstorms after midnight.
SATURDAY
Northeast winds 20 to 25 knots, increasing to 25 to
30 knots in the afternoon. Seas 7 to 9 feet, occasionally to
11 feet, building to 9 to 11 feet, occasionally to 14 feet in the
afternoon. Very rough on the intracoastal waters. Showers likely
with a slight chance of thunderstorms in the morning, then
showers with a chance of thunderstorms in the afternoon.
SATURDAY NIGHT
Northeast winds around 30 knots. Seas 11 to
15 feet, occasionally to 19 feet. Very rough on the intracoastal
waters. Showers with a chance of thunderstorms.
SUNDAY
Northeast winds 25 to 30 knots. Seas 13 to 16 feet,
occasionally to 20 feet. Very rough on the intracoastal waters.
Showers. A chance of thunderstorms in the morning, then a slight
chance of thunderstorms in the afternoon.
SUNDAY NIGHT
Northeast winds 25 to 30 knots. Seas 14 to
16 feet, occasionally to 20 feet. Very rough on the intracoastal
waters. Showers likely with a slight chance of thunderstorms in
the evening, then a chance of showers after midnight.
Winds and waves higher in and near thunderstorms.
AMZ570-212030
Flagler Beach to Volusia-Brevard County Line 20-60 nm
230 AM EDT Wed Oct 21 2026
SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT
TODAY
Northeast winds 15 to 20 knots. Seas 7 to 8 feet,
occasionally to 10 feet. Wave Detail: Northeast 7 feet at
11 seconds.
TONIGHT
North winds 10 to 15 knots. Seas 6 to 8 feet,
occasionally to 10 feet. Wave Detail: Northeast 7 feet at
11 seconds.
THURSDAY
North winds 10 to 15 knots. Seas 6 to 8 feet,
occasionally to 10 feet. Wave Detail: Northeast 8 feet at
13 seconds.
THURSDAY NIGHT
Northeast winds 10 to 15 knots. Seas 6 to
8 feet, occasionally to 10 feet. Wave Detail: Northeast 8 feet at
13 seconds.
FRIDAY
Northeast winds 15 to 20 knots. Seas 6 to 8 feet,
occasionally to 10 feet. Wave Detail: Northeast 7 feet at
12 seconds. A slight chance of showers in the afternoon.
FRIDAY NIGHT
Northeast winds 20 to 25 knots. Seas 7 to 9 feet,
occasionally to 11 feet. Wave Detail: Northeast 8 feet at
7 seconds and northeast 8 feet at 11 seconds. A chance of
showers.
SATURDAY
Northeast winds 25 to 30 knots. Seas 9 to 11 feet,
occasionally to 14 feet, building to 10 to 13 feet, occasionally
to 17 feet in the afternoon. Showers likely in the morning, then
showers with a slight chance of thunderstorms in the afternoon.
SATURDAY NIGHT
Northeast winds around 30 knots. Seas 12 to
14 feet, occasionally to 18 feet, building to 14 to 16 feet,
occasionally to 20 feet after midnight. A slight chance of
thunderstorms. Showers likely in the evening, then a chance of
showers after midnight.
SUNDAY
Northeast winds 25 to 30 knots. Seas 14 to 16 feet,
occasionally to 20 feet. A chance of showers.
SUNDAY NIGHT
Northeast winds 25 to 30 knots. Seas 14 to
16 feet, occasionally to 20 feet. A chance of showers.
Winds and seas higher in and near thunderstorms.
AMZ572-212030
Volusia-Brevard County Line to Sebastian Inlet 20-60 nm
230 AM EDT Wed Oct 21 2026
SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT
TODAY
Northeast winds 15 to 20 knots. Seas 7 to 8 feet,
occasionally to 10 feet. Wave Detail: Northeast 7 feet at
11 seconds and north 4 feet at 7 seconds. A slight chance of
showers.
TONIGHT
Northeast winds 15 to 20 knots, becoming north 10 to
15 knots after midnight. Seas 7 to 8 feet, occasionally to
10 feet. Wave Detail: Northeast 7 feet at 11 seconds.
THURSDAY
North winds 10 to 15 knots. Seas 7 to 8 feet,
occasionally to 10 feet. Wave Detail: Northeast 8 feet at
13 seconds.
THURSDAY NIGHT
Northeast winds 10 to 15 knots. Seas 7 to
8 feet, occasionally to 10 feet. Wave Detail: Northeast 8 feet at
13 seconds.
FRIDAY
Northeast winds 15 to 20 knots. Seas 6 to 8 feet,
occasionally to 10 feet. Wave Detail: North 7 feet at 6 seconds
and northeast 7 feet at 12 seconds. A slight chance of showers in
the afternoon.
FRIDAY NIGHT
Northeast winds 20 to 25 knots. Seas 7 to 9 feet,
occasionally to 11 feet. Wave Detail: Northeast 8 feet at
7 seconds and northeast 8 feet at 11 seconds. A chance of
showers.
SATURDAY
Northeast winds 25 to 30 knots. Seas 9 to 11 feet,
occasionally to 14 feet, building to 11 to 13 feet, occasionally
to 17 feet in the afternoon. A slight chance of thunderstorms.
Showers.
SATURDAY NIGHT
Northeast winds around 30 knots. Seas 13 to
16 feet, occasionally to 20 feet. Showers likely with a chance of
thunderstorms.
SUNDAY
Northeast winds 25 to 30 knots. Seas 14 to 17 feet,
occasionally to 22 feet. A slight chance of thunderstorms in the
morning. Showers likely.
SUNDAY NIGHT
Northeast winds 25 to 30 knots. Seas 15 to
18 feet, occasionally to 23 feet. Showers likely in the evening,
then a chance of showers after midnight.
Winds and seas higher in and near thunderstorms.
AMZ575-212030
Sebastian Inlet to Jupiter Inlet 20-60 nm
230 AM EDT Wed Oct 21 2026
SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT
TODAY
Northeast winds 10 to 15 knots. Seas 7 to 8 feet,
occasionally to 10 feet. Wave Detail: Northeast 7 feet at
11 seconds and north 3 feet at 7 seconds. A chance of showers
this afternoon.
TONIGHT
Northeast winds around 15 knots. Seas 7 to 8 feet,
occasionally to 10 feet. Wave Detail: Northeast 7 feet at
11 seconds and north 3 feet at 7 seconds. A chance of showers.
THURSDAY
North winds 10 to 15 knots. Seas 7 to 8 feet,
occasionally to 10 feet. Wave Detail: Northeast 7 feet at
12 seconds and north 3 feet at 7 seconds. A slight chance of
showers in the morning.
THURSDAY NIGHT
Northeast winds 10 to 15 knots. Seas 7 to
9 feet, occasionally to 11 feet. Wave Detail: Northeast 7 feet at
13 seconds and south 2 feet at 5 seconds. A slight chance of
showers in the evening.
FRIDAY
Northeast winds around 15 knots, increasing to 20 to
25 knots in the afternoon. Seas 7 to 8 feet, occasionally to
10 feet. Wave Detail: Northeast 7 feet at 6 seconds and northeast
7 feet at 12 seconds. A chance of showers.
FRIDAY NIGHT
Northeast winds 20 to 25 knots. Seas 8 to 9 feet,
occasionally to 11 feet. Wave Detail: Northeast 8 feet at
7 seconds and northeast 4 feet at 11 seconds. A chance of showers
in the evening, then showers likely with a slight chance of
thunderstorms after midnight.
SATURDAY
Northeast winds 20 to 25 knots, increasing to 25 to
30 knots in the afternoon. Seas 9 to 10 feet, occasionally to
13 feet, building to 10 to 13 feet, occasionally to 17 feet in
the afternoon. Showers likely with a slight chance of
thunderstorms in the morning, then showers with a chance of
thunderstorms in the afternoon.
SATURDAY NIGHT
Northeast winds around 30 knots. Seas 13 to
16 feet, occasionally to 20 feet. Showers with a chance of
thunderstorms.
SUNDAY
Northeast winds 25 to 30 knots. Seas 14 to 17 feet,
occasionally to 22 feet. Showers. A chance of thunderstorms in
the morning, then a slight chance of thunderstorms in the
afternoon.
SUNDAY NIGHT
Northeast winds 25 to 30 knots. Seas 15 to
18 feet, occasionally to 23 feet. A slight chance of
thunderstorms. Showers likely in the evening, then a chance of
showers after midnight.
Winds and seas higher in and near thunderstorms.
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