National Weather Service Marine Forecast FZUS52 KMLB

FZUS52 KMLB 301826
CWFMLB

Coastal Waters Forecast for East Central Florida
National Weather Service Melbourne FL
226 PM EDT Wed Sep 30 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.

AMZ500-010830
Synopsis for Flagler Beach to Jupiter Inlet out to 60 nm 226 PM EDT Wed Sep 30 2026

SYNOPSIS
Generally favorable boating conditions are forecast through this week and into the upcoming weekend, outside of showers and lightning storms, as high pressure remains in place to the north. This will result in onshore flow continuing into into the weekend, becoming locally enhanced each afternoon behind the formation of the east coast sea breeze. An increase in shower and lightning storm coverage is forecast across the local waters through late week as moisture increases.

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 Wednesday, September 30th, 2026.

48 nautical miles east of Ponce Inlet. 35 nautical miles east of Port Canaveral. 28 nautical miles east of Sebastian Inlet. 19 nautical miles east of Fort Pierce Inlet. 13 nautical miles east of Saint Lucie Inlet.

---

AMZ550-010830
Flagler Beach to Volusia-Brevard County Line 0-20 nm
226 PM EDT Wed Sep 30 2026

TONIGHT
Southeast winds 5 to 10 knots. Seas 2 feet. Wave Detail: East 2 feet at 3 seconds and northeast 1 foot at 10 seconds. Mostly smooth on the intracoastal waters. A chance of showers with a slight chance of thunderstorms.

THURSDAY
Southeast winds around 10 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. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon.

THURSDAY NIGHT
Southeast winds around 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 4 seconds and northeast 1 foot at 9 seconds. Mostly smooth on the intracoastal waters. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight.

FRIDAY
Southeast winds around 10 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 5 seconds and northeast 1 foot at 10 seconds. A light chop on the intracoastal waters. A slight chance of showers and thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon.

FRIDAY NIGHT
Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 5 seconds and northeast 1 foot at 9 seconds. 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.

SATURDAY
East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 7 seconds and east 2 feet at 12 seconds. 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
Southeast 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
Southeast winds 5 to 10 knots. Seas 2 to 3 feet. A light chop on the intracoastal waters. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon.

SUNDAY NIGHT
Southeast winds around 5 knots, becoming south after midnight. Seas 2 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.

MONDAY
Southwest winds around 5 knots, becoming east in the afternoon. Seas 2 feet. A light chop on the intracoastal waters. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon.

MONDAY NIGHT
North winds 5 to 10 knots. Seas 2 feet. Mostly smooth on the intracoastal waters. Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight.

Winds and waves higher in and near thunderstorms.

---

AMZ552-010830
Volusia-Brevard County Line to Sebastian Inlet 0-20 nm
226 PM EDT Wed Sep 30 2026

TONIGHT
Southeast winds 5 to 10 knots, increasing to 10 to 15 knots after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 3 seconds and northeast 2 feet at 10 seconds. A light chop on the intracoastal waters. A chance of showers. A slight chance of thunderstorms this evening, then a chance of thunderstorms after midnight.

THURSDAY
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 chance of thunderstorms. Showers likely in the morning, then a chance of showers in the afternoon.

THURSDAY NIGHT
Southeast winds 10 to 15 knots. Seas 3 feet. Wave Detail: Southeast 3 feet at 5 seconds and northeast 1 foot at 9 seconds. A light chop on the intracoastal waters. A chance of showers. A chance of thunderstorms in the evening, then a slight chance of thunderstorms after midnight.

FRIDAY
Southeast winds 10 to 15 knots. Seas 3 feet. Wave Detail: East 3 feet at 5 seconds and northeast 1 foot at 10 seconds. A moderate chop on the intracoastal waters. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon.

FRIDAY NIGHT
Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 5 seconds and northeast 1 foot at 9 seconds. Mostly smooth on the intracoastal waters. A chance of showers. A chance of thunderstorms in the evening, then a slight chance of thunderstorms after midnight.

SATURDAY
East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 5 seconds and northeast 1 foot at 9 seconds. 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
Southeast 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.

SUNDAY
Southeast winds 5 to 10 knots. Seas 2 to 3 feet. A light chop on the intracoastal waters. A chance of showers and thunderstorms.

SUNDAY NIGHT
Southeast winds 5 to 10 knots, becoming south after midnight. Seas 2 to 3 feet. Mostly smooth on the intracoastal waters. A slight chance of showers and thunderstorms.

MONDAY
South winds around 5 knots, becoming southeast in the afternoon. Seas 2 feet. Smooth on the intracoastal waters. A slight chance of showers and thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon.

MONDAY NIGHT
South winds around 5 knots, becoming northwest after midnight. Seas 2 feet. Smooth on the intracoastal waters. Showers likely with a chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight.

Winds and waves higher in and near thunderstorms.

---

AMZ555-010830
Sebastian Inlet to Jupiter Inlet 0-20 nm
226 PM EDT Wed Sep 30 2026

TONIGHT
East winds 5 to 10 knots, becoming southeast 10 to 15 knots after midnight. Seas 2 to 3 feet. Wave Detail: East 3 feet at 4 seconds and northeast 1 foot at 10 seconds. A light chop on the intracoastal waters. A chance of thunderstorms. A chance of showers this evening, then showers likely after midnight.

THURSDAY
Southeast winds 10 to 15 knots. Seas 3 feet. Wave Detail: East 3 feet at 5 seconds and northeast 1 foot at 9 seconds. A moderate chop on the intracoastal waters. A chance of thunderstorms. Showers likely in the morning, then a chance of showers in the afternoon.

THURSDAY NIGHT
East winds 10 to 15 knots. Seas 3 feet. Wave Detail: Southeast 3 feet at 5 seconds and northeast 1 foot at 9 seconds. A light chop on the intracoastal waters. A chance of showers. A chance of thunderstorms in the evening, then a slight chance of thunderstorms after midnight.

FRIDAY
Southeast winds 10 to 15 knots. Seas 3 feet. Wave Detail: East 3 feet at 5 seconds and northeast 2 feet at 10 seconds. A moderate chop on the intracoastal waters. A chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon.

FRIDAY NIGHT
East winds around 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 5 seconds and northeast 2 feet at 9 seconds. Mostly smooth on the intracoastal waters. A chance of showers. A chance of thunderstorms in the evening, then a slight chance of thunderstorms after midnight.

SATURDAY
East winds around 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 4 seconds and northeast 2 feet at 9 seconds. A light chop on the intracoastal waters. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon.

SATURDAY NIGHT
East winds around 10 knots. Seas 2 to 3 feet. Mostly smooth on the intracoastal waters. A slight chance of showers and thunderstorms in the evening.

SUNDAY
Southeast winds 5 to 10 knots. 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
Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Mostly smooth on the intracoastal waters. A slight chance of thunderstorms in the evening. A slight chance of showers.

MONDAY
Southeast winds around 5 knots. Seas 2 feet. Smooth on the intracoastal waters. A slight chance of showers and thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon.

MONDAY NIGHT
South winds around 5 knots, becoming southwest after midnight. Seas 2 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.

---

AMZ570-010830
Flagler Beach to Volusia-Brevard County Line 20-60 nm
226 PM EDT Wed Sep 30 2026

TONIGHT
Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 3 seconds and northeast 2 feet at 10 seconds. A chance of showers. A slight chance of thunderstorms this evening, then a chance of thunderstorms after midnight.

THURSDAY
Southeast winds around 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 4 seconds and northeast 2 feet at 9 seconds. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon.

THURSDAY NIGHT
Southeast winds around 10 knots. Seas 3 feet. Wave Detail: Southeast 2 feet at 4 seconds and northeast 2 feet at 9 seconds. A chance of showers. A chance of thunderstorms in the evening, then a slight chance of thunderstorms after midnight.

FRIDAY
Southeast winds around 10 knots. Seas 3 feet. Wave Detail: Southeast 2 feet at 5 seconds and northeast 2 feet at 10 seconds. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon.

FRIDAY NIGHT
Southeast winds 5 to 10 knots. Seas 3 feet. Wave Detail: East 2 feet at 9 seconds and east 2 feet at 12 seconds. Showers likely with a chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight.

SATURDAY
East winds 5 to 10 knots. Seas 3 feet. Wave Detail: East 3 feet at 7 seconds and east 2 feet at 12 seconds. Showers likely with a chance of thunderstorms.

SATURDAY NIGHT
Southeast winds around 10 knots. Seas 3 feet. A chance of showers and thunderstorms.

SUNDAY
Southeast winds 5 to 10 knots. Seas 3 feet. A chance of showers and thunderstorms.

SUNDAY NIGHT
Southeast winds 5 to 10 knots, becoming south after midnight. Seas 2 to 3 feet. A chance of showers. A chance of thunderstorms in the evening, then a slight chance of thunderstorms after midnight.

MONDAY
Southwest winds 5 to 10 knots, becoming west in the afternoon. Seas 2 to 3 feet. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon.

MONDAY NIGHT
North winds 5 to 10 knots. Seas 2 to 3 feet. Showers. A chance of thunderstorms in the evening, then a slight chance of thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

---

AMZ572-010830
Volusia-Brevard County Line to Sebastian Inlet 20-60 nm
226 PM EDT Wed Sep 30 2026

TONIGHT
Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 3 seconds and northeast 2 feet at 10 seconds. A chance of showers and thunderstorms.

THURSDAY
Southeast winds 10 to 15 knots. Seas 3 feet. Wave Detail: Southeast 3 feet at 5 seconds and northeast 2 feet at 9 seconds. A chance of showers and thunderstorms.

THURSDAY NIGHT
East winds 10 to 15 knots. Seas 3 feet. Wave Detail: Southeast 3 feet at 4 seconds and northeast 2 feet at 9 seconds. A chance of showers. A chance of thunderstorms in the evening, then a slight chance of thunderstorms after midnight.

FRIDAY
Southeast winds 10 to 15 knots. Seas 3 feet. Wave Detail: East 3 feet at 5 seconds and east 3 feet at 9 seconds. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon.

FRIDAY NIGHT
Southeast winds around 10 knots. Seas 3 feet. Wave Detail: East 3 feet at 9 seconds and east 1 foot at 13 seconds. A chance of thunderstorms. Showers likely in the evening, then a chance of showers after midnight.

SATURDAY
East winds 10 to 15 knots. Seas 3 feet. Wave Detail: East 3 feet at 4 seconds and east 3 feet at 8 seconds. A chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon.

SATURDAY NIGHT
East winds 10 to 15 knots. Seas 3 feet. A chance of showers and thunderstorms in the evening, then a slight chance of showers and thunderstorms after midnight.

SUNDAY
Southeast winds around 10 knots. Seas 3 feet. A chance of showers and thunderstorms.

SUNDAY NIGHT
Southeast winds 5 to 10 knots. Seas 3 feet. A chance of showers. A chance of thunderstorms in the evening, then a slight chance of thunderstorms after midnight.

MONDAY
South winds 5 to 10 knots. Seas 2 to 3 feet. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon.

MONDAY NIGHT
South winds around 5 knots, becoming northwest after midnight. Seas 2 to 3 feet. Showers with a chance of thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

---

AMZ575-010830
Sebastian Inlet to Jupiter Inlet 20-60 nm
226 PM EDT Wed Sep 30 2026

TONIGHT
East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 4 seconds and northeast 2 feet at 10 seconds. A chance of thunderstorms. A chance of showers this evening, then showers likely after midnight.

THURSDAY
Southeast winds 10 to 15 knots. Seas 3 feet. Wave Detail: East 3 feet at 5 seconds and northeast 2 feet at 9 seconds. A chance of thunderstorms. Showers likely in the morning, then a chance of showers in the afternoon.

THURSDAY NIGHT
East winds 10 to 15 knots. Seas 3 feet. Wave Detail: East 3 feet at 5 seconds and northeast 2 feet at 9 seconds. A chance of showers. A chance of thunderstorms in the evening, then a slight chance of thunderstorms after midnight.

FRIDAY
Southeast winds 10 to 15 knots. Seas 3 feet. Wave Detail: East 3 feet at 5 seconds and northeast 2 feet at 10 seconds. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon.

FRIDAY NIGHT
East winds around 10 knots. Seas 3 feet. Wave Detail: East 2 feet at 5 seconds and northeast 2 feet at 9 seconds. Showers likely with a chance of thunderstorms in the evening, then a slight chance of showers and thunderstorms after midnight.

SATURDAY
East winds 10 to 15 knots. Seas 3 feet. Wave Detail: East 3 feet at 4 seconds and northeast 2 feet at 8 seconds. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon.

SATURDAY NIGHT
East winds 10 to 15 knots. Seas 3 feet. A slight chance of showers and thunderstorms.

SUNDAY
Southeast winds 5 to 10 knots. Seas 3 feet. A chance of showers and thunderstorms.

SUNDAY NIGHT
Southeast winds 5 to 10 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms.

MONDAY
South winds 5 to 10 knots. Seas 2 to 3 feet. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon.

MONDAY NIGHT
South winds around 5 knots, becoming southwest after midnight. Seas 2 to 3 feet. Showers likely with a chance of thunderstorms.

Winds and seas higher in and near thunderstorms.