661 FZUS52 KMLB 121932 CWFMLB Coastal Waters Forecast for East Central Florida National Weather Service Melbourne FL 332 PM EDT Fri Sep 12 2025 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. ANZ500-130830- Synopsis for Flagler Beach to Jupiter Inlet out to 60 nm 332 PM EDT Fri Sep 12 2025 .SYNOPSIS...A weak surface front south of the local Atlantic waters pushes further southward this weekend into early next week. Lingering moisture and moderate onshore flow will continue to promote periods of numerous showers and occasional lightning storms through the weekend. Gradual development of a low pressure system along the southeast seaboard will produce poor boating conditions north of the Cape at times through the weekend due to a northeast swell and a freshening north to northeast breeze each afternoon and evening. .GULF STREAM HAZARDS...Northeast winds up to 15 to 20 knots and seas up to 6 feet at times north of the Cape through the weekend. The approximate location of the west wall of the Gulf Stream based on the Real Time Ocean Forecast System as of Friday, September 12th, 2025. 46 nautical miles east of Ponce Inlet. 33 nautical miles east of Port Canaveral. 28 nautical miles east of Sebastian Inlet. 20 nautical miles east of Fort Pierce Inlet. 14 nautical miles east of Saint Lucie Inlet. $$ AMZ550-130830- Flagler Beach to Volusia-Brevard County Line 0-20 nm- 332 PM EDT Fri Sep 12 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TONIGHT...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots late this evening and overnight. Seas 4 feet. Wave Detail: Northeast 4 feet at 8 seconds. Choppy on the intracoastal waters. Thunderstorms likely this afternoon. Showers likely this afternoon and evening. A chance of thunderstorms. A chance of showers after midnight. .SATURDAY...North winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: North 6 feet at 7 seconds. Choppy on the intracoastal waters. A chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. .SATURDAY NIGHT...North winds 15 to 20 knots, becoming northeast 10 to 15 knots after midnight. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: North 6 feet at 8 seconds. Choppy on the intracoastal waters. A chance of showers. A chance of thunderstorms in the evening, then a slight chance of thunderstorms after midnight. .SUNDAY...North winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: North 5 feet at 8 seconds. Choppy 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...Northeast winds 15 to 20 knots, becoming north around 10 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: North 5 feet at 8 seconds. Choppy on the intracoastal waters. A chance of showers. A chance of thunderstorms in the evening, then a slight chance of thunderstorms after midnight. .MONDAY...North winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Northeast 4 feet at 8 seconds. A moderate 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. .MONDAY NIGHT...North winds 10 to 15 knots. Seas 3 to 4 feet. A light chop on the intracoastal waters. A slight chance of thunderstorms in the evening. A slight chance of showers. .TUESDAY...North winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. A moderate 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. .TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. A light chop on the intracoastal waters. A slight chance of thunderstorms in the evening. A slight chance of showers. .WEDNESDAY...Northeast winds 10 to 15 knots. Seas 4 feet. A moderate 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. .WEDNESDAY NIGHT...Northeast winds 10 to 15 knots, becoming east 5 to 10 knots after midnight. Seas 3 to 4 feet. 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. Winds and waves higher in and near thunderstorms. $$ AMZ552-130830- Volusia-Brevard County Line to Sebastian Inlet 0-20 nm- 332 PM EDT Fri Sep 12 2025 .TONIGHT...Northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Northeast 4 feet at 8 seconds and southeast 1 foot at 4 seconds. A light chop on the intracoastal waters. Showers and thunderstorms likely this afternoon, then a chance of showers and thunderstorms. .SATURDAY...North winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Northeast 4 feet at 8 seconds and southeast 1 foot at 4 seconds. A moderate chop on the intracoastal waters. A chance of showers and thunderstorms. .SATURDAY NIGHT...North winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 8 seconds and southeast 1 foot at 4 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. .SUNDAY...North winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Northeast 4 feet at 8 seconds and southeast 1 foot at 4 seconds. A moderate 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...North winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at 8 seconds and southeast 1 foot at 4 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. .MONDAY...North winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at 8 seconds and southeast 1 foot at 4 seconds. A moderate 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. .MONDAY NIGHT...North winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 3 to 4 feet. A light chop on the intracoastal waters. A chance of showers and thunderstorms in the evening, then a slight chance of showers and thunderstorms after midnight. .TUESDAY...North winds 5 to 10 knots, becoming northeast 10 to 15 knots in the afternoon. Seas 3 to 4 feet. A moderate 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. .TUESDAY NIGHT...Northeast winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 3 to 4 feet. A light chop on the intracoastal waters. A slight chance of showers and thunderstorms. .WEDNESDAY...Northeast winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas 3 to 4 feet. A moderate 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. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. A light chop on the intracoastal waters. A chance of showers and thunderstorms. Winds and waves higher in and near thunderstorms. $$ AMZ555-130830- Sebastian Inlet to Jupiter Inlet 0-20 nm- 332 PM EDT Fri Sep 12 2025 .TONIGHT...Northeast winds 10 to 15 knots, becoming north 5 to 10 knots after midnight. Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at 7 seconds. A light chop on the intracoastal waters. Showers and thunderstorms likely this afternoon, then a chance of showers and thunderstorms. .SATURDAY...North winds 5 to 10 knots. Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at 8 seconds. A light chop on the intracoastal waters. A chance of showers and thunderstorms. .SATURDAY NIGHT...North winds 5 to 10 knots. Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at 8 seconds and southeast 1 foot at 4 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. .SUNDAY...North winds 5 to 10 knots. Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at 8 seconds and southeast 1 foot at 4 seconds. 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...North winds 5 to 10 knots. Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at 8 seconds and southeast 1 foot at 4 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. .MONDAY...North winds 5 to 10 knots. Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at 8 seconds and southeast 1 foot at 4 seconds. 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. .MONDAY NIGHT...Northeast winds 5 to 10 knots. Seas 3 to 4 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. .TUESDAY...Northeast winds 5 to 10 knots. Seas 3 to 4 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. .TUESDAY NIGHT...Northeast winds 5 to 10 knots. Seas 3 to 4 feet. Mostly smooth on the intracoastal waters. A chance of showers and thunderstorms. .WEDNESDAY...Northeast winds 5 to 10 knots. Seas 3 to 4 feet. A light chop on the intracoastal waters. A chance of showers and thunderstorms. .WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet. Mostly smooth on the intracoastal waters. A chance of showers and thunderstorms. Winds and waves higher in and near thunderstorms. $$ AMZ570-130830- Flagler Beach to Volusia-Brevard County Line 20-60 nm- 332 PM EDT Fri Sep 12 2025 .TONIGHT...Northeast winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: North 4 feet at 7 seconds. Showers and thunderstorms likely this afternoon and evening, then a chance of showers and thunderstorms after midnight. .SATURDAY...Northeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 5 feet at 8 seconds and north 4 feet at 7 seconds. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. .SATURDAY NIGHT...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 5 feet at 8 seconds and north 4 feet at 8 seconds. A chance of thunderstorms. Showers likely in the evening, then a chance of showers after midnight. .SUNDAY...North winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 8 seconds and north 3 feet at 7 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. .SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 8 seconds and north 3 feet at 7 seconds. A chance of showers and thunderstorms. .MONDAY...North winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 8 seconds and north 3 feet at 7 seconds. A chance of showers and thunderstorms. .MONDAY NIGHT...North winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. A chance of showers. A chance of thunderstorms in the evening, then a slight chance of thunderstorms after midnight. .TUESDAY...North winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. A chance of showers. A chance of thunderstorms in the evening, then a slight chance of thunderstorms after midnight. .WEDNESDAY...Northeast winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .WEDNESDAY NIGHT...East winds around 10 knots. Seas 4 to 5 feet, occasionally to 6 feet. A chance of showers and thunderstorms. Winds and seas higher in and near thunderstorms. $$ AMZ572-130830- Volusia-Brevard County Line to Sebastian Inlet 20-60 nm- 332 PM EDT Fri Sep 12 2025 .TONIGHT...Northeast winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: North 4 feet at 7 seconds. Showers and thunderstorms likely this afternoon, then a chance of showers and thunderstorms. .SATURDAY...North winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 8 seconds and northwest 3 feet at 7 seconds. A chance of showers and thunderstorms. .SATURDAY NIGHT...North winds around 10 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 8 seconds and northwest 3 feet at 8 seconds. A chance of showers and thunderstorms. .SUNDAY...North winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 8 seconds and north 3 feet at 8 seconds. A chance of showers and thunderstorms. .SUNDAY NIGHT...North winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 8 seconds and north 3 feet at 7 seconds. A chance of showers and thunderstorms. .MONDAY...North winds 5 to 10 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: North 3 feet at 7 seconds and northeast 3 feet at 8 seconds. A chance of showers and thunderstorms. .MONDAY NIGHT...North winds around 10 knots. Seas 4 to 5 feet, occasionally to 6 feet. A chance of showers. A chance of thunderstorms in the evening, then a slight chance of thunderstorms after midnight. .TUESDAY...North winds around 10 knots. Seas 4 to 5 feet, occasionally to 6 feet. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .TUESDAY NIGHT...Northeast winds around 10 knots. Seas 4 to 5 feet, occasionally to 6 feet. A chance of showers. A chance of thunderstorms in the evening, then a slight chance of thunderstorms after midnight. .WEDNESDAY...Northeast winds around 10 knots. Seas 4 to 5 feet, occasionally to 6 feet. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .WEDNESDAY NIGHT...East winds around 10 knots. Seas 4 to 5 feet, occasionally to 6 feet. A chance of showers and thunderstorms. Winds and seas higher in and near thunderstorms. $$ AMZ575-130830- Sebastian Inlet to Jupiter Inlet 20-60 nm- 332 PM EDT Fri Sep 12 2025 .TONIGHT...Northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: North 4 feet at 7 seconds. Showers and thunderstorms likely this afternoon, then a chance of showers and thunderstorms. .SATURDAY...North winds 5 to 10 knots. Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at 8 seconds and northwest 2 feet at 7 seconds. A chance of showers and thunderstorms. .SATURDAY NIGHT...North winds 5 to 10 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 8 seconds and northwest 2 feet at 8 seconds. A chance of showers and thunderstorms. .SUNDAY...North winds 5 to 10 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 8 seconds and north 3 feet at 8 seconds. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. .SUNDAY NIGHT...North winds 5 to 10 knots. Seas 4 feet. Wave Detail: Northeast 4 feet at 8 seconds and north 3 feet at 7 seconds. A chance of showers. A chance of thunderstorms in the evening, then a slight chance of thunderstorms after midnight. .MONDAY...North winds 5 to 10 knots. Seas 4 feet. Wave Detail: Northeast 3 feet at 8 seconds and north 2 feet at 7 seconds. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. .MONDAY NIGHT...Northeast winds 5 to 10 knots. Seas 4 feet. A chance of showers. A chance of thunderstorms in the evening, then a slight chance of thunderstorms after midnight. .TUESDAY...Northeast winds 5 to 10 knots. Seas 4 to 5 feet, occasionally to 6 feet. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. .TUESDAY NIGHT...Northeast winds around 10 knots. Seas 4 to 5 feet, occasionally to 6 feet. A chance of showers and thunderstorms. .WEDNESDAY...Northeast winds around 10 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. .WEDNESDAY NIGHT...East winds around 10 knots. Seas 4 to 5 feet, occasionally to 6 feet. Showers likely with a chance of thunderstorms. Winds and seas higher in and near thunderstorms. $$