


Coastal Waters Forecast
Issued by NWS Melbourne, FL
Issued by NWS Melbourne, FL
243 FZUS52 KMLB 010648 CWFMLB Coastal Waters Forecast for East Central Florida National Weather Service Melbourne FL 248 AM EDT Mon Sep 1 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. ANZ500-012030- Synopsis for Flagler Beach to Jupiter Inlet out to 60 nm 248 AM EDT Mon Sep 1 2025 .SYNOPSIS...A frontal boundary will slowly slide southward across the local waters through today. Poor to Hazardous boating conditions are expected north of Cape Canaveral, as a weak low pressure system along the boundary moves onshore. Deep moisture will support periods of showers and lightning storms through mid- week. .GULF STREAM HAZARDS...Northeast winds around 20 knots with occasional gusts to Gale Force across the Volusia waters. Seas building 5 to 7 feet north of Cape Canaveral. The approximate location of the west wall of the Gulf Stream based on the Real Time Ocean Forecast System as of Monday, September 1st, 2025. 45 nautical miles east of Ponce Inlet. 32 nautical miles east of Port Canaveral. 26 nautical miles east of Sebastian Inlet. 19 nautical miles east of Fort Pierce Inlet. 12 nautical miles east of Saint Lucie Inlet. $$ AMZ550-012030- Flagler Beach to Volusia-Brevard County Line 0-20 nm- 248 AM EDT Mon Sep 1 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...Northeast winds near 20 knots and gusty. Seas building to 5 to 7 feet, occasionally to 8 feet. Wave Detail: Northeast 6 feet at 8 seconds. Choppy on the intracoastal waters. Showers likely. A chance of thunderstorms this morning, then thunderstorms likely this afternoon. .TONIGHT...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 6 feet at 8 seconds. Choppy on the intracoastal waters. A chance of showers and thunderstorms. .TUESDAY...Northeast winds 10 to 15 knots. Seas 4 feet. Wave Detail: Northeast 4 feet at 8 seconds. A moderate chop on the intracoastal waters. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. .TUESDAY NIGHT...Northeast winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 3 to 4 feet. Wave Detail: Northeast 4 feet at 7 seconds. A light chop on the intracoastal waters. A chance of showers and thunderstorms. .WEDNESDAY...Northeast winds 5 to 10 knots. Seas 3 feet. Wave Detail: Northeast 3 feet at 8 seconds. A light chop on the intracoastal waters. Showers likely with a chance of thunderstorms. .WEDNESDAY NIGHT...Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 8 seconds. Mostly smooth on the intracoastal waters. A chance of showers and thunderstorms. .THURSDAY...North winds 5 to 10 knots, becoming northeast in the afternoon. 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. .THURSDAY NIGHT...Southeast winds 5 to 10 knots, becoming west after midnight. 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. .FRIDAY...North winds 5 to 10 knots, becoming east in the afternoon. Seas 2 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. .FRIDAY NIGHT...Southeast winds 5 to 10 knots, becoming southwest after midnight. Seas 2 feet. Mostly smooth on the intracoastal waters. A slight chance of showers and thunderstorms. Winds and waves higher in and near thunderstorms. $$ AMZ552-012030- Volusia-Brevard County Line to Sebastian Inlet 0-20 nm- 248 AM EDT Mon Sep 1 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TODAY...Northeast winds 10 to 15 knots, increasing to 15 to 20 knots late this morning and afternoon. Seas building to 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 8 seconds. Choppy on the intracoastal waters. Showers likely. A chance of thunderstorms this morning, then thunderstorms likely this afternoon. .TONIGHT...Northeast winds 15 to 20 knots, diminishing to around 10 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 8 seconds. Choppy on the intracoastal waters. A chance of thunderstorms. Showers likely in the evening, then a chance of showers after midnight. .TUESDAY...Northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at 8 seconds. A moderate chop on the intracoastal waters. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. .TUESDAY NIGHT...Northeast winds 5 to 10 knots. Seas 3 feet. Wave Detail: Northeast 3 feet at 8 seconds. Mostly smooth on the intracoastal waters. A chance of thunderstorms. Showers likely in the evening, then a chance of showers after midnight. .WEDNESDAY...Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 8 seconds. A light chop on the intracoastal waters. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. .WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 8 seconds. Mostly smooth on the intracoastal waters. A chance of thunderstorms. Showers likely in the evening, then a chance of showers after midnight. .THURSDAY...North winds 5 to 10 knots, becoming northeast in the afternoon. Seas 2 to 3 feet. A light chop on the intracoastal waters. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. .THURSDAY NIGHT...Southeast winds 5 to 10 knots, becoming west after midnight. Seas 2 feet. 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. .FRIDAY...North winds 5 to 10 knots, becoming east in the afternoon. Seas 2 feet. A light chop on the intracoastal waters. A chance of showers and thunderstorms. .FRIDAY NIGHT...Southeast winds 5 to 10 knots, becoming southwest after midnight. Seas 2 feet. 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. Winds and waves higher in and near thunderstorms. $$ AMZ555-012030- Sebastian Inlet to Jupiter Inlet 0-20 nm- 248 AM EDT Mon Sep 1 2025 .TODAY...West winds 5 to 10 knots, becoming north late this morning, becoming northeast 10 to 15 knots this afternoon. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 8 seconds. A moderate chop on the intracoastal waters. A chance of showers and thunderstorms this morning, then showers and thunderstorms likely this afternoon. .TONIGHT...East winds 10 to 15 knots, becoming northwest 5 to 10 knots after midnight. Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at 8 seconds and southeast 1 foot at 3 seconds. A light chop on the intracoastal waters. Showers and thunderstorms likely in the evening, then a chance of showers and thunderstorms after midnight. .TUESDAY...Northwest winds 5 to 10 knots, becoming north in the afternoon. 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 in the morning, then showers and thunderstorms likely in the afternoon. .TUESDAY NIGHT...Northeast winds 5 to 10 knots, becoming north after midnight. Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at 8 seconds. Mostly smooth on the intracoastal waters. A chance of thunderstorms. Showers likely in the evening, then a chance of showers after midnight. .WEDNESDAY...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. Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .WEDNESDAY NIGHT...Southeast winds 5 to 10 knots, becoming southwest after midnight. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 8 seconds. Mostly smooth on the intracoastal waters. Showers likely with a chance of thunderstorms. .THURSDAY...Northwest winds 5 to 10 knots, becoming east in the afternoon. Seas 2 to 3 feet. A light chop on the intracoastal waters. Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .THURSDAY NIGHT...South winds 5 to 10 knots, becoming southwest after midnight. Seas 2 to 3 feet. Mostly smooth on the intracoastal waters. A chance of showers and thunderstorms. .FRIDAY...West winds 5 to 10 knots, becoming east in the afternoon. Seas 2 to 3 feet. A light chop on the intracoastal waters. Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .FRIDAY NIGHT...Southeast winds 5 to 10 knots, becoming southwest after midnight. Seas 2 feet. Mostly smooth on the intracoastal waters. A chance of showers and thunderstorms. Winds and waves higher in and near thunderstorms. $$ AMZ570-012030- Flagler Beach to Volusia-Brevard County Line 20-60 nm- 248 AM EDT Mon Sep 1 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...Northeast winds near 20 knots and gusty. Seas 6 to 7 feet, occasionally to 9 feet. Wave Detail: Northeast 6 feet at 8 seconds. Showers likely. A chance of thunderstorms this morning, then thunderstorms likely this afternoon. .TONIGHT...Northeast winds 15 to 20 knots, diminishing to around 10 knots after midnight. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Northeast 6 feet at 8 seconds and north 4 feet at 8 seconds. Showers likely with a chance of thunderstorms. .TUESDAY...Northeast winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: North 4 feet at 7 seconds and northeast 4 feet at 8 seconds. Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .TUESDAY NIGHT...Northeast winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 8 seconds and north 3 feet at 7 seconds. Showers likely. Thunderstorms likely in the evening, then a chance of thunderstorms after midnight. .WEDNESDAY...Northeast winds 5 to 10 knots. Seas 3 to 4 feet. Wave Detail: North 3 feet at 7 seconds and northeast 3 feet at 8 seconds. Showers likely with a chance of thunderstorms. .WEDNESDAY NIGHT...Northeast winds 5 to 10 knots. Seas 3 to 4 feet. Wave Detail: North 3 feet at 8 seconds and northeast 3 feet at 8 seconds. Showers likely with a chance of thunderstorms. .THURSDAY...North winds 5 to 10 knots, becoming northeast in the afternoon. Seas 3 feet. A chance of showers and thunderstorms. .THURSDAY NIGHT...Southeast winds 5 to 10 knots, becoming southwest after midnight. Seas 2 to 3 feet. A chance of showers and thunderstorms. .FRIDAY...North winds 5 to 10 knots, becoming northeast in the afternoon. Seas 2 to 3 feet. A chance of showers and thunderstorms. .FRIDAY NIGHT...Southeast winds 5 to 10 knots, becoming south after midnight. Seas 2 to 3 feet. A chance of showers and thunderstorms. Winds and seas higher in and near thunderstorms. $$ AMZ572-012030- Volusia-Brevard County Line to Sebastian Inlet 20-60 nm- 248 AM EDT Mon Sep 1 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TODAY...East winds 10 to 15 knots, becoming northeast 15 to 20 knots this afternoon. Seas building to 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 4 feet at 8 seconds and north 4 feet at 8 seconds. Showers and thunderstorms likely. .TONIGHT...East winds 15 to 20 knots, diminishing to around 10 knots after midnight. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 4 feet at 8 seconds and north 4 feet at 8 seconds. Showers likely with a chance of thunderstorms. .TUESDAY...Northeast winds around 10 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: North 4 feet at 8 seconds and northeast 3 feet at 8 seconds. Showers with a chance of thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. .TUESDAY NIGHT...Northeast winds 5 to 10 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: North 3 feet at 7 seconds. Showers likely. Thunderstorms likely in the evening, then a chance of thunderstorms after midnight. .WEDNESDAY...North winds 5 to 10 knots. Seas 3 to 4 feet. Wave Detail: North 3 feet at 7 seconds and northeast 3 feet at 8 seconds. Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .WEDNESDAY NIGHT...East winds 5 to 10 knots, becoming southeast after midnight. Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at 8 seconds and north 2 feet at 8 seconds. Showers likely with a chance of thunderstorms. .THURSDAY...North winds 5 to 10 knots, becoming northeast in the afternoon. Seas 3 feet. A chance of thunderstorms. Showers likely in the morning, then a chance of showers in the afternoon. .THURSDAY NIGHT...Southeast winds 5 to 10 knots, becoming southwest after midnight. Seas 2 to 3 feet. A chance of showers and thunderstorms. .FRIDAY...Northwest winds 5 to 10 knots, becoming east in the afternoon. Seas 2 to 3 feet. A chance of showers and thunderstorms. .FRIDAY NIGHT...Southeast winds 5 to 10 knots, becoming southwest after midnight. Seas 2 to 3 feet. A chance of showers and thunderstorms. Winds and seas higher in and near thunderstorms. $$ AMZ575-012030- Sebastian Inlet to Jupiter Inlet 20-60 nm- 248 AM EDT Mon Sep 1 2025 .TODAY...West winds 5 to 10 knots, becoming northwest late this morning, becoming northeast early this afternoon, becoming east 10 to 15 knots late. Seas 3 to 4 feet. Wave Detail: North 4 feet at 8 seconds. Showers likely. A chance of thunderstorms this morning, then thunderstorms likely this afternoon. .TONIGHT...Southeast winds 10 to 15 knots, becoming south 5 to 10 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: North 4 feet at 8 seconds and northeast 3 feet at 8 seconds. Showers likely. Thunderstorms likely in the evening, then a chance of thunderstorms after midnight. .TUESDAY...Northwest winds 5 to 10 knots, becoming north in the afternoon. Seas 3 to 4 feet. Wave Detail: North 4 feet at 8 seconds and northeast 3 feet at 8 seconds. Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .TUESDAY NIGHT...Northeast winds 5 to 10 knots. Seas 4 feet. Wave Detail: North 3 feet at 7 seconds. Showers likely. Thunderstorms likely in the evening, then a chance of thunderstorms after midnight. .WEDNESDAY...North winds 5 to 10 knots. Seas 3 to 4 feet. Wave Detail: North 3 feet at 7 seconds and northeast 3 feet at 8 seconds. Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .WEDNESDAY NIGHT...Southeast winds 5 to 10 knots, becoming southwest after midnight. Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at 8 seconds and north 2 feet at 7 seconds. Showers likely. Thunderstorms likely in the evening, then a chance of thunderstorms after midnight. .THURSDAY...West winds around 10 knots, becoming south in the afternoon. Seas 3 to 4 feet. Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .THURSDAY NIGHT...South winds around 10 knots, becoming southwest after midnight. Seas 3 feet. A chance of showers and thunderstorms. .FRIDAY...West winds around 10 knots, becoming south in the afternoon. Seas 2 to 3 feet. A chance of thunderstorms. Showers likely in the morning, then a chance of showers in the afternoon. .FRIDAY NIGHT...South winds 5 to 10 knots. Seas 2 to 3 feet. A chance of showers and thunderstorms. Winds and seas higher in and near thunderstorms. $$