Coastal Waters Forecast
Issued by NWS Melbourne, FL
Issued by NWS Melbourne, FL
187 FZUS52 KMLB 110716 CWFMLB Coastal Waters Forecast for East Central Florida National Weather Service Melbourne FL 216 AM EST Thu Dec 11 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. AMZ500-111945- Synopsis for Flagler Beach to Jupiter Inlet out to 60 nm 216 AM EST Thu Dec 11 2025 .SYNOPSIS...Poor to hazardous boating conditions today, especially in the Gulf Stream, as winds and seas increase behind a dry cold front pushing through Florida and the local Atlantic waters this morning. Boating conditions improve Friday and most of the weekend as high pressure behind the front moves over Florida and then offshore into the nearby Atlantic waters. Boating conditions deteriorate again late Sunday and Monday as a deeping area of high pressure dives into the Southeast. .GULF STREAM HAZARDS...West to northwest winds 20 to 25 knots this morning, decreasing to 15 to 20 knots in the afternoon. Seas 5 to 7 feet through the day, possibly up to 8 feet at times. The approximate location of the west wall of the Gulf Stream based on the Real Time Ocean Forecast System as of Thursday, December 11th, 2025. 46 nautical miles east of Ponce Inlet. 36 nautical miles east of Port Canaveral. 31 nautical miles east of Sebastian Inlet. 23 nautical miles east of Fort Pierce Inlet. 15 nautical miles east of Saint Lucie Inlet. $$ AMZ550-111945- Flagler Beach to Volusia-Brevard County Line 0-20 nm- 216 AM EST Thu Dec 11 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TODAY...Northwest winds 15 to 20 knots, diminishing to 10 to 15 knots late. Seas 3 to 4 feet. Wave Detail: Northwest 4 feet at 5 seconds and northeast 3 feet at 10 seconds. Choppy on the intracoastal waters. .TONIGHT...Northwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: North 3 feet at 5 seconds and northeast 2 feet at 9 seconds. Mostly smooth on the intracoastal waters. .FRIDAY...Northwest winds around 5 knots, becoming south in the afternoon. Seas 1 to 2 feet. Wave Detail: Northeast 2 feet at 8 seconds and north 1 foot at 4 seconds. Smooth on the intracoastal waters. .FRIDAY NIGHT...South winds around 5 knots, becoming west after midnight. Seas 1 to 2 feet. Wave Detail: Northeast 2 feet at 7 seconds. Smooth on the intracoastal waters. .SATURDAY...Northwest winds around 5 knots, becoming northeast in the afternoon. Seas 1 foot. Wave Detail: Northeast 1 foot at 9 seconds. Smooth on the intracoastal waters. .SATURDAY NIGHT...East winds around 5 knots, becoming west after midnight. Seas 1 foot. Wave Detail: Southeast 1 foot at 3 seconds and northeast 1 foot at 8 seconds. Mostly smooth on the intracoastal waters. .SUNDAY...Northwest winds 5 to 10 knots, becoming north 15 to 20 knots in the afternoon. Seas 2 to 3 feet. Choppy on the intracoastal waters. .SUNDAY NIGHT...North winds 20 to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet, building to 6 to 8 feet, occasionally to 10 feet after midnight. Rough on the intracoastal waters. .MONDAY...Northeast winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 6 to 8 feet, occasionally to 10 feet. Rough on the intracoastal waters. .MONDAY NIGHT...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 4 to 6 feet, occasionally to 8 feet. Choppy on the intracoastal waters. $$ AMZ552-111945- Volusia-Brevard County Line to Sebastian Inlet 0-20 nm- 216 AM EST Thu Dec 11 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TODAY...Northwest winds 15 to 20 knots, diminishing to 10 to 15 knots late. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northwest 4 feet at 5 seconds and northeast 4 feet at 10 seconds. Choppy on the intracoastal waters. .TONIGHT...Northwest winds 5 to 10 knots. Seas 3 to 4 feet. Wave Detail: North 3 feet at 6 seconds and northeast 2 feet at 9 seconds. Mostly smooth on the intracoastal waters. .FRIDAY...Northwest winds around 5 knots, becoming east in the afternoon. Seas 2 feet. Wave Detail: North 2 feet at 8 seconds. Smooth on the intracoastal waters. .FRIDAY NIGHT...South winds around 5 knots, becoming southwest after midnight. Seas 1 to 2 feet. Wave Detail: North 2 feet at 7 seconds. Smooth on the intracoastal waters. .SATURDAY...North winds around 5 knots, becoming northeast in the afternoon. Seas 1 to 2 feet. Wave Detail: Northeast 1 foot at 9 seconds. A light chop on the intracoastal waters. .SATURDAY NIGHT...East winds 5 to 10 knots, becoming southwest after midnight. Seas 1 to 2 feet. Wave Detail: Northeast 2 feet at 8 seconds and east 1 foot at 3 seconds. Mostly smooth on the intracoastal waters. .SUNDAY...Northwest winds 5 to 10 knots, becoming north 10 to 15 knots in the afternoon. Seas 1 to 2 feet. A moderate chop on the intracoastal waters. .SUNDAY NIGHT...North winds 20 to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet, building to 5 to 7 feet, occasionally to 9 feet after midnight. Rough on the intracoastal waters. .MONDAY...Northeast winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 6 to 8 feet, occasionally to 10 feet. Rough on the intracoastal waters. A slight chance of showers. .MONDAY NIGHT...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 4 to 6 feet, occasionally to 8 feet. Choppy on the intracoastal waters. $$ AMZ555-111945- Sebastian Inlet to Jupiter Inlet 0-20 nm- 216 AM EST Thu Dec 11 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION THIS MORNING... .TODAY...Northwest winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 5 feet at 11 seconds and northwest 4 feet at 5 seconds. Choppy on the intracoastal waters. .TONIGHT...North winds 5 to 10 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: North 3 feet at 6 seconds and northeast 3 feet at 9 seconds. Mostly smooth on the intracoastal waters. .FRIDAY...East winds around 5 knots. Seas 2 to 3 feet. Wave Detail: North 2 feet at 8 seconds and southeast 1 foot at 4 seconds. Smooth on the intracoastal waters. .FRIDAY NIGHT...Southeast winds around 5 knots. Seas 2 feet. Wave Detail: Northeast 2 feet at 8 seconds and southeast 1 foot at 4 seconds. Smooth on the intracoastal waters. .SATURDAY...East winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: Northeast 2 feet at 8 seconds and southeast 1 foot at 4 seconds. A light chop on the intracoastal waters. .SATURDAY NIGHT...East winds 5 to 10 knots. Seas 2 feet. Wave Detail: Northeast 2 feet at 8 seconds and east 1 foot at 4 seconds. Mostly smooth on the intracoastal waters. A slight chance of showers after midnight. .SUNDAY...North winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas 2 feet. A moderate chop on the intracoastal waters. A slight chance of showers. .SUNDAY NIGHT...North winds 15 to 20 knots, increasing to 20 to 25 knots after midnight. Seas 3 to 4 feet, building to 5 to 7 feet, occasionally to 9 feet after midnight. Rough on the intracoastal waters. A slight chance of showers. .MONDAY...Northeast winds 20 to 25 knots. Seas 7 to 9 feet, occasionally to 11 feet. Rough on the intracoastal waters. A slight chance of showers. .MONDAY NIGHT...Northeast winds 15 to 20 knots. Seas 6 to 8 feet, occasionally to 10 feet. Choppy on the intracoastal waters. A slight chance of showers in the evening. $$ AMZ570-111945- Flagler Beach to Volusia-Brevard County Line 20-60 nm- 216 AM EST Thu Dec 11 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...Northwest winds 20 to 25 knots, diminishing to 15 to 20 knots late this morning and afternoon. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Northwest 6 feet at 6 seconds and northeast 4 feet at 10 seconds. .TONIGHT...Northwest winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: North 4 feet at 7 seconds and northeast 2 feet at 9 seconds. .FRIDAY...Northwest winds around 5 knots, becoming southwest in the afternoon. Seas 2 to 3 feet. Wave Detail: North 3 feet at 4 seconds and northeast 2 feet at 8 seconds. .FRIDAY NIGHT...Southwest winds 5 to 10 knots. Seas 2 feet. Wave Detail: Northeast 2 feet at 7 seconds and northwest 1 foot at 2 seconds. .SATURDAY...West winds around 5 knots, becoming north in the afternoon. Seas 1 to 2 feet. Wave Detail: Northeast 2 feet at 9 seconds and northwest 1 foot at 3 seconds. .SATURDAY NIGHT...Southeast winds 5 to 10 knots, becoming southwest after midnight. Seas 2 feet. Wave Detail: East 2 feet at 8 seconds and southeast 1 foot at 3 seconds. .SUNDAY...Northwest winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Seas 3 to 4 feet. .SUNDAY NIGHT...North winds 20 to 25 knots. Seas 5 to 7 feet, occasionally to 9 feet, building to 7 to 9 feet, occasionally to 11 feet after midnight. A slight chance of showers. .MONDAY...Northeast winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 7 to 9 feet, occasionally to 11 feet. A slight chance of showers. .MONDAY NIGHT...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 6 to 8 feet, occasionally to 10 feet. A slight chance of showers in the evening. $$ AMZ572-111945- Volusia-Brevard County Line to Sebastian Inlet 20-60 nm- 216 AM EST Thu Dec 11 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...Northwest winds 20 to 25 knots, diminishing to 15 to 20 knots this afternoon. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Northwest 6 feet at 6 seconds and northeast 4 feet at 10 seconds. .TONIGHT...Northwest winds 10 to 15 knots, becoming north 5 to 10 knots after midnight. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: North 6 feet at 7 seconds and northeast 2 feet at 9 seconds. .FRIDAY...North winds around 5 knots, becoming south in the afternoon. Seas 3 to 4 feet. Wave Detail: North 4 feet at 7 seconds and northeast 2 feet at 9 seconds. .FRIDAY NIGHT...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: North 2 feet at 5 seconds and northeast 2 feet at 8 seconds. .SATURDAY...East winds 5 to 10 knots. Seas 2 feet. Wave Detail: Northwest 2 feet at 5 seconds and northeast 2 feet at 9 seconds. .SATURDAY NIGHT...Southeast winds 5 to 10 knots, becoming south after midnight. Seas 2 feet. Wave Detail: Southeast 2 feet at 4 seconds and northeast 2 feet at 8 seconds. .SUNDAY...Northwest winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas 3 to 4 feet. A slight chance of showers in the morning. .SUNDAY NIGHT...North winds 20 to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet, building to 7 to 9 feet, occasionally to 11 feet after midnight. A slight chance of showers in the evening, then a chance of showers after midnight. .MONDAY...Northeast winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 8 to 9 feet, occasionally to 11 feet. A chance of showers in the morning, then a slight chance of showers in the afternoon. .MONDAY NIGHT...Northeast winds 15 to 20 knots. Seas 7 to 9 feet, occasionally to 11 feet, subsiding to 6 to 7 feet, occasionally to 9 feet after midnight. A slight chance of showers. $$ AMZ575-111945- Sebastian Inlet to Jupiter Inlet 20-60 nm- 216 AM EST Thu Dec 11 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...Northwest winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Northwest 6 feet at 6 seconds and northeast 5 feet at 10 seconds. .TONIGHT...North winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: North 6 feet at 7 seconds and northeast 4 feet at 9 seconds. .FRIDAY...East winds around 5 knots. Seas 3 to 4 feet. Wave Detail: North 4 feet at 9 seconds and south 3 feet at 7 seconds. .FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: North 3 feet at 7 seconds and south 1 foot at 4 seconds. .SATURDAY...East winds 5 to 10 knots. Seas 2 feet. Wave Detail: Southeast 2 feet at 4 seconds and northeast 2 feet at 7 seconds. .SATURDAY NIGHT...East winds 5 to 10 knots. Seas 2 feet. Wave Detail: East 2 feet at 4 seconds and northeast 2 feet at 9 seconds. A slight chance of showers after midnight. .SUNDAY...North winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas 2 to 3 feet. A chance of showers in the morning, then a slight chance of showers in the afternoon. .SUNDAY NIGHT...North winds 15 to 20 knots, increasing to 20 to 25 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet, building to 6 to 8 feet, occasionally to 10 feet after midnight. A slight chance of showers in the evening, then a chance of showers after midnight. .MONDAY...Northeast winds 20 to 25 knots. Seas 8 to 10 feet, occasionally to 13 feet. A chance of showers. .MONDAY NIGHT...Northeast winds 15 to 20 knots. Seas 7 to 9 feet, occasionally to 11 feet. A slight chance of showers. $$