FZUS52 KMLB 190028 CWFMLB Coastal Waters Forecast for East Central Florida National Weather Service Melbourne FL 828 PM EDT Mon May 18 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. AMZ500-190830- Synopsis for Flagler Beach to Jupiter Inlet out to 60 nm 828 PM EDT Mon May 18 2026 .SYNOPSIS...High pressure remains over the local waters this week, maintaining favorable boating conditions. A moderate onshore breeze continues with occasionally higher gusts. Poor boating conditions briefly develop tonight in the Gulf Stream, south of the Cape, as seas build to 5 feet. The center of high pressure will drift farther north and east of the area by mid week, but little to no change in the overall pattern is expected into this weekend. .GULF STREAM HAZARDS...East winds 15 to 20 knots south of Cape Canaveral with seas up to 5 feet. The approximate location of the west wall of the Gulf Stream based on the Real Time Ocean Forecast System as of Monday, May 18th, 2026. 43 nautical miles east of Ponce Inlet. 28 nautical miles east of Port Canaveral. 22 nautical miles east of Sebastian Inlet. 15 nautical miles east of Fort Pierce Inlet. 9 nautical miles east of Saint Lucie Inlet. $$ AMZ550-190830- Flagler Beach to Volusia-Brevard County Line 0-20 nm- 828 PM EDT Mon May 18 2026 .TONIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 6 seconds. A light chop on the intracoastal waters. A slight chance of thunderstorms this evening. A slight chance of showers. .TUESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 7 seconds. A moderate chop on the intracoastal waters. A slight chance of thunderstorms. A chance of showers in the morning, then a slight chance of showers in the afternoon. .TUESDAY NIGHT...East winds 10 to 15 knots, becoming southeast 5 to 10 knots after midnight. Seas 3 to 4 feet. Wave Detail: East 3 feet at 8 seconds. A light chop on the intracoastal waters. A slight chance of showers after midnight. .WEDNESDAY...East winds 5 to 10 knots. Seas 3 feet. Wave Detail: East 3 feet at 8 seconds. A light chop on the intracoastal waters. A slight chance of showers and thunderstorms in the morning. .WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 feet. Wave Detail: East 3 feet at 9 seconds. Mostly smooth on the intracoastal waters. .THURSDAY...Southeast winds 5 to 10 knots, becoming east 10 to 15 knots in the afternoon. Seas 3 feet. Wave Detail: East 3 feet at 9 seconds. A moderate chop on the intracoastal waters. A slight chance of showers in the morning. .THURSDAY NIGHT...Southeast winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 3 feet. A light chop on the intracoastal waters. .FRIDAY...Southeast winds 5 to 10 knots, becoming east 10 to 15 knots in the afternoon. Seas 3 feet. A moderate chop on the intracoastal waters. .FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A light chop on the intracoastal waters. .SATURDAY...Southeast winds 5 to 10 knots, becoming east 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. .SATURDAY NIGHT...Southeast 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. Winds and waves higher in and near thunderstorms. $$ AMZ552-190830- Volusia-Brevard County Line to Sebastian Inlet 0-20 nm- 828 PM EDT Mon May 18 2026 .TONIGHT...East winds 10 to 15 knots. Seas 4 feet. Wave Detail: East 4 feet at 6 seconds. A light chop on the intracoastal waters. A slight chance of thunderstorms this evening. A slight chance of showers. .TUESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 6 seconds. A moderate chop on the intracoastal waters. A slight chance of showers and thunderstorms. .TUESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 7 seconds. A light chop on the intracoastal waters. .WEDNESDAY...East winds 5 to 10 knots. Seas 3 feet. Wave Detail: East 3 feet at 8 seconds. A light chop on the intracoastal waters. A slight chance of showers in the morning. .WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 feet. Wave Detail: East 3 feet at 9 seconds. Mostly smooth on the intracoastal waters. .THURSDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: East 3 feet at 9 seconds. A moderate chop on the intracoastal waters. A slight chance of showers in the morning. .THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 feet. A light chop on the intracoastal waters. A slight chance of showers after midnight. .FRIDAY...East winds 10 to 15 knots. Seas 3 feet. A moderate chop on the intracoastal waters. A slight chance of showers and thunderstorms in the afternoon. .FRIDAY NIGHT...Southeast 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. .SATURDAY...Southeast winds 10 to 15 knots. Seas 3 feet. A moderate chop on the intracoastal waters. A slight chance of showers and thunderstorms. .SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A light chop on the intracoastal waters. A chance of showers with a slight chance of thunderstorms. Winds and waves higher in and near thunderstorms. $$ AMZ555-190830- Sebastian Inlet to Jupiter Inlet 0-20 nm- 828 PM EDT Mon May 18 2026 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TONIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 6 seconds. Choppy on the intracoastal waters. A slight chance of showers and thunderstorms. .TUESDAY...East winds around 15 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 6 seconds. A moderate chop on the intracoastal waters. A slight chance of showers and thunderstorms. .TUESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 7 seconds. A light chop on the intracoastal waters. A slight chance of showers and thunderstorms. .WEDNESDAY...East winds 10 to 15 knots. Seas 3 feet. Wave Detail: East 3 feet at 7 seconds. A moderate chop on the intracoastal waters. A slight chance of showers and thunderstorms. .WEDNESDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to 3 feet. Wave Detail: East 3 feet at 9 seconds and southeast 2 feet at 4 seconds. A light chop on the intracoastal waters. A slight chance of showers. A slight chance of thunderstorms after midnight. .THURSDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: East 3 feet at 9 seconds and southeast 2 feet at 5 seconds. A moderate chop on the intracoastal waters. A slight chance of showers and thunderstorms. .THURSDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. A light chop on the intracoastal waters. A slight chance of thunderstorms in the evening. A slight chance of showers. .FRIDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. A moderate chop on the intracoastal waters. A chance of showers and thunderstorms in the afternoon. .FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 feet. A light chop on the intracoastal waters. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. .SATURDAY...Southeast winds 10 to 15 knots. Seas 3 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. .SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 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. $$ AMZ570-190830- Flagler Beach to Volusia-Brevard County Line 20-60 nm- 828 PM EDT Mon May 18 2026 .TONIGHT...East winds 10 to 15 knots. Seas 4 feet. Wave Detail: East 4 feet at 7 seconds. A slight chance of thunderstorms this evening. A slight chance of showers. .TUESDAY...East winds 10 to 15 knots. Seas 4 feet. Wave Detail: East 4 feet at 8 seconds. A slight chance of showers and thunderstorms. .TUESDAY NIGHT...East winds 10 to 15 knots, becoming southeast 5 to 10 knots after midnight. Seas 3 to 4 feet. Wave Detail: East 4 feet at 9 seconds. A slight chance of showers. .WEDNESDAY...East winds 5 to 10 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 9 seconds. A slight chance of showers in the morning. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 3 to 4 feet. Wave Detail: East 4 feet at 9 seconds. .THURSDAY...Southeast winds 5 to 10 knots. Seas 3 feet. Wave Detail: East 3 feet at 9 seconds. A slight chance of showers in the morning. .THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A slight chance of showers and thunderstorms after midnight. .FRIDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A slight chance of showers in the morning. .FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 feet. A slight chance of showers and thunderstorms. .SATURDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A slight chance of showers and thunderstorms. .SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 feet. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Winds and seas higher in and near thunderstorms. $$ AMZ572-190830- Volusia-Brevard County Line to Sebastian Inlet 20-60 nm- 828 PM EDT Mon May 18 2026 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TONIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 7 seconds. A chance of showers with a slight chance of thunderstorms this evening, then a slight chance of showers after midnight. .TUESDAY...East winds 10 to 15 knots. Seas 4 feet. Wave Detail: East 4 feet at 7 seconds and northwest 1 foot at 6 seconds. A slight chance of showers and thunderstorms. .TUESDAY NIGHT...East winds 10 to 15 knots. Seas 4 feet. Wave Detail: East 4 feet at 8 seconds. A slight chance of showers. A slight chance of thunderstorms after midnight. .WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 9 seconds. A slight chance of showers and thunderstorms in the morning. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 9 seconds. A slight chance of showers. A slight chance of thunderstorms after midnight. .THURSDAY...East winds 10 to 15 knots. Seas 3 feet. Wave Detail: East 3 feet at 9 seconds. A slight chance of showers and thunderstorms in the morning. .THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A slight chance of showers and thunderstorms. .FRIDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. A slight chance of showers and thunderstorms in the morning. .FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 feet. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. .SATURDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A slight chance of showers and thunderstorms. .SATURDAY NIGHT...Southeast winds around 15 knots. Seas 4 feet. A chance of showers and thunderstorms. Winds and seas higher in and near thunderstorms. $$ AMZ575-190830- Sebastian Inlet to Jupiter Inlet 20-60 nm- 828 PM EDT Mon May 18 2026 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TONIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 6 seconds. A slight chance of showers and thunderstorms. .TUESDAY...East winds 15 to 20 knots. Seas 4 feet. Wave Detail: East 4 feet at 6 seconds. A slight chance of showers and thunderstorms. .TUESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 7 seconds. A slight chance of showers and thunderstorms. .WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 5 seconds and east 3 feet at 8 seconds. A slight chance of showers and thunderstorms. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 4 seconds and east 3 feet at 9 seconds. A slight chance of showers and thunderstorms. .THURSDAY...East winds 10 to 15 knots. Seas 3 feet. Wave Detail: East 3 feet at 9 seconds and south 2 feet at 5 seconds. A slight chance of showers and thunderstorms. .THURSDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. A slight chance of showers and thunderstorms. .FRIDAY...East winds 10 to 15 knots. Seas 3 feet. A slight chance of showers and thunderstorms. .FRIDAY NIGHT...Southeast winds around 15 knots. Seas 3 to 4 feet. A chance of showers with a slight chance of thunderstorms. .SATURDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A slight chance of thunderstorms. A chance of showers in the morning, then a slight chance of showers in the afternoon. .SATURDAY NIGHT...Southeast winds around 15 knots. Seas 3 to 4 feet. A chance of showers and thunderstorms. Winds and seas higher in and near thunderstorms. $$