NWS Marine Forecast


   AMZ500-131415-  Synopsis for Flagler Beach to Jupiter Inlet out to 60 nm  940 PM EDT Sat Sep 12 2026      .SYNOPSIS...Weak high pressure over the Atlantic extending to  Florida will maintain generally favorable boating conditions  through early next week. Scattered showers and storms are forecast  each day, capable of gusty winds and frequent lightning. A  surface high is forecast to expand over the eastern U.S. into the  middle of next week, leading to increasing winds and seas across  the local Atlantic.    .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 Saturday, September 12th, 2026.    45 nautical miles east of Ponce Inlet.  32 nautical miles east of Port Canaveral.  24 nautical miles east of Sebastian Inlet.  15 nautical miles east of Fort Pierce Inlet.  9 nautical miles east of Saint Lucie Inlet.    $$
   AMZ552-131415-  Volusia-Brevard County Line to Sebastian Inlet 0-20 nm-  940 PM EDT Sat Sep 12 2026    REST OF TONIGHT  South winds 5 to 10 knots, becoming southwest  early this morning. Seas 2 feet. Wave Detail: Southeast 2 feet at  4 seconds and east 2 feet at 9 seconds. Mostly smooth on the  intracoastal waters.  SUNDAY  West winds around 5 knots, becoming east in the  afternoon. Seas 2 feet. Wave Detail: East 2 feet at 9 seconds and  southeast 1 foot at 3 seconds. Smooth on the intracoastal waters.  A slight chance of showers and thunderstorms in the afternoon.  SUNDAY NIGHT  South winds around 5 knots, becoming west after  midnight. Seas 2 feet. Wave Detail: East 2 feet at 9 seconds and  southeast 1 foot at 3 seconds. Mostly smooth on the intracoastal  waters.  MONDAY  Northwest winds around 5 knots, becoming northeast in  the afternoon. Seas 2 feet. Wave Detail: East 2 feet at 9 seconds  and southeast 1 foot at 4 seconds. A light chop on the  intracoastal waters. A slight chance of showers and thunderstorms  in the afternoon.  MONDAY NIGHT  East winds around 5 knots. Seas 2 feet. Wave  Detail: East 2 feet at 9 seconds and southeast 1 foot at  4 seconds. Smooth on the intracoastal waters. A slight chance of  showers and thunderstorms after midnight.  TUESDAY  Northeast winds 5 to 10 knots, increasing to 10 to  15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail:  Northeast 3 feet at 4 seconds and east 2 feet at 9 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.  TUESDAY NIGHT  Northeast winds 15 to 20 knots, increasing to  20 to 25 knots after midnight. Seas 3 to 4 feet, building to 4 to  6 feet, occasionally to 8 feet after midnight. Rough on the  intracoastal waters. Showers likely with a chance of  thunderstorms.  WEDNESDAY  Northeast winds 20 to 25 knots. Seas 5 to 7 feet,  occasionally to 9 feet. Rough on the intracoastal waters. Showers  likely with a chance of thunderstorms.  WEDNESDAY NIGHT  Northeast winds 20 to 25 knots, becoming east  15 to 20 knots after midnight. Seas 6 to 7 feet, occasionally to  9 feet, subsiding to 4 to 6 feet, occasionally to 8 feet after  midnight. Rough on the intracoastal waters. Showers likely with a  chance of thunderstorms.  THURSDAY  East winds 10 to 15 knots. Seas 3 to 4 feet. A  moderate chop on the intracoastal waters. Showers likely with a  chance of thunderstorms.  THURSDAY 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.    $$