NWS Marine Forecast


   AMZ500-211415-  Synopsis for Flagler Beach to Jupiter Inlet out to 60 nm  929 PM EDT Thu Aug 20 2026      .SYNOPSIS...Generally favorable boating conditions prevail outside  of offshore moving showers and storms. Westerly to southwesterly  flow will continue between a front stalled across the Southeast US  and high pressure over the Atlantic through the weekend. Winds  shift south to southeast in the afternoons and evenings as the sea  breeze develops. Stronger storms will be capable of wind gusts to 34  kts or greater, frequent cloud to water lightning, heavy  rainfall, and locally higher seas.    .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 Thursday, August 20th, 2026.    46 nautical miles east of Ponce Inlet.  31 nautical miles east of Port Canaveral.  24 nautical miles east of Sebastian Inlet.  16 nautical miles east of Fort Pierce Inlet.  9 nautical miles east of Saint Lucie Inlet.    $$
   AMZ552-211415-  Volusia-Brevard County Line to Sebastian Inlet 0-20 nm-  929 PM EDT Thu Aug 20 2026    TONIGHT  South winds 5 to 10 knots, becoming southwest late.  Seas 1 to 2 feet. Wave Detail: Southeast 1 foot at 3 seconds and  east 1 foot at 9 seconds. Mostly smooth on the intracoastal  waters.  FRIDAY  South winds around 5 knots, becoming southeast 10 to  15 knots in the afternoon. Seas 1 to 2 feet. Wave Detail:  Southeast 2 feet at 3 seconds and east 1 foot at 9 seconds. A  moderate chop on the intracoastal waters. A chance of showers and  thunderstorms in the afternoon.  FRIDAY NIGHT  South winds around 10 knots, becoming southwest  after midnight. Seas 2 feet. Wave Detail: Southeast 2 feet at  4 seconds and east 1 foot at 9 seconds. Mostly smooth on the  intracoastal waters. A chance of showers and thunderstorms in the  evening.  SATURDAY  Southwest winds 5 to 10 knots, becoming south 10 to  15 knots in the afternoon. Seas 2 feet. Wave Detail: Southeast  2 feet at 4 seconds and east 1 foot at 9 seconds. A moderate chop  on the intracoastal waters. A chance of showers and thunderstorms  in the afternoon.  SATURDAY NIGHT  South winds 10 to 15 knots, becoming southwest  5 to 10 knots after midnight. Seas 2 feet. Wave Detail: Southeast  2 feet at 4 seconds and east 1 foot at 9 seconds. A light chop on  the intracoastal waters. A chance of showers and thunderstorms in  the evening.  SUNDAY  Southwest winds 5 to 10 knots, becoming southeast in  the afternoon. Seas 2 feet. Wave Detail: Southeast 2 feet at  4 seconds and east 2 feet at 9 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  South 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 in the  evening.  MONDAY  South winds around 5 knots, becoming southeast in the  afternoon. Seas 1 to 2 feet. A light chop on the intracoastal  waters. A slight chance of showers and thunderstorms in the  afternoon.  MONDAY NIGHT  South winds 5 to 10 knots. Seas 1 to 2 feet.  Mostly smooth on the intracoastal waters. A slight chance of  showers and thunderstorms in the evening.  TUESDAY  South winds around 5 knots, becoming southeast in the  afternoon. Seas 1 to 2 feet. A light chop on the intracoastal  waters. A slight chance of showers and thunderstorms.  TUESDAY NIGHT  South winds 5 to 10 knots. Seas 1 foot. Mostly  smooth on the intracoastal waters. A slight chance of showers and  thunderstorms.    Winds and waves higher in and near thunderstorms.    $$