NWS Marine Forecast


   AMZ500-220715-  Synopsis for Flagler Beach to Jupiter Inlet out to 60 nm  239 PM EDT Tue Jul 21 2026      .SYNOPSIS...Tropical Storm Bertha will move gradually westward  along to just south of the northern Gulf Coast, as high pressure  over the Atlantic expands across the waters. Breezy southerly winds  persist at times through tonight and small craft should exercise  caution across the Volusia County waters. Winds then slacken  through mid to late week. Drier air will keep mostly dry  conditions across the waters through Thursday, with an increase in  showers and storms late this week and into the weekend.    .GULF STREAM HAZARDS...South winds 15 to 20 knots, north of the  Cape.    The approximate location of the west wall of the Gulf Stream based on  the Real Time Ocean Forecast System as of Tuesday, July 21st, 2026.    35 nautical miles east of Ponce Inlet.  26 nautical miles east of Port Canaveral.  21 nautical miles east of Sebastian Inlet.  13 nautical miles east of Fort Pierce Inlet.  8 nautical miles east of Saint Lucie Inlet.    $$
   AMZ555-220715-  Sebastian Inlet to Jupiter Inlet 0-20 nm-  239 PM EDT Tue Jul 21 2026    TONIGHT  Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave  Detail: East 2 feet at 5 seconds. A light chop on the  intracoastal waters. A slight chance of showers after midnight.  WEDNESDAY  South winds 5 to 10 knots, becoming southeast 10 to  15 knots in the afternoon. Seas 1 to 2 feet. Wave Detail: East  2 feet at 5 seconds. A moderate chop on the intracoastal waters.  A slight chance of showers and thunderstorms.  WEDNESDAY NIGHT  Southeast winds 5 to 10 knots. Seas 1 to  2 feet. Wave Detail: East 2 feet at 5 seconds. Mostly smooth on  the intracoastal waters. A slight chance of showers and  thunderstorms after midnight.  THURSDAY  East winds 5 to 10 knots. Seas 1 to 2 feet. Wave  Detail: East 2 feet at 5 seconds. A light chop on the  intracoastal waters. A slight chance of showers and  thunderstorms.  THURSDAY NIGHT  East winds 5 to 10 knots. Seas 2 feet. Wave  Detail: East 2 feet at 4 seconds. Mostly smooth on the  intracoastal waters. A slight chance of showers and thunderstorms  after midnight.  FRIDAY  East winds 5 to 10 knots. Seas 2 to 3 feet. Wave  Detail: East 2 feet at 9 seconds. A light chop on the  intracoastal waters. A chance of showers and thunderstorms in the  morning, then a slight chance of showers and thunderstorms in the  afternoon.  FRIDAY NIGHT  Southeast winds 5 to 10 knots, becoming south  after midnight. Seas 2 to 3 feet. Mostly smooth on the  intracoastal waters.  SATURDAY  Southeast winds 5 to 10 knots. Seas 2 to 3 feet. A  light chop on the intracoastal waters. A chance of showers and  thunderstorms in the afternoon.  SATURDAY NIGHT  South winds 5 to 10 knots, becoming southwest  after midnight. Seas 2 to 3 feet. Mostly smooth on the  intracoastal waters. A slight chance of showers and thunderstorms  in the evening.  SUNDAY  Southwest winds 5 to 10 knots, becoming southeast in  the afternoon. Seas 2 feet. 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 around 10 knots, becoming west after  midnight. Seas 2 to 3 feet. Mostly smooth on the intracoastal  waters. A slight chance of showers and thunderstorms.    Winds and waves higher in and near thunderstorms.    $$