NWS Marine Forecast


   AMZ500-140800-  Synopsis for Flagler Beach to Jupiter Inlet out to 60 nm  916 PM EDT Sun Sep 13 2026      .SYNOPSIS...Weak high pressure near the local waters begins to  lift northward on Monday, before strengthening as it pushes well  north of Florida by the middle of the week. Onshore flow will  increase from late Tuesday and especially into Wednesday, becoming  fresh to locally strong. Worsening boating conditions are  expected, with Small Craft Advisories likely to be needed for the  middle of the week.    .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 Sunday, September 13th, 2026.    44 nautical miles east of Ponce Inlet.  30 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.    $$
   AMZ552-140800-  Volusia-Brevard County Line to Sebastian Inlet 0-20 nm-  916 PM EDT Sun Sep 13 2026    REST OF TONIGHT  Southwest winds around 5 knots, becoming west.  Seas 2 feet. Wave Detail: East 2 feet at 9 seconds and southeast  1 foot at 3 seconds. Smooth on the intracoastal waters.  MONDAY  Northwest winds around 5 knots, becoming East 5 to 10  knots 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.  MONDAY NIGHT  East winds around 5 knots, becoming northeast  after midnight. Seas 2 feet. Wave Detail: East 2 feet at  9 seconds and southeast 1 foot at 3 seconds. Smooth on the  intracoastal waters. A chance of showers with a slight chance of  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: East  2 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. Seas 3 to  5 feet, occasionally to 6 feet, building to 5 to 6 feet,  occasionally to 8 feet after midnight. Wave Detail: Northeast  4 feet at 5 seconds and east 4 feet at 9 seconds, becoming  northeast 6 feet at 8 seconds after midnight. Choppy on the  intracoastal waters. Showers likely. A chance of thunderstorms in  the evening, then a slight chance of thunderstorms after  midnight.  WEDNESDAY  Northeast winds 15 to 20 knots, increasing to 20 to  25 knots in the afternoon. Seas 5 to 7 feet, occasionally to  9 feet. Wave Detail: Northeast 7 feet at 8 seconds. Rough on the  intracoastal waters. A chance of showers with a slight chance of  thunderstorms.  WEDNESDAY NIGHT  Northeast winds 20 to 25 knots. Seas 6 to  8 feet, occasionally to 10 feet. Rough on the intracoastal  waters. A chance of showers and thunderstorms in the evening,  then showers likely with a slight chance of thunderstorms after  midnight.  THURSDAY  Northeast winds 15 to 20 knots. Seas 4 to 6 feet,  occasionally to 8 feet. Choppy on the intracoastal waters.  Showers likely. A slight chance of thunderstorms in the morning,  then a chance of thunderstorms in the afternoon.  THURSDAY NIGHT  East winds 10 to 15 knots, diminishing to 5 to  10 knots after midnight. Seas 3 to 4 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.  FRIDAY  East winds 5 to 10 knots. Seas 3 feet. A light chop on  the intracoastal waters. A chance of thunderstorms. Showers  likely in the morning, then a chance of showers in the afternoon.  FRIDAY NIGHT  East winds 5 to 10 knots. Seas 2 to 3 feet.  Mostly smooth on the intracoastal waters. A chance of showers and  thunderstorms.    Winds and waves higher in and near thunderstorms.    $$