NWS Marine Forecast


   AMZ500-211315-  Synopsis for Flagler Beach to Jupiter Inlet out to 60 nm  823 PM EDT Sun Sep 20 2026      .SYNOPSIS...Weak onshore flow will continue the next few days,  with scattered to numerous showers and storms. The highest  coverage is generally forecast during the overnight and morning  hours. Later in the week, a frontal passage will increase north-  northeast winds and build seas, creating hazardous conditions,  especially in the Gulf Stream.    .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 20th, 2026.    42 nautical miles east of Ponce Inlet.  28 nautical miles east of Port Canaveral.  24 nautical miles east of Sebastian Inlet.  16 nautical miles east of Fort Pierce Inlet.  11 nautical miles east of Saint Lucie Inlet.    $$
   AMZ550-211315-  Flagler Beach to Volusia-Brevard County Line 0-20 nm-  823 PM EDT Sun Sep 20 2026    REST OF TONIGHT  East winds around 5 knots, becoming north  early this morning. Seas 2 feet. Wave Detail: East 2 feet at  8 seconds and southeast 1 foot at 4 seconds. Smooth on the  intracoastal waters. A slight chance of showers and  thunderstorms.  MONDAY  North winds around 5 knots, becoming northeast in the  afternoon. Seas 2 feet. Wave Detail: Northeast 2 feet at  8 seconds and southeast 1 foot at 4 seconds. A light 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.  MONDAY NIGHT  East winds around 5 knots, becoming southwest  after midnight. Seas 2 feet. Wave Detail: Northeast 2 feet at  8 seconds and southeast 1 foot at 4 seconds. Smooth on the  intracoastal waters. A slight chance of thunderstorms. A slight  chance of showers in the evening, then a chance of showers after  midnight.  TUESDAY  North winds around 5 knots, becoming east in the  afternoon. Seas 2 feet. Wave Detail: East 2 feet at 8 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.  TUESDAY NIGHT  Southeast winds around 5 knots, becoming  southwest after midnight. Seas 2 feet. Wave Detail: East 2 feet  at 8 seconds. Smooth on the intracoastal waters. A slight chance  of showers and thunderstorms.  WEDNESDAY  North winds 5 to 10 knots, becoming northeast in the  afternoon. Seas 2 feet. Wave Detail: East 2 feet at 8 seconds and  southeast 1 foot at 4 seconds. A light chop on the intracoastal  waters. A chance of showers with a slight chance of thunderstorms  in the morning, then showers likely with a chance of  thunderstorms in the afternoon.  WEDNESDAY NIGHT  Northeast winds 5 to 10 knots. Seas 2 feet.  Mostly smooth on the intracoastal waters. A chance of showers. A  chance of thunderstorms in the evening, then a slight chance of  thunderstorms after midnight.  THURSDAY  North winds 15 to 20 knots, becoming northeast 20 to  25 knots in the afternoon. Seas 3 to 4 feet, building to 4 to  6 feet, occasionally to 8 feet in the afternoon. Rough on the  intracoastal waters. A chance of showers with a slight chance of  thunderstorms in the morning, then showers likely with a chance  of thunderstorms in the afternoon.  THURSDAY NIGHT  North winds 20 to 25 knots. Seas 5 to 7 feet,  occasionally to 9 feet. Rough on the intracoastal waters. A  chance of showers. A chance of thunderstorms in the evening, then  a slight chance of thunderstorms after midnight.  FRIDAY  North winds 20 to 25 knots. Seas 7 to 8 feet,  occasionally to 10 feet. Rough on the intracoastal waters. A  chance of showers. A slight chance of thunderstorms in the  afternoon.  FRIDAY NIGHT  Northeast winds 20 to 25 knots, diminishing to  around 15 knots after midnight. Seas 6 to 8 feet, occasionally to  10 feet. Rough on the intracoastal waters. A chance of showers in  the evening, then a slight chance of showers after midnight.    Winds and waves higher in and near thunderstorms.    $$