NWS Marine Forecast


   AMZ500-210715-  Synopsis for Flagler Beach to Jupiter Inlet out to 60 nm  220 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 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.    $$
   AMZ552-210715-  Volusia-Brevard County Line to Sebastian Inlet 0-20 nm-  220 PM EDT Sun Sep 20 2026    TONIGHT  East winds around 5 knots, becoming southwest late.  Seas 2 feet. Wave Detail: Northeast 2 feet at 8 seconds and  southeast 1 foot at 4 seconds. Smooth on the intracoastal waters.  A 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 3 seconds. A light chop on the  intracoastal waters. A chance of showers and thunderstorms.  MONDAY NIGHT  Southeast 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 chance of showers and thunderstorms.  TUESDAY  Northwest winds around 5 knots, becoming east in the  afternoon. 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 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: Northeast  2 feet at 8 seconds and southeast 1 foot at 4 seconds. Smooth on  the intracoastal waters. A chance of showers. A chance of  thunderstorms in the evening, then a slight chance of  thunderstorms after midnight.  WEDNESDAY  Northwest 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. Smooth on the  intracoastal waters. A chance of thunderstorms. A chance of  showers in the morning, then showers likely in the afternoon.  WEDNESDAY NIGHT  East winds around 5 knots, becoming northeast  after midnight. 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 5 to 10 knots, increasing to 10 to  15 knots in the afternoon. Seas 2 feet, building to 3 to 4 feet  in the afternoon. A moderate 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.  THURSDAY NIGHT  Northeast winds 10 to 15 knots, becoming north  15 to 20 knots after midnight. Seas 4 to 6 feet, occasionally to  8 feet. Choppy 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 15 to 20 knots. Seas 5 to 7 feet,  occasionally to 9 feet. Choppy on the intracoastal waters. A  chance of showers. A slight chance of thunderstorms in the  morning, then a chance of thunderstorms in the afternoon.  FRIDAY NIGHT  Northeast winds 15 to 20 knots, becoming north  10 to 15 knots after midnight. Seas 5 to 7 feet, occasionally to  9 feet. Choppy on the intracoastal waters. A slight chance of  thunderstorms. A chance of showers in the evening, then a slight  chance of showers after midnight.    Winds and waves higher in and near thunderstorms.    $$