NWS Marine Forecast


   AMZ400-072100-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  226 AM EDT Mon Sep 7 2026      .SYNOPSIS...    A front stalls across north Florida today then shifts south of the  waters tonight into Tuesday as high pressure strengthens to the  northeast. A brief period of Small Craft Exercise Caution conditions  is possible mainly over the Georgia waters Tuesday as a coastal  trough develops offshore, then elevated combined seas may bring  Small Craft Exercise Caution conditions to the outer waters on  Wednesday as the coastal trough begins weaken. High pressure builds  east of the local waters Thursday then extends across the Florida  peninsula Friday into the weekend with a return of westerly winds  and the afternoon east coast sea breeze.      .GULF STREAM...    The approximate location of the west wall of the Gulf Stream as of  Sep 06, 2026 at 0000 UTC...    46 nautical miles east of Flagler Beach.  53 nautical miles east of Saint Augustine Beach.  64 nautical miles east southeast of Jacksonville Beach.  80 nautical miles east southeast of St Simons Island.    This data derived from NCEP Global RTOFS model.      $$
   AMZ452-454-072100-  Coastal waters from Fernandina Beach to St. Augustine FL out  20 NM-  Coastal waters from St. Augustine to Flagler Beach FL out 20 NM-  226 AM EDT Mon Sep 7 2026    REST OF TONIGHT  Northwest winds around 5 knots. Seas around  2 feet. Intracoastal waters smooth. A chance of showers with a  slight chance of thunderstorms.  MONDAY  North winds around 5 knots, becoming east in the  afternoon. Waves 1 foot or less, then around 2 feet in the  afternoon. Wave Detail: Northeast 2 feet at 8 seconds.  Intracoastal waters light chop. A chance of thunderstorms.  Showers likely, mainly in the morning.  MONDAY NIGHT  East winds 5 to 10 knots, becoming northeast  10 to 15 knots after midnight. Seas 2 to 3 feet. Wave Detail:  Northeast 2 feet at 7 seconds. Intracoastal waters a moderate  chop. A chance of showers. A chance of thunderstorms, mainly in  the evening.  TUESDAY  East winds 5 to 10 knots. Seas 2 to 3 feet. Wave  Detail: Northeast 3 feet at 6 seconds. Intracoastal waters light  chop. A chance of showers. A slight chance of thunderstorms in  the morning, then a chance of thunderstorms in the afternoon.  TUESDAY NIGHT AND WEDNESDAY  East winds 10 to 15 knots. Seas  3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast  5 feet at 9 seconds. Intracoastal waters a moderate chop. A  chance of showers and thunderstorms.  WEDNESDAY NIGHT  Southeast winds 5 to 10 knots. Seas 3 to  5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at  8 seconds. Intracoastal waters light chop. A slight chance of  showers and thunderstorms in the evening.  THURSDAY  South winds 5 to 10 knots, becoming southwest. Seas  2 to 4 feet, occasionally to 5 feet. Intracoastal waters light  chop. A chance of showers in the morning. A chance of  thunderstorms through the day. Showers likely in the afternoon,  then a slight chance of showers and thunderstorms in the evening.  FRIDAY  South winds 5 to 10 knots. Seas 2 to 3 feet.  Intracoastal waters light chop. A slight chance of showers and  thunderstorms in the morning, then a chance of showers and  thunderstorms in the afternoon. A slight chance of showers and  thunderstorms in the evening.    Winds and waves higher in and near thunderstorms.    $$