NWS Marine Forecast


   AMZ400-021915-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  1212 AM EDT Wed Sep 2 2026      .SYNOPSIS...    Onshore flow and troughing over the waters will keep the potential  for waves of showers and isolated thunderstorms in the forecast  through Friday. Winds transition and shift westerly by Saturday  Night into Sunday as a frontal boundary enters the southeast states.  Several rounds of showers and thunderstorms are possible during the  upcoming weekend and into early next week as the frontal boundary  stalls over the local waters.      .GULF STREAM...    The approximate location of the west wall of the Gulf Stream as of  Sep 01, 2026 at 0000 UTC...    46 nautical miles east of Flagler Beach.  49 nautical miles east of Saint Augustine Beach.  60 nautical miles east southeast of Jacksonville Beach.  71 nautical miles east southeast of St Simons Island.    This data derived from NCEP Global RTOFS model.      $$
   AMZ450-452-454-021915-  Coastal waters from Altamaha Sound to Fernandina Beach FL out  20 NM-  Coastal waters from Fernandina Beach to St. Augustine FL out  20 NM-  Coastal waters from St. Augustine to Flagler Beach FL out 20 NM-  1212 AM EDT Wed Sep 2 2026    REST OF TONIGHT  Northeast winds around 10 knots. Seas 2 to  3 feet. Wave Detail: East 3 feet at 8 seconds and northeast  2 feet at 4 seconds. Intracoastal waters light chop. A slight  chance of showers late this evening, then a chance of showers and  thunderstorms.  WEDNESDAY  East winds 10 to 15 knots. Seas 3 to 4 feet,  occasionally to 5 feet. Wave Detail: East 3 feet at 12 seconds  and northeast 2 feet at 4 seconds. Intracoastal waters a moderate  chop. A chance of showers and thunderstorms.  WEDNESDAY NIGHT  East winds 10 to 15 knots. Seas 3 to 4 feet,  occasionally to 5 feet. Wave Detail: East 3 feet at 11 seconds  and northeast 2 feet at 5 seconds. Intracoastal waters a moderate  chop. A chance of showers with a slight chance of thunderstorms.  THURSDAY  Southeast winds 5 to 10 knots. Seas around 3 feet.  Wave Detail: East 3 feet at 10 seconds. Intracoastal waters light  chop. A slight chance of thunderstorms. A chance of showers,  mainly in the morning.  THURSDAY NIGHT  Southeast winds 5 to 10 knots. Seas around  3 feet. Wave Detail: East 3 feet at 9 seconds. Intracoastal  waters light chop. A slight chance of showers.  FRIDAY  Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave  Detail: East 3 feet at 8 seconds. Intracoastal waters light chop.  A chance of showers. A slight chance of thunderstorms in the  morning, then a chance of thunderstorms in the afternoon.  FRIDAY NIGHT  South winds 5 to 10 knots. Seas 2 to 3 feet.  Intracoastal waters light chop.  SATURDAY THROUGH SUNDAY  Southeast winds 5 to 10 knots. Seas  around 2 feet. Intracoastal waters light chop. A chance of  showers and thunderstorms.    Winds and waves higher in and near thunderstorms.    $$