NWS Marine Forecast


   AMZ400-281415-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  712 PM EDT Sun Sep 27 2026      .SYNOPSIS...    High pressure will shift over the region through Monday with  prevailing west to southwest winds, turning southeasterly in the  afternoon over the nearshore waters. High pressure will shift  east of the waters midweek with southerly winds, turning easterly  in the afternoons over the nearshore waters from seabreeze  circulation. Increasing moisture will bring a return of scattered  showers and isolated thunderstorms over the waters by midweek.      .GULF STREAM...    The approximate location of the west wall of the Gulf Stream as of  Sep 27, 2026 at 0000 UTC...    58 nautical miles east of Flagler Beach.  58 nautical miles east of Saint Augustine Beach.  70 nautical miles east southeast of Jacksonville Beach.  81 nautical miles east southeast of St Simons Island.    This data derived from NCEP Global RTOFS model.      $$
   AMZ450-452-454-281415-  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-  712 PM EDT Sun Sep 27 2026    REST OF TONIGHT  Southeast winds 5 to 10 knots, becoming south  10 to 15 knots this evening, then becoming southwest. Seas 3 to  4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at  12 seconds and southwest 2 feet at 3 seconds. Intracoastal waters  a moderate chop.  MONDAY  Southwest winds 5 to 10 knots, becoming southeast 10 to  15 knots in the afternoon. Seas 2 to 4 feet, occasionally to  5 feet. Wave Detail: South 3 feet at 4 seconds and east 3 feet at  11 seconds. Intracoastal waters a moderate chop.  MONDAY NIGHT  South winds 10 to 15 knots, becoming southwest  after midnight. Seas 2 to 4 feet, occasionally to 5 feet. Wave  Detail: Southeast 3 feet at 4 seconds and east 2 feet at  11 seconds. Intracoastal waters a moderate chop.  TUESDAY  Southwest winds around 5 knots, becoming southeast  10 to 15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail:  Southeast 2 feet at 4 seconds and east 2 feet at 10 seconds.  Intracoastal waters a moderate chop.  TUESDAY NIGHT  Southeast winds 5 to 10 knots. Seas 2 to 3 feet.  Wave Detail: Southeast 2 feet at 4 seconds and east 2 feet at  9 seconds. Intracoastal waters light chop.  WEDNESDAY  East winds 5 to 10 knots. Seas around 2 feet. Wave  Detail: East 2 feet at 3 seconds. Intracoastal waters light chop.  A slight chance of showers and thunderstorms in the afternoon.  WEDNESDAY NIGHT  East winds 5 to 10 knots. Seas around 2 feet.  Intracoastal waters light chop.  THURSDAY  Southeast winds 5 to 10 knots. Seas 2 to 3 feet.  Intracoastal waters light chop. A slight chance of thunderstorms  in the morning. A chance of showers through the day. A chance of  thunderstorms in the afternoon, then a slight chance of showers  in the evening. A slight chance of thunderstorms through the  night. A chance of showers after midnight.  FRIDAY  Southeast winds 5 to 10 knots. Seas 2 to 3 feet.  Intracoastal waters light chop. A chance of showers with a slight  chance of thunderstorms, then a slight chance of showers after  midnight.    Winds and waves higher in and near thunderstorms.    $$