NWS Marine Forecast


   AMZ400-251500-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  747 PM EDT Sun May 24 2026      .SYNOPSIS...    Showers and storms will move into the coastal waters later this  evening and continuing into Monday morning. Influence of Bermuda  high pressure will continue a south to southeasterly winds over the  waters through the upcoming week. Isolated to scattered showers and  offshore thunderstorms expected on Memorial Day and Tuesday. Daily  afternoon and evening surges are expected with winds increasing to  exercise caution levels through midweek. Atlantic high pressure will  then shift southward around Thursday this week,increasing chances  for showers and thunderstorms across our area as prevailing winds  become southerly.      .GULF STREAM...    The approximate location of the west wall of the Gulf Stream as of  May 24, 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.  76 nautical miles east southeast of St Simons Island.    This data derived from NCEP Global RTOFS model.      $$
   AMZ450-452-454-251500-  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-  747 PM EDT Sun May 24 2026    SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH TUESDAY  MORNING    REST OF TONIGHT  Southeast winds 15 to 20 knots, diminishing to  10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave  Detail: Southeast 4 feet at 8 seconds. Intracoastal waters  choppy. A slight chance of showers and thunderstorms this  evening. A chance of showers and thunderstorms.  MONDAY  Southeast winds 15 to 20 knots. Seas 3 to 5 feet,  occasionally to 6 feet. Wave Detail: Southeast 4 feet at  8 seconds. Intracoastal waters choppy. A chance of showers with a  slight chance of thunderstorms in the morning.  MONDAY NIGHT  South winds 15 to 20 knots. Seas 4 to 5 feet,  occasionally to 6 feet. Wave Detail: Southeast 4 feet at  6 seconds and east 4 feet at 9 seconds. Intracoastal waters  choppy. A slight chance of showers in the evening.  TUESDAY  South winds 10 to 15 knots, becoming southeast 15 to  20 knots in the afternoon. Seas 3 to 4 feet, occasionally to  5 feet. Wave Detail: Southeast 4 feet at 7 seconds. Intracoastal  waters choppy. A slight chance of showers and thunderstorms in  the afternoon.  TUESDAY NIGHT  South winds 15 to 20 knots. Seas 4 to 5 feet,  occasionally to 6 feet. Wave Detail: Southeast 4 feet at  8 seconds and southeast 3 feet at 5 seconds. Intracoastal waters  choppy. A slight chance of thunderstorms. A chance of showers,  mainly in the evening.  WEDNESDAY AND WEDNESDAY NIGHT  Southwest winds 10 to 15 knots.  Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast  4 feet at 8 seconds. Intracoastal waters a moderate chop. A  chance of showers and thunderstorms.  THURSDAY THROUGH FRIDAY  South winds 5 to 10 knots. Seas 2 to  3 feet. Intracoastal waters light chop. A chance of showers and  thunderstorms.    Winds and waves higher in and near thunderstorms.    $$