NWS Marine Forecast



 Hazardous marine condition(s):
 Small Craft Advisory
   AMZ400-240900-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  224 PM EDT Mon Mar 23 2026      .SYNOPSIS...    A cold front will move south across the area tonight. This front  will bring embedded thunderstorms mainly tonight into Tuesday. A  surge of northeast winds will develop in the wake of the front with  Gale conditions developing over the Georgia waters and Florida  Waters southward to Jacksonville and Small Craft Advisory criteria  expected elsewhere. Moderate to strong east to northeast winds and  rough seas are expected to continue from Tuesday through Wednesday  night. High pressure ridge will be over the area on Thursday and  Friday before another cold front moves into the area Friday night.      .GULF STREAM...    The approximate location of the west wall of the Gulf Stream as of  Mar 23, 2026 at 0000 UTC...    50 nautical miles east of Flagler Beach.  58 nautical miles east of Saint Augustine Beach.  70 nautical miles east southeast of Jacksonville Beach.  66 nautical miles east southeast of St Simons Island.    This data derived from NCEP Global RTOFS model.      $$
   AMZ454-474-240900-  Coastal waters from St. Augustine to Flagler Beach FL out 20 NM-  Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM-  225 PM EDT Mon Mar 23 2026    SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH  WEDNESDAY EVENING    REST OF TODAY  Southwest winds 10 to 15 knots. Seas 3 to  4 feet, occasionally to 5 feet. Wave Detail: Southwest 3 feet at  4 seconds and east 2 feet at 9 seconds. Intracoastal waters a  moderate chop.  TONIGHT  Southwest winds 15 to 20 knots, becoming northwest  after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Wave  Detail: Southwest 4 feet at 4 seconds and east 2 feet at  9 seconds. Intracoastal waters choppy. A slight chance of showers  after midnight.  TUESDAY  Northeast winds 20 to 25 knots. Seas 4 to 6 feet,  occasionally to 8 feet, building to 6 to 9 feet, occasionally to  11 feet in the afternoon. Wave Detail: Northeast 6 feet at  9 seconds and west 3 feet at 4 seconds, becoming northeast 9 feet  at 8 seconds. Intracoastal waters rough. A chance of  thunderstorms. A chance of showers in the morning, then showers  in the afternoon.  TUESDAY NIGHT  East winds 20 to 25 knots. Seas 8 to 11 feet,  occasionally to 14 feet. Wave Detail: Northeast 10 feet at  9 seconds. Intracoastal waters rough. A chance of thunderstorms.  Showers.  WEDNESDAY  Northeast winds 15 to 20 knots. Seas 7 to 9 feet,  occasionally to 11 feet, subsiding to 6 to 7 feet, occasionally  to 9 feet in the afternoon. Wave Detail: Northeast 9 feet at  9 seconds, becoming northeast 7 feet at 8 seconds. Intracoastal  waters choppy. Showers likely, mainly in the morning.  WEDNESDAY NIGHT  Northeast winds 10 to 15 knots, diminishing to  5 to 10 knots after midnight. Seas 4 to 6 feet, occasionally to  8 feet. Wave Detail: East 6 feet at 8 seconds. Intracoastal  waters a moderate chop. A chance of showers, mainly in the  evening.  THURSDAY  Northeast winds 5 to 10 knots, becoming southeast.  Seas 3 to 4 feet, occasionally to 5 feet. Intracoastal waters  light chop. A slight chance of showers in the morning.  FRIDAY  North winds 5 to 10 knots, becoming south 10 to  15 knots. Seas 2 to 3 feet. Intracoastal waters a moderate chop.    Winds and waves higher in and near thunderstorms.    $$