NWS Marine Forecast


   AMZ400-222100-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  225 AM EDT Sun Mar 22 2026      .SYNOPSIS...    High pressure ridging will prevail through tonight. A cold front  will move south southeast across the area waters Monday night. A  surge of northeast to east winds develop in the wake of the cold  front late Monday night into Tuesday with small craft advisories  likely and there will be potential for gale force gusts. The  boundary is expected to stall over central Florida Tuesday night  and Wednesday. High pressure will build for Thursday and Friday.      .GULF STREAM...    The approximate location of the west wall of the Gulf Stream as of  Mar 21, 2026 at 0000 UTC...    54 nautical miles east of Flagler Beach.  49 nautical miles east of Saint Augustine Beach.  60 nautical miles east southeast of Jacksonville Beach.  68 nautical miles east southeast of St Simons Island.    This data derived from NCEP Global RTOFS model.      $$
   AMZ450-452-454-222100-  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-  225 AM EDT Sun Mar 22 2026    REST OF TONIGHT  West winds 10 to 15 knots. Seas 3 to 4 feet,  occasionally to 5 feet. Wave Detail: East 4 feet at 10 seconds  and southwest 2 feet at 3 seconds. Intracoastal waters a moderate  chop.  SUNDAY  West winds 10 to 15 knots, becoming south in the  afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail:  East 4 feet at 10 seconds and west 2 feet at 3 seconds.  Intracoastal waters a moderate chop.  SUNDAY NIGHT  Southwest winds 10 to 15 knots. Seas 3 to 4 feet,  occasionally to 5 feet. Wave Detail: South 3 feet at 4 seconds  and east 3 feet at 9 seconds. Intracoastal waters a moderate  chop.  MONDAY  Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave  Detail: Southwest 3 feet at 4 seconds and east 2 feet at  9 seconds. Intracoastal waters a moderate chop.  MONDAY NIGHT  West winds 10 to 15 knots, becoming northwest  20 to 25 knots after midnight. Seas 2 to 4 feet, occasionally to  5 feet. Wave Detail: East 3 feet at 9 seconds and southwest  2 feet at 3 seconds. Intracoastal waters rough. A chance of  showers, mainly in the evening.  TUESDAY  Northeast winds 20 to 25 knots. Seas 3 to 5 feet,  occasionally to 6 feet, building to 5 to 7 feet, occasionally to  9 feet in the afternoon. Wave Detail: North 5 feet at 5 seconds,  becoming northeast 7 feet at 6 seconds. Intracoastal waters  rough. A chance of showers with a slight chance of thunderstorms.  TUESDAY NIGHT  Northeast winds 20 to 25 knots, diminishing to  10 to 15 knots after midnight. Seas 5 to 8 feet, occasionally to  10 feet. Intracoastal waters rough. A slight chance of  thunderstorms in the evening. A chance of showers.  WEDNESDAY  Northeast winds 10 to 15 knots, diminishing to 5 to  10 knots. Seas 5 to 7 feet, occasionally to 9 feet, subsiding to  3 to 5 feet, occasionally to 6 feet. Intracoastal waters a  moderate chop. A chance of showers in the morning, then a slight  chance of showers and thunderstorms in the afternoon.  THURSDAY  Northeast winds 5 to 10 knots, becoming south. Seas  2 to 4 feet, occasionally to 5 feet. Intracoastal waters light  chop.    Winds and waves higher in and near thunderstorms.    $$