NWS Marine Forecast


   AMZ400-040445-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  835 AM EST Wed Dec 3 2025      .SYNOPSIS...    High pressure will build over the southeastern states this  afternoon in the wake of a cold front that will stall across south  Florida tonight. Low pressure will then organize along the  northern Gulf coast on Thursday night, with a warm front lifting  northward across our local waters on Friday, accompanied by an  increasing coverage of showers. Weak low pressure will then move  northeastward across southeastern Georgia on Friday evening, with  this storm system's cold front then crossing our local waters on  Friday night and Saturday morning. A wave of low pressure will  then develop along this front just south of the northeast Florida  waters on Saturday night, keeping showers and a few embedded  thunderstorms over our local waters through Sunday. Low pressure  will then strengthen as it moves offshore on Sunday night and  Monday, resulting in strengthening north northwesterly winds as  rainfall ends.      .GULF STREAM...    The approximate location of the west wall of the Gulf Stream as of  Dec 02, 2025 at 1200 UTC...    37 nautical miles east northeast of Flagler Beach.  38 nautical miles east northeast of Saint Augustine Beach.  41 nautical miles east of Jacksonville Beach.  58 nautical miles east southeast of St Simons Island.    This data courtesy of the Naval Oceanographic Office.      $$
   AMZ470-472-474-040445-  Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to  60 NM-  Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM-  Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM-  835 AM EST Wed Dec 3 2025    REST OF TODAY  Northwest winds 10 to 15 knots, becoming north  and diminishing to 5 to 10 knots this afternoon. Seas 3 to 4  feet, occasionally to 5 feet. Wave Detail: North 3 feet at 5  seconds and east 3 feet at 8 seconds.  TONIGHT  North winds around 10 knots. Seas 2 to 3 feet. Wave  Detail: East 3 feet at 8 seconds and north 2 feet at 4 seconds.  THURSDAY  North winds 5 to 10 knots. Seas 3 to 4 feet,  occasionally to 5 feet. Wave Detail: Northeast 4 feet at  10 seconds.  THURSDAY NIGHT  Northeast winds around 10 knots, becoming east  after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Wave  Detail: Northeast 4 feet at 10 seconds. A slight chance of showers  after midnight.  FRIDAY  Southeast winds 10 to 15 knots, becoming south around 15  knots during the afternoon. Seas 4 to 5 feet, occasionally to 6  feet. Wave Detail: East 4 feet at 10 seconds and southeast 3 feet  at 4 seconds. A slight chance of showers in the morning, then a  chance of showers in the afternoon.  FRIDAY NIGHT  Southwest winds around 15 knots. Seas 3 to 4  feet, occasionally to 5 feet. Wave Detail: South 3 feet at 5  seconds and east 3 feet at 10 seconds. A chance of showers.  SATURDAY  Southwest winds 10 to 15 knots, becoming north during  the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Showers  with a slight chance of thunderstorms.  SATURDAY NIGHT AND SUNDAY  Northwest winds around 15 knots,  becoming north during the afternoon. Seas 4 to 5 feet,  occasionally to 6 feet. Showers with a slight chance of  thunderstorms.    Winds and seas higher in and near thunderstorms.    $$