NWS Marine Forecast


   AMZ400-051315-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  502 PM EST Thu Dec 4 2025      .SYNOPSIS...    Weak low pressure organizing along the northern Gulf coast this  afternoon will lift a warm front northeastward across our local  waters on Friday, accompanied by showers and possibly an  isolated thunderstorm. Weak low pressure will move northeastward  across southeastern Georgia on Friday afternoon, 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, with widespread rainfall and a few embedded thunderstorms  likely across 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, with Small Craft Advisory conditions possible from Monday  through early Tuesday.      .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.      $$
   AMZ470-472-474-051315-  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-  502 PM EST Thu Dec 4 2025    SMALL CRAFT EXERCISE CAUTION    TONIGHT  East winds 10 to 15 knots, becoming south 15 to  20 knots after midnight. Seas 4 to 5 feet, occasionally to  6 feet. Wave Detail: East 4 feet at 10 seconds and northeast  3 feet at 4 seconds. A slight chance of showers.  FRIDAY  Southwest winds 15 to 20 knots. Seas 4 to 6 feet,  occasionally to 8 feet. Wave Detail: South 5 feet at 5 seconds  and east 4 feet at 10 seconds. A slight chance of showers.  FRIDAY NIGHT  Northwest winds 10 to 15 knots. Seas 3 to 5 feet,  occasionally to 6 feet. Wave Detail: South 4 feet at 6 seconds  and east 3 feet at 10 seconds. A chance of showers, mainly in the  evening.  SATURDAY  Northwest winds 10 to 15 knots. Seas 3 to 4 feet,  occasionally to 5 feet. Wave Detail: East 3 feet at 10 seconds  and northwest 2 feet at 4 seconds. A slight chance of showers in  the morning, then a chance of showers in the afternoon.  SATURDAY NIGHT  Northeast winds 10 to 15 knots. Seas 3 to  4 feet, occasionally to 5 feet. Wave Detail: North 3 feet at  4 seconds and east 3 feet at 10 seconds. A slight chance of  thunderstorms in the evening. Showers.  SUNDAY  East winds 10 to 15 knots, becoming south in the  afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail:  East 4 feet at 9 seconds and southeast 3 feet at 5 seconds.  Showers. A slight chance of thunderstorms in the afternoon.  SUNDAY NIGHT  North winds 10 to 15 knots, becoming northwest  15 to 20 knots after midnight. Seas 4 to 5 feet, occasionally to  6 feet. Showers likely, mainly in the evening.  MONDAY  North winds 20 to 25 knots. Seas 5 to 7 feet,  occasionally to 9 feet. A slight chance of showers in the  morning.  TUESDAY  North winds 15 to 20 knots, diminishing to 10 to  15 knots. Seas 4 to 6 feet, occasionally to 8 feet.    Winds and seas higher in and near thunderstorms.    $$