NWS Marine Forecast


   AMZ400-042000-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  1229 AM EST Thu Dec 4 2025      .SYNOPSIS...    High pressure will build over the southeastern states today with low  pressure organizing along the northern Gulf coast tonight, with a  warm front lifting northward across our local waters on Friday  accompanied by an increasing coverage of showers. Weak low pressure  will 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.      $$
   AMZ470-472-474-042000-  Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to  60 NM-  Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM-  Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM-  1229 AM EST Thu Dec 4 2025    REST OF TONIGHT  North winds around 10 knots. Seas 2 to 3 feet.  Wave Detail: North 2 feet at 4 seconds and northeast 2 feet at  7 seconds.  THURSDAY  North winds 5 to 10 knots. Seas 3 to 4 feet,  occasionally to 5 feet. Wave Detail: East 4 feet at 11 seconds  and north 2 feet at 5 seconds.  THURSDAY NIGHT  Northeast winds around 10 knots, becoming  southeast after midnight. Seas 3 to 4 feet, occasionally to  5 feet. Wave Detail: East 4 feet at 10 seconds and southeast  2 feet at 3 seconds. A slight chance of showers in the evening.  FRIDAY  Southwest winds 10 to 15 knots. Seas 3 to 5 feet,  occasionally to 6 feet. Wave Detail: South 4 feet at 5 seconds  and east 4 feet at 10 seconds. A slight chance of showers in the  morning, then a chance of showers in the afternoon.  FRIDAY NIGHT  West winds 10 to 15 knots. Seas 3 to 5 feet,  occasionally to 6 feet. Wave Detail: South 3 feet at 5 seconds  and east 3 feet at 10 seconds. A chance of showers.  SATURDAY  Northwest winds around 10 knots, becoming north in  the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave  Detail: East 3 feet at 10 seconds and northwest 2 feet at  3 seconds. A chance of showers.  SATURDAY NIGHT  Northeast winds 10 to 15 knots. Seas 3 to  4 feet, occasionally to 5 feet. Showers.  SUNDAY  East winds 10 to 15 knots, becoming northwest 15 to  20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Showers with  a slight chance of thunderstorms through the day, then a chance  of showers through the night.  MONDAY  North winds 15 to 20 knots. Seas 4 to 6 feet,  occasionally to 8 feet. A slight chance of showers through the  day.    Winds and seas higher in and near thunderstorms.    $$