NWS Marine Forecast


   AMZ400-182230-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  322 AM EST Sat Jan 18 2025      .SYNOPSIS...    Showers continue to spread from the south across the waters this  morning as low pressure moves north along the Florida peninsula.  The low will exit northeast away from the local waters as another  low develops to the west along the Gulf coast. A pre- frontal band  of showers and isolated thunderstorms will move across the waters  late this evening and over night, then the cold front will move  south across the local waters late Sunday trailed by a cold  airmass and increasing northerly winds into Monday. A strong high  pressure will build northwest of the region Monday into Tuesday  with a wave of low pressure developing over the northern Gulf. The  pressure gradient between the strong high to the northwest and the  developing low will promote Small Craft Advisory conditions  through at least mid- week. There is a chance of rain and snow  showers across the southeast Georgia waters Tuesday night.    .GULF STREAM...    The approximate location of the west wall of the Gulf Stream as of  Jan 14, 2025 at 1200 UTC...    34 nautical miles east northeast of Flagler Beach.  32 nautical miles east of Saint Augustine Beach.  41 nautical miles east of Jacksonville Beach.  63 nautical miles east southeast of St Simons Island.    This data courtesy of the Naval Oceanographic Office.      $$
   AMZ450-452-454-182230-  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-  322 AM EST Sat Jan 18 2025    TODAY  Southwest winds 5 to 10 knots. Seas around 2 feet. Wave  Detail: Southeast 2 feet at 5 seconds. Intracoastal waters light  chop. A chance of showers this morning, then showers likely this  afternoon.  TONIGHT  South winds 5 to 10 knots, increasing to 10 to  15 knots after midnight. Seas 2 to 3 feet. Wave Detail: Southeast  3 feet at 6 seconds. Intracoastal waters a moderate chop. Showers  likely in the evening, then showers with a slight chance of  thunderstorms after midnight.  SUNDAY  West winds 10 to 15 knots. Seas 2 to 3 feet. Wave  Detail: Southeast 3 feet at 6 seconds and west 2 feet at  3 seconds. Intracoastal waters a moderate chop. Showers, mainly  in the morning.  SUNDAY NIGHT  Northwest winds 15 to 20 knots. Seas 2 to 4 feet,  occasionally to 5 feet. Wave Detail: Northwest 3 feet at  4 seconds and southeast 2 feet at 7 seconds. Intracoastal waters  choppy. A slight chance of showers in the evening.  MONDAY  North winds 15 to 20 knots, diminishing to 10 to  15 knots in the afternoon. Seas 2 to 4 feet, occasionally to  5 feet. Wave Detail: North 3 feet at 6 seconds. Intracoastal  waters choppy.  MONDAY NIGHT  North winds 10 to 15 knots, becoming northeast  15 to 20 knots after midnight. Seas 2 to 4 feet, occasionally to  5 feet. Wave Detail: North 3 feet at 5 seconds. Intracoastal  waters choppy. A slight chance of showers in the evening, then a  chance of showers after midnight.  TUESDAY  Northeast winds 15 to 20 knots, becoming north 25 to  30 knots. Seas 3 to 5 feet, occasionally to 6 feet, building to  6 to 9 feet, occasionally to 11 feet. Intracoastal waters very  rough. Showers, then rain and snow showers likely after midnight.  WEDNESDAY  North winds 25 to 30 knots, becoming northeast 20 to  25 knots. Seas 7 to 10 feet, occasionally to 13 feet.  Intracoastal waters very rough. A chance of rain and snow showers  in the morning, then a slight chance of showers.    Winds and waves higher in and near thunderstorms.    $$