NWS Marine Forecast


   AMZ400-172000-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  1229 AM EST Sat Jan 17 2026      .SYNOPSIS...    High pressure will shift eastward through the overnight hours, with  winds shifting to come from the south to southeast. Another Arctic  cold front will enter the southeastern states this afternoon,  crossing our local waters on Sunday morning. This front will be  accompanied by showers this evening through the early afternoon  hours on Sunday. Northwesterly winds will strengthen by early Sunday  morning, with Small Craft Advisory conditions likely through Sunday  evening throughout our local waters. Arctic high pressure will  remain centered to the west or northwest of our region early next  week, keeping breezy northwest to northerly winds and elevated seas  in place. High pressure will then start to position north of our  waters towards midweek.      .GULF STREAM...    The approximate location of the west wall of the Gulf Stream as of  Jan 16, 2026 at 0000 UTC...    50 nautical miles east of Flagler Beach.  53 nautical miles east of Saint Augustine Beach.  64 nautical miles east southeast of Jacksonville Beach.  68 nautical miles east southeast of St Simons Island.    This data derived from NCEP Global RTOFS model.      $$
   AMZ450-452-454-172000-  Coastal waters from Altamaha Sound to Fernandina Beach FL out  20 NM-  Coastal waters from Fernandina Beach to St. Augustine FL out  20 NM-  Coastal waters from St. Augustine to Flagler Beach FL out 20 NM-  1229 AM EST Sat Jan 17 2026    REST OF TONIGHT  South winds 5 to 10 knots. Seas around 2 feet.  Intracoastal waters light chop.  SATURDAY  South winds 5 to 10 knots. Seas around 2 feet.  Intracoastal waters light chop.  SATURDAY NIGHT  South winds 5 to 10 knots, becoming northwest  10 to 15 knots after midnight. Seas around 2 feet. Intracoastal  waters a moderate chop. A chance of showers after midnight.  SUNDAY  Northwest winds 15 to 20 knots. Seas 3 to 5 feet,  occasionally to 6 feet. Wave Detail: North 4 feet at 4 seconds.  Intracoastal waters choppy. Showers, mainly in the morning.  SUNDAY NIGHT THROUGH MONDAY NIGHT  Northwest winds 15 to  20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail:  North 3 feet at 5 seconds and east 2 feet at 9 seconds.  Intracoastal waters choppy.  TUESDAY  North winds 15 to 20 knots, becoming northeast 10 to  15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail:  North 3 feet at 4 seconds and east 2 feet at 9 seconds.  Intracoastal waters choppy.  WEDNESDAY  Northeast winds 10 to 15 knots, diminishing to 5 to  10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Intracoastal  waters a moderate chop. A slight chance of showers after  midnight.    $$