NWS Marine Forecast


   AMZ400-200615-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  1002 AM EST Mon Jan 19 2026      .SYNOPSIS...    High pressure will build to the northwest through Tuesday, then  more toward the northeast Wednesday. An inverted trough is  expected to develop along the coastal waters Wednesday. The trough  will move off to the east Wednesday night. Weak high pressure  ridging will be in place Thursday and Friday.    .GULF STREAM...    The approximate location of the west wall of the Gulf Stream as of  Jan 18, 2026 at 0000 UTC...    54 nautical miles east of Flagler Beach.  58 nautical miles east of Saint Augustine Beach.  70 nautical miles east southeast of Jacksonville Beach.  71 nautical miles east southeast of St Simons Island.    This data derived from NCEP Global RTOFS model.      $$
   AMZ452-454-200615-  Coastal waters from Fernandina Beach to St. Augustine FL out  20 NM-  Coastal waters from St. Augustine to Flagler Beach FL out 20 NM-  1002 AM EST Mon Jan 19 2026    SMALL CRAFT EXERCISE CAUTION    REST OF TODAY  Northwest winds 15 to 20 knots, diminishing to  10 to 15 knots this afternoon. Seas 3 to 5 feet, occasionally to  6 feet. Wave Detail: North 4 feet at 6 seconds and east 2 feet at  8 seconds. Intracoastal waters choppy.  TONIGHT  Northwest winds 10 to 15 knots, becoming north 15 to  20 knots after midnight. Seas 3 to 5 feet, occasionally to  6 feet. Wave Detail: North 4 feet at 5 seconds and east 2 feet at  8 seconds. Intracoastal waters choppy.  TUESDAY  North winds 15 to 20 knots. Seas 3 to 5 feet,  occasionally to 6 feet. Wave Detail: North 4 feet at 5 seconds  and east 2 feet at 8 seconds. Intracoastal waters choppy.  TUESDAY NIGHT  Northeast winds 10 to 15 knots. Seas 3 to  4 feet, occasionally to 5 feet. Wave Detail: North 4 feet at  5 seconds and east 2 feet at 9 seconds. Intracoastal waters a  moderate chop.  WEDNESDAY  Northeast winds 10 to 15 knots. Seas 3 to 4 feet,  occasionally to 5 feet. Wave Detail: Northeast 3 feet at  5 seconds and east 2 feet at 9 seconds. Intracoastal waters a  moderate chop.  WEDNESDAY NIGHT  Northeast winds 5 to 10 knots. Seas 3 to  4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at  9 seconds and northeast 2 feet at 6 seconds. Intracoastal waters  light chop. A slight chance of showers after midnight.  THURSDAY THROUGH FRIDAY  Northeast winds 10 to 15 knots. Seas  3 to 5 feet, occasionally to 6 feet. Intracoastal waters a  moderate chop. A slight chance of showers.    $$