NWS Marine Forecast


   AMZ400-201300-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  454 PM 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 19, 2026 at 0000 UTC...    50 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.      $$
   AMZ450-452-454-201300-  Coastal waters from Altamaha Sound to Fernandina Beach FL out  20 NM-  Coastal waters from Fernandina Beach to St. Augustine FL out  20 NM-  Coastal waters from St. Augustine to Flagler Beach FL out 20 NM-  454 PM EST Mon Jan 19 2026    SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 11 PM EST THIS  EVENING THROUGH TUESDAY EVENING    TONIGHT  Northwest winds 15 to 20 knots. Seas 3 to 5 feet,  occasionally to 6 feet. Wave Detail: North 4 feet at 4 seconds  and east 2 feet at 8 seconds. Intracoastal waters choppy.  TUESDAY  North winds 15 to 20 knots. Seas 3 to 5 feet,  occasionally to 6 feet. Wave Detail: North 4 feet at 5 seconds  and east 2 feet at 8 seconds. Intracoastal waters choppy.  TUESDAY NIGHT  Northeast winds 10 to 15 knots. Seas 3 to  5 feet, occasionally to 6 feet. Wave Detail: North 4 feet at  5 seconds and east 2 feet at 9 seconds. Intracoastal waters a  moderate chop.  WEDNESDAY  Northeast winds 10 to 15 knots. Seas 3 to 4 feet,  occasionally to 5 feet. Wave Detail: Northeast 3 feet at  5 seconds and east 2 feet at 9 seconds. Intracoastal waters a  moderate chop.  WEDNESDAY NIGHT  North winds 5 to 10 knots. Seas 3 to 4 feet,  occasionally to 5 feet. Wave Detail: East 3 feet at 9 seconds and  northeast 2 feet at 5 seconds. Intracoastal waters light chop.  THURSDAY AND THURSDAY NIGHT  Northeast winds 10 to 15 knots.  Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East  5 feet at 10 seconds and northeast 2 feet at 6 seconds.  Intracoastal waters a moderate chop. A slight chance of showers.  FRIDAY  Northeast winds 10 to 15 knots. Seas 3 to 5 feet,  occasionally to 6 feet. Intracoastal waters a moderate chop. A  slight chance of showers through the night. A chance of showers  after midnight.  SATURDAY  North winds 15 to 20 knots. Seas 5 to 7 feet,  occasionally to 9 feet. Intracoastal waters choppy. A chance of  showers.    $$