NWS Marine Forecast



 Hazardous marine condition(s):
 Gale Warning
   AMZ400-080315-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  803 AM EDT Tue Apr 7 2026      .SYNOPSIS...    High pressure ridging down the southeastern seaboard will be  reinforced this morning, with strong onshore winds then continuing  through the week and intensifying to Gale Force today through  Wednesday night. The strong winds with a long fetch will build seas  to 10 to 15 feet Wednesday through Thursday. Winds will gradually  weaken through Thursday and Friday as high pressure moves away  before much improved conditions developing this weekend.      .GULF STREAM...    The approximate location of the west wall of the Gulf Stream as of  Apr 06, 2026 at 0000 UTC...    58 nautical miles east of Flagler Beach.  66 nautical miles east of Saint Augustine Beach.  78 nautical miles east southeast of Jacksonville Beach.  80 nautical miles east southeast of St Simons Island.    This data derived from NCEP Global RTOFS model.      $$
   AMZ450-452-454-080315-  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-  803 AM EDT Tue Apr 7 2026    GALE WARNING IN EFFECT THROUGH LATE WEDNESDAY NIGHT    REST OF TODAY  Northeast winds 25 to 35 knots. Seas 8 to  11 feet, occasionally to 14 feet. Wave Detail: Northeast 11 feet  at 8 seconds and southeast 2 feet at 9 seconds. Intracoastal  waters extremely rough. Showers with a slight chance of  thunderstorms this morning, then showers likely this afternoon.  TONIGHT  Northeast winds 30 to 35 knots. Seas 10 to 14 feet,  occasionally to 18 feet. Wave Detail: East 14 feet at 9 seconds.  Intracoastal waters extremely rough. A chance of showers.  WEDNESDAY  Northeast winds 30 to 35 knots. Seas 12 to 16 feet,  occasionally to 20 feet. Wave Detail: Northeast 15 feet at  10 seconds. Intracoastal waters extremely rough. Showers. A  slight chance of thunderstorms in the morning, then a chance of  thunderstorms in the afternoon.  WEDNESDAY NIGHT  Northeast winds 30 to 35 knots, diminishing to  25 to 30 knots after midnight. Seas 12 to 16 feet, occasionally  to 20 feet. Wave Detail: East 16 feet at 11 seconds. Intracoastal  waters extremely rough. A slight chance of thunderstorms. Showers  likely, mainly in the evening.  THURSDAY  Northeast winds 25 to 30 knots. Seas 10 to 14 feet,  occasionally to 18 feet. Wave Detail: East 13 feet at 11 seconds.  Intracoastal waters very rough. A chance of showers with a slight  chance of thunderstorms.  THURSDAY NIGHT  Northeast winds 25 to 30 knots, diminishing to  20 to 25 knots after midnight. Seas 9 to 12 feet, occasionally to  15 feet. Wave Detail: East 12 feet at 11 seconds. Intracoastal  waters very rough. A slight chance of showers in the evening.  FRIDAY  Northeast winds 20 to 25 knots, diminishing to 15 to  20 knots. Seas 7 to 10 feet, occasionally to 13 feet, subsiding  to 6 to 7 feet, occasionally to 9 feet after midnight.  Intracoastal waters rough. A slight chance of showers in the  morning, then a slight chance of showers and thunderstorms in the  afternoon.  SATURDAY  Northeast winds 15 to 20 knots, becoming east 10 to  15 knots. Seas 5 to 7 feet, occasionally to 9 feet. Intracoastal  waters choppy.    Winds and waves higher in and near thunderstorms.    $$