NWS Marine Forecast



 Hazardous marine condition(s):
 Small Craft Advisory
   AMZ400-092100-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  225 AM EDT Thu Apr 9 2026      .SYNOPSIS...    Strong high pressure will be centered the north northeast through  today, with an inverted trough to the south. The high will weaken as  it settles over the southeastern US on Friday. The high will move  off to the northeast over the weekend, and more toward the east  northeast next week.      .GULF STREAM...    The approximate location of the west wall of the Gulf Stream as of  Apr 08, 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.  84 nautical miles east southeast of St Simons Island.    This data derived from NCEP Global RTOFS model.      $$
   AMZ450-452-454-092100-  Coastal waters from Altamaha Sound to Fernandina Beach FL out  20 NM-  Coastal waters from Fernandina Beach to St. Augustine FL out  20 NM-  Coastal waters from St. Augustine to Flagler Beach FL out 20 NM-  225 AM EDT Thu Apr 9 2026    SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING    REST OF TONIGHT  Northeast winds 25 to 30 knots. Seas 10 to  13 feet, occasionally to 17 feet. Wave Detail: East 13 feet at  10 seconds. Intracoastal waters very rough. A chance of showers  with a slight chance of thunderstorms.  THURSDAY  Northeast winds 20 to 25 knots. Seas 9 to 12 feet,  occasionally to 15 feet, subsiding to 8 to 10 feet, occasionally  to 13 feet in the afternoon. Wave Detail: East 11 feet at  10 seconds, becoming east 10 feet at 10 seconds. Intracoastal  waters rough. A slight chance of thunderstorms. A chance of  showers, mainly in the morning.  THURSDAY NIGHT  Northeast winds 20 to 25 knots, diminishing to  15 to 20 knots after midnight. Seas 6 to 9 feet, occasionally to  11 feet. Wave Detail: East 9 feet at 10 seconds. Intracoastal  waters rough.  FRIDAY  Northeast winds 15 to 20 knots, diminishing to 10 to  15 knots in the afternoon. Seas 5 to 7 feet, occasionally to  9 feet. Wave Detail: East 7 feet at 10 seconds. Intracoastal  waters choppy. A slight chance of showers.  FRIDAY NIGHT THROUGH SATURDAY NIGHT  East winds 10 to 15 knots.  Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East  6 feet at 10 seconds. Intracoastal waters a moderate chop.  SUNDAY THROUGH MONDAY  Southeast winds 10 to 15 knots. Seas  3 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at  11 seconds and east 4 feet at 8 seconds. Intracoastal waters a  moderate chop.    Winds and waves higher in and near thunderstorms.    $$