NWS Marine Forecast


   AMZ400-232100-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  224 AM EDT Tue Jun 23 2026      .SYNOPSIS...    Prevailing offshore winds will keep seas low and maritime conditions  fair. Offshore flow and unstable airmass will lead to daily  potential for scattered thunderstorms during the afternoon and  evening hours. A front will press into the waters and stall through  Wednesday which lead to a break in the offshore flow pattern through  Thursday before returning this weekend. While winds will be  generally less than ten knots during the daytime, nightly southerly  wind surges may lead to Exercise Caution Conditions offshore during  periods of offshore flow.      .GULF STREAM...    The approximate location of the west wall of the Gulf Stream as of  Jun 22, 2026 at 0000 UTC...    46 nautical miles east of Flagler Beach.  53 nautical miles east of Saint Augustine Beach.  60 nautical miles east southeast of Jacksonville Beach.  71 nautical miles east southeast of St Simons Island.    This data derived from NCEP Global RTOFS model.      $$
   AMZ450-452-454-232100-  Coastal waters from Altamaha Sound to Fernandina Beach FL out  20 NM-  Coastal waters from Fernandina Beach to St. Augustine FL out  20 NM-  Coastal waters from St. Augustine to Flagler Beach FL out 20 NM-  224 AM EDT Tue Jun 23 2026    REST OF TONIGHT  Southwest winds 10 to 15 knots. Seas 2 to  3 feet. Wave Detail: Southwest 2 feet at 4 seconds. Intracoastal  waters a moderate chop.  TUESDAY  Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave  Detail: Southwest 2 feet at 4 seconds. Intracoastal waters a  moderate chop. A chance of showers and thunderstorms in the  afternoon.  TUESDAY NIGHT  West winds 10 to 15 knots. Seas around 2 feet.  Wave Detail: West 2 feet at 3 seconds. Intracoastal waters a  moderate chop. A chance of showers and thunderstorms, mainly in  the evening.  WEDNESDAY  Northwest winds 5 to 10 knots, becoming east in the  afternoon. Seas around 2 feet. Intracoastal waters light chop.  WEDNESDAY NIGHT AND THURSDAY  East winds 5 to 10 knots. Seas  around 2 feet. Wave Detail: Southeast 2 feet at 8 seconds.  Intracoastal waters light chop.  THURSDAY NIGHT  Southeast winds 5 to 10 knots, becoming south  after midnight. Seas around 2 feet. Intracoastal waters light  chop.  FRIDAY THROUGH SATURDAY  Southwest winds 10 to 15 knots. Seas  2 to 3 feet. Intracoastal waters a moderate chop. A slight chance  of showers and thunderstorms.    Winds and waves higher in and near thunderstorms.    $$