NWS Marine Forecast


   AMZ400-250030-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  523 AM EDT Fri Apr 24 2026      .SYNOPSIS...    High pressure over the southeast states will weaken today into  Saturday while moving southeast and well offshore into the Atlantic.  Temporary increases in southeast to south winds expected along  nearshore waters this afternoon and again Saturday afternoon and  evening.    A cold frontal boundary will approach the southeast states by  Saturday evening, bringing a chance of showers and thunderstorms  during the afternoon and evening. This boundary is expected move  into the area waters Sunday into Sunday night, and then into central  Florida Monday. This front will result in widely scattered showers  and thunderstorms both Sunday and Sunday night. Behind the front,  increased northeast winds and rougher seas early Monday. Weak high  pressure will build in over the area waters Monday night into  through Tuesday. Another cold front will approach from the northwest  by Wednesday.    .GULF STREAM...    The approximate location of the west wall of the Gulf Stream as of  Apr 23, 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.  76 nautical miles east southeast of St Simons Island.    This data derived from NCEP Global RTOFS model.    $$
   AMZ450-452-454-250030-  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-  523 AM EDT Fri Apr 24 2026    TODAY  South winds 5 to 10 knots, becoming southeast 10 to 15  knots by late afternoon. Seas 2 to 3 feet. Wave Detail: Southeast  3 feet at 8 seconds. Intracoastal waters light chop.  TONIGHT  South winds 10 to 15 knots, becoming southwest 5 to  10 knots after midnight. Seas 2 to 3 feet. Wave Detail: East  3 feet at 9 seconds and southeast 2 feet at 4 seconds.  Intracoastal waters a moderate chop.  SATURDAY  Southwest winds 5 to 10 knots, becoming southeast  10 to 15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail:  Southeast 2 feet at 5 seconds and east 2 feet at 9 seconds.  Intracoastal waters a moderate chop.  SATURDAY NIGHT  South winds 10 to 15 knots, becoming southwest  after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet  at 4 seconds. Intracoastal waters a moderate chop. A slight  chance of thunderstorms in the evening. A slight chance of  showers.  SUNDAY  Southwest winds 5 to 10 knots, becoming southeast in  the afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet  at 5 seconds. Intracoastal waters light chop. A slight chance of  showers in the morning, then a chance of showers and  thunderstorms in the afternoon.  SUNDAY NIGHT  Southeast winds 5 to 10 knots, becoming northeast  10 to 15 knots after midnight. Seas around 2 feet. Wave Detail:  East 2 feet at 8 seconds. Intracoastal waters a moderate chop. A  chance of showers with a slight chance of thunderstorms in the  evening.  MONDAY  Northeast winds 10 to 15 knots, becoming east 5 to  10 knots. Seas 2 to 4 feet, occasionally to 5 feet. Intracoastal  waters a moderate chop.  TUESDAY  Southeast winds 10 to 15 knots, becoming south. Seas  3 to 4 feet, occasionally to 5 feet. Intracoastal waters a  moderate chop. A slight chance of showers in the evening.    Winds and waves higher in and near thunderstorms.    $$