NWS Marine Forecast


   AMZ400-251630-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  917 PM EDT Tue Jun 24 2025      .SYNOPSIS...    Atlantic high pressure will extend across the local waters through  tonight with light onshore winds and dry weather. High pressure  will extend across the Florida peninsula Wednesday with a trough  of low pressure across the southeast region into weekend. Shower  and thunderstorm chances increase Wednesday and through into the  weekend, with strong storm potential during the afternoon and  evening hours.      .GULF STREAM...    The approximate location of the west wall of the Gulf Stream as of  Jun 21, 2025 at 1200 UTC...    66 nautical miles east northeast of Flagler Beach.  73 nautical miles east of Saint Augustine Beach.  82 nautical miles east of Jacksonville Beach.  93 nautical miles east southeast of St Simons Island.    This data courtesy of the Naval Oceanographic Office.      $$
   AMZ450-452-454-251630-  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-  917 PM EDT Tue Jun 24 2025    REST OF TONIGHT  South winds 5 to 10 knots. Seas around 2 feet.  Wave Detail: Southeast 2 feet at 8 seconds. Intracoastal waters  light chop.  WEDNESDAY  South winds 5 to 10 knots, becoming southeast 10 to  15 knots in the afternoon. Seas around 2 feet. Wave Detail:  Southeast 2 feet at 3 seconds and southeast 2 feet at 8 seconds.  Intracoastal waters a moderate chop. A slight chance of showers  and thunderstorms in the morning.  WEDNESDAY NIGHT  Southeast winds 10 to 15 knots, becoming south  5 to 10 knots after midnight. Seas around 2 feet. Wave Detail:  Southeast 2 feet at 4 seconds and east 2 feet at 9 seconds.  Intracoastal waters a moderate chop. A slight chance of showers  and thunderstorms after midnight.  THURSDAY  Southeast winds 5 to 10 knots. Seas around 2 feet.  Wave Detail: Southeast 2 feet at 4 seconds and east 2 feet at  9 seconds. Intracoastal waters light chop. A slight chance of  showers and thunderstorms in the morning, then a chance of  showers and thunderstorms in the afternoon.  THURSDAY NIGHT  South winds 5 to 10 knots. Seas around 2 feet.  Wave Detail: Southeast 2 feet at 4 seconds and east 2 feet at  9 seconds. Intracoastal waters light chop. A slight chance of  thunderstorms in the evening. A slight chance of showers.  FRIDAY  South winds 5 to 10 knots, becoming southeast in the  afternoon. Seas around 2 feet. Wave Detail: East 2 feet at  9 seconds. Intracoastal waters light chop. A slight chance of  showers and thunderstorms in the morning, then a chance of  showers and thunderstorms in the afternoon.  FRIDAY NIGHT  Southwest winds 5 to 10 knots. Seas 2 to 3 feet.  Intracoastal waters light chop. A chance of showers with a slight  chance of thunderstorms in the evening, then a slight chance of  showers after midnight.  SATURDAY  Southwest winds 5 to 10 knots. Seas 2 to 3 feet.  Intracoastal waters light chop. A chance of showers with a slight  chance of thunderstorms in the morning, then showers and  thunderstorms likely in the afternoon. A chance of showers and  thunderstorms in the evening, then a slight chance of showers  after midnight.  SUNDAY  South winds 5 to 10 knots. Seas 2 to 3 feet.  Intracoastal waters light chop. A chance of showers with a slight  chance of thunderstorms in the morning, then showers likely with  a chance of thunderstorms in the afternoon. A chance of showers  with a slight chance of thunderstorms in the evening, then a  slight chance of showers after midnight.    Winds and waves higher in and near thunderstorms.    $$