NWS Marine Forecast


   AMZ400-062345-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  438 AM EDT Wed May 6 2026      .SYNOPSIS...    High pressure centered near Bermuda will weaken as a cold front  enters the southeastern states tonight. Southerly winds this  morning will shift to southeasterly this afternoon, with speeds  increasing to Caution levels by early this evening both near shore  and offshore. The cold front will slow its forward progress as it  approaches our area on Thursday, with breezy southwesterly winds  expected across our local waters through Thursday evening. Showers  and thunderstorms will be possible from late Thursday afternoon  through early Thursday evening ahead of this front, with strong to  isolated severe thunderstorms possible, mainly across the Georgia  waters. This front will slow its forward progress on Friday  morning and will then stall by Friday evening across the northeast  Florida waters. Scattered to numerous showers and thunderstorms  will be possible from Friday afternoon through the weekend, with  another round of strong to severe thunderstorms possible on Sunday  afternoon and evening, well in advance of another cold front that  will be entering the southeastern states. This front will sweep  southeastward across our local waters on Monday, followed by high  pressure briefly building over the southeastern states on Monday  night and Tuesday.    .GULF STREAM...    The approximate location of the west wall of the Gulf Stream as of  May 05, 2026 at 0000 UTC...    54 nautical miles east of Flagler Beach.  62 nautical miles east of Saint Augustine Beach.  74 nautical miles east southeast of Jacksonville Beach.  89 nautical miles east southeast of St Simons Island.    This data derived from NCEP Global RTOFS model.    $$
   AMZ450-452-454-062345-  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-  438 AM EDT Wed May 6 2026    SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM THIS AFTERNOON  THROUGH THIS EVENING    TODAY  South winds around 10 knots, becoming southeast and  increasing 15 to 20 knots late this afternoon. Seas 2 to 3 feet.  Wave Detail: Southeast 3 feet at 4 seconds and east 2 feet at 7  seconds. Intracoastal waters becoming choppy.  TONIGHT  South winds 15 to 20 knots, becoming southwest 10 to 15  knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet.  Wave Detail: Southeast 3 feet at 6 seconds. Intracoastal waters  becoming a light chop.  THURSDAY  Southwest winds around 15 knots. Seas 2 to 3 feet.  Wave Detail: Southeast 3 feet at 6 seconds. Intracoastal waters a  moderate chop. A chance of showers and thunderstorms late in the  afternoon. Strong to isolated severe thunderstorms will be  possible, especially across the Georgia waters.  THURSDAY NIGHT  West winds 10 to 15 knots, becoming northwest  around 10 knots after midnight. Seas 2 to 3 feet. Wave Detail:  Southwest 2 feet at 4 seconds and east 2 feet at 7 seconds.  Intracoastal waters a light chop. A chance of showers and  thunderstorms in the evening.  FRIDAY  North northwest winds around 10 knots, becoming north  northeast in the afternoon. Seas around 2 feet. Wave Detail: East  2 feet at 6 seconds. Intracoastal waters a light chop. A chance  of showers and thunderstorms in the afternoon.  FRIDAY NIGHT  East winds 5 to 10 knots, becoming south after  midnight. Seas around 2 feet. Wave Detail: Northeast 2 feet at  5 seconds. Intracoastal waters light chop. A chance of showers  with a slight chance of thunderstorms in the evening, then  showers likely with a chance of thunderstorms after midnight.  SATURDAY  South winds 5 to 10 knots, becoming southeast during  the afternoon. Seas around 2 feet. Intracoastal waters mostly  smooth. Showers likely with a chance of thunderstorms.  SATURDAY NIGHT AND SUNDAY  South winds 5 to 10 knots, becoming  southeast 10 to 15 knots during the afternoon. Seas 2 to 3 feet.  Intracoastal waters becoming a light chop. Showers likely with a  chance of thunderstorms. Strong to severe thunderstorms will be  possible on Sunday afternoon and evening.    Winds and waves higher in and near thunderstorms.    $$