NWS Marine Forecast


   AMZ400-060030-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  528 AM EDT Tue May 5 2026      .SYNOPSIS...    Atlantic high pressure centered near Bermuda will continue to  extend its axis across the northeast Florida waters through  Wednesday night. Onshore winds will become breezy across the near  shore waters this afternoon and evening, and speeds will likely  reach Caution levels on Wednesday afternoon and evening.  Otherwise, a cold front entering the southeastern states on  Wednesday night will shift prevailing winds to southwesterly  across our local waters, with this front then slowing its forward  progress as it moves across the Georgia waters on Thursday night,  followed by this front stalling over the northeast Florida waters  on Friday and Saturday. Scattered showers and thunderstorms are  expected to develop along and just ahead of the frontal boundary  across the Georgia waters on Thursday evening, with a few strong  storms possible through around midnight. Scattered to numerous  showers and thunderstorms are then expected to develop throughout  our local waters on Friday and Friday evening. Scattered showers  and thunderstorms will be possible during the weekend as the front  slowly lifts northward ahead of the next possible frontal  passage, which is forecast to occur by Monday night or next  Tuesday.    .GULF STREAM...    The approximate location of the west wall of the Gulf Stream as of  May 04, 2026 at 0000 UTC...    54 nautical miles east of Flagler Beach.  66 nautical miles east of Saint Augustine Beach.  78 nautical miles east southeast of Jacksonville Beach.  94 nautical miles east southeast of St Simons Island.    This data derived from NCEP Global RTOFS model.    $$
   AMZ450-452-454-060030-  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-  528 AM EDT Tue May 5 2026    TODAY  Southeast winds around 10 knots, becoming east southeast  around 15 knots late this afternoon. Seas 2 to 3 feet. Wave  Detail: Southeast 3 feet at 6 seconds. Intracoastal waters  becoming a moderate chop.  TONIGHT  Southeast winds around 15 knots, becoming south 10 to  15 knots after midnight. Seas 3 to 4 feet, occasionally to 5  feet. Wave Detail: Southeast 3 feet at 7 seconds and southeast 2  feet at 4 seconds. Intracoastal waters becoming a light chop.  WEDNESDAY  South winds around 10 knots, becoming southeast 15  to 20 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5  feet. Wave Detail: Southeast 3 feet at 5 seconds. Intracoastal  waters becoming choppy.  WEDNESDAY NIGHT  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 4 feet at 6 seconds. Intracoastal  waters becoming a light chop.  THURSDAY  Southwest winds 10 to 15 knots, becoming south around  15 knots during the afternoon. Seas 2 to 3 feet. Wave Detail:  Southeast 3 feet at 6 seconds. Intracoastal waters becoming a  moderate chop. A slight chance of showers and thunderstorms late  in the afternoon.  THURSDAY NIGHT  South southwest winds around 15 knots, becoming  west northwest after midnight. Seas 2 to 3 feet. Wave Detail:  Southeast 3 feet at 6 seconds. Intracoastal waters a moderate  chop. A chance of showers and thunderstorms, mainly in the  evening.  FRIDAY  Northwest winds around 15 knots, becoming northeast 10  to 15 knots during the afternoon. Seas 2 to 3 feet. Intracoastal  waters becoming a light chop. A chance of showers and  thunderstorms, mainly during the afternoon.  FRIDAY NIGHT   East winds 5 to 10 knots, becoming southwest  around 10 knots after midnight. Seas around 2 feet. Intracoastal  waters a light chop. Showers likely with a chance of thunderstorms  in the evening, then a chance of showers with a slight chance of  thunderstorms after midnight.  SATURDAY  West winds around 10 knots, becoming east northeast 5  to 10 knots during the afternoon. Seas around 2 feet.  Intracoastal waters becoming mostly smooth. A chance of showers  and thunderstorms.    Winds and waves higher in and near thunderstorms.    $$