NWS Marine Forecast


   AMZ400-052100-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  224 AM EDT Tue May 5 2026      .SYNOPSIS...    High pressure ridge will continue to shift eastward early this week  while a cold front approaches from the northwest. Caution level  speeds will be possible on Wednesday afternoon and evening, well in  advance of the cold front that will be entering the southeastern  states. Showers and thunderstorms will likely accompany this frontal  passage on Thursday afternoon and evening, with strong storms  possible across the Georgia waters. Breezy northwesterly winds are  expected in the wake of this frontal passage late Thursday night,  followed by winds shifting to north on Friday morning and then  northeast by Friday afternoon as the frontal boundary likely stalls  over the Florida peninsula. Additional rounds of showers and  thunderstorms will be possible from Friday through the upcoming  weekend as a wave of low pressure develops along the stalled frontal  boundary that should be positioned near the northeast Florida  waters.      .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.      $$
   AMZ450-452-454-052100-  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 May 5 2026    REST OF TONIGHT  Southeast winds 10 to 15 knots. Seas 3 to  4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at  8 seconds and southeast 2 feet at 5 seconds. Intracoastal waters  a moderate chop.  TUESDAY  Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave  Detail: Southeast 3 feet at 6 seconds. Intracoastal waters a  moderate chop.  TUESDAY NIGHT  South winds 10 to 15 knots. 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  a moderate chop.  WEDNESDAY  South winds 5 to 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 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 choppy.  THURSDAY  South winds 10 to 15 knots. Seas 2 to 3 feet. Wave  Detail: Southeast 3 feet at 6 seconds. Intracoastal waters a  moderate chop. A slight chance of showers and thunderstorms in  the afternoon.  THURSDAY NIGHT  Southwest winds 10 to 15 knots, becoming west  5 to 10 knots after midnight. Seas 2 to 3 feet. Intracoastal  waters a moderate chop. A chance of showers, mainly in the  evening.  FRIDAY  Northeast winds around 10 knots, becoming south. Seas  around 2 feet. Intracoastal waters light chop. A chance of  showers through the day. A chance of thunderstorms through the  night. Showers likely in the evening, then a chance of showers  with a slight chance of thunderstorms after midnight.  SATURDAY  West winds 5 to 10 knots, becoming southeast. Seas  around 2 feet. Intracoastal waters light chop. A slight chance of  thunderstorms in the morning. A chance of showers through the  day. A chance of thunderstorms in the afternoon, then a slight  chance of showers in the evening.    Winds and waves higher in and near thunderstorms.    $$