NWS Marine Forecast


   AMZ400-271615-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  901 PM EDT Wed Aug 26 2026      .SYNOPSIS...    A stalled frontal boundary positioned just north of the Georgia  waters will remain in place during the next several days.  Thunderstorms developing over coastal locations will push across our  local waters through Friday, mainly during the afternoon and evening  hours, with strong to isolated severe storms possible. Offshore  winds will otherwise prevail during the overnight and morning hours,  with the Atlantic sea breeze shifting winds to onshore each  afternoon across the near shore waters. Southerly winds will then  surge each evening, with speeds briefly approaching Caution speeds  around sunset outside of ongoing thunderstorm activity. Stronger  high pressure building over New England this weekend will shift  prevailing winds to onshore across our local waters, with scattered  showers and thunderstorms possible at any time during the upcoming  weekend and early next week.      .GULF STREAM...    The approximate location of the west wall of the Gulf Stream as of  Aug 26, 2026 at 0000 UTC...    54 nautical miles east of Flagler Beach.  58 nautical miles east of Saint Augustine Beach.  60 nautical miles east southeast of Jacksonville Beach.  68 nautical miles east southeast of St Simons Island.    This data derived from NCEP Global RTOFS model.      $$
   AMZ470-472-474-271615-  Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to  60 NM-  Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM-  Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM-  901 PM EDT Wed Aug 26 2026    REST OF TONIGHT  South winds 10 to 15 knots. Seas 2 to 3 feet.  Wave Detail: South 3 feet at 4 seconds. A chance of showers and  thunderstorms, mainly this evening.  THURSDAY  Southwest winds 5 to 10 knots, becoming south 10 to  15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: South  2 feet at 4 seconds.  THURSDAY NIGHT  South winds 10 to 15 knots, becoming southwest  5 to 10 knots after midnight. Seas 2 to 3 feet. Wave Detail:  South 2 feet at 4 seconds. A chance of showers and thunderstorms.  FRIDAY  Southwest winds 5 to 10 knots, becoming southeast in  the afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at  4 seconds and east 2 feet at 9 seconds. A slight chance of  showers and thunderstorms.  FRIDAY NIGHT  South winds 5 to 10 knots. Seas 2 to 3 feet. Wave  Detail: Southeast 2 feet at 4 seconds and east 2 feet at  9 seconds. A chance of thunderstorms. Showers likely, mainly in  the evening.  SATURDAY AND SATURDAY NIGHT  Southeast winds 5 to 10 knots.  Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 4 seconds and  east 2 feet at 8 seconds. A chance of showers and thunderstorms.  SUNDAY THROUGH MONDAY  East winds 5 to 10 knots. Seas around  2 feet. A chance of showers and thunderstorms.    Winds and seas higher in and near thunderstorms.    $$