NWS Marine Forecast


   AMZ400-262100-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  225 AM EDT Sun Jul 26 2026      .SYNOPSIS...    A stationary frontal boundary extending from the Carolina coast  westward across the deep south will drift south towards the Georgia  waters Today, pushing the axis of Atlantic high pressure southward.  This change in the weather pattern will create a prevailing offshore  wind flow through early next week, with scattered to numerous  afternoon and evening thunderstorms expected across our local waters  each day. A few stronger storms will be possible during the late  afternoon hours, with briefly strong wind gusts, frequent lightning  strikes and torrential downpours. Another front will approach the  waters by the middle of next week with offshore southwest winds  increasing to near advisory levels.      .GULF STREAM...    The approximate location of the west wall of the Gulf Stream as of  Jul 25, 2026 at 0000 UTC...    46 nautical miles east of Flagler Beach.  49 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.      $$
   AMZ470-472-474-262100-  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-  225 AM EDT Sun Jul 26 2026    REST OF TONIGHT  West winds 10 to 15 knots. Seas around 3 feet.  Wave Detail: Southwest 2 feet at 4 seconds and east 2 feet at  8 seconds. A slight chance of showers and thunderstorms.  SUNDAY  West winds 10 to 15 knots, becoming south in the  afternoon. Seas 2 to 3 feet. Wave Detail: West 2 feet at  4 seconds and east 2 feet at 8 seconds. A slight chance of  showers and thunderstorms in the morning, then a chance of  showers and thunderstorms in the afternoon.  SUNDAY NIGHT  Southwest winds around 15 knots. Seas 3 to  4 feet, occasionally to 5 feet. Wave Detail: South 3 feet at  4 seconds and east 2 feet at 8 seconds. Showers and thunderstorms  likely, mainly in the evening.  MONDAY  Northwest winds 10 to 15 knots, becoming north around  5 knots in the afternoon. Seas 2 to 4 feet, occasionally to  5 feet. Wave Detail: West 3 feet at 4 seconds and east 2 feet at  8 seconds.  MONDAY NIGHT  South winds around 5 knots, becoming southwest  after midnight. Seas around 2 feet. Wave Detail: East 2 feet at  8 seconds.  TUESDAY AND TUESDAY NIGHT  Southwest winds 15 to 20 knots. Seas  2 to 4 feet, occasionally to 5 feet. Wave Detail: South 4 feet at  4 seconds and east 2 feet at 8 seconds.  WEDNESDAY  Southwest winds 15 to 20 knots. Seas 3 to 5 feet,  occasionally to 6 feet. A chance of showers and thunderstorms  through the night. A chance of showers with a slight chance of  thunderstorms after midnight.  THURSDAY  Southwest winds 15 to 20 knots. Seas 3 to 5 feet,  occasionally to 6 feet. 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 through the night.    Winds and seas higher in and near thunderstorms.    $$