NWS Marine Forecast


   AMZ400-210800-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  146 PM EDT Tue May 20 2025      .SYNOPSIS...    High pressure across south Florida continues today as a front  approaches from the northwest tonight. Showers and isolated  thunderstorms are expected Wednesday as the front moves southward  across the local waters. A second, dry front will move across the  waters late Thursday into early Friday. High pressure builds north  then northeast of the waters into the weekend. Daily sea breeze  and night time land breezes are expected.    .GULF STREAM...    The approximate location of the west wall of the Gulf Stream as of  May 17, 2025 at 1200 UTC...    65 nautical miles east of Flagler Beach.  80 nautical miles east of Saint Augustine Beach.  89 nautical miles east of Jacksonville Beach.  99 nautical miles east southeast of St Simons Island.    This data courtesy of the Naval Oceanographic Office.    $$
   AMZ470-472-474-210800-  Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to  60 NM-  Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM-  Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM-  146 PM EDT Tue May 20 2025    REST OF TODAY  South winds 5 to 10 knots. Seas around 2 feet.  Wave Detail: Southeast 2 feet at 4 seconds and east 2 feet at  8 seconds.  TONIGHT  South winds 10 to 15 knots, becoming southwest after  midnight. Seas 2 to 3 feet. Wave Detail: South 3 feet at  4 seconds and east 2 feet at 9 seconds.  WEDNESDAY  Southwest winds 10 to 15 knots. Seas 2 to 3 feet.  Wave Detail: Southwest 3 feet at 4 seconds and east 2 feet at  9 seconds. A chance of showers in the afternoon.  WEDNESDAY NIGHT  West winds 10 to 15 knots, becoming northwest  after midnight. Seas 2 to 3 feet. Wave Detail: West 3 feet at  4 seconds and east 2 feet at 9 seconds. A slight chance of  thunderstorms in the evening. A slight chance of showers.  THURSDAY  Northwest winds 5 to 10 knots, becoming south in the  afternoon. Seas 2 to 3 feet. Wave Detail: Northwest 2 feet at  4 seconds and east 2 feet at 9 seconds.  THURSDAY NIGHT  South winds 10 to 15 knots, becoming west after  midnight. Seas 2 to 3 feet. Wave Detail: South 2 feet at  4 seconds and east 2 feet at 9 seconds.  FRIDAY THROUGH SATURDAY  Southeast winds 10 to 15 knots. Seas  2 to 3 feet.    Winds and seas higher in and near thunderstorms.    $$