NWS Marine Forecast


   AMZ400-102100-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  225 AM EDT Sun May 10 2026      .SYNOPSIS...    A frontal boundary near the Florida/Georgia border today will slowly  weaken and dissipate through tonight. Periods of showers and  thunderstorms are expected through Monday, with isolated strong to  possible a severe thunderstorms mainly during the afternoon and  evening hours. A stronger cold front will then push into the local  waters Monday evening. Northwest to north winds will strengthen late  Monday night in the wake of the frontal passage, with winds likely  reaching Small Craft Advisory levels which will likely continue into  Tuesday night. Weak high pressure will briefly build over the area  Wednesday, and then a dry cold front moves into the area on  Thursday.      .GULF STREAM...    The approximate location of the west wall of the Gulf Stream as of  May 09, 2026 at 0000 UTC...    54 nautical miles east of Flagler Beach.  58 nautical miles east of Saint Augustine Beach.  70 nautical miles east southeast of Jacksonville Beach.  76 nautical miles east southeast of St Simons Island.    This data derived from NCEP Global RTOFS model.      $$
   AMZ450-452-454-102100-  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-  225 AM EDT Sun May 10 2026    REST OF TONIGHT  Southwest winds around 5 knots. Seas around  2 feet. Wave Detail: East 2 feet at 7 seconds. Intracoastal  waters smooth. A chance of showers with a slight chance of  thunderstorms.  SUNDAY  North winds around 5 knots, becoming east in the  afternoon. Seas around 2 feet. Wave Detail: East 2 feet at  7 seconds. Intracoastal waters light chop. A chance of showers. A  slight chance of thunderstorms in the morning, then a chance of  thunderstorms in the afternoon.  SUNDAY NIGHT  Southeast winds 5 to 10 knots, becoming southwest  after midnight. Seas around 2 feet. Wave Detail: East 2 feet at  8 seconds. Intracoastal waters light chop. A chance of showers  with a slight chance of thunderstorms in the evening, then a  slight chance of showers after midnight.  MONDAY  South winds around 5 knots, becoming southeast in the  afternoon. Seas around 2 feet. Wave Detail: East 2 feet at  8 seconds. Intracoastal waters light chop. A slight chance of  showers and thunderstorms in the morning, then showers likely  with a chance of thunderstorms in the afternoon.  MONDAY NIGHT  Southwest winds around 5 knots, becoming  northwest 10 to 15 knots after midnight. Seas around 2 feet. Wave  Detail: Northwest 2 feet at 3 seconds and southeast 2 feet at  7 seconds. Intracoastal waters a moderate chop. Showers likely  with a chance of thunderstorms in the evening, then a chance of  showers after midnight.  TUESDAY  Northeast winds 20 to 25 knots. Seas 4 to 6 feet,  occasionally to 8 feet. Wave Detail: North 6 feet at 5 seconds.  Intracoastal waters rough. A chance of showers with a slight  chance of thunderstorms.  TUESDAY NIGHT  Northeast winds 15 to 20 knots, becoming east  10 to 15 knots after midnight. Seas 4 to 6 feet, occasionally to  8 feet. Intracoastal waters choppy. A chance of showers in the  evening.  WEDNESDAY  East winds 5 to 10 knots, becoming south. Seas 3 to  5 feet, occasionally to 6 feet. Intracoastal waters light chop. A  chance of showers in the morning, then a chance of showers with a  slight chance of thunderstorms in the afternoon.  THURSDAY  South winds 5 to 10 knots, becoming west. Seas 2 to  4 feet, occasionally to 5 feet. Intracoastal waters light chop.    Winds and waves higher in and near thunderstorms.    $$