NWS Marine Forecast


   AMZ400-272100-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  224 AM EDT Wed May 27 2026      .SYNOPSIS...    Bermuda high pressure will be dominant again through Thursday night.  An incoming cold front will push the high pressure southward through  the end of the week as front itself stall just north of the waters  until Sunday. Breezy south southeasterly winds will increase again  to Exercise Caution levels which will keep thunderstorm activity  inland. By Thursday and through the weekend, offshore flow will set  up, pinning the Atlantic sea breeze near the coast and increasing  chances for afternoon thunderstorms across the area waters. A wet  pattern continues this weekend into next week as weak low pressure  moves along a stalled front to the north. As the low moves away  early next week, a surge of northeasterly winds may push into the  local waters bringing a period of Small Craft Advisory conditions.      .GULF STREAM...    The approximate location of the west wall of the Gulf Stream as of  May 26, 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.  71 nautical miles east southeast of St Simons Island.    This data derived from NCEP Global RTOFS model.      $$
   AMZ450-452-454-272100-  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 Wed May 27 2026    SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH LATE TONIGHT    REST OF TONIGHT  South winds 15 to 20 knots. Seas 4 to 5 feet,  occasionally to 6 feet. Wave Detail: Southeast 5 feet at  6 seconds. Intracoastal waters choppy.  WEDNESDAY  South winds 10 to 15 knots, becoming southeast 15 to  20 knots in the afternoon. Seas 3 to 4 feet, occasionally to  5 feet. Wave Detail: Southeast 4 feet at 8 seconds. Intracoastal  waters choppy. A slight chance of showers and thunderstorms in  the afternoon.  WEDNESDAY NIGHT  South winds 15 to 20 knots, becoming southwest  5 to 10 knots after midnight. Seas 3 to 4 feet, occasionally to  5 feet. Wave Detail: Southeast 4 feet at 8 seconds. Intracoastal  waters choppy. A chance of showers and thunderstorms in the  evening, then a slight chance of showers after midnight.  THURSDAY  Southwest winds 5 to 10 knots. Seas around 3 feet.  Wave Detail: Southeast 3 feet at 9 seconds. Intracoastal waters  light chop. A chance of showers with a slight chance of  thunderstorms in the morning, then showers likely with a chance  of thunderstorms in the afternoon.  THURSDAY NIGHT  Southwest winds 5 to 10 knots. Seas 2 to  3 feet. Wave Detail: Southeast 3 feet at 9 seconds. Intracoastal  waters light chop. A slight chance of thunderstorms in the  evening. A chance of showers.  FRIDAY AND FRIDAY NIGHT  West winds 5 to 10 knots. Seas 2 to  3 feet. Wave Detail: Southeast 3 feet at 8 seconds. Intracoastal  waters light chop. Showers likely with a chance of thunderstorms.  SATURDAY  West winds 5 to 10 knots, increasing to 10 to  15 knots. Seas 2 to 3 feet. Intracoastal waters a moderate chop.  A chance of showers with a slight chance of thunderstorms in the  morning, then showers likely with a chance of thunderstorms  through the night. A chance of showers with a slight chance of  thunderstorms after midnight.  SUNDAY  Northeast winds 10 to 15 knots, becoming east. Seas  3 to 5 feet, occasionally to 6 feet. Intracoastal waters a  moderate chop. A slight chance of thunderstorms in the morning.  Showers. A chance of thunderstorms through the night, then a  slight chance of thunderstorms after midnight.    Winds and waves higher in and near thunderstorms.    $$