NWS Marine Forecast


   AMZ400-310330-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  818 AM EDT Mon Mar 30 2026      .SYNOPSIS...    Strong high pressure situated off the New England coast will migrate  slowly east-southeastward through tonight, becoming centered near  Bermuda on Tuesday. This feature will continue to extend its axis  across the southeastern states this week, maintaining breezy  onshore winds, especially offshore. Small Craft Advisory level  seas will continue for offshore waters through early this  evening, with seas then gradually diminishing near shore.  Elevated seas will persist offshore through midweek, with another  round of Small Craft Advisory level seas possible late this week  for the offshore waters adjacent to northeast Florida. Meanwhile,  coastal troughing positioned over the northeast Florida waters  will continue to generate isolated to widely scattered showers,  with a few embedded thunderstorms possible on Tuesday and  Wednesday. This trough will lift northward by midweek, with  another inverted trough then approaching our waters from the east  late this week that will likely generate scattered showers and  thunderstorms.      .GULF STREAM...    The approximate location of the west wall of the Gulf Stream as of  Mar 29, 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.  80 nautical miles east southeast of St Simons Island.    This data derived from NCEP Global RTOFS model.      $$
   AMZ452-454-310330-  Coastal waters from Fernandina Beach to St. Augustine FL out  20 NM-  Coastal waters from St. Augustine to Flagler Beach FL out 20 NM-  818 AM EDT Mon Mar 30 2026    SMALL CRAFT EXERCISE CAUTION THROUGH LATE TONIGHT    REST OF TODAY  East winds 10 to 15 knots. Seas 5 to 6 feet,  occasionally to 7 feet. Wave Detail: East 5 feet at 10 seconds.  Intracoastal waters a moderate chop.  TONIGHT  Southeast winds 5 to 10 knots. Seas 4 to 6 feet,  occasionally to 7 feet. Wave Detail: East 5 feet at 9 seconds.  Intracoastal waters light chop.  TUESDAY  East winds 5 to 10 knots. Seas 3 to 5 feet,  occasionally to 6 feet. Wave Detail: East 4 feet at 9 seconds.  Intracoastal waters light chop. A slight chance of showers and  thunderstorms.  TUESDAY NIGHT  Southeast winds 5 to 10 knots. Seas 3 to 4 feet,  occasionally to 5 feet. Wave Detail: East 4 feet at 9 seconds.  Intracoastal waters light chop.  WEDNESDAY  East winds 5 to 10 knots. Seas 3 to 4 feet,  occasionally to 5 feet. Wave Detail: East 4 feet at 9 seconds.  Intracoastal waters light chop. A slight chance of thunderstorms.  A chance of showers, mainly in the morning.  WEDNESDAY NIGHT  Southeast winds around 10 knots. Seas 3 to  4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at  9 seconds. Intracoastal waters light chop.  THURSDAY  Southeast winds 10 to 15 knots. Seas 3 to 5 feet,  occasionally to 6 feet. Intracoastal waters a moderate chop. A  slight chance of showers in the morning, then a chance of showers  with a slight chance of thunderstorms in the afternoon. A slight  chance of showers through the night.  FRIDAY  Southeast winds 10 to 15 knots. Seas 4 to 6 feet,  occasionally to 8 feet. Intracoastal waters a moderate chop. A  slight chance of showers in the morning, then a slight chance of  showers and thunderstorms in the afternoon.    Winds and waves higher in and near thunderstorms.    $$