NWS Marine Forecast


   AMZ400-161930-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  1221 AM EDT Sat May 16 2026      .SYNOPSIS...    High pressure ridge will set up north of the local waters today and  east to southeast winds will then strengthen this afternoon, likely  resulting in a period of Caution conditions for the near shore  waters through the evening hours. High pressure will continue to  extend its axis across the southeastern states from Sunday through  the middle portion of next week, keeping a persistent onshore wind  flow with late afternoon and evening wind surges expected. Isolated  showers and thunderstorms will be possible in this weather pattern  during the early to middle portions of next week. A frontal boundary  will then move over the southeastern states late next week resulting  in gradually increasing chances for showers and thunderstorms.      .GULF STREAM...    The approximate location of the west wall of the Gulf Stream as of  May 15, 2026 at 0000 UTC...    50 nautical miles east of Flagler Beach.  58 nautical miles east of Saint Augustine Beach.  70 nautical miles east southeast of Jacksonville Beach.  71 nautical miles east southeast of St Simons Island.    This data derived from NCEP Global RTOFS model.      $$
   AMZ450-452-454-161930-  Coastal waters from Altamaha Sound to Fernandina Beach FL out  20 NM-  Coastal waters from Fernandina Beach to St. Augustine FL out  20 NM-  Coastal waters from St. Augustine to Flagler Beach FL out 20 NM-  1221 AM EDT Sat May 16 2026    REST OF TONIGHT  East winds 15 knots. Seas 3 to 4 feet,  occasionally to 5 feet. Wave Detail: East 2 feet at 8 seconds.  Intracoastal waters a moderate chop. A slight chance of showers.  SATURDAY  Southeast winds 15 knots. Seas 3 to 4 feet,  occasionally to 5 feet. Wave Detail: Northeast 3 feet at 7 seconds  and east 2 feet at 8 seconds. Intracoastal waters a moderate  chop. A slight chance of showers in the morning.  SATURDAY NIGHT  Southeast winds 15 knots. Seas 3 to 4 feet,  occasionally to 5 feet. Wave Detail: East 2 feet at 9 seconds.  Intracoastal waters a moderate chop.  SUNDAY  Southeast winds 10 to 15 knots. Seas 3 to 4 feet,  occasionally to 5 feet. Wave Detail: Southeast 3 feet at  8 seconds. Intracoastal waters a moderate chop.  SUNDAY NIGHT THROUGH MONDAY NIGHT  Southeast winds 10 to  15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail:  Southeast 3 feet at 8 seconds. Intracoastal waters a moderate  chop.  TUESDAY THROUGH WEDNESDAY  South winds 10 to 15 knots. Seas  2 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at  7 seconds. Intracoastal waters a moderate chop.    $$