NWS Marine Forecast


   AMZ400-301315-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  605 PM EDT Mon Jun 29 2026      .SYNOPSIS...    A backdoor front will push into the waters this evening, shifting  prevailing wind to northeasterly Tuesday and Wednesday. The onshore  flow will keep thunderstorm activity well inland through the middle  of the week. The front will settle south of the waters through  Saturday before it lifts back northward into the area as remnant  inverted trough Thursday resulting in an increase in rain and storm  chances. As surface high pressure builds to the south, a weak  southwesterly flow will develop into the Independence Day holiday  weekend and increase chances for thunderstorms.      .GULF STREAM...    The approximate location of the west wall of the Gulf Stream as of  Jun 29, 2026 at 0000 UTC...    46 nautical miles east of Flagler Beach.  53 nautical miles east of Saint Augustine Beach.  60 nautical miles east southeast of Jacksonville Beach.  68 nautical miles east southeast of St Simons Island.    This data derived from NCEP Global RTOFS model.      $$
   AMZ452-454-301315-  Coastal waters from Fernandina Beach to St. Augustine FL out  20 NM-  Coastal waters from St. Augustine to Flagler Beach FL out 20 NM-  605 PM EDT Mon Jun 29 2026    TONIGHT  South winds 5 to 10 knots, becoming north after  midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at  9 seconds. Intracoastal waters light chop. A slight chance of  showers and thunderstorms.  TUESDAY  Northeast winds 10 to 15 knots. Seas 2 to 4 feet,  occasionally to 5 feet. Wave Detail: Northeast 4 feet at  6 seconds and northeast 2 feet at 3 seconds. Intracoastal waters  a moderate chop. A slight chance of showers and thunderstorms.  TUESDAY NIGHT  Northeast winds 10 to 15 knots. Seas 3 to  4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at  6 seconds. Intracoastal waters a moderate chop. A slight chance  of showers and thunderstorms after midnight.  WEDNESDAY  Northeast winds 10 to 15 knots. Seas 3 to 4 feet,  occasionally to 5 feet. Wave Detail: Northeast 4 feet at  7 seconds. Intracoastal waters a moderate chop. A slight chance  of showers and thunderstorms in the morning.  WEDNESDAY NIGHT  East winds 10 to 15 knots, diminishing to 5 to  10 knots after midnight. Seas 3 to 4 feet, occasionally to  5 feet. Wave Detail: Northeast 4 feet at 7 seconds. Intracoastal  waters a moderate chop.  THURSDAY  Northeast winds 5 to 10 knots. Seas 3 to 4 feet,  occasionally to 5 feet. Wave Detail: East 4 feet at 8 seconds.  Intracoastal waters light chop. A slight chance of showers in the  morning.  THURSDAY NIGHT  East winds 5 to 10 knots, becoming south after  midnight. Seas around 3 feet. Intracoastal waters light chop.  FRIDAY  Southeast winds 10 to 15 knots, becoming south. Seas  2 to 3 feet. Intracoastal waters a moderate chop. A slight chance  of showers and thunderstorms through the day.  SATURDAY  South winds 10 to 15 knots. Seas 2 to 3 feet.  Intracoastal waters a moderate chop. A slight chance of showers  and thunderstorms in the morning, then a chance of showers and  thunderstorms in the afternoon.    Winds and waves higher in and near thunderstorms.    $$