NWS Marine Forecast


   AMZ400-271400-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  652 PM EDT Fri Jun 26 2026      .SYNOPSIS...    Atlantic high pressure will extend westward across the Florida  Peninsula just south of the area waters through the weekend. A  pattern of overnight to early morning light westerly offshore winds  and afternoon southeasterly winds expected due to sea breeze  circulations. Afternoon and early evening isolated to scattered  storms will develop across the nearshore waters each day into  Sunday. A weak back door frontal boundary will approach the waters  on Monday, supporting increased coverage for showers and  thunderstorms for the first part of early next week.      .GULF STREAM...    The approximate location of the west wall of the Gulf Stream as of  Jun 26, 2026 at 0000 UTC...    46 nautical miles east of Flagler Beach.  53 nautical miles east of Saint Augustine Beach.  64 nautical miles east southeast of Jacksonville Beach.  71 nautical miles east southeast of St Simons Island.    This data derived from NCEP Global RTOFS model.      $$
   AMZ450-452-454-271400-  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-  652 PM EDT Fri Jun 26 2026    REST OF TONIGHT  South winds 10 to 15 knots, becoming southwest  5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at  4 seconds. Intracoastal waters a moderate chop. A chance of  showers and thunderstorms early, then a slight chance of showers  and thunderstorms this evening.  SATURDAY  Southwest winds 5 to 10 knots, becoming southeast  10 to 15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail:  Southeast 3 feet at 5 seconds and east 2 feet at 8 seconds.  Intracoastal waters a moderate chop. A slight chance of showers  and thunderstorms in the afternoon.  SATURDAY NIGHT  South winds 10 to 15 knots. Seas 2 to 4 feet,  occasionally to 5 feet. Wave Detail: Southeast 3 feet at  5 seconds and east 2 feet at 8 seconds. Intracoastal waters a  moderate chop.  SUNDAY  Southwest winds 5 to 10 knots, becoming south 10 to  15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail:  Southeast 3 feet at 8 seconds and southeast 2 feet at 5 seconds.  Intracoastal waters a moderate chop.  SUNDAY NIGHT  South winds 10 to 15 knots, becoming southwest  5 to 10 knots after midnight. Seas 2 to 3 feet. Wave Detail:  Southeast 3 feet at 8 seconds and south 2 feet at 4 seconds.  Intracoastal waters a moderate chop. A slight chance of showers  in the evening.  MONDAY AND MONDAY NIGHT  West winds 5 to 10 knots. Seas 2 to  3 feet. Wave Detail: Southeast 2 feet at 5 seconds and east  2 feet at 9 seconds. Intracoastal waters light chop. A chance of  showers and thunderstorms.  TUESDAY  Northeast winds 5 to 10 knots, becoming east. Seas  around 2 feet. Intracoastal waters light chop. A chance of  showers and thunderstorms through the day, then a slight chance  of thunderstorms in the evening. A slight chance of showers  through the night.  WEDNESDAY  East winds 5 to 10 knots. Seas 2 to 3 feet.  Intracoastal waters light chop. A slight chance of showers and  thunderstorms through the day.    Winds and waves higher in and near thunderstorms.    $$