NWS Marine Forecast



 Hazardous marine condition(s):
 Small Craft Advisory
   AMZ400-270345-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  836 AM EDT Sun Apr 26 2026      .SYNOPSIS...    High pressure shifts east of area waters through today. A cold front  will then drop south towards the today and will cross our local  waters tonight, with low pressure along this front strengthening  somewhat off the Carolina coast by Monday. Winds will shift to  northerly on Sunday night and then northeasterly by Monday morning,  with Caution to marginal Small Craft Advisory conditions likely  later today into tonight. Scattered showers and isolated  thunderstorms will be possible today and tonight ahead of the  boundary. Weak high pressure will then briefly build over our local  waters on Tuesday and Wednesday before another cold front will then  approach our area from the northwest late next week.      .GULF STREAM...    The approximate location of the west wall of the Gulf Stream as of  Apr 25, 2026 at 0000 UTC...    50 nautical miles east of Flagler Beach.  53 nautical miles east of Saint Augustine Beach.  64 nautical miles east southeast of Jacksonville Beach.  76 nautical miles east southeast of St Simons Island.    This data derived from NCEP Global RTOFS model.      $$
   AMZ450-452-270345-  Coastal waters from Altamaha Sound to Fernandina Beach FL out  20 NM-  Coastal waters from Fernandina Beach to St. Augustine FL out  20 NM-  836 AM EDT Sun Apr 26 2026    SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH  MONDAY EVENING    REST OF TODAY  Southwest winds 5 to 10 knots, becoming  southeast this afternoon. Seas around 2 feet. Wave Detail:  Southeast 2 feet at 5 seconds. Intracoastal waters light chop. A  slight chance of showers and thunderstorms this afternoon. Patchy  smoke this afternoon.  TONIGHT  East winds 5 to 10 knots, becoming northeast 15 to  20 knots after midnight. Seas 2 to 3 feet. Wave Detail: Northeast  3 feet at 5 seconds. Intracoastal waters choppy. A chance of  showers with a slight chance of thunderstorms in the evening.  MONDAY  Northeast winds 15 to 20 knots. Seas 3 to 5 feet,  occasionally to 6 feet. Wave Detail: Northeast 5 feet at  5 seconds and northeast 3 feet at 8 seconds. Intracoastal waters  choppy.  MONDAY NIGHT  Northeast winds 15 to 20 knots, diminishing to  5 to 10 knots after midnight. Seas 3 to 5 feet, occasionally to  6 feet. Wave Detail: Northeast 5 feet at 8 seconds. Intracoastal  waters choppy.  TUESDAY  East winds 5 to 10 knots. Seas 3 to 5 feet,  occasionally to 6 feet. Wave Detail: East 5 feet at 9 seconds.  Intracoastal waters light chop.  TUESDAY NIGHT  South winds around 10 knots. Seas 2 to 4 feet,  occasionally to 5 feet. Wave Detail: East 4 feet at 8 seconds.  Intracoastal waters light chop.  WEDNESDAY  South winds 10 to 15 knots, becoming southwest. Seas  2 to 4 feet, occasionally to 5 feet. Intracoastal waters a  moderate chop. A slight chance of showers. A slight chance of  thunderstorms through the night.  THURSDAY  North winds 5 to 10 knots, increasing to 10 to  15 knots. Seas 2 to 4 feet, occasionally to 5 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 in the  evening.    Winds and waves higher in and near thunderstorms.    $$