NWS Marine Forecast



 Hazardous marine condition(s):
 Gale Warning
 Small Craft Advisory
   AMZ400-250900-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  225 PM EDT Tue Mar 24 2026      .SYNOPSIS...    A strong cold front will move south of the waters this afternoon.  Gale warnings and small craft advisories are in effect for a strong  northeasterly wind surge behind the front today through Wednesday.  Scattered showers and possibly a thunderstorm are expected today  through tonight mainly across the northeast Florida waters. High  pressure will then begin to build in from the north Wednesday night  resulting in winds lowering but seas will remain elevated and rough.  Another cold front will enter the southeast states on Friday night,  crossing our local waters on Saturday. Strong high pressure will  again build to the north of our area in the wake of this front,  resulting in another surge of onshore winds throughout our local  waters and possible Gale conditions during the weekend.      .GULF STREAM...    The approximate location of the west wall of the Gulf Stream as of  Mar 24, 2026 at 0000 UTC...    54 nautical miles east of Flagler Beach.  62 nautical miles east of Saint Augustine Beach.  74 nautical miles east southeast of Jacksonville Beach.  71 nautical miles east southeast of St Simons Island.    This data derived from NCEP Global RTOFS model.      $$
   AMZ452-472-250900-  Coastal waters from Fernandina Beach to St. Augustine FL out  20 NM-  Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM-  225 PM EDT Tue Mar 24 2026    GALE WARNING IN EFFECT UNTIL 2 AM EDT WEDNESDAY  SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT WEDNESDAY THROUGH  WEDNESDAY AFTERNOON    REST OF TODAY  Northeast winds 25 to 30 knots with gusts up to  40 knots. Seas 7 to 10 feet, occasionally to 13 feet. Wave  Detail: Northeast 10 feet at 7 seconds. Intracoastal waters very  rough. A chance of showers with a slight chance of thunderstorms.  TONIGHT  Northeast winds 20 to 25 knots with gusts up to  35 knots, diminishing to 15 to 20 knots after midnight. Seas 8 to  11 feet, occasionally to 14 feet. Wave Detail: Northeast 11 feet  at 9 seconds. Intracoastal waters rough. A slight chance of  thunderstorms. A chance of showers in the evening, then showers  likely after midnight.  WEDNESDAY  Northeast winds 15 to 20 knots. Seas 6 to 9 feet,  occasionally to 11 feet. Wave Detail: Northeast 9 feet at  10 seconds. Intracoastal waters choppy. A slight chance of  thunderstorms. A chance of showers, mainly in the morning.  WEDNESDAY NIGHT  Northeast winds 10 to 15 knots, diminishing to  5 to 10 knots after midnight. Seas 5 to 7 feet, occasionally to  9 feet. Wave Detail: East 6 feet at 9 seconds. Intracoastal  waters a moderate chop. A slight chance of showers.  THURSDAY  Northeast winds 5 to 10 knots. Seas 3 to 5 feet,  occasionally to 6 feet. Wave Detail: East 5 feet at 8 seconds.  Intracoastal waters light chop.  THURSDAY NIGHT  Southeast winds around 5 knots, becoming south  after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Wave  Detail: East 4 feet at 8 seconds. Intracoastal waters smooth.  FRIDAY  South winds 5 to 10 knots, becoming southwest 15 to  20 knots. Seas around 3 feet. Intracoastal waters choppy.  SATURDAY  Northeast winds 25 to 35 knots. Seas 4 to 6 feet,  occasionally to 8 feet, building to 13 to 15 feet, occasionally  to 19 feet. Intracoastal waters extremely rough. A slight chance  of showers and thunderstorms in the afternoon. A slight chance of  showers through the night.    Winds and waves higher in and near thunderstorms.    $$