NWS Marine Forecast


   AMZ400-050045-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  532 AM EDT Sat Jul 4 2026      .SYNOPSIS...    High pressure builds across central and south Florida this weekend  into early next week with a transition to south to southwest flow  over the local waters and higher afternoon and evening thunderstorm  chances over the local waters. Nightly wind surges return with near  exercise caution levels developing by Sunday night.    .GULF STREAM...    The approximate location of the west wall of the Gulf Stream as of  Jul 03, 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.  80 nautical miles east southeast of St Simons Island.    This data derived from NCEP Global RTOFS model.      $$
   AMZ470-472-474-050045-  Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to  60 NM-  Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM-  Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM-  532 AM EDT Sat Jul 4 2026    TODAY  West winds around 5 knots, becoming southeast 5 to 10  knots this afternoon. Seas 2 to 3 feet. Wave Detail: East 3 feet  at 8 seconds. Slight chance of a shower.  TONIGHT  Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave  Detail: South 2 feet at 4 seconds and east 2 feet at 8 seconds.  SUNDAY  Southwest winds 5 to 10 knots, becoming south 10 to  15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: South  2 feet at 5 seconds and east 2 feet at 8 seconds.  SUNDAY NIGHT  South around 15 knots, become southwest 10 to 15  knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet.  Wave Detail: South 3 feet at 5 seconds and east 2 feet at 8  seconds. A slight chance of showers and thunderstorms in the  evening, then a chance of showers and thunderstorms after  midnight.  MONDAY  Southwest winds 5 to 10 knots, becoming south 15 to  20 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: South  3 feet at 5 seconds. A slight chance of showers and thunderstorms  in the morning.  MONDAY NIGHT  South winds 15 to 20 knots, becoming southwest  10 to 15 knots after midnight. Seas 3 to 4 feet, occasionally to  5 feet. Wave Detail: South 4 feet at 5 seconds. A slight chance  of showers and thunderstorms in the evening.  TUESDAY  Southwest winds 10 to 15 knots, increasing to 15 to  20 knots. Seas 2 to 4 feet, occasionally to 5 feet.  WEDNESDAY  Southwest winds 10 to 15 knots, increasing to 15 to  20 knots. Seas 2 to 4 feet, occasionally to 5 feet. A slight  chance of showers and thunderstorms through the night.    Winds and seas higher in and near thunderstorms.    $$