NWS Marine Forecast


   AMZ400-020900-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  224 PM EDT Mon Jun 1 2026      .SYNOPSIS...    A weak cold front will move south of the waters today, and then  dissipate. A stronger cold front will move into the area waters on  Tuesday, followed by strengthening northeast winds in the wake of  this frontal passage, creating Small Craft Advisory conditions from  late Tuesday night through at least Thursday morning throughout our  local waters. Breezy onshore winds and elevated seas are expected  through Thursday night as high pressure gradually weakens over the  southeastern states. Otherwise, additional rounds of thunderstorms  are forecast today through Tuesday evening with heavy rainfall and  gusty winds expected at times.      .GULF STREAM...    The approximate location of the west wall of the Gulf Stream as of  Jun 01, 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.  76 nautical miles east southeast of St Simons Island.    This data derived from NCEP Global RTOFS model.      $$
   AMZ450-452-454-020900-  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-  224 PM EDT Mon Jun 1 2026    REST OF TODAY  North winds 5 to 10 knots. Seas around 2 feet.  Wave Detail: Northeast 2 feet at 10 seconds. Intracoastal waters  light chop. A slight chance of showers and thunderstorms.  TONIGHT  West winds around 5 knots. Seas 2 to 3 feet. Wave  Detail: Northeast 2 feet at 8 seconds. Intracoastal waters  smooth.  TUESDAY  Northwest winds around 5 knots, becoming east 10 to  15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail:  Northeast 3 feet at 11 seconds. Intracoastal waters a moderate  chop. A slight chance of showers and thunderstorms in the  morning, then showers and thunderstorms likely in the afternoon.  TUESDAY NIGHT  Northeast winds 25 to 30 knots. Seas 5 to  7 feet, occasionally to 9 feet. Wave Detail: Northeast 7 feet at  7 seconds. Intracoastal waters very rough. Showers with a chance  of thunderstorms in the evening, then showers likely with a  slight chance of thunderstorms after midnight.  WEDNESDAY  Northeast winds 25 to 30 knots, diminishing to 20 to  25 knots in the afternoon. Seas 7 to 9 feet, occasionally to  11 feet. Wave Detail: Northeast 9 feet at 8 seconds. Intracoastal  waters very rough. A chance of showers with a slight chance of  thunderstorms.  WEDNESDAY NIGHT  Northeast winds 20 to 25 knots. Seas 6 to  9 feet, occasionally to 11 feet. Wave Detail: Northeast 9 feet at  8 seconds. Intracoastal waters rough.  THURSDAY  East winds 15 to 20 knots. Seas 5 to 7 feet,  occasionally to 9 feet, subsiding to 3 to 5 feet, occasionally to  6 feet. Intracoastal waters choppy. A slight chance of showers  through the night.  FRIDAY  East winds 10 to 15 knots, diminishing to 5 to  10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Intracoastal  waters a moderate chop.    Winds and waves higher in and near thunderstorms.    $$