NWS Marine Forecast



 Hazardous marine condition(s):
 Small Craft Advisory
 Gale Warning
   AMZ400-070900-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  226 PM EDT Mon Apr 6 2026      .SYNOPSIS...    The Small Craft Advisory will remain in effect this morning for a  surge of northeasterly winds pushing north to south along the coast.  Strong onshore winds will continue through the week and will  intensify to Gale Force midday Tuesday through Wednesday night as  strong high pressure wedges in from the north. Strong onshore winds  with a long fetch will build seas to 10 to 15 feet Wednesday through  Thursday. Winds will gradually weaken through Thursday and Friday as  high pressure moves away before much improved conditions developing  this weekend.      .GULF STREAM...    The approximate location of the west wall of the Gulf Stream as of  Apr 06, 2026 at 0000 UTC...    58 nautical miles east of Flagler Beach.  66 nautical miles east of Saint Augustine Beach.  78 nautical miles east southeast of Jacksonville Beach.  80 nautical miles east southeast of St Simons Island.    This data derived from NCEP Global RTOFS model.      $$
   AMZ450-452-454-070900-  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-  226 PM EDT Mon Apr 6 2026    SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING  GALE WARNING IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE  WEDNESDAY NIGHT    REST OF TODAY  Northeast winds 20 to 25 knots. Seas 5 to  7 feet, occasionally to 9 feet. Wave Detail: Northeast 6 feet at  6 seconds and east 3 feet at 9 seconds. Intracoastal waters  rough. Showers likely with a slight chance of thunderstorms.  TONIGHT  Northeast winds 20 to 25 knots, increasing to 25 to  30 knots after midnight. Seas 6 to 9 feet, occasionally to  11 feet. Wave Detail: Northeast 9 feet at 7 seconds and east  5 feet at 9 seconds. Intracoastal waters very rough. A chance of  thunderstorms. A chance of showers in the evening, then showers  after midnight.  TUESDAY  Northeast winds 25 to 35 knots. Seas 9 to 12 feet,  occasionally to 15 feet. Wave Detail: Northeast 12 feet at  8 seconds. Intracoastal waters extremely rough. Showers likely  with a chance of thunderstorms in the morning, then a chance of  showers with a slight chance of thunderstorms in the afternoon.  TUESDAY NIGHT  Northeast winds 25 to 35 knots. Seas 10 to  14 feet, occasionally to 18 feet. Wave Detail: East 14 feet at  9 seconds. Intracoastal waters extremely rough. A slight chance  of thunderstorms. A chance of showers in the evening, then  showers likely after midnight.  WEDNESDAY  Northeast winds 25 to 35 knots. Seas 11 to 15 feet,  occasionally to 19 feet. Wave Detail: East 14 feet at 10 seconds.  Intracoastal waters extremely rough. Showers with a slight chance  of thunderstorms in the morning, then showers likely with a  chance of thunderstorms in the afternoon.  WEDNESDAY NIGHT  Northeast winds 25 to 35 knots. Seas 12 to  16 feet, occasionally to 20 feet. Wave Detail: East 15 feet at  10 seconds. Intracoastal waters extremely rough. A slight chance  of thunderstorms. Showers likely, mainly in the evening.  THURSDAY  Northeast winds 25 to 30 knots. Seas 10 to 14 feet,  occasionally to 18 feet, subsiding to 9 to 12 feet, occasionally  to 15 feet. Intracoastal waters very rough. Showers likely with a  slight chance of thunderstorms in the morning, then a chance of  thunderstorms in the afternoon. A chance of showers. A slight  chance of thunderstorms in the evening.  FRIDAY  Northeast winds 20 to 25 knots, diminishing to 10 to  15 knots. Seas 6 to 9 feet, occasionally to 11 feet, subsiding to  5 to 7 feet, occasionally to 9 feet after midnight. Intracoastal  waters rough. A slight chance of showers in the morning, then a  slight chance of showers and thunderstorms in the afternoon.    Winds and waves higher in and near thunderstorms.    $$