NWS Marine Forecast



 Hazardous marine condition(s):
 Small Craft Advisory
   AMZ400-312100-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  225 AM EDT Sat Oct 31 2026      .SYNOPSIS...    A strong high pressure ridge will build southward across area waters  today behind a weakening cold front. This ridging will then wedge  down the southeastern seaboard this weekend and early next week. A  slight surge in northeasterly winds today will return hazards across  the coastal waters once again for the weekend. A wavy stationary  frontal boundary lifting slowly northward across the Florida  peninsula late this weekend will return more numerous showers and a  few embedded thunderstorms on Sunday and Monday across our local  waters. High pressure will then build more northeast of the region  towards mid week before another cold front approaches from the  northwest.      .GULF STREAM...    The approximate location of the west wall of the Gulf Stream as of  Oct 30, 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.      $$
   AMZ450-452-454-312100-  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-  225 AM EDT Sat Oct 31 2026    SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 2 PM EDT THIS  AFTERNOON  SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON  THROUGH SUNDAY EVENING    REST OF TONIGHT  Northeast winds 10 to 15 knots. Seas 4 to  5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at  9 seconds. Intracoastal waters a moderate chop. A slight chance  of showers.  SATURDAY  Northeast winds 15 to 20 knots, increasing to 20 to  25 knots in the afternoon. Seas 5 to 7 feet, occasionally to  9 feet. Wave Detail: East 7 feet at 8 seconds and northeast  2 feet at 3 seconds. Intracoastal waters rough. A slight chance  of showers in the morning, then a chance of showers in the  afternoon.  SATURDAY NIGHT  East winds 20 to 25 knots. Seas 6 to 8 feet,  occasionally to 10 feet. Wave Detail: East 8 feet at 7 seconds.  Intracoastal waters rough. A chance of showers.  SUNDAY  East winds around 20 knots. Seas 6 to 8 feet,  occasionally to 10 feet. Wave Detail: East 8 feet at 8 seconds.  Intracoastal waters choppy. A chance of showers in the morning,  then showers likely with a slight chance of thunderstorms in the  afternoon.  SUNDAY NIGHT AND MONDAY  East winds 20 to 25 knots. Seas 6 to  8 feet, occasionally to 10 feet. Wave Detail: East 8 feet at  8 seconds. Intracoastal waters rough. Showers likely with a  slight chance of thunderstorms.  MONDAY NIGHT  East winds 15 to 20 knots. Seas 5 to 6 feet,  occasionally to 8 feet. Wave Detail: East 6 feet at 8 seconds.  Intracoastal waters choppy. A chance of showers. A chance of  thunderstorms, mainly in the evening.  TUESDAY  East winds 10 to 15 knots. Seas 4 to 6 feet,  occasionally to 8 feet. Intracoastal waters a moderate chop. A  slight chance of thunderstorms in the morning. A chance of  showers through the day. A chance of thunderstorms in the  afternoon, then a slight chance of showers and thunderstorms  through the night.  WEDNESDAY  Southeast winds 5 to 10 knots. Seas 4 to 5 feet,  occasionally to 6 feet. Intracoastal waters light chop. A slight  chance of showers and thunderstorms in the morning, then a slight  chance of showers through the night.    Winds and waves higher in and near thunderstorms.    $$