NWS Marine Forecast


   AMZ400-281545-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  833 PM EDT Mon Apr 27 2026      .SYNOPSIS...    Breezy northeasterly winds and elevated seas will persist over our  local waters this evening continuing advisory conditions over the  offshore waters of northeast Florida and southeast Georgia with  exercise caution conditions over the nearshore waters. High pressure  will weaken as it moves southeastward Tuesday, becoming positioned  off the southeastern seaboard, allowing for onshore winds and seas  to gradually subside through Tuesday night.    A cold front will approach from the northwest Wednesday, possibly  bringing a few showers and thunderstorms to the Georgia waters  during the afternoon and evening hours. This front will then  slowly move across the rest of our local waters on Thursday and  Thursday evening, accompanied by showers and thunderstorms. This  front will briefly shift south of our region on Friday before a  wave of low pressure develops over the Gulf this weekend, likely  spreading additional showers and thunderstorms across our local  waters during the upcoming weekend.      .GULF STREAM...    The approximate location of the west wall of the Gulf Stream as of  Apr 27, 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.  80 nautical miles east southeast of St Simons Island.    This data derived from NCEP Global RTOFS model.      $$
   AMZ452-454-281545-  Coastal waters from Fernandina Beach to St. Augustine FL out  20 NM-  Coastal waters from St. Augustine to Flagler Beach FL out 20 NM-  833 PM EDT Mon Apr 27 2026    SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 5 AM EDT  TUESDAY    REST OF TONIGHT  Northeast winds 15 to 20 knots, diminishing to  10 to 15 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave  Detail: Northeast 6 feet at 8 seconds. Intracoastal waters  choppy.  TUESDAY  East winds 5 to 10 knots. Seas 4 to 5 feet,  occasionally to 6 feet. Wave Detail: Northeast 5 feet at  9 seconds. Intracoastal waters light chop.  TUESDAY NIGHT  Southeast winds 5 to 10 knots. Seas 3 to 4 feet,  occasionally to 5 feet. Wave Detail: East 4 feet at 7 seconds.  Intracoastal waters light chop.  WEDNESDAY  South winds 5 to 10 knots, increasing to 10 to  15 knots in the afternoon. Seas 3 to 4 feet, occasionally to  5 feet. Wave Detail: Northeast 3 feet at 9 seconds and southeast  2 feet at 5 seconds. Intracoastal waters a moderate chop.  WEDNESDAY NIGHT  Southwest winds 10 to 15 knots, becoming west  after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Wave  Detail: Southeast 3 feet at 5 seconds and northeast 3 feet at  11 seconds. Intracoastal waters a moderate chop.  THURSDAY  Northwest winds 5 to 10 knots, becoming northeast in  the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave  Detail: Northeast 3 feet at 11 seconds and west 2 feet at  3 seconds. Intracoastal waters light chop. A chance of showers. A  chance of thunderstorms in the afternoon.  THURSDAY NIGHT  South winds around 5 knots, becoming northwest  after midnight. Seas 2 to 3 feet. Intracoastal waters smooth. A  slight chance of showers and thunderstorms in the evening.  FRIDAY  East winds 5 to 10 knots, becoming south 10 to  15 knots. Seas 2 to 3 feet. Intracoastal waters a moderate chop.  A slight chance of showers in the morning, then a chance of  showers and thunderstorms in the afternoon. A slight chance of  showers through the night.  SATURDAY  Southwest winds 15 to 20 knots, becoming northwest.  Seas 3 to 4 feet, occasionally to 5 feet. Intracoastal waters  choppy. A slight chance of showers in the morning, then a chance  of showers in the afternoon. A slight chance of thunderstorms.  Showers likely in the evening, then a chance of showers after  midnight.    Winds and waves higher in and near thunderstorms.    $$