NWS Marine Forecast


   AMZ400-260900-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  224 PM EDT Mon May 25 2026      .SYNOPSIS...    A stalled frontal boundary stretching across the Mid-Atlantic states  and the Ohio, Tennessee and lower Mississippi Valleys will lift  slowly northward tonight and Tuesday as Atlantic high pressure  centered near Bermuda expands westward towards the southeastern  seaboard. Breezy southeast to southerly winds will continue through  midweek across our local waters, with Caution conditions prevailing  during the afternoon and evening hours as wind speeds surge to just  below Small Craft Advisory levels. High pressure positioned off the  southeastern seaboard will weaken later this week as a cold front  shifts southward towards our local waters during the upcoming  weekend. Scattered showers and thunderstorms will tend to develop  during the overnight and morning hours on Tuesday and Wednesday,  with activity then increasing in coverage and frequency from Friday  through the upcoming weekend.      .GULF STREAM...    The approximate location of the west wall of the Gulf Stream as of  May 25, 2026 at 0000 UTC...    46 nautical miles east of Flagler Beach.  53 nautical miles east of Saint Augustine Beach.  64 nautical miles east southeast of Jacksonville Beach.  76 nautical miles east southeast of St Simons Island.    This data derived from NCEP Global RTOFS model.      $$
   AMZ470-472-474-260900-  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-  224 PM EDT Mon May 25 2026    SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH TUESDAY  MORNING    REST OF TODAY  Southeast winds 15 to 20 knots. Seas 4 to  5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at  8 seconds and southeast 2 feet at 5 seconds.  TONIGHT  Southeast winds 15 to 20 knots. Seas 5 to 6 feet,  occasionally to 8 feet. Wave Detail: Southeast 5 feet at  7 seconds. A slight chance of showers and thunderstorms after  midnight.  TUESDAY  South winds 15 to 20 knots. Seas 4 to 5 feet,  occasionally to 6 feet. Wave Detail: South 5 feet at 6 seconds. A  slight chance of showers in the morning.  TUESDAY NIGHT  South winds 15 to 20 knots. Seas 4 to 5 feet,  occasionally to 6 feet. Wave Detail: Southeast 5 feet at  8 seconds and southeast 2 feet at 5 seconds. A slight chance of  showers.  WEDNESDAY  South winds 10 to 15 knots. Seas 4 to 5 feet,  occasionally to 6 feet. Wave Detail: Southeast 4 feet at  8 seconds. A slight chance of showers and thunderstorms.  WEDNESDAY NIGHT  South winds 10 to 15 knots. Seas 4 to 5 feet,  occasionally to 6 feet. Wave Detail: Southeast 4 feet at  9 seconds and south 2 feet at 5 seconds. A slight chance of  thunderstorms in the evening. A chance of showers.  THURSDAY  Southwest winds 5 to 10 knots. Seas 3 to 4 feet,  occasionally to 5 feet. A chance of showers in the morning. A  slight chance of thunderstorms through the day. A slight chance  of showers in the afternoon, then a chance of thunderstorms in  the evening. A chance of showers through the night. A slight  chance of thunderstorms after midnight.  FRIDAY  South winds 5 to 10 knots, becoming southwest 10 to  15 knots. Seas 2 to 3 feet. A slight chance of showers and  thunderstorms in the morning, then a chance of showers in the  afternoon. A chance of thunderstorms through the night. Showers  likely in the evening, then a chance of showers with a slight  chance of thunderstorms after midnight.    Winds and seas higher in and near thunderstorms.    $$