NWS Marine Forecast



 Hazardous marine condition(s):
 Small Craft Advisory
   AMZ400-292330-  Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm-  417 AM EDT Sun Mar 29 2026      .SYNOPSIS...    Strong high pressure centered near the Chesapeake Bay will  continue to wedge down the southeastern seaboard today, with  this feature then shifting eastward over the western Atlantic  waters tonight and Monday. Small Craft Advisory conditions will  prevail through tonight throughout our local waters, with elevated  seas keeping Small Craft Advisory conditions in place on Monday  across the northeast Florida waters. Meanwhile, coastal troughing  will remain situated over the northeast Florida waters through  Tuesday, generating occasional showers through Tuesday, with  isolated embedded thunderstorms possible on Monday and Tuesday.  Atlantic high pressure positioned near Bermuda will continue to  extend its axis westward across the southeastern states during the  middle to late portions of this week, maintaining breezy  southeasterly winds across our local waters, with elevated seas  persisting offshore.      .GULF STREAM...    The approximate location of the west wall of the Gulf Stream as of  Mar 28, 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.  84 nautical miles east southeast of St Simons Island.    This data derived from NCEP Global RTOFS model.    $$
   AMZ452-454-292330-  Coastal waters from Fernandina Beach to St. Augustine FL out  20 NM-  Coastal waters from St. Augustine to Flagler Beach FL out 20 NM-  417 AM EDT Sun Mar 29 2026    SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON    TODAY  East northeast winds 20 to 25 knots. Seas 9 to 12 feet,  occasionally to 15 feet, subsiding to 8 to 10 feet, occasionally  to 13 feet this afternoon. Wave Detail: East 12 feet at 10  seconds, becoming east 10 feet at 10 seconds. Intracoastal waters  rough. A slight chance of showers.  TONIGHT  East winds 15 to 20 knots, diminishing to around 15  knots after midnight. Seas 6 to 9 feet, occasionally to 11 feet.  Wave Detail: East 9 feet at 10 seconds. Intracoastal waters  becoming a moderate chop. A slight chance of showers in the  evening, then a chance of showers after midnight.  MONDAY  East winds 10 to 15 knots. Seas 5 to 7 feet,  occasionally to 9 feet. Wave Detail: East 7 feet at 10 seconds.  Intracoastal waters a light chop. A chance of showers with a  slight chance of thunderstorms.  MONDAY NIGHT  Southeast winds 5 to 10 knots. Seas 4 to 6 feet,  occasionally to 8 feet. Wave Detail: East 6 feet at 9 seconds.  Intracoastal waters mostly smooth. A slight chance of showers in  the evening.  TUESDAY  Southeast winds 10 to 15 knots. Seas 4 to 5 feet,  occasionally to 6 feet. Wave Detail: East 5 feet at 9 seconds.  Intracoastal waters a light chop. A chance of showers with a  slight chance of thunderstorms.  TUESDAY NIGHT  Southeast winds 10 to 15 knots, diminishing to  5 to 10 knots after midnight. Seas 4 to 5 feet, occasionally to  6 feet. Wave Detail: East 5 feet at 9 seconds. Intracoastal  waters becoming mostly smooth.  WEDNESDAY THROUGH THURSDAY  Southeast winds 10 to 15 knots.  Seas 4 to 5 feet, occasionally to 6 feet. Intracoastal waters a  light chop. A slight chance of showers and thunderstorms.    Winds and waves higher in and near thunderstorms.    $$