Coastal Waters Forecast for Northeast Florida/Southeast Georgia

National Weather Service Jacksonville FL

Atlantic Coastal Waters from Altamaha Sound GA to Flagler Beach FL out to 60 nm. Seas are provided as a range of the average height of the highest 1/3 of the waves, along with the occasional height of the average highest 1/10 of the waves. Atlantic high pressure will sink slowly southward today as a strong cold front enters the southeastern states this evening. Breezy southerly winds will develop early this evening ahead of this approaching front, with this boundary moving from north to south across our local waters during the early to mid morning hours on Saturday. Strong high pressure building into the Ohio Valley in the wake of this frontal passage will wedge down the southeastern seaboard this weekend, creating a surge of strong northeasterly winds that will reach Gale thresholds throughout our local waters through early Sunday morning, with seas quickly building on Saturday afternoon. Coastal troughing will also develop over our near shore waters on Saturday afternoon, with this feature generating showers and possibly a few embedded thunderstorms, mainly for the northeast Florida waters through early Sunday afternoon. Strong high pressure will then migrate eastward off the Mid-Atlantic coast on Sunday afternoon, allowing for winds to shift to an easterly direction with gradually diminishing speeds. Small Craft Advisory conditions will prevail from Sunday through Monday morning, with seas gradually diminishing near shore by late Monday. Strong high pressure will then become centered near Bermuda by Tuesday, with breezy southeasterly winds forecast through midweek. .GULF STREAM. The approximate location of the west wall of the Gulf Stream as of Mar 26, 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. 66 nautical miles east southeast of St Simons Island. This data derived from NCEP Global RTOFS model.