Coastal Waters Forecast
Issued by NWS Jacksonville, FL
Issued by NWS Jacksonville, FL
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820 FZUS52 KJAX 081825 CWFJAX Coastal Waters Forecast for Northeast Florida/Southeast Georgia National Weather Service Jacksonville FL 225 PM EDT Fri May 8 2026 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. AMZ400-090900- Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm- 225 PM EDT Fri May 8 2026 .SYNOPSIS... A cold front will push south of the local waters today, before lifting back northward into the waters later tonight and remain in place as a stationary front this weekend. Periods of showers and thunderstorms are expected through this weekend, with strong to isolated severe thunderstorms possible. A stronger cold front will then push through the local waters on Monday. Northwesterly winds will strengthen to Caution levels late Monday evening in the wake of the frontal passage, with winds quickly shifting to northerly Monday Night and increasing to Small Craft Advisory levels on Tuesday as high pressure builds north of the region. .GULF STREAM... The approximate location of the west wall of the Gulf Stream as of May 08, 2026 at 0000 UTC... 50 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. $$ AMZ450-452-454-090900- 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 PM EDT Fri May 8 2026 .REST OF TODAY...Northeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Northeast 2 feet at 5 seconds. Intracoastal waters a moderate chop. A chance of showers with a slight chance of thunderstorms. .TONIGHT...East winds 5 to 10 knots, becoming south after midnight. Seas around 2 feet. Wave Detail: Northeast 2 feet at 5 seconds. Intracoastal waters light chop. A chance of showers with a slight chance of thunderstorms. .SATURDAY...South winds 5 to 10 knots, becoming southeast in the afternoon. Seas around 2 feet. Wave Detail: Northeast 2 feet at 6 seconds. Intracoastal waters light chop. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .SATURDAY NIGHT...Southeast winds around 5 knots, becoming southwest after midnight. Seas around 2 feet. Wave Detail: Northeast 2 feet at 7 seconds. Intracoastal waters smooth. A slight chance of thunderstorms in the evening. A slight chance of showers. .SUNDAY...Northwest winds around 5 knots, becoming east around 5 knots in the afternoon. Seas around 2 feet. Wave Detail: East 2 feet at 8 seconds. Intracoastal waters smooth. A chance of showers and thunderstorms in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. .SUNDAY NIGHT...South winds around 5 knots. Seas around 2 feet. Wave Detail: East 2 feet at 10 seconds. Intracoastal waters smooth. A slight chance of showers in the evening. .MONDAY...Southwest winds 5 to 10 knots, becoming northwest 20 to 25 knots. Seas 2 to 4 feet, occasionally to 5 feet. Intracoastal waters rough. A chance of showers with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms through the night. A slight chance of showers after midnight. .TUESDAY...Northeast winds 20 to 25 knots, becoming east 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Intracoastal waters rough. A slight chance of showers in the morning. Winds and waves higher in and near thunderstorms. $$ AMZ470-472-474-090900- 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- 225 PM EDT Fri May 8 2026 .REST OF TODAY...Northeast winds around 10 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 5 seconds and south 2 feet at 4 seconds. A slight chance of showers and thunderstorms. .TONIGHT...East winds 5 to 10 knots, becoming south after midnight. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 6 seconds. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. .SATURDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 7 seconds. A chance of showers with a slight chance of thunderstorms. .SATURDAY NIGHT...South winds around 5 knots. Seas around 2 feet. Wave Detail: East 2 feet at 8 seconds. A slight chance of showers and thunderstorms. .SUNDAY...West winds around 5 knots, becoming east in the afternoon. Seas around 2 feet. Wave Detail: East 2 feet at 9 seconds. A chance of showers with a slight chance of thunderstorms. .SUNDAY NIGHT...South winds 5 to 10 knots, becoming southwest after midnight. Seas around 2 feet. Wave Detail: East 2 feet at 10 seconds. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. .MONDAY...Southwest winds 5 to 10 knots, becoming northwest 20 to 25 knots. Seas 2 to 3 feet, building to 3 to 5 feet, occasionally to 6 feet after midnight. A slight chance of showers in the morning, then showers likely with a chance of thunderstorms through the night. A slight chance of showers after midnight. .TUESDAY...Northeast winds 20 to 25 knots, becoming east 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. A slight chance of showers through the day. Winds and seas higher in and near thunderstorms. $$