Coastal Waters Forecast
Issued by NWS Jacksonville, FL
Issued by NWS Jacksonville, FL
725 FZUS52 KJAX 060013 CWFJAX Coastal Waters Forecast for Northeast Florida/Southeast Georgia National Weather Service Jacksonville FL 813 PM EDT Tue May 5 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. AMZ400-061515- Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm- 813 PM EDT Tue May 5 2026 .SYNOPSIS... High pressure ridge from Bermuda and across northeast Florida waters will persist through Wednesday night, with increasing onshore winds and caution level conditions possible during the afternoon and evening. A cold front approaches late Wednesday, shifting winds to southwest, with the front moving into the area waters Thursday evening. The front will stall just south of the area on Friday, and then move back north over the weekend. The front will bring with it a chance of showers and thunderstorms Thursday through Friday. Chance of showers and thunderstorms also is forecast for the weekend. Another cold front will approach from the northwest Monday. .GULF STREAM... The approximate location of the west wall of the Gulf Stream as of May 05, 2026... The Gulf Stream data is unavailable. This data derived from NCEP Global RTOFS model. $$ AMZ450-452-454-061515- 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- 813 PM EDT Tue May 5 2026 .REST OF TONIGHT...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 7 seconds. Intracoastal waters light chop. .WEDNESDAY...South winds 5 to 10 knots, becoming southeast 10 to 15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds and east 2 feet at 9 seconds. Intracoastal waters a moderate chop. .WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 5 seconds and east 2 feet at 10 seconds. Intracoastal waters a moderate chop. .THURSDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms in the afternoon. .THURSDAY NIGHT...West winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. Intracoastal waters light chop. A slight chance of showers in the evening. .FRIDAY...North winds around 10 knots, becoming northeast in the afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. Intracoastal waters light chop. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. .FRIDAY NIGHT...East winds 5 to 10 knots, becoming south after midnight. Seas around 2 feet. Intracoastal waters light chop. A slight chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. .SATURDAY...Southwest winds 5 to 10 knots, becoming south. Seas around 2 feet. Intracoastal waters light chop. Showers likely with a slight chance of thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. A slight chance of showers and thunderstorms after midnight. .SUNDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Intracoastal waters light chop. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. A slight chance of showers and thunderstorms in the evening. Winds and waves higher in and near thunderstorms. $$ AMZ470-472-474-061515- 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- 813 PM EDT Tue May 5 2026 .REST OF TONIGHT...Southeast winds around 10 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 7 seconds and northeast 2 feet at 8 seconds. .WEDNESDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 7 seconds and east 3 feet at 9 seconds. .WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 5 seconds and east 2 feet at 9 seconds. .THURSDAY...South winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 6 seconds. .THURSDAY NIGHT...Southwest winds 10 to 15 knots, becoming west after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. A slight chance of showers in the evening. .FRIDAY...North winds around 10 knots, becoming northeast in the afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 6 seconds and northeast 2 feet at 9 seconds. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. .FRIDAY NIGHT...East winds 5 to 10 knots, becoming south after midnight. Seas 2 to 3 feet. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. .SATURDAY...Southwest winds 5 to 10 knots, becoming southeast. Seas 2 to 3 feet. Showers likely with a slight chance of thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. A slight chance of showers and thunderstorms through the night. .SUNDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. A slight chance of showers. A slight chance of thunderstorms through the night. Winds and seas higher in and near thunderstorms. $$