FZUS52 KJAX 220625 CWFJAX Coastal Waters Forecast for Northeast Florida/Southeast Georgia National Weather Service Jacksonville FL 225 AM EDT Wed Apr 22 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. AMZ400-222100- Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm- 225 AM EDT Wed Apr 22 2026 .SYNOPSIS... High pressure builds eastward off the coast of the eastern seaboard with ridging lingering across area waters through Friday. Daily afternoon east-southeast wind surges in the wake of the sea breeze develop each day through Friday. Winds shift to southerly ahead of a cold front Saturday and southwesterly on Sunday as the front begins to stall just north of the waters. The front will bring increasing chances for showers and thunderstorms over the waters this weekend. .GULF STREAM... The approximate location of the west wall of the Gulf Stream as of Apr 21, 2026 at 0000 UTC... 50 nautical miles east of Flagler Beach. 58 nautical miles east of Saint Augustine Beach. 70 nautical miles east southeast of Jacksonville Beach. 76 nautical miles east southeast of St Simons Island. This data derived from NCEP Global RTOFS model. $$ AMZ450-452-454-222100- Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM- Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM- Coastal waters from St. Augustine to Flagler Beach FL out 20 NM- 225 AM EDT Wed Apr 22 2026 .REST OF TONIGHT...South winds around 5 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 8 seconds. Intracoastal waters smooth. .WEDNESDAY...North winds 5 to 10 knots, becoming east in the afternoon. Seas 2 to 3 feet. Wave Detail: East 3 feet at 8 seconds. Intracoastal waters light chop. .WEDNESDAY NIGHT...Southeast winds 5 to 10 knots, becoming southwest after midnight. Seas 2 to 3 feet. Wave Detail: East 3 feet at 8 seconds. Intracoastal waters light chop. .THURSDAY...South winds 5 to 10 knots, becoming southeast 10 to 15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: East 3 feet at 7 seconds and southeast 2 feet at 3 seconds. Intracoastal waters a moderate chop. .THURSDAY NIGHT...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 8 seconds and south 2 feet at 3 seconds. Intracoastal waters light chop. .FRIDAY AND FRIDAY NIGHT...Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 8 seconds and southeast 2 feet at 4 seconds. Intracoastal waters a moderate chop. .SATURDAY THROUGH SUNDAY...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Intracoastal waters a moderate chop. A chance of showers with a slight chance of thunderstorms. Winds and waves higher in and near thunderstorms. $$ AMZ470-472-474-222100- 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 AM EDT Wed Apr 22 2026 .REST OF TONIGHT...Southeast winds around 5 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 8 seconds. .WEDNESDAY...East winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 8 seconds. .WEDNESDAY NIGHT...Southeast winds 5 to 10 knots, becoming south after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 3 feet at 8 seconds. .THURSDAY...Southwest winds around 5 knots, becoming southeast in the afternoon. Seas around 3 feet. Wave Detail: East 3 feet at 8 seconds. .THURSDAY NIGHT AND FRIDAY...South winds 5 to 10 knots. Seas around 3 feet. Wave Detail: East 3 feet at 8 seconds. .FRIDAY NIGHT...South winds 10 to 15 knots. Seas around 3 feet. Wave Detail: East 3 feet at 9 seconds and southeast 2 feet at 4 seconds. .SATURDAY THROUGH SUNDAY...Northeast winds 15 to 20 knots. Seas 2 to 3 feet. A chance of showers with a slight chance of thunderstorms. Winds and seas higher in and near thunderstorms. $$