Coastal Waters Forecast
Issued by NWS Jacksonville, FL
Issued by NWS Jacksonville, FL
264 FZUS52 KJAX 140011 CWFJAX Coastal Waters Forecast for Northeast Florida/Southeast Georgia National Weather Service Jacksonville FL 811 PM EDT Sat Jun 13 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. AMZ400-141515- Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm- 811 PM EDT Sat Jun 13 2026 .SYNOPSIS... The region will be between high pressure to the south southeast, and a frontal zone to the north through the early part of next week. This frontal boundary will move south over area mid week, and stall while it dissipates through the end of the week. .GULF STREAM... The approximate location of the west wall of the Gulf Stream as of Jun 13, 2026 at 0000 UTC... 50 nautical miles east of Flagler Beach. 53 nautical miles east of Saint Augustine Beach. 68 nautical miles east southeast of Jacksonville Beach. 76 nautical miles east southeast of St Simons Island. This data derived from NCEP Global RTOFS model. $$ AMZ450-452-454-141515- 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- 811 PM EDT Sat Jun 13 2026 .REST OF TONIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 4 seconds. Intracoastal waters light chop. .SUNDAY...Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 4 seconds. Intracoastal waters a moderate chop. A chance of showers and thunderstorms in the afternoon. .SUNDAY NIGHT...Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southwest 2 feet at 4 seconds. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms in the evening. .MONDAY...Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southwest 2 feet at 4 seconds. Intracoastal waters a moderate chop. Showers and thunderstorms likely in the afternoon. .MONDAY NIGHT...Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southwest 2 feet at 4 seconds. Intracoastal waters a moderate chop. A chance of showers and thunderstorms in the evening. .TUESDAY...Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southwest 2 feet at 4 seconds. Intracoastal waters a moderate chop. A slight chance of showers in the morning, then showers and thunderstorms likely in the afternoon. .TUESDAY NIGHT...Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Intracoastal waters a moderate chop. A chance of showers. A chance of thunderstorms, mainly in the evening. .WEDNESDAY...Southwest winds 10 to 15 knots, diminishing to 5 to 10 knots. Seas 2 to 3 feet. Intracoastal waters a moderate chop. A chance of showers and thunderstorms through the day. .THURSDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms in the afternoon. Winds and waves higher in and near thunderstorms. $$ AMZ470-472-474-141515- 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- 811 PM EDT Sat Jun 13 2026 .REST OF TONIGHT...Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 4 seconds. .SUNDAY...Southwest winds 10 to 15 knots, becoming south 15 to 20 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: Southwest 3 feet at 4 seconds. A chance of showers and thunderstorms in the afternoon. .SUNDAY NIGHT...Southwest winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southwest 3 feet at 5 seconds. A chance of showers and thunderstorms in the evening. .MONDAY...Southwest winds 10 to 15 knots, becoming south 15 to 20 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Southwest 3 feet at 5 seconds. A chance of showers and thunderstorms in the afternoon. .MONDAY NIGHT AND TUESDAY...Southwest winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Southwest 3 feet at 5 seconds. Showers likely with a chance of thunderstorms. .TUESDAY NIGHT...Southwest winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Southwest 3 feet at 4 seconds. A chance of showers. A chance of thunderstorms, mainly in the evening. .WEDNESDAY...Southwest winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. A chance of showers with a slight chance of thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. .THURSDAY...South winds 10 to 15 knots, increasing to 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Winds and seas higher in and near thunderstorms. $$