


Coastal Waters Forecast
Issued by NWS Jacksonville, FL
Issued by NWS Jacksonville, FL
689 FZUS52 KJAX 160449 CWFJAX Coastal Waters Forecast for Northeast Florida/Southeast Georgia National Weather Service Jacksonville FL 1249 AM EDT Wed Jul 16 2025 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. AMZ400-162000- Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm- 1249 AM EDT Wed Jul 16 2025 .SYNOPSIS... A broad area of low pressure will continue to track westward across the Florida Panhandle today and tonight with south to southeast winds continuing at Caution levels. Atlantic high pressure will extend across the southeast states through Thursday. The high will shift south and extend across south Florida late Friday into the weekend as a surface front lingers across Georgia. .GULF STREAM... The approximate location of the west wall of the Gulf Stream as of Jul 15, 2025 at 1200 UTC... 60 nautical miles east northeast of Flagler Beach. 59 nautical miles east of Saint Augustine Beach. 61 nautical miles east of Jacksonville Beach. 66 nautical miles east of St Simons Island. This data courtesy of the Naval Oceanographic Office. $$ AMZ450-452-454-162000- 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- 1249 AM EDT Wed Jul 16 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH THIS EVENING... .REST OF TONIGHT...Southeast winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at 6 seconds. Intracoastal waters choppy. A slight chance of showers late this evening. .WEDNESDAY...Southeast winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds. Intracoastal waters choppy. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. .WEDNESDAY NIGHT...Southeast winds 15 to 20 knots, becoming south 10 to 15 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds. Intracoastal waters choppy. A slight chance of showers in the evening. .THURSDAY...Southeast 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 morning, then a chance of showers and thunderstorms in the afternoon. .THURSDAY NIGHT...South winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 7 seconds. Intracoastal waters a moderate chop. .FRIDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 8 seconds. Intracoastal waters light chop. A chance of showers and thunderstorms in the afternoon. .FRIDAY NIGHT...South winds 5 to 10 knots. Seas 2 to 3 feet. Intracoastal waters light chop. .SATURDAY...Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Intracoastal waters light chop. A slight chance of showers and thunderstorms in the afternoon. .SUNDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters light chop. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. A slight chance of thunderstorms in the evening. A slight chance of showers through the night. Winds and waves higher in and near thunderstorms. $$ AMZ470-472-474-162000- 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- 1249 AM EDT Wed Jul 16 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH THIS EVENING... .REST OF TONIGHT...South winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at 5 seconds. A slight chance of showers and thunderstorms. .WEDNESDAY...South winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: South 5 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms in the morning, then a slight chance of showers and thunderstorms in the afternoon. .WEDNESDAY NIGHT...South winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds. A slight chance of showers. .THURSDAY...South winds 10 to 15 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .THURSDAY NIGHT AND FRIDAY...South winds 10 to 15 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 7 seconds. A slight chance of showers and thunderstorms. .FRIDAY NIGHT...South winds 5 to 10 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 8 seconds. .SATURDAY...Southwest winds 5 to 10 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms through the day. A slight chance of showers and thunderstorms after midnight. .SUNDAY...Southwest winds 5 to 10 knots, increasing to 10 to 15 knots. Seas 2 to 3 feet. A slight chance of thunderstorms. A slight chance of showers, then a chance of showers after midnight. Winds and seas higher in and near thunderstorms. $$