####018004834#### FZUS52 KJAX 241258 CWFJAX Coastal Waters Forecast for Northeast Florida/Southeast Georgia National Weather Service Jacksonville FL 858 AM EDT Thu Jul 24 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. AMZ400-250400- Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm- 858 AM EDT Thu Jul 24 2025 .SYNOPSIS... Atlantic high pressure system centered to the south of Bermuda today will begin to build west towards our region through Friday, with prevailing south to southeast winds expected. This weak high pressure system will build over the area Friday night then move into the Gulf over the weekend. A weak trough of low pressure will develop over the southeast U.S. coast this weekend and early next week. .GULF STREAM... The approximate location of the west wall of the Gulf Stream as of Jul 22, 2025 at 1200 UTC... 60 nautical miles east northeast of Flagler Beach. 67 nautical miles east of Saint Augustine Beach. 82 nautical miles east of Jacksonville Beach. 99 nautical miles east southeast of St Simons Island. This data courtesy of the Naval Oceanographic Office. $$ AMZ450-452-454-250400- Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM- Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM- Coastal waters from St. Augustine to Flagler Beach FL out 20 NM- 858 AM EDT Thu Jul 24 2025 .REST OF TODAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 4 seconds. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms this afternoon. .TONIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 4 seconds and southeast 2 feet at 7 seconds. Intracoastal waters a moderate chop. .FRIDAY...South winds 5 to 10 knots, becoming southeast 10 to 15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 4 seconds and southeast 2 feet at 7 seconds. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms in the afternoon. .FRIDAY NIGHT...South winds 10 to 15 knots, becoming southwest 5 to 10 knots after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 8 seconds. Intracoastal waters a moderate chop. .SATURDAY...Southwest winds around 5 knots, becoming southeast in the afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at 8 seconds. Intracoastal waters light chop. .SATURDAY NIGHT...South winds 5 to 10 knots, becoming southwest after midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at 8 seconds. Intracoastal waters light chop. .SUNDAY...Northeast winds 5 to 10 knots, becoming southwest. Seas around 2 feet. Intracoastal waters light chop. .MONDAY...South winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters light chop. A slight chance of showers and thunderstorms through the night. Winds and waves higher in and near thunderstorms. $$ AMZ470-472-474-250400- 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- 858 AM EDT Thu Jul 24 2025 .REST OF TODAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 4 seconds and southeast 2 feet at 8 seconds. A slight chance of showers and thunderstorms. .TONIGHT...South winds 10 to 15 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 8 seconds and northeast 2 feet at 8 seconds. A slight chance of showers and thunderstorms after midnight. .FRIDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 7 seconds and northeast 2 feet at 8 seconds. A slight chance of showers. A slight chance of thunderstorms in the afternoon. .FRIDAY NIGHT...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 8 seconds. .SATURDAY...Southwest winds 5 to 10 knots, becoming south in the afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 8 seconds. .SATURDAY NIGHT...South winds 5 to 10 knots, becoming southwest after midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at 8 seconds. .SUNDAY...West winds 5 to 10 knots, becoming southwest. Seas around 2 feet. .MONDAY...South winds 5 to 10 knots. Seas around 2 feet. A slight chance of showers and thunderstorms through the night. Winds and seas higher in and near thunderstorms. $$