![National Oceanic and Atmospheric Administration](/build/images/header/noaa.d87e0251.png)
![National Weather Service](/build/images/header/nws.4e6585d8.png)
![United States Department of Commerce](/build/images/header/doc.b38ba91a.png)
Coastal Waters Forecast
Issued by NWS Jacksonville, FL
Issued by NWS Jacksonville, FL
429 FZUS52 KJAX 031740 CWFJAX Coastal Waters Forecast for Northeast Florida/Southeast Georgia National Weather Service Jacksonville FL 140 PM EDT Wed Jul 3 2024 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. AMZ400-040630- Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm- 140 PM EDT Wed Jul 3 2024 .SYNOPSIS... Prevailing winds have shifted to easterly as high pressure building over the Mid-Atlantic states wedges down the southeastern seaboard. Showers and thunderstorms will increase in coverage across our local waters along and south of a stalled frontal boundary through today. The frontal boundary will gradually slide southward dissipate over the local waters by Thursday, with prevailing onshore winds continuing as high pressure weakens off the eastern seaboard. Storm coverage will decrease Friday through Saturday, with prevailing winds then shifting to southwesterly during the weekend ahead of the next slowing frontal boundary approaching from the north. .GULF STREAM... The approximate location of the west wall of the Gulf Stream as of Jul 02, 2024 at 1200 UTC... 57 nautical miles east of Flagler Beach. 66 nautical miles east of Saint Augustine Beach. 75 nautical miles east of Jacksonville Beach. 84 nautical miles east southeast of St Simons Island. This data courtesy of the Naval Oceanographic Office. $$ AMZ450-452-454-040630- Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM- Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM- Coastal waters from St. Augustine to Flagler Beach FL out 20 NM- 140 PM EDT Wed Jul 3 2024 .REST OF TODAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 7 seconds and east 2 feet at 8 seconds. Intracoastal waters light chop. A chance of showers. A slight chance of thunderstorms late this morning, then a chance of thunderstorms this afternoon. .TONIGHT...Southeast winds 5 to 10 knots, becoming south after midnight. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 7 seconds and southeast 2 feet at 8 seconds. Intracoastal waters light chop. A slight chance of showers and thunderstorms. .THURSDAY...Northeast winds around 5 knots, becoming east in the afternoon. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 7 seconds and east 2 feet at 8 seconds. Intracoastal waters light chop. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .THURSDAY NIGHT...Southeast winds 5 to 10 knots, becoming south after midnight. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 7 seconds and east 2 feet at 8 seconds. Intracoastal waters light chop. .FRIDAY...Southeast winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 6 seconds and east 2 feet at 10 seconds. Intracoastal waters light chop. A slight chance of rain. A slight chance of thunderstorms in the afternoon. .FRIDAY NIGHT...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 6 seconds and east 2 feet at 10 seconds. Intracoastal waters light chop. .SATURDAY THROUGH SUNDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Intracoastal waters light chop. A chance of rain and thunderstorms. Winds and waves higher in and near thunderstorms. $$ AMZ470-472-474-040630- 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- 140 PM EDT Wed Jul 3 2024 .REST OF TODAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 3 feet at 7 seconds and southeast 2 feet at 8 seconds. A chance of showers with a slight chance of thunderstorms. .TONIGHT...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 7 seconds and southeast 2 feet at 8 seconds. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. .THURSDAY...North winds around 5 knots, becoming northeast in the afternoon. Seas around 3 feet. Wave Detail: Northeast 2 feet at 7 seconds and southeast 2 feet at 8 seconds. A chance of showers with a slight chance of thunderstorms in the morning. .THURSDAY NIGHT...Southeast winds around 5 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 9 seconds and northeast 2 feet at 7 seconds. A slight chance of showers after midnight. .FRIDAY...East winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Seas around 3 feet. Wave Detail: Southeast 3 feet at 10 seconds and northeast 2 feet at 6 seconds. A slight chance of rain in the morning. .FRIDAY NIGHT...South winds 5 to 10 knots. Seas around 3 feet. Wave Detail: East 3 feet at 9 seconds and northeast 2 feet at 7 seconds. A slight chance of rain. .SATURDAY...South winds 5 to 10 knots. Seas around 3 feet. A slight chance of rain in the morning, then a chance of rain with a slight chance of thunderstorms. .SUNDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. A chance of rain. A slight chance of thunderstorms in the morning, then a chance of thunderstorms. Winds and seas higher in and near thunderstorms. $$