Coastal Waters Forecast
Issued by NWS Jacksonville, FL
Issued by NWS Jacksonville, FL
226 FZUS52 KJAX 200649 CWFJAX Coastal Waters Forecast for Northeast Florida/Southeast Georgia National Weather Service Jacksonville FL 249 AM EDT Fri Sep 20 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. AMZ400-202145- Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm- 249 AM EDT Fri Sep 20 2024 .SYNOPSIS... Northeast winds will increase today as an area of high pressure builds from the north. As winds and seas build, small craft will need to exercise caution on the local waters through Saturday. By Sunday, flow turns onshore through as the high weakens and settles to the northeast. A weak pressure pattern will set up through the first half of next week before a cold front approaches from the northwest during the latter part of next week. .GULF STREAM... The approximate location of the west wall of the Gulf Stream as of Sep 19, 2024 at 1200 UTC... 57 nautical miles east of Flagler Beach. 67 nautical miles east of Saint Augustine Beach. 82 nautical miles east of Jacksonville Beach. 90 nautical miles east southeast of St Simons Island. This data courtesy of the Naval Oceanographic Office. $$ AMZ450-452-454-202145- Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM- Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM- Coastal waters from St. Augustine to Flagler Beach FL out 20 NM- 249 AM EDT Fri Sep 20 2024 .TODAY...North winds 5 to 10 knots, becoming northeast 10 to 15 knots this afternoon. Seas 2 to 3 feet. Wave Detail: East 3 feet at 10 seconds and northeast 2 feet at 3 seconds. Intracoastal waters a moderate chop. .TONIGHT...Northeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 3 feet at 4 seconds and east 2 feet at 10 seconds. Intracoastal waters a moderate chop. A slight chance of showers after midnight. .SATURDAY...Northeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 5 seconds and east 2 feet at 9 seconds. Intracoastal waters choppy. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .SATURDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 6 seconds and east 2 feet at 9 seconds. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms. .SUNDAY...Northeast winds around 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 10 seconds and northeast 3 feet at 7 seconds. Intracoastal waters light chop. A slight chance of showers in the morning. .SUNDAY NIGHT...East winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 10 seconds. Intracoastal waters light chop. .MONDAY THROUGH TUESDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Intracoastal waters light chop. Winds and waves higher in and near thunderstorms. $$ AMZ470-472-474-202145- 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- 249 AM EDT Fri Sep 20 2024 .TODAY...North winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 3 feet at 4 seconds and east 3 feet at 10 seconds. A slight chance of showers. A chance of thunderstorms this afternoon. .TONIGHT...Northeast winds 10 to 15 knots. Seas around 4 feet, occasionally to 5 feet. Wave Detail: Northeast 3 feet at 5 seconds and east 3 feet at 10 seconds. A chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. .SATURDAY...Northeast winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at 6 seconds and east 3 feet at 9 seconds. A chance of showers and thunderstorms. .SATURDAY NIGHT...Northeast winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at 7 seconds and east 3 feet at 10 seconds. A chance of showers with a slight chance of thunderstorms. .SUNDAY...Northeast winds around 10 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 10 seconds and northeast 4 feet at 7 seconds. A slight chance of showers and thunderstorms. .SUNDAY NIGHT...East winds 5 to 10 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 10 seconds. .MONDAY THROUGH TUESDAY...East winds 5 to 10 knots. Seas 3 to 5 feet, occasionally to 6 feet. Winds and seas higher in and near thunderstorms. $$