Coastal Waters Forecast
Issued by NWS Jacksonville, FL
Issued by NWS Jacksonville, FL
867 FZUS52 KJAX 201850 CWFJAX Coastal Waters Forecast for Northeast Florida/Southeast Georgia National Weather Service Jacksonville FL 250 PM 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. AMZ400-211000- Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm- 250 PM EDT Fri Sep 20 2024 .SYNOPSIS... Northeast winds will increase over the local waters tonight as an area of high pressure builds northeast of the region. As winds and seas increase late tonight into Saturday, Small Craft Exercise Caution conditions are expected. By Sunday, winds veer onshore as the high weakens and build ENE of the region. A weak pressure pattern develops Monday and continues through mid-week as high pressure extends offshore of the southeast Atlantic coast. .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. $$ AMZ450-452-454-211000- Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM- Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM- Coastal waters from St. Augustine to Flagler Beach FL out 20 NM- 250 PM EDT Fri Sep 20 2024 .TONIGHT...Northeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 3 feet at 5 seconds and east 2 feet at 10 seconds. Intracoastal waters a moderate chop. .SATURDAY...Northeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 5 seconds and east 2 feet at 10 seconds. Intracoastal waters choppy. A slight chance of showers in the morning. .SATURDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 6 seconds and east 2 feet at 9 seconds. Intracoastal waters a moderate chop. A slight chance of showers in the evening, then a slight chance of showers and thunderstorms after midnight. .SUNDAY...Northeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 10 seconds and northeast 3 feet at 7 seconds. Intracoastal waters a moderate chop. A slight chance of showers. .SUNDAY NIGHT THROUGH MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 10 seconds. Intracoastal waters a moderate chop. .TUESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 10 seconds and east 2 feet at 4 seconds. Intracoastal waters a moderate chop. .WEDNESDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms through the night. Winds and waves higher in and near thunderstorms. $$ AMZ470-472-474-211000- 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- 250 PM EDT Fri Sep 20 2024 .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 slight chance of showers. A slight chance of thunderstorms 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 slight chance of thunderstorms. A chance of showers, mainly in the morning. .SATURDAY NIGHT...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. 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 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at 10 seconds and northeast 4 feet at 7 seconds. A slight chance of thunderstorms. A slight chance of showers. .SUNDAY NIGHT THROUGH MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 10 seconds. .TUESDAY...East winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 5 feet at 12 seconds and east 2 feet at 4 seconds. .WEDNESDAY...Southeast winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. A slight chance of showers and thunderstorms through the night. Winds and seas higher in and near thunderstorms. $$