Coastal Waters Forecast
Issued by NWS Jacksonville, FL
Issued by NWS Jacksonville, FL
057 FZUS52 KJAX 190100 CWFJAX Coastal Waters Forecast for Northeast Florida/Southeast Georgia National Weather Service Jacksonville FL 900 PM EDT Wed Sep 18 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. AMZ400-190900- Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm- 900 PM EDT Wed Sep 18 2024 .SYNOPSIS... A weak frontal boundary will approach the Georgia waters tonight and sink into the Northeast Florida waters on Thursday with weak high pressure settling to the northwest. A relatively weak pressure pattern will allow for sea breeze circulations in the afternoon through Thursday. Stronger high pressure will build down the east coast Friday into the weekend. This will lead to an increase in Northeast winds by Friday and into the weekend with Small Craft Advisory headlines possible. .GULF STREAM... The approximate location of the west wall of the Gulf Stream as of Sep 17, 2024 at 1200 UTC... 43 nautical miles east of Flagler Beach. 53 nautical miles east of Saint Augustine Beach. 68 nautical miles east of Jacksonville Beach. 88 nautical miles east of St Simons Island. This data courtesy of the Naval Oceanographic Office. $$ AMZ450-452-454-190900- Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM- Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM- Coastal waters from St. Augustine to Flagler Beach FL out 20 NM- 900 PM EDT Wed Sep 18 2024 .REST OF TONIGHT...South winds around 5 knots, becoming west. Seas 2 to 3 feet. Wave Detail: East 3 feet at 9 seconds. Intracoastal waters light chop. A chance of showers with a slight chance of thunderstorms this evening, then a slight chance of showers. .THURSDAY...Northwest winds 5 to 10 knots, becoming northeast in the afternoon. Seas 2 to 3 feet. Wave Detail: East 3 feet at 9 seconds. Intracoastal waters light chop. .THURSDAY NIGHT...East winds around 5 knots, becoming northwest after midnight. Seas 2 to 3 feet. Wave Detail: East 3 feet at 10 seconds. Intracoastal waters light chop. .FRIDAY...Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 10 seconds. Intracoastal waters light chop. A slight chance of showers in the afternoon. .FRIDAY NIGHT...Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 8 seconds. Intracoastal waters light chop. .SATURDAY...Northeast winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 6 seconds. Intracoastal waters a moderate chop. A slight chance of showers in the afternoon. .SATURDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Intracoastal waters a moderate chop. .SUNDAY THROUGH MONDAY...Northeast winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Intracoastal waters a moderate chop. Winds and waves higher in and near thunderstorms. $$ AMZ470-472-474-190900- 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- 900 PM EDT Wed Sep 18 2024 .REST OF TONIGHT...South winds around 5 knots, becoming west. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 9 seconds. A chance of showers with a slight chance of thunderstorms. .THURSDAY...Northwest winds 5 to 10 knots, becoming north in the afternoon. Seas around 3 feet. Wave Detail: East 3 feet at 10 seconds. A slight chance of showers in the morning. .THURSDAY NIGHT...East winds around 5 knots, becoming northwest after midnight. Seas around 3 feet. Wave Detail: East 3 feet at 10 seconds. A slight chance of showers. .FRIDAY...North winds around 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 3 feet at 10 seconds. A slight chance of showers and thunderstorms. .FRIDAY NIGHT THROUGH SATURDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at 9 seconds. A slight chance of showers and thunderstorms. .SUNDAY THROUGH MONDAY...Northeast winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 6 feet at 8 seconds. A slight chance of showers. Winds and seas higher in and near thunderstorms. $$