Coastal Waters Forecast
Issued by NWS Jacksonville, FL
Issued by NWS Jacksonville, FL
692 FZUS52 KJAX 191341 CWFJAX Coastal Waters Forecast for Northeast Florida/Southeast Georgia National Weather Service Jacksonville FL 941 AM EDT Sun May 19 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. AMZ400-192115- Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm- 941 AM EDT Sun May 19 2024 .SYNOPSIS... A slow moving cold front will drift southward over the coastal waters late today with numerous showers and thunderstorms late this afternoon into the evening hours. Some of these storms may contain strong gusty winds and heavy downpours. Westerly winds will turn southerly this afternoon due to the Atlantic seabreeze and then become breezy from the north and northeast overnight into Monday behind the cold front. Wind speeds will be near small craft advisory levels over the southeast Georgia waters Monday morning. High pressure builds directly over the waters during the middle part of next week. .GULF STREAM... The approximate location of the west wall of the Gulf Stream as of May 18, 2024 at 1200 UTC... 64 nautical miles east of Flagler Beach. 73 nautical miles east of Saint Augustine Beach. 82 nautical miles east of Jacksonville Beach. 101 nautical miles east southeast of St Simons Island. This data courtesy of the Naval Oceanographic Office. $$ AMZ450-452-454-192115- Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM- Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM- Coastal waters from St. Augustine to Flagler Beach FL out 20 NM- 941 AM EDT Sun May 19 2024 .REST OF TODAY...West winds 5 to 10 knots, becoming south this afternoon. Seas around 2 feet. Wave Detail: Southwest 2 feet at 4 seconds and east 2 feet at 8 seconds. Intracoastal waters light chop. A chance of showers and thunderstorms this afternoon. .TONIGHT...Northeast winds 5 to 10 knots, becoming north 10 to 15 knots after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 5 seconds and east 2 feet at 8 seconds. Intracoastal waters a moderate chop. Showers likely with a chance of thunderstorms in the evening, then a slight chance of showers and thunderstorms after midnight. .MONDAY...Northeast winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 5 seconds. Intracoastal waters choppy. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 7 seconds. Intracoastal waters a moderate chop. A slight chance of thunderstorms in the evening. Isolated showers. .TUESDAY...Northeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 8 seconds. Intracoastal waters a moderate chop. A chance of showers, mainly in the morning. .TUESDAY NIGHT...Northeast winds 5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 8 seconds. Intracoastal waters light chop. .WEDNESDAY THROUGH THURSDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Intracoastal waters light chop. Winds and waves higher in and near thunderstorms. $$ AMZ470-472-474-192115- 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- 941 AM EDT Sun May 19 2024 .REST OF TODAY...West winds around 10 knots, becoming south this afternoon. Seas 2 to 3 feet. Wave Detail: Southwest 3 feet at 4 seconds and northeast 2 feet at 8 seconds. A slight chance of showers this morning, then a chance of showers and thunderstorms this afternoon. .TONIGHT...Northeast winds 5 to 10 knots, becoming north 10 to 15 knots after midnight. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 8 seconds and southeast 2 feet at 5 seconds. A chance of thunderstorms. Showers likely, mainly in the evening. .MONDAY...North winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 6 seconds. A chance of showers and thunderstorms. .MONDAY 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. Scattered showers with a slight chance of thunderstorms. .TUESDAY...Northeast winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at 8 seconds. A chance of showers, mainly in the morning. .TUESDAY NIGHT...Northeast winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 8 seconds. A slight chance of thunderstorms with isolated showers in the evening. .WEDNESDAY THROUGH THURSDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Winds and seas higher in and near thunderstorms. $$