Coastal Waters Forecast
Issued by NWS Jacksonville, FL
Issued by NWS Jacksonville, FL
453 FZUS52 KJAX 181917 CWFJAX Coastal Waters Forecast for Northeast Florida/Southeast Georgia National Weather Service Jacksonville FL 317 PM EDT Sat May 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. AMZ400-191000- Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm- 317 PM EDT Sat May 18 2024 .SYNOPSIS... A slow moving cold front will push across the coastal waters through Sunday, with chances for thunderstorms into this evening and on Sunday. Some of these storms may contain strong gusty winds and heavy rainfall. Winds will turn to the north and strengthen late Sunday night and Monday morning as high pressure wedges against a low pressure situated northeast of the waters early next week. 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 16, 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. 97 nautical miles east southeast of St Simons Island. This data courtesy of the Naval Oceanographic Office. $$ AMZ450-452-454-191000- Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM- Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM- Coastal waters from St. Augustine to Flagler Beach FL out 20 NM- 317 PM EDT Sat May 18 2024 .TONIGHT...South winds around 10 to 15 knots, becoming southwest after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 4 seconds. Intracoastal waters a moderate chop. Showers likely with a chance of thunderstorms. .SUNDAY...West winds 10 to 15 knots, becoming south 5 to 10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: Southwest 2 feet at 4 seconds and east 2 feet at 8 seconds. Intracoastal waters a moderate chop. A chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. .SUNDAY NIGHT...North winds 5 to 10 knots, increasing to 10 to 15 knots after midnight. Seas 2 to 3 feet. Wave Detail: North 2 feet at 4 seconds and east 2 feet at 8 seconds. Intracoastal waters a moderate chop. A chance of showers and thunderstorms, mainly in the evening. .MONDAY...Northeast winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 8 seconds and southeast 2 feet at 5 seconds. Intracoastal waters choppy. A chance of showers with a slight chance of thunderstorms. .MONDAY NIGHT AND TUESDAY...Northeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 6 seconds. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms. .TUESDAY NIGHT...Northeast winds 10 to 15 knots, becoming east 5 to 10 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 8 seconds. Intracoastal waters a moderate chop. .WEDNESDAY THROUGH THURSDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Intracoastal waters light chop. Winds and waves higher in and near thunderstorms. $$ AMZ470-472-474-191000- 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- 317 PM EDT Sat May 18 2024 .TONIGHT...South winds 10 to 15 knots, becoming southwest after midnight. Seas 2 to 3 feet. Wave Detail: South 3 feet at 4 seconds and east 2 feet at 9 seconds. A chance of thunderstorms. A chance of showers this evening, then showers likely after midnight. .SUNDAY...West winds 10 to 15 knots, becoming southwest 5 to 10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: West 3 feet at 4 seconds and northeast 2 feet at 8 seconds. A chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. .SUNDAY NIGHT...North winds 5 to 10 knots, increasing to 10 to 15 knots after midnight. Seas 2 to 3 feet. Wave Detail: Southwest 2 feet at 5 seconds and east 2 feet at 8 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 7 seconds and south 2 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms. .MONDAY NIGHT AND TUESDAY...Northeast winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at 7 seconds. A chance of showers with a slight chance of thunderstorms. .TUESDAY NIGHT...Northeast winds 10 to 15 knots, becoming east 5 to 10 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at 8 seconds. A slight chance of showers and thunderstorms in the evening. .WEDNESDAY THROUGH THURSDAY...South winds 5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. Winds and seas higher in and near thunderstorms. $$