Coastal Waters Forecast
Issued by NWS Jacksonville, FL
Issued by NWS Jacksonville, FL
083 FZUS52 KJAX 200131 CWFJAX Coastal Waters Forecast for Northeast Florida/Southeast Georgia National Weather Service Jacksonville FL 831 PM EST Wed Nov 19 2025 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. AMZ400-201645- Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm- 831 PM EST Wed Nov 19 2025 .SYNOPSIS... High pressure centered over the Florida panhandle will weaken while shifting slowly southeastward over the Florida peninsula by Friday afternoon and Saturday. A weakening and mostly dry frontal boundary will then push southward through the Georgia waters on Saturday night, with this boundary pushing across the northeast FL waters on Sunday morning. High pressure will build east-southeastward from the Upper Midwest on Sunday night towards the Mid-Atlantic states by early Tuesday, with breezy onshore winds developing across our local waters from Sunday afternoon through Monday afternoon. A stronger cold front may then push eastward across the southeastern states next Wednesday and Wednesday night, with southerly winds expected to develop ahead of this front beginning on Tuesday. .GULF STREAM... The approximate location of the west wall of the Gulf Stream as of Nov 18, 2025 at 1200 UTC... 50 nautical miles east of Flagler Beach. 59 nautical miles east of Saint Augustine Beach. 76 nautical miles east of Jacksonville Beach. 85 nautical miles east of St Simons Island. This data courtesy of the Naval Oceanographic Office. $$ AMZ450-452-454-201645- Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM- Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM- Coastal waters from St. Augustine to Flagler Beach FL out 20 NM- 831 PM EST Wed Nov 19 2025 .REST OF TONIGHT...Southwest winds around 5 knots, becoming northwest 5 to 10 knots late. Seas around 2 feet. Intracoastal waters mostly smooth. .THURSDAY...Northwest winds 5 to 10 knots, becoming northeast around 10 knots during the afternoon. Seas around 2 feet. Intracoastal waters becoming a light chop. .THURSDAY NIGHT...East winds around 5 knots, becoming southwest after midnight. Seas around 2 feet in the evening, then 1 foot or less. Intracoastal waters smooth. .FRIDAY...Southwest winds around 5 knots, becoming southeast around 10 knots in the afternoon. Waves 1 foot or less. Intracoastal waters becoming a light chop. .FRIDAY NIGHT...South winds 5 to 10 knots, becoming southwest after midnight. Seas 1 to 2 feet. Intracoastal waters mostly smooth. .SATURDAY...Southwest winds 5 to 10 knots, becoming south around 10 knots during the afternoon. Seas around 2 feet. Intracoastal waters becoming a light chop. .SATURDAY NIGHT...Southwest winds 10 to 15 knots, becoming west around 10 knots after midnight. Seas around 2 feet. Intracoastal waters a light chop. .SUNDAY...Northwest winds around 10 knots, becoming northeast 10 to 15 knots during the afternoon. Seas around 2 feet. Intracoastal waters a light chop. .SUNDAY NIGHT...East northeast winds 10 to 15 knots, becoming north around 10 knots after midnight. Seas around 2 feet. Intracoastal waters a light chop. .MONDAY...North winds around 10 knots, becoming east 10 to 15 knots during the afternoon. Seas around 2 feet. Intracoastal waters a light chop. $$ AMZ470-472-474-201645- 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- 831 PM EST Wed Nov 19 2025 .REST OF TONIGHT...Southwest winds around 10 knots, becoming northwest late. Seas around 2 feet. Wave Detail: Northeast 2 feet at 8 seconds. .THURSDAY...Northwest winds around 10 knots, becoming north 5 to 10 knots during the afternoon. Seas around 2 feet. .THURSDAY NIGHT...Northeast winds around 5 knots, becoming west after midnight. Seas around 2 feet. .FRIDAY...Southwest winds around 5 knots, becoming south during the afternoon. Seas around 2 feet. .FRIDAY NIGHT...South winds 5 to 10 knots, becoming southwest and increasing to 10 to 15 knots after midnight. Seas around 2 feet. Wave Detail: Southwest 2 feet at 3 seconds. .SATURDAY...Southwest winds around 10 knots. Seas around 2 feet. Wave Detail: Southwest 2 feet at 3 seconds. .SATURDAY NIGHT...Southwest winds 10 to 15 knots, becoming west northwest after midnight. Seas 2 to 3 feet. Wave Detail: Southwest 2 feet at 3 seconds. .SUNDAY...Northwest winds around 10 knots, becoming northeast 5 to 10 knots during the afternoon. Seas 2 to 3 feet. .SUNDAY NIGHT...East northeast winds around 10 knots, becoming north 5 to 10 knots after midnight. Seas 2 to 3 feet. .MONDAY...North winds around 10 knots, becoming east northeast 5 to 10 knots during the afternoon. Seas 2 to 3 feet. $$