Coastal Waters Forecast
Issued by NWS Jacksonville, FL
Issued by NWS Jacksonville, FL
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882 FZUS52 KJAX 012320 CWFJAX Coastal Waters Forecast for Northeast Florida/Southeast Georgia National Weather Service Jacksonville FL 720 PM EDT Mon Jun 1 2026 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. AMZ400-021430- Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm- 720 PM EDT Mon Jun 1 2026 .SYNOPSIS... A cold front will slide south across the area through Tuesday night. A surge of winds will move south across the waters behind the front, leading to a period of Small Craft Advisory level conditions Tuesday night through Wednesday night. High pressure will build to the north Wednesday through Friday. The high will build more toward the northeast over the weekend. .GULF STREAM... The approximate location of the west wall of the Gulf Stream as of Jun 01, 2026 at 0000 UTC... 50 nautical miles east of Flagler Beach. 58 nautical miles east of Saint Augustine Beach. 70 nautical miles east southeast of Jacksonville Beach. 76 nautical miles east southeast of St Simons Island. This data derived from NCEP Global RTOFS model. $$ AMZ450-452-454-021430- Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM- Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM- Coastal waters from St. Augustine to Flagler Beach FL out 20 NM- 720 PM EDT Mon Jun 1 2026 .REST OF TONIGHT...North winds 5 to 10 knots, becoming west. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 9 seconds. Intracoastal waters light chop. .TUESDAY...Northwest winds around 5 knots, becoming east 10 to 15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 11 seconds. Intracoastal waters a moderate chop. A slight chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. .TUESDAY NIGHT...Northeast winds 25 to 30 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Northeast 7 feet at 7 seconds. Intracoastal waters very rough. Showers with a chance of thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. .WEDNESDAY...Northeast winds 25 to 30 knots, diminishing to 20 to 25 knots in the afternoon. Seas 7 to 9 feet, occasionally to 11 feet. Wave Detail: Northeast 9 feet at 8 seconds. Intracoastal waters very rough. A chance of showers with a slight chance of thunderstorms. .WEDNESDAY NIGHT...Northeast winds 20 to 25 knots. Seas 6 to 9 feet, occasionally to 11 feet. Wave Detail: Northeast 9 feet at 8 seconds. Intracoastal waters rough. .THURSDAY...East winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: East 6 feet at 9 seconds. Intracoastal waters choppy. .THURSDAY NIGHT...East winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Intracoastal waters choppy. A slight chance of showers. .FRIDAY THROUGH SATURDAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Intracoastal waters a moderate chop. Winds and waves higher in and near thunderstorms. $$ AMZ470-472-474-021430- 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- 720 PM EDT Mon Jun 1 2026 .REST OF TONIGHT...North winds 5 to 10 knots, becoming west. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 3 feet at 9 seconds and northwest 2 feet at 4 seconds. .TUESDAY...Northwest winds around 5 knots, becoming northeast 10 to 15 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 11 seconds. A slight chance of showers and thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. .TUESDAY NIGHT...Northeast winds 20 to 25 knots, increasing to 25 to 30 knots after midnight. Seas 4 to 6 feet, occasionally to 8 feet, building to 5 to 8 feet, occasionally to 10 feet after midnight. Wave Detail: Northeast 5 feet at 10 seconds, becoming northeast 8 feet at 7 seconds. Showers with a chance of thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. .WEDNESDAY...Northeast winds 20 to 25 knots. Seas 7 to 10 feet, occasionally to 13 feet. Wave Detail: Northeast 10 feet at 9 seconds. A slight chance of thunderstorms. A chance of showers, mainly in the morning. .WEDNESDAY NIGHT...Northeast winds 20 to 25 knots, becoming east 15 to 20 knots after midnight. Seas 7 to 9 feet, occasionally to 11 feet, subsiding to 6 to 7 feet, occasionally to 9 feet after midnight. Wave Detail: Northeast 8 feet at 9 seconds, becoming northeast 7 feet at 9 seconds. .THURSDAY...Northeast winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Northeast 7 feet at 9 seconds. A slight chance of showers in the afternoon. .THURSDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. A slight chance of showers in the evening. .FRIDAY THROUGH SATURDAY...Southeast winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Winds and seas higher in and near thunderstorms. $$