FZUS52 KJAX 280519 CWFJAX Coastal Waters Forecast for Northeast Florida/Southeast Georgia National Weather Service Jacksonville FL 119 AM EDT Mon Sep 28 2020 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. AMZ400-282200- Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm- 119 AM EDT Mon Sep 28 2020 .SYNOPSIS... A warm front will lift north of the local waters this morning in advance of an approaching cold front. The cold front will cross the local waters Tuesday evening. High pressure will build across the Gulf Coast region Wednesday and Thursday. A dry cold front will move press across the local waters Thursday night into Friday. Strong high pressure will build north of the waters this weekend with a return of persistent, strengthening onshore flow into early next week. .GULF STREAM... The approximate location of the west wall of the Gulf Stream as of Sep 26, 2020 at 1200 UTC... 69 nautical miles east of Flagler Beach. 77 nautical miles east of Saint Augustine Beach. 84 nautical miles east of Jacksonville Beach. 91 nautical miles east southeast of St Simons Island. This data courtesy of the Naval Oceanographic Office. $$ AMZ450-452-454-282200- Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM- Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM- Coastal waters from St. Augustine to Flagler Beach FL out 20 NM- 119 AM EDT Mon Sep 28 2020 .TODAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet with a dominant period 5 seconds. A light chop on the intracoastal waters. Chance of showers and slight chance of thunderstorms. .TONIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet with a dominant period 9 seconds. A light chop on the intracoastal waters. Slight chance of thunderstorms in the evening. Chance of showers. .TUESDAY...South winds 10 to 15 knots. Seas 2 to 3 feet with a dominant period 8 seconds. A moderate chop on the intracoastal waters. Showers likely and slight chance of thunderstorms in the morning, then showers and chance of thunderstorms in the afternoon. .TUESDAY NIGHT...Southwest winds 10 to 15 knots becoming west after midnight. Seas 3 to 4 feet. A light chop on the intracoastal waters. Showers in the evening. Slight chance of thunderstorms. Chance of showers after midnight. .WEDNESDAY...West winds 10 to 15 knots. Seas 3 to 4 feet. A moderate chop on the intracoastal waters. Chance of showers in the morning, then slight chance of showers in the afternoon. .WEDNESDAY NIGHT...Northwest winds 10 to 15 knots. Seas 2 to 3 feet. .THURSDAY...Northwest winds 5 to 10 knots becoming northeast in the afternoon. Seas 2 to 3 feet. .THURSDAY NIGHT...South winds 5 to 10 knots becoming west after midnight. Seas 2 to 3 feet. .FRIDAY...North winds 10 knots. Seas 2 to 3 feet. $$ AMZ470-472-474-282200- 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- 119 AM EDT Mon Sep 28 2020 .TODAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet with a dominant period 9 seconds. Showers likely and slight chance of thunderstorms. .TONIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet with a dominant period 9 seconds. Showers likely in the evening. Slight chance of thunderstorms. Chance of showers after midnight. .TUESDAY...South winds 10 to 15 knots. Seas 3 to 5 feet with a dominant period 8 seconds. Showers likely and slight chance of thunderstorms in the morning, then showers and chance of thunderstorms in the afternoon. .TUESDAY NIGHT...Southwest winds 10 to 15 knots becoming west after midnight. Seas 3 to 5 feet. Showers in the evening. Slight chance of thunderstorms. Chance of showers after midnight. .WEDNESDAY...West winds 10 to 15 knots. Seas 3 to 5 feet. Chance of showers in the morning, then slight chance of showers in the afternoon. .WEDNESDAY NIGHT...Northwest winds 10 to 15 knots. Seas 3 to 4 feet. .THURSDAY...North winds 5 to 10 knots. Seas 3 to 4 feet. .THURSDAY NIGHT...Northwest winds 5 to 10 knots. Seas 3 to 4 feet. .FRIDAY...North winds 10 knots. Seas 3 to 4 feet. $$