FZUS52 KJAX 160114 CWFJAX Coastal Waters Forecast for Northeast Florida/Southeast Georgia National Weather Service Jacksonville FL 914 PM EDT Fri Oct 15 2021 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. AMZ400-160915- Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm- 914 PM EDT Fri Oct 15 2021 .SYNOPSIS... High pressure ridge will weaken across the area tonight, as a cold front approaches from the northwest. The cold front will cross the area Saturday into Saturday night. A few thunderstorms will be possible with the frontal passage. High pressure will build from the northwest following the front. The high will settle to the north early next week, then toward the east northeast toward mid week. Small Craft Advisory conditions will be possible Saturday night into Sunday behind the cold front. .GULF STREAM... The approximate location of the west wall of the Gulf Stream as of Oct 16, 2021 at 1200 UTC... 33 nautical miles east northeast of Flagler Beach. 40 nautical miles east of Saint Augustine Beach. 55 nautical miles east southeast of Jacksonville Beach. 68 nautical miles east southeast of St Simons Island. This data courtesy of the Naval Oceanographic Office. $$ AMZ450-452-454-160915- Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM- Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM- Coastal waters from St. Augustine to Flagler Beach FL out 20 NM- 914 PM EDT Fri Oct 15 2021 .TONIGHT...Southeast winds 5 to 10 knots becoming west late in the night. Seas 2 to 3 feet with a dominant period 8 seconds. Mostly smooth on the intracoastal waters. .SATURDAY...West winds 10 to 15 knots becoming south 5 to 10 knots in the afternoon. Seas 2 to 3 feet with a dominant period 7 seconds. A moderate chop on the intracoastal waters. Chance of showers in the afternoon. .SATURDAY NIGHT...Northwest winds 15 to 20 knots becoming north 20 knots after midnight. Seas 3 to 4 feet with a dominant period 7 seconds. Choppy on the intracoastal waters. Chance of showers in the evening. .SUNDAY...North winds 15 to 20 knots. Seas 3 to 5 feet. Choppy on the intracoastal waters. .SUNDAY NIGHT...North winds 15 to 20 knots becoming northeast 10 to 15 knots after midnight. Seas 3 to 5 feet. Choppy on the intracoastal waters. .MONDAY...Northeast winds 10 to 15 knots. Seas 3 to 5 feet. A moderate chop on the intracoastal waters. .MONDAY NIGHT...Northeast winds 5 to 10 knots. Seas 3 to 4 feet. .TUESDAY...Northeast winds 10 knots. Seas 2 to 3 feet. .TUESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. .WEDNESDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. $$ AMZ470-472-474-160915- 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- 914 PM EDT Fri Oct 15 2021 .TONIGHT...East winds 5 to 10 knots becoming west late in the night. Seas 3 feet with a dominant period 8 seconds. Slight chance of showers in the evening. .SATURDAY...West winds 10 to 15 knots becoming southwest 5 to 10 knots in the afternoon. Seas 2 to 3 feet with a dominant period 7 seconds. .SATURDAY NIGHT...West winds 20 to 25 knots becoming north after midnight. Seas 3 to 4 feet with a dominant period 7 seconds. Chance of showers and slight chance of thunderstorms in the evening. Slight chance of showers after midnight. .SUNDAY...North winds 15 to 20 knots. Seas 4 to 6 feet. .SUNDAY NIGHT...Northeast winds 15 to 20 knots. Seas 4 to 6 feet. .MONDAY...Northeast winds 10 to 15 knots. Seas 4 to 5 feet. .MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 4 feet. .TUESDAY...Northeast winds 10 knots. Seas 2 to 3 feet. .TUESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. .WEDNESDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. $$