


Coastal Waters Forecast
Issued by NWS Jacksonville, FL
Issued by NWS Jacksonville, FL
192 FZUS52 KJAX 112155 CWFJAX Coastal Waters Forecast for Northeast Florida/Southeast Georgia National Weather Service Jacksonville FL 555 PM EDT Sat Oct 11 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. AMZ400-121300- Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm- 555 PM EDT Sat Oct 11 2025 .SYNOPSIS... Gales continue over the local waters through tonight as an area of low pressure offshore of the Florida Atlantic coast tracks northward. Waves of showers with isolated thunderstorms will continue to impact the coastal waters, with decreasing rain chances tonight into Sunday as the low tracks away from the local waters. Small craft advisory conditions develop Sunday and persist through Monday due to elevated combined seas. High pressure builds north of the region Tuesday and Wednesday, with a resurgence of northeast winds trailing a dry frontal passage. .GULF STREAM... The approximate location of the west wall of the Gulf Stream as of Oct 09, 2025 at 1200 UTC... 64 nautical miles east of Flagler Beach. 72 nautical miles east northeast of Saint Augustine Beach. 75 nautical miles east of Jacksonville Beach. 92 nautical miles east of St Simons Island. This data courtesy of the Naval Oceanographic Office. $$ AMZ450-121300- Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM- 555 PM EDT Sat Oct 11 2025 ...GALE WARNING IN EFFECT THROUGH LATE TONIGHT... ...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY EVENING... .TONIGHT...North winds 25 to 30 knots with gusts up to 40 knots, becoming northwest 20 to 25 knots after midnight. Seas 6 to 9 feet, occasionally to 11 feet. Wave Detail: Northeast 9 feet at 10 seconds and northeast 4 feet at 6 seconds. Intracoastal waters very rough. A chance of showers this evening. .SUNDAY...Northwest winds 15 to 20 knots. Seas 5 to 8 feet, occasionally to 10 feet. Wave Detail: East 8 feet at 11 seconds and southeast 3 feet at 13 seconds. Intracoastal waters choppy. A slight chance of showers in the afternoon. .SUNDAY NIGHT...Northwest winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 5 feet at 11 seconds and east 4 feet at 12 seconds. Intracoastal waters choppy. A slight chance of showers in the evening. .MONDAY...North winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 12 seconds and northwest 2 feet at 4 seconds. Intracoastal waters a moderate chop. .MONDAY NIGHT THROUGH TUESDAY NIGHT...North winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 11 seconds and northeast 3 feet at 5 seconds. Intracoastal waters a moderate chop. .WEDNESDAY THROUGH THURSDAY...East winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 9 seconds and northeast 3 feet at 6 seconds. Intracoastal waters a moderate chop. $$ AMZ452-454-121300- Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM- Coastal waters from St. Augustine to Flagler Beach FL out 20 NM- 555 PM EDT Sat Oct 11 2025 ...GALE WARNING IN EFFECT THROUGH LATE TONIGHT... ...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH LATE SUNDAY NIGHT... .TONIGHT...North winds 25 to 30 knots with gusts up to 40 knots, diminishing to 20 to 25 knots after midnight. Seas 8 to 11 feet, occasionally to 14 feet. Wave Detail: Northeast 10 feet at 10 seconds and north 7 feet at 7 seconds. Intracoastal waters very rough. A chance of showers this evening. .SUNDAY...Northwest winds 15 to 20 knots. Seas 6 to 9 feet, occasionally to 11 feet. Wave Detail: Northeast 9 feet at 10 seconds and east 2 feet at 14 seconds. Intracoastal waters choppy. .SUNDAY NIGHT...Northwest winds 10 to 15 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Northeast 7 feet at 11 seconds and east 3 feet at 12 seconds. Intracoastal waters a moderate chop. .MONDAY...North winds 10 to 15 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 5 feet at 10 seconds and east 3 feet at 12 seconds. Intracoastal waters a moderate chop. .MONDAY NIGHT THROUGH TUESDAY NIGHT...North winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 5 feet at 6 seconds and northeast 5 feet at 10 seconds. Intracoastal waters choppy. .WEDNESDAY THROUGH THURSDAY...Northeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 6 feet at 6 seconds and northeast 6 feet at 12 seconds. Intracoastal waters choppy. $$ AMZ470-472-474-121300- Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to 60 NM- Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM- Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM- 555 PM EDT Sat Oct 11 2025 ...GALE WARNING IN EFFECT THROUGH LATE TONIGHT... ...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY EVENING... .TONIGHT...North winds 25 to 30 knots, diminishing to 20 to 25 knots after midnight. Seas 10 to 13 feet, occasionally to 17 feet. Wave Detail: Northeast 11 feet at 10 seconds and north 9 feet at 7 seconds. A chance of showers, mainly this evening. .SUNDAY...Northwest winds 15 to 20 knots. Seas 9 to 11 feet, occasionally to 14 feet, subsiding to 7 to 10 feet, occasionally to 13 feet in the afternoon. Wave Detail: Northeast 11 feet at 10 seconds and east 2 feet at 14 seconds, becoming northeast 9 feet at 10 seconds and northwest 2 feet at 6 seconds. A slight chance of showers. .SUNDAY NIGHT...Northwest winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 6 to 9 feet, occasionally to 11 feet. Wave Detail: Northeast 8 feet at 10 seconds and north 4 feet at 6 seconds. A slight chance of showers. .MONDAY...North winds around 15 knots. Seas 6 to 7 feet, occasionally to 9 feet. Wave Detail: Northeast 6 feet at 10 seconds and east 4 feet at 12 seconds. .MONDAY NIGHT THROUGH TUESDAY NIGHT...Northeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 6 feet at 10 seconds and northeast 5 feet at 6 seconds. .WEDNESDAY THROUGH THURSDAY...Northeast winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Northeast 7 feet at 12 seconds and northeast 5 feet at 7 seconds. $$