Coastal Waters Forecast
Issued by NWS Jacksonville, FL
Issued by NWS Jacksonville, FL
079 FZUS52 KJAX 080008 CWFJAX Coastal Waters Forecast for Northeast Florida/Southeast Georgia National Weather Service Jacksonville FL 708 PM EST Sun Dec 7 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. AMZ400-081515- Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm- 708 PM EST Sun Dec 7 2025 .SYNOPSIS... Rounds of showers and drizzle continue tonight as a wave of low pressure moves across the area waters and drags a cold front behind it. North-northwest winds quickly strengthen on Monday and increase to Small Craft Advisory levels Monday afternoon into Tuesday. Weak high pressure will then build over the area Tuesday into Wednesday then shift southeast Thursday as the next cold front approaches. .GULF STREAM... The approximate location of the west wall of the Gulf Stream as of Dec 06, 2025 at 1200 UTC... 71 nautical miles east of Flagler Beach. 74 nautical miles east of Saint Augustine Beach. 85 nautical miles east southeast of Jacksonville Beach. 97 nautical miles east southeast of St Simons Island. This data courtesy of the Naval Oceanographic Office. $$ AMZ452-454-472-474-081515- Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM- Coastal waters from St. Augustine to Flagler Beach FL out 20 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- 708 PM EST Sun Dec 7 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH MONDAY AFTERNOON... ...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY MORNING... .REST OF TONIGHT...Northeast winds 10 to 15 knots, becoming north. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 9 seconds and northeast 2 feet at 4 seconds. Intracoastal waters a moderate chop. Showers, mainly this evening. .MONDAY...North winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: North 5 feet at 5 seconds and east 4 feet at 9 seconds. Intracoastal waters choppy. A slight chance of showers in the morning. .MONDAY NIGHT...North winds 20 to 25 knots, diminishing to 15 to 20 knots after midnight. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: North 6 feet at 6 seconds and east 2 feet at 9 seconds. Intracoastal waters rough. .TUESDAY...North winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 5 feet at 8 seconds. Intracoastal waters choppy. .TUESDAY NIGHT...North winds 5 to 10 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at 8 seconds. Intracoastal waters light chop. .WEDNESDAY AND WEDNESDAY NIGHT...West winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at 10 seconds. Intracoastal waters a moderate chop. .THURSDAY...West winds 10 to 15 knots, becoming southwest 5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. Intracoastal waters a moderate chop. .FRIDAY...West winds 10 to 15 knots, becoming northwest 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Intracoastal waters choppy. A slight chance of showers through the night. $$ AMZ450-081515- Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM- 708 PM EST Sun Dec 7 2025 .REST OF TONIGHT...Northeast winds around 10 knots, becoming north. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 4 seconds and east 2 feet at 10 seconds. Intracoastal waters a moderate chop. Showers, mainly this evening. .MONDAY...North winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: North 3 feet at 4 seconds and east 2 feet at 9 seconds. Intracoastal waters choppy. A slight chance of showers in the morning. .MONDAY NIGHT...North winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: North 4 feet at 5 seconds and east 2 feet at 9 seconds. Intracoastal waters choppy. .TUESDAY...North winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 4 feet at 6 seconds and east 3 feet at 9 seconds. Intracoastal waters a moderate chop. .TUESDAY NIGHT...North winds 5 to 10 knots, becoming northwest after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 9 seconds. Intracoastal waters light chop. .WEDNESDAY AND WEDNESDAY NIGHT...West winds 5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 10 seconds and southwest 2 feet at 3 seconds. Intracoastal waters light chop. .THURSDAY THROUGH FRIDAY...Northwest winds 10 to 15 knots. Seas 2 to 3 feet. Intracoastal waters a moderate chop. $$ AMZ470-081515- Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to 60 NM- 708 PM EST Sun Dec 7 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 7 AM EST MONDAY THROUGH MONDAY AFTERNOON... ...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY MORNING... .REST OF TONIGHT...East winds around 10 knots, becoming north. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 3 feet at 9 seconds and northeast 2 feet at 4 seconds. Showers, mainly this evening. .MONDAY...North winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: North 4 feet at 5 seconds and east 3 feet at 9 seconds. A slight chance of showers in the morning. .MONDAY NIGHT...North winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: North 5 feet at 5 seconds and east 2 feet at 9 seconds. .TUESDAY...North winds around 15 knots, diminishing to around 10 knots in the afternoon. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at 7 seconds and east 5 feet at 9 seconds. .TUESDAY NIGHT...North winds 5 to 10 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at 9 seconds. .WEDNESDAY AND WEDNESDAY NIGHT...West winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 10 seconds and west 2 feet at 3 seconds. .THURSDAY...West winds 10 to 15 knots, becoming southwest 5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. .FRIDAY...West winds 10 to 15 knots, becoming northwest 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. A slight chance of showers through the night. $$