Coastal Waters Forecast
Issued by NWS Jacksonville, FL
Issued by NWS Jacksonville, FL
771 FZUS52 KJAX 011715 CWFJAX Coastal Waters Forecast for Northeast Florida/Southeast Georgia National Weather Service Jacksonville FL 1215 PM EST Sun Nov 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. AMZ400-020800- Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm- 1215 PM EST Sun Nov 1 2026 .SYNOPSIS... Strong high pressure wedged along the coast will continue elevated seas and small craft advisory conditions through at least Monday evening. Though winds will decrease through Tuesday, lingering elevated seas will remain through the middle of the week. High pressure will remain to the north but with a weaker influence through the second half of the week resulting in lighter winds and lowering seas. Bouts of showers and heavy downpours will be possible through the middle of the upcoming week, especially Monday and Tuesday as coastal troughing develops. .GULF STREAM... The approximate location of the west wall of the Gulf Stream as of Oct 31, 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. 71 nautical miles east southeast of St Simons Island. This data derived from NCEP Global RTOFS model. $$ AMZ450-020800- Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM- 1215 PM EST Sun Nov 1 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .REST OF TODAY...Northeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 5 feet at 9 seconds and east 4 feet at 5 seconds. Intracoastal waters choppy. A chance of showers. A slight chance of thunderstorms this afternoon. .TONIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 8 seconds and east 3 feet at 5 seconds. Intracoastal waters choppy. A chance of showers. .MONDAY...Northeast winds around 15 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 8 seconds. Intracoastal waters a moderate chop. A chance of showers with a slight chance of thunderstorms. .MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 5 feet at 8 seconds. Intracoastal waters a moderate chop. A chance of showers. .TUESDAY AND TUESDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 5 feet at 8 seconds. Intracoastal waters a moderate chop. A slight chance of showers. .WEDNESDAY...East winds 5 to 10 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 8 seconds. Intracoastal waters light chop. A chance of showers through the day, then a slight chance of showers and thunderstorms through the night. .THURSDAY...Northeast winds around 5 knots, becoming southwest. Seas 3 to 5 feet, occasionally to 6 feet. Intracoastal waters smooth. A slight chance of showers in the morning, then a slight chance of showers and thunderstorms in the afternoon. Winds and waves higher in and near thunderstorms. $$ AMZ452-454-020800- Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM- Coastal waters from St. Augustine to Flagler Beach FL out 20 NM- 1215 PM EST Sun Nov 1 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING... .REST OF TODAY...East winds 15 to 20 knots. Seas 6 to 7 feet, occasionally to 9 feet. Wave Detail: East 7 feet at 9 seconds and east 5 feet at 5 seconds. Intracoastal waters choppy. A chance of showers. A slight chance of thunderstorms this afternoon. .TONIGHT...East winds 15 to 20 knots. Seas 6 to 8 feet, occasionally to 10 feet. Wave Detail: East 8 feet at 7 seconds and northeast 3 feet at 8 seconds. Intracoastal waters choppy. A chance of showers with a slight chance of thunderstorms. .MONDAY...East winds 15 to 20 knots. Seas 6 to 8 feet, occasionally to 10 feet. Wave Detail: Northeast 7 feet at 8 seconds. Intracoastal waters choppy. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. .MONDAY NIGHT...East winds 15 to 20 knots. Seas 6 to 7 feet, occasionally to 9 feet. Wave Detail: East 7 feet at 8 seconds. Intracoastal waters choppy. A slight chance of thunderstorms in the evening. A chance of showers. .TUESDAY...East winds around 15 knots. Seas 6 to 7 feet, occasionally to 9 feet. Wave Detail: East 7 feet at 8 seconds. Intracoastal waters a moderate chop. A slight chance of showers in the morning, then a chance of showers in the afternoon. .TUESDAY NIGHT...East winds 10 to 15 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 8 seconds. Intracoastal waters a moderate chop. A slight chance of showers. .WEDNESDAY...East winds 5 to 10 knots. Seas 4 to 6 feet, occasionally to 8 feet. Intracoastal waters light chop. A slight chance of thunderstorms in the morning. A chance of showers. A slight chance of thunderstorms through the night. A slight chance of showers after midnight. .THURSDAY...Northeast winds 5 to 10 knots, becoming southwest. Seas 4 to 6 feet, occasionally to 8 feet. Intracoastal waters light chop. A slight chance of showers in the morning, then a slight chance of showers and thunderstorms in the afternoon. Winds and waves higher in and near thunderstorms. $$ AMZ470-472-474-020800- Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to 60 NM- Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM- Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM- 1215 PM EST Sun Nov 1 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TUESDAY NIGHT... .REST OF TODAY...East winds 20 to 25 knots. Seas 7 to 9 feet, occasionally to 11 feet. Wave Detail: East 8 feet at 9 seconds and east 5 feet at 5 seconds. A slight chance of showers late this morning, then a chance of showers with a slight chance of thunderstorms this afternoon. .TONIGHT...East winds 20 to 25 knots. Seas 7 to 9 feet, occasionally to 11 feet. Wave Detail: Northeast 8 feet at 8 seconds. A chance of showers in the evening, then a slight chance of showers and thunderstorms after midnight. .MONDAY...East winds 20 to 25 knots. Seas 7 to 9 feet, occasionally to 11 feet. Wave Detail: East 8 feet at 8 seconds. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. .MONDAY NIGHT...East winds 15 to 20 knots. Seas 7 to 8 feet, occasionally to 10 feet. Wave Detail: East 8 feet at 8 seconds. A slight chance of thunderstorms in the evening. A chance of showers. .TUESDAY AND TUESDAY NIGHT...East winds 15 to 20 knots. Seas 6 to 8 feet, occasionally to 10 feet. Wave Detail: East 8 feet at 8 seconds. A chance of showers. .WEDNESDAY...East winds 10 to 15 knots, diminishing to 5 to 10 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: East 7 feet at 8 seconds and northeast 2 feet at 7 seconds. A chance of showers. A slight chance of thunderstorms through the night. A slight chance of showers after midnight. .THURSDAY...Northeast winds 5 to 10 knots, becoming southwest. Seas 5 to 7 feet, occasionally to 9 feet. A slight chance of showers and thunderstorms through the day. Winds and seas higher in and near thunderstorms. $$