Coastal Waters Forecast
Issued by NWS Jacksonville, FL
Issued by NWS Jacksonville, FL
910 FZUS52 KJAX 040004 CWFJAX Coastal Waters Forecast for Northeast Florida/Southeast Georgia National Weather Service Jacksonville FL 704 PM EST Tue Nov 3 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. AMZ400-041515- Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm- 704 PM EST Tue Nov 3 2026 .SYNOPSIS... Strong high pressure centered off the mid-Atlantic coast will shift further eastward tonight as a coastal trough remains situated over near shore waters. Breezy onshore winds will maintain elevated seas through tonight, with Small Craft Advisory conditions prevailing offshore northeast Florida waters. Another round of showers may develop overnight tonight across our local waters. Small Craft Advisory conditions diminishing to Caution levels by Wednesday. Meanwhile, a cold front will move into the southeastern states on Wednesday night before slowing its forward progress late this week. Southeasterly winds on Thursday will shift to southerly overnight and then southwesterly on Friday ahead of this front, followed by prevailing northwest to northerly winds this weekend in the wake of the frontal passage. A reinforcing cold front will then cross our local waters on Sunday night and Monday morning, with high pressure building over the lower Mississippi Valley providing a surge of breezy northwesterly winds in the wake of this frontal passage. .GULF STREAM... The approximate location of the west wall of the Gulf Stream as of Nov 03, 2026 at 0000 UTC... 54 nautical miles east of Flagler Beach. 62 nautical miles east of Saint Augustine Beach. 74 nautical miles east southeast of Jacksonville Beach. 71 nautical miles east southeast of St Simons Island. This data derived from NCEP Global RTOFS model. $$ AMZ452-454-041515- Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM- Coastal waters from St. Augustine to Flagler Beach FL out 20 NM- 704 PM EST Tue Nov 3 2026 .REST OF TONIGHT...East winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 8 seconds. Intracoastal waters a moderate chop. .WEDNESDAY...East winds 5 to 10 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 8 seconds and northeast 2 feet at 7 seconds. Intracoastal waters light chop. .WEDNESDAY NIGHT...East winds 5 to 10 knots, becoming southeast after midnight. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 8 seconds and northeast 2 feet at 7 seconds. Intracoastal waters light chop. .THURSDAY...East winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 8 seconds. Intracoastal waters light chop. .THURSDAY NIGHT...Southeast winds around 5 knots, becoming south after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 9 seconds. Intracoastal waters smooth. .FRIDAY...Southwest winds around 5 knots, becoming southeast in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 10 seconds. Intracoastal waters smooth. A slight chance of showers and thunderstorms in the afternoon. .FRIDAY NIGHT...South winds 5 to 10 knots, becoming west after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Intracoastal waters light chop. .SATURDAY...North winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Intracoastal waters light chop. .SUNDAY...North winds 5 to 10 knots, increasing to 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Intracoastal waters choppy. A slight chance of showers after midnight. Winds and waves higher in and near thunderstorms. $$ AMZ450-041515- Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM- 704 PM EST Tue Nov 3 2026 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 10 PM EST THIS EVENING... .REST OF TONIGHT...East winds around 10 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 8 seconds. Intracoastal waters light chop. .WEDNESDAY...East winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 8 seconds. Intracoastal waters light chop. .WEDNESDAY NIGHT...Southeast winds around 5 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 8 seconds. Intracoastal waters smooth. .THURSDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 8 seconds. Intracoastal waters light chop. .THURSDAY NIGHT...South winds around 5 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 9 seconds. Intracoastal waters smooth. .FRIDAY...Southwest winds 5 to 10 knots. Seas around 3 feet. Wave Detail: East 3 feet at 10 seconds. Intracoastal waters light chop. A slight chance of showers and thunderstorms in the afternoon. .FRIDAY NIGHT...Southwest winds around 5 knots, becoming northwest after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Intracoastal waters light chop. .SATURDAY THROUGH SUNDAY...North winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Intracoastal waters a moderate chop. A slight chance of showers. Winds and waves higher in and near thunderstorms. $$ AMZ472-474-041515- Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM- Waters from St. Augustine to Flagler Beach FL from 20 to 60 NM- 704 PM EST Tue Nov 3 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM EST WEDNESDAY... ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 3 AM EST WEDNESDAY THROUGH WEDNESDAY EVENING... .REST OF TONIGHT...East winds 10 to 15 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: East 7 feet at 8 seconds and northeast 2 feet at 7 seconds. .WEDNESDAY...East winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 8 seconds and northeast 2 feet at 7 seconds. .WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 8 seconds and northeast 2 feet at 7 seconds. .THURSDAY...East winds around 5 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 8 seconds and northeast 2 feet at 7 seconds. .THURSDAY NIGHT AND FRIDAY...South winds 5 to 10 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 9 seconds. .FRIDAY NIGHT...South winds 5 to 10 knots, becoming west 10 to 15 knots after midnight. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 10 seconds. .SATURDAY...Northwest winds 10 to 15 knots, becoming north 5 to 10 knots. Seas 4 to 5 feet, occasionally to 6 feet. .SUNDAY...North winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. A slight chance of showers. $$ AMZ470-041515- Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to 60 NM- 704 PM EST Tue Nov 3 2026 .REST OF TONIGHT...East winds 10 to 15 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 8 seconds. .WEDNESDAY...East winds 5 to 10 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 8 seconds and northeast 2 feet at 7 seconds. .WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 8 seconds and northeast 2 feet at 7 seconds. .THURSDAY...Southeast winds around 5 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 8 seconds. .THURSDAY NIGHT AND FRIDAY...Southwest winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 10 seconds. .FRIDAY NIGHT...Southwest winds 5 to 10 knots, becoming west after midnight. Seas around 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 10 seconds. .SATURDAY...North winds 5 to 10 knots. Seas 4 to 5 feet, occasionally to 6 feet. .SUNDAY...North winds 5 to 10 knots, increasing to 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. A slight chance of showers after midnight. $$