240 FZUS52 KJAX 200407 CWFJAX Coastal Waters Forecast for Northeast Florida/Southeast Georgia National Weather Service Jacksonville FL 1207 AM EDT Wed May 20 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. AMZ400-201915- Synopsis for Altamaha Sound GA to Flagler Beach FL out to 60 nm- 1207 AM EDT Wed May 20 2026 .SYNOPSIS... High pressure will be centered to the east northeast this week and through the weekend. Mainly southeast flow will continue through the period with a daily sea breeze near the Atlantic Coast. .GULF STREAM... The approximate location of the west wall of the Gulf Stream as of May 19, 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. 76 nautical miles east southeast of St Simons Island. This data derived from NCEP Global RTOFS model. $$ AMZ450-452-454-201915- Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM- Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM- Coastal waters from St. Augustine to Flagler Beach FL out 20 NM- 1207 AM EDT Wed May 20 2026 .REST OF TONIGHT...Southeast winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 8 seconds. Intracoastal waters light chop. .WEDNESDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas around 3 feet. Wave Detail: East 3 feet at 8 seconds. Intracoastal waters a moderate chop. A slight chance of showers in the morning. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots, becoming south 5 to 10 knots after midnight. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 8 seconds. Intracoastal waters a moderate chop. .THURSDAY...South winds 5 to 10 knots, becoming southeast 10 to 15 knots in the afternoon. Seas around 3 feet. Wave Detail: Southeast 3 feet at 9 seconds. Intracoastal waters a moderate chop. .THURSDAY NIGHT THROUGH FRIDAY NIGHT...Southeast winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 8 seconds and southeast 3 feet at 4 seconds. Intracoastal waters choppy. .SATURDAY THROUGH SUNDAY...Southeast winds 15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 5 seconds and southeast 4 feet at 8 seconds. Intracoastal waters choppy. A slight chance of showers and thunderstorms. Winds and waves higher in and near thunderstorms. $$ AMZ470-472-474-201915- 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- 1207 AM EDT Wed May 20 2026 .REST OF TONIGHT...Southeast winds 10 to 15 knots, diminishing to 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East 4 feet at 8 seconds. A slight chance of showers. .WEDNESDAY...East winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 9 seconds. A slight chance of showers and thunderstorms in the morning. .WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 9 seconds. .THURSDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 3 feet at 9 seconds. .THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 9 seconds. .FRIDAY...Southeast winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 9 seconds. A slight chance of showers in the morning. .FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas around 4 feet, occasionally to 5 feet. .SATURDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. .SUNDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. A slight chance of showers in the morning. A slight chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$  136 FZAK52 PAJK 200457 AAA CWFAEG Coastal Waters Forecast for Southeast Alaska...UPDATED National Weather Service Juneau AK 857 PM AKDT Tue May 19 2026 Southeast Alaska Coastal Waters from Dixon Entrance to Cape Suckling out 100 NM Wind forecasts reflect the predominant speed and direction expected. Seas forecasts represent the average of the highest one-third of the combined windwave and swell height. PKZ099-202300- 857 PM AKDT Tue May 19 2026 .SYNOPSIS FOR OUTSIDE WATERS... A gale force low is currently developing near forty eight north one fifty eight west. This system will rapidly move northeast, with the low center reaching fifty eight north one forty seven west by Wednesday morning. Expect gale force southeasterly winds along much of our coast and seas of 12 to 15 ft Wednesday. Highest seas and winds from Cape Edgecumbe to Cape Saint Elias. Wind and seas begin to moderate Thursday afternoon. $$ PKZ641-202300- Dixon Entrance to Cape Decision out to 15 NM- 857 PM AKDT Tue May 19 2026 ...SMALL CRAFT ADVISORY WEDNESDAY... .TONIGHT...SW wind 10 kt becoming S late. Seas 6 ft. .WED...S wind 30 kt. Seas 11 ft. Showers. .WED NIGHT...S wind 30 kt becoming SW 15 kt late. Seas 12 ft. Showers. .THU...W wind 15 kt. Seas 8 ft. .THU NIGHT...W wind 15 kt. Seas 6 ft. .FRI...W wind 15 kt. Seas 7 ft. .SAT...SW wind 15 kt. Seas 8 ft. .SUN...S wind 30 kt. Seas 10 ft. $$ PKZ661-202300- Dixon Entrance to Cape Decision from 15 to 90 NM- 857 PM AKDT Tue May 19 2026 ...SMALL CRAFT ADVISORY WEDNESDAY... .TONIGHT...S wind 15 kt. Seas 7 ft. Showers. .WED...S wind 30 kt. Seas 13 ft. Showers. .WED NIGHT...S wind 25 kt becoming W 15 kt late. Seas 12 ft. Showers. .THU...W wind 15 kt. Seas 8 ft. .THU NIGHT...NW wind 15 kt. Seas 6 ft. .FRI...W wind 15 kt. Seas 8 ft. .SAT...SW wind 25 kt. Seas 10 ft. .SUN...S wind 25 kt. Seas 10 ft. $$ PKZ642-202300- Cape Decision to Cape Edgecumbe out to 15 NM- 857 PM AKDT Tue May 19 2026 ...GALE WARNING WEDNESDAY... .TONIGHT...SW wind 10 kt becoming S 15 kt. Seas 6 ft. Rain showers. .WED...S wind 35 kt. Seas 13 ft. Rain showers. .WED NIGHT...S wind 30 kt becoming SW 15 kt late. Seas 12 ft. .THU...W wind 15 kt. Seas 8 ft. .THU NIGHT...W wind 10 kt. Seas 6 ft. .FRI...W wind 10 kt. Seas 7 ft. .SAT...S wind 20 kt. Seas 9 ft. .SUN...SE wind 25 kt. Seas 10 ft. $$ PKZ662-202300- Cape Decision to Cape Edgecumbe from 15 to 80 NM- 857 PM AKDT Tue May 19 2026 ...GALE WARNING WEDNESDAY... .TONIGHT...S wind 15 kt increasing to 20 kt late. Seas 7 ft. Showers. .WED...S wind 35 kt. Seas 14 ft. Showers. .WED NIGHT...SW wind 25 kt becoming W 15 kt late. Seas 13 ft. Showers. .THU...W wind 15 kt. Seas 8 ft. .THU NIGHT...W wind 15 kt. Seas 6 ft. .FRI...W wind 15 kt. Seas 9 ft. .SAT...W wind 25 kt. Seas 10 ft. .SUN...S wind 25 kt. Seas 11 ft. $$ PKZ643-202300- Cape Edgecumbe to Cape Spencer out to 15 NM- 857 PM AKDT Tue May 19 2026 ...GALE WARNING WEDNESDAY... .TONIGHT...S wind 15 kt. Seas 6 ft building to 7 ft. Rain showers. .WED...SE wind 35 kt. Seas 13 ft. Rain showers. .WED NIGHT...S wind 25 kt becoming SW 15 kt late. Seas 12 ft. Showers. .THU...W wind 15 kt. Seas 8 ft. .THU NIGHT...SW wind 10 kt. Seas 6 ft. .FRI...W wind 15 kt. Seas 7 ft. .SAT...SW wind 15 kt. Seas 8 ft. .SUN...SE wind 15 kt. Seas 9 ft. $$ PKZ663-202300- Cape Edgecumbe to Cape Spencer from 15 to 80 NM- 857 PM AKDT Tue May 19 2026 UPDATED ...GALE WARNING WEDNESDAY... .TONIGHT...S wind 20 kt. Seas 7 ft building to 8 ft. Showers. .WED...S wind 35 kt. Seas 14 ft. Showers. .WED NIGHT...SW wind 20 kt becoming W 15 kt late. Seas 12 ft. .THU...W wind 15 kt. Seas 8 ft. .THU NIGHT...SW wind 15 kt. Seas 6 ft. .FRI...W wind 15 kt.Seas 9 ft. .SAT...W wind 25 kt. Seas 9 ft. .SUN...SE wind 20 kt. Seas 11 ft. $$ PKZ644-202300- Cape Spencer to Cape Fairweather out to 15 NM- 857 PM AKDT Tue May 19 2026 ...GALE WARNING WEDNESDAY... .TONIGHT...S wind 20 kt becoming SE 25 kt late. Seas 7 ft building to 8 ft. Rain showers. .WED...SE wind 35 kt becoming E 45 kt in the afternoon. Seas 14 ft. Rain showers. .WED NIGHT...SE wind 30 kt becoming S 15 kt late. Gusts to 45 kt. Seas 12 ft. .THU...W wind 15 kt. Seas 8 ft. .THU NIGHT...W wind 15 kt. Seas 6 ft. .FRI...W wind 15 kt. Seas 7 ft. .SAT...SW wind 10 kt. Seas 8 ft. .SUN...N wind 25 kt. Seas 8 ft. $$ PKZ664-202300- Cape Spencer to Cape Fairweather from 15 to 85 NM- 857 PM AKDT Tue May 19 2026 ...GALE WARNING WEDNESDAY... .TONIGHT...S wind 15 kt becoming SE 25 kt. Seas 7 ft building to 8 ft. Showers. .WED...SE wind 40 kt. Seas 15 ft. Showers. .WED NIGHT...SW wind 20 kt becoming W 15 kt late. Gusts to 40 kt. Seas 12 ft. .THU...W wind 15 kt. Seas 8 ft. .THU NIGHT...SW wind 15 kt. Seas 6 ft. .FRI...W wind 15 kt. Seas 9 ft. .SAT...SW wind 20 kt. Seas 9 ft. .SUN...E wind 25 kt. Seas 10 ft. $$ PKZ651-202300- Cape Fairweather to Icy Cape out to 15 NM- 857 PM AKDT Tue May 19 2026 ...GALE WARNING WEDNESDAY... .TONIGHT...SE wind 25 kt. Seas 9 ft. Rain showers through the night. .WED...SE wind 30 kt increasing to 40 kt in the afternoon. Seas 14 ft. Rain showers. .WED NIGHT...S wind 30 kt diminishing to 15 kt late. Seas 12 ft. .THU...SW wind 10 kt. Seas 8 ft. .THU NIGHT...S wind 20 kt. Seas 6 ft. Rain showers. .FRI...SW wind 15 kt. Seas 7 ft. .SAT...S wind 15 kt. Seas 8 ft. .SUN...NW wind 15 kt. Seas 7 ft. $$ PKZ671-202300- Cape Fairweather to Icy Cape from 15 to 80 NM- 857 PM AKDT Tue May 19 2026 ...GALE WARNING WEDNESDAY... .TONIGHT...SE wind 20 kt increasing to 25 kt late. Seas 7 ft building to 9 ft. Showers through the night. .WED...SE wind 40 kt. Seas 15 ft. Showers. .WED NIGHT...SW wind 20 kt diminishing to 15 kt late. Gusts to 35 kt. Seas 12 ft. .THU...SW wind 15 kt. Seas 8 ft. .THU NIGHT...S wind 15 kt. Seas 6 ft. .FRI...SW wind 15 kt. Seas 8 ft. .SAT...S wind 15 kt. Seas 8 ft. .SUN...NW wind 20 kt. Seas 9 ft. $$ PKZ652-202300- Icy Cape to Cape Suckling out to 15 NM- 857 PM AKDT Tue May 19 2026 UPDATED ...GALE WARNING THROUGH WEDNESDAY... .REST OF TONIGHT...E wind increasing to 35 kt. Seas building to 12 ft. Showers. .WED...E wind 45 kt. Seas 15 ft. Showers. .WED NIGHT...E gale to 35 kt becoming SE 10 kt late. Seas 11 ft. .THU...SE wind 10 kt. Seas 7 ft. .THU NIGHT...SE wind 20 kt. Seas 7 ft. Rain showers. .FRI...SE wind 20 kt. Seas 7 ft. .SAT...SE wind 15 kt. Seas 7 ft. .SUN...W wind 15 kt. Seas 6 ft. $$ PKZ672-202300- Icy Cape to Cape Suckling from 15 to 80 NM- 857 PM AKDT Tue May 19 2026 UPDATED ...GALE WARNING WEDNESDAY... .REST OF TONIGHT...SE wind 30 kt. Seas 12 ft. Showers. .WED...E wind 40 kt. Seas 15 ft. Showers. .WED NIGHT...SW wind 30 kt diminishing to 20 kt late. Seas 12 ft. .THU...SW wind 15 kt. Seas 8 ft. .THU NIGHT...S wind 20 kt. Seas 7 ft. .FRI...SW wind 15 kt. Seas 8 ft. .SAT...S wind 15 kt. Seas 8 ft. .SUN...W wind 20 kt. Seas 8 ft. $$