FZAK51 PAJK 201210 CWFAJK Coastal Waters Forecast for Southeast Alaska National Weather Service Juneau AK 410 AM AKDT Wed May 20 2026 Southeast Alaska Inside Waters from Dixon Entrance to Skagway Wind forecasts reflect the predominant speed and direction expected. Sea forecasts represent the average of the highest one-third of the combined windwave and swell height. PKZ098-210300- 410 AM AKDT Wed May 20 2026 .SYNOPSIS FOR SOUTHEAST ALASKA INNER CHANNELS COASTAL WATERS... A developing gale force low is expected to rapidly move northeast, with the low center reaching fifty eight north one forty seven west by this morning. Expect gale force southeasterly winds along much of our coast and seas of 12 to 15 ft today. Highest seas and winds from Cape Edgecumbe to Cape Saint Elias. Wind and seas begin to moderate Thursday afternoon. $$ PKZ011-210300- Glacier Bay- 410 AM AKDT Wed May 20 2026 ...SMALL CRAFT ADVISORY THIS AFTERNOON THROUGH THIS EVENING... .TODAY...NW wind 10 kt becoming SE 25 kt. Gusts to 40 kt in the afternoon. Seas building to 4 ft. Rain. .TONIGHT...SE wind 25 kt. Seas 4 ft. Rain in the evening, then rain showers late. .THU...SE wind 20 kt. Seas 3 ft. Patchy dense fog in the morning. Rain showers in the morning. .THU NIGHT...SE wind 15 kt. Seas 3 ft. Rain showers. .FRI...SE wind 10 kt. Seas 2 ft or less. .SAT...S wind 10 kt. Seas 2 ft or less. .SUN...NW wind 10 kt. Seas 2 ft or less. $$ PKZ012-210300- Northern Lynn Canal- 410 AM AKDT Wed May 20 2026 ...SMALL CRAFT ADVISORY THIS EVENING... .TODAY...SE wind 20 kt. Gusts to 35 kt in the afternoon. Seas 4 ft. Rain. .TONIGHT...S wind 25 kt. Seas 5 ft. Rain in the evening, then rain showers late. .THU...S wind 15 kt increasing to 25 kt in the afternoon. Seas 4 ft. Rain showers in the morning. .THU NIGHT...S wind 25 kt. Seas 4 ft. .FRI...S wind 20 kt. Seas 4 ft. .SAT...S wind 15 kt. Seas 3 ft. .SUN...S wind 10 kt. Seas 2 ft or less. $$ PKZ013-210300- Southern Lynn Canal- 410 AM AKDT Wed May 20 2026 ...SMALL CRAFT ADVISORY THIS AFTERNOON THROUGH THIS EVENING... .TODAY...SE wind 20 kt. Gusts to 40 kt in the afternoon. Seas 5 ft. Rain. .TONIGHT...SE wind 25 kt. Seas 4 ft. Rain in the evening, then rain showers late. .THU...S wind 20 kt. Seas 4 ft. Rain showers in the morning. .THU NIGHT...SE wind 15 kt. Seas 3 ft. .FRI...S wind 20 kt. Seas 3 ft. .SAT...S wind 10 kt. Seas 2 ft or less. .SUN...NW wind 10 kt. Seas 2 ft or less. $$ PKZ021-210300- Icy Strait- 410 AM AKDT Wed May 20 2026 ...SMALL CRAFT ADVISORY THROUGH THIS EVENING... .TODAY...E wind 15 increasing to 25 kt in the afternoon. Seas 5 ft. Rain. .TONIGHT...E wind 25 kt diminishing to 20 kt. Seas 4 ft in the evening then 2 ft or less. Rain in the evening. .THU...SW wind 15 kt. Seas 3 ft. .THU NIGHT...W wind 15 kt. Seas 3 ft. .FRI...SE wind 10 kt. Seas 2 ft or less. .SAT...S wind 10 kt. Seas 2 ft or less. .SUN...W wind 10 kt. Seas 2 ft or less. $$ PKZ022-210300- Cross Sound- 410 AM AKDT Wed May 20 2026 ...SMALL CRAFT ADVISORY THROUGH LATE TONIGHT... .TODAY...E wind 10 kt increasing to 25 kt. Seas 8 ft. Rain. .TONIGHT...E wind 20 kt becoming W late. Seas 8 ft. Rain in the evening. .THU...W wind 15 kt. Seas 7 ft. Rain showers in the morning. .THU NIGHT...SW wind 15 kt. Seas 5 ft. Rain showers. .FRI...SW wind 15 kt. Seas 7 ft. .SAT...SW wind 10 kt. Seas 7 ft. .SUN...W wind 10 kt. Seas 6 ft. $$ PKZ031-210300- Stephens Passage- 410 AM AKDT Wed May 20 2026 ...SMALL CRAFT ADVISORY THROUGH LATE TONIGHT... .TODAY...SE wind 20 kt increasing to 30 kt in the afternoon. Seas building to 5 ft. Rain. .TONIGHT...S wind 25 kt diminishing to 20 kt late. Gusts to 40 kt in the evening. Seas 5 ft. Rain in the evening, then rain showers late. .THU...S wind 10 kt. Seas 2 ft or less. Rain showers. .THU NIGHT...S wind 10 kt. Seas 2 ft or less. .FRI...SE wind 15 kt. Seas 3 ft. .SAT...SE wind 10 kt. Seas 3 ft. .SUN...SE wind 15 kt. Seas 3 ft. $$ PKZ032-210300- Northern Chatham Strait- 410 AM AKDT Wed May 20 2026 ...SMALL CRAFT ADVISORY THROUGH THIS EVENING... .TODAY...SE wind 15 kt increasing to 25 kt. Seas 5 ft. Rain. .TONIGHT...SE wind 25 kt becoming S 15 kt late. Seas 4 ft. Rain in the evening. .THU...S wind 10 kt. Seas 2 ft or less. .THU NIGHT...S wind 10 kt. Seas 2 ft or less. .FRI...S wind 10 kt. Seas 2 ft or less. .SAT...S wind 10 kt. Seas 2 ft or less. .SUN...SE wind 10 kt. Seas 2 ft or less. $$ PKZ033-210300- Southern Chatham Strait- 410 AM AKDT Wed May 20 2026 ...SMALL CRAFT ADVISORY THROUGH THIS EVENING... .TODAY...SE wind 10 kt increasing to 25 kt. Seas building to 6 ft. Near ocean entrances, seas 6 ft building to 12 ft in the afternoon. Rain. .TONIGHT...S wind 25 kt diminishing to 15 kt late. Seas 8 ft subsiding to 5 ft late. Near ocean entrances, seas 13 ft subsiding to 9 ft late. Rain in the evening. .THU...Light winds becoming SW 10 kt in the afternoon. Seas 3 ft in the morning then 2 ft or less. Near ocean entrances, seas 7 ft. .THU NIGHT...SW wind 10 kt. Seas 2 ft or less, except 6 ft near ocean entrances. .FRI...S wind 10 kt. Seas 2 ft or less. .SAT...S wind 10 kt. Seas 2 ft or less. .SUN...N wind 15 kt. Seas 5 ft. $$ PKZ034-210300- Frederick Sound- 410 AM AKDT Wed May 20 2026 ...SMALL CRAFT ADVISORY THROUGH LATE TONIGHT... .TODAY...SE wind 15 kt increasing to 25 kt in the afternoon. Seas building to 5 ft. Rain. .TONIGHT...S wind 25 kt diminishing to 20 kt late. Out of interior passes, gusts to 40 kt in the evening. Seas 5 ft. Rain in the evening. .THU...S wind 10 kt. Seas 2 ft or less. Rain showers in the morning. .THU NIGHT...S wind 10 kt. Seas 2 ft or less. .FRI...S wind 10 kt. Seas 2 ft or less. .SAT...S wind 10 kt. Seas 2 ft or less. .SUN...SE wind 15 kt. Seas 3 ft. $$ PKZ035-210300- Sumner Strait- 410 AM AKDT Wed May 20 2026 ...SMALL CRAFT ADVISORY THIS AFTERNOON THROUGH LATE TONIGHT... .TODAY...E wind 15 kt becoming SE 25 kt in the afternoon. Seas building to 5 ft. Near ocean entrances, seas 5 ft building to 8 ft in the afternoon. Rain. .TONIGHT...E wind 25 kt. Out of interior passes, gusts to 35 kt in the evening. Seas 5 ft, except 8 ft near ocean entrances. Rain. .THU...SW wind 10 kt. Seas 2 ft or less, except 5 ft near ocean entrances. Showers in the morning. .THU NIGHT...SW wind 10 kt. Seas 2 ft or less. .FRI...S wind 10 kt. Seas 2 ft or less. .SAT...S wind 10 kt. Seas 2 ft or less. .SUN...SE wind 10 kt. Seas 3 ft. $$ PKZ036-210300- Clarence Strait- 410 AM AKDT Wed May 20 2026 ...SMALL CRAFT ADVISORY THIS AFTERNOON THROUGH LATE TONIGHT... .TODAY...SE wind 15 kt increasing to 25 kt in the afternoon. Seas building to 4 ft. Rain in the afternoon. .TONIGHT...S wind 25 kt. Out of interior passes, gusts to 35 kt in the evening. Seas 5 ft. Rain. .THU...S wind 10 kt. Seas 3 ft in the morning then 2 ft or less. Near ocean entrances, seas 6 ft. Showers in the morning. .THU NIGHT...NW wind 10 kt. Seas 2 ft or less, except 5 ft near ocean entrances. .FRI...SE wind 15 kt. Seas 3 ft. .SAT...S wind 15 kt. Seas 3 ft. .SUN...SE wind 25 kt. Seas 10 ft. $$