Whittier Marine Forecast: Passage Canal and the Sound

The National Weather Service coastal waters forecast for Passage Canal and northwest Prince William Sound: advisories, wind and seas, today and the week ahead.

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Passage Canal

The canal itself, from the harbor out to its mouth.

Small craft advisory tonight

Tonight

wind up to 25 kt, seas up to 4 ft

E wind 25 kt diminishing to 10 kt after midnight. Seas 4 ft subsiding to 2 ft after midnight. Widespread rain showers.

Saturday

wind up to 15 kt, seas up to 2 ft

E wind 15 kt. Seas 2 ft. Widespread rain showers.

Saturday night

wind up to 15 kt, seas up to 2 ft

E wind 15 kt. Seas 2 ft. Widespread rain showers.

Sunday

wind up to 10 kt, seas up to 2 ft

E wind 10 kt. Seas 2 ft.

Sunday night

wind up to 10 kt, seas up to 2 ft

Variable wind less than 10 kt. Seas 2 ft.

Monday

wind up to 10 kt, seas up to 2 ft

E wind 10 kt. Seas 2 ft.

Tuesday

wind up to 15 kt, seas up to 2 ft

E wind 15 kt. Seas 2 ft.

Wednesday

wind up to 20 kt, seas up to 3 ft

E wind 20 kt. Seas 3 ft.

Northwest Prince William Sound

Beyond the mouth of the canal, where most day cruises, fishing trips and kayak trips head.

Gale warning tonight

Tonight

wind up to 45 kt, seas up to 12 ft

E wind 45 kt becoming SE 15 kt after midnight. Seas 12 ft subsiding to 2 ft after midnight. Widespread rain showers.

Saturday

wind up to 20 kt, seas up to 4 ft

E wind 20 kt. Seas 4 ft. Widespread rain showers.

Saturday night

wind up to 25 kt, seas up to 4 ft

NE wind 25 kt. Seas 4 ft. Widespread rain showers.

Sunday

wind up to 20 kt, seas up to 4 ft

NE wind 20 kt. Seas 4 ft.

Sunday night

wind up to 15 kt, seas up to 2 ft

NE wind 15 kt. Seas 2 ft.

Monday

wind up to 35 kt, seas up to 7 ft

E wind 35 kt. Seas 7 ft.

Tuesday

wind up to 40 kt, seas up to 7 ft

E wind 40 kt. Seas 7 ft.

Wednesday

wind up to 20 kt, seas up to 4 ft

E wind 20 kt. Seas 4 ft.

Good to know

The wind runs along the canal

Alaska DOT&PF's summary for Whittier puts winds of 40 to 60 mph as common here, blowing hardest east and west along Passage Canal, with waves of 4 to 6 feet in the middle of the canal. It is often calmer at the docks than it is out there.

Alaska DOT&PF, Whittier Tunnel weather

Away from a phone signal

A marine VHF radio, or a NOAA weather radio on KXI29 (162.475 MHz), carries this same forecast and any advisory issued in between.

NOAA Weather Radio

Official channels

NWS marine forecast for Passage Canal (PKZ723)The Weather Service's own page for the zone, with any advisory issued since the last bulletin.

NWS Anchorage marine zonesEvery Prince William Sound zone, if you are going further than these two.

Weather warnings for WhittierWarnings in force right now, on land and on the water.

Whittier Marine Forecast: Passage Canal and the Sound

About these tools

Passage Canal

Northwest Prince William Sound

Reading the numbers

Good to know

Official channels