Custom House Cove, Mary Island Marine Forecast

Alaska · 55.100°, -131.217° · National Weather Service

Now
Mostly Clear
Wind
15 mph
from the NW
Seas
5 ft
Temp
60°F

Next 24 hours

2:00 AM
60°
15
3:00 AM
59°
15
4:00 AM
59°
15
5:00 AM
59°
15
6:00 AM
59°
15
7:00 AM
59°
15
8:00 AM
60°
15
9:00 AM
61°
15
10:00 AM
62°
15
11:00 AM
63°
15
12:00 PM
65°
15
1:00 PM
66°
15
2:00 PM
67°
15
3:00 PM
68°
15
4:00 PM
68°
20
5:00 PM
67°
20
6:00 PM
66°
20
7:00 PM
66°
15
8:00 PM
64°
15
9:00 PM
63°
15
10:00 PM
62°
15
11:00 PM
60°
15
12:00 AM
60°
15
1:00 AM
59°
15

7-Day Marine Outlook

Wind, temperature, and conditions for Custom House Cove, Mary Island.

Overnight
15 mph
58°
Wednesday
15 to 20 mph
69°
Wednesday Night
15 to 20 mph
58°
Thursday
10 to 15 mph
68°
Thursday Night
5 to 10 mph
55°
Friday
5 to 15 mph
61°
Friday Night
5 to 15 mph
54°
Saturday
5 to 10 mph
62°
Saturday Night
5 to 10 mph
54°
Sunday
5 to 10 mph
62°
Sunday Night
5 to 10 mph
54°
Monday
5 to 10 mph
64°
Monday Night
5 mph
55°
Tuesday
5 to 10 mph
62°

About the marine forecast for Custom House Cove, Mary Island

This is the National Weather Service forecast for Custom House Cove, Mary Island (Alaska), covering wind, wave height, temperature, and conditions over the coming week. Wind and seas are what make or break a day on the water, so start there. Remember that gusts, not the average, are what knock you around, and that wind blowing against the tide stacks the seas up steeper than the numbers suggest. Wave height here is the significant wave height, so some individual waves come through taller.

Planning a trip out of Custom House Cove, Mary Island? Pair this with the Custom House Cove, Mary Island tide chart so you've got the water and the weather in one look.

Frequently asked

What is the wind forecast for Custom House Cove, Mary Island today?+

Today at Custom House Cove, Mary Island, expect wind from the NW at 15 mph, with mostly clear. See the hourly breakdown above for how it changes through the day.

Where does this Custom House Cove, Mary Island marine forecast come from?+

It's the official National Weather Service point forecast for Custom House Cove, Mary Island's coordinates, covering wind, temperature, and conditions for the next 7 days. It's the same data marine forecasts are built on.

Is it a good day to go boating at Custom House Cove, Mary Island?+

Check the wind first — it's what makes or breaks a day on the water — then the conditions and any advisories. Match the forecast to your boat and experience, tell someone your plan, and always leave yourself a way back.

See the wind on your chart

Pathr paints live wind, waves, and radar right on the Custom House Cove, Mary Island chart, and routes you around the shallows. Free to try for two months on iOS.

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