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Copper Harbor, AK Marine Weather Forecast

Station SPXA2 - Ship Island, AK

December 23, 2025 4:02 am AKST
Location: 55.599N 132.203W
Wind Direction: NE (40°)
Wind Speed: 1.9 knots
Wind Gust: 6.0 knots
Atmospheric Pressure: 29.60 in (1002.5 mb)
Air Temperature: 20.1°F (-6.6°C)


Overnight - 17°F
Dec 23, 2025
10 mph NW
Freezing Spray
Freezing spray. Mostly cloudy, with a low around 17. Northwest wind around 10 mph.
Tuesday - 24°F
Dec 23, 2025
5 to 10 mph NW
Partly Sunny
Partly sunny, with a high near 24. Northwest wind 5 to 10 mph.
Tuesday Night - 19°F
Dec 23, 2025
10 to 15 mph NW
Mostly Clear
Mostly clear, with a low around 19. Northwest wind 10 to 15 mph.
Wednesday - 25°F
Dec 24, 2025
15 mph N
Sunny
Sunny, with a high near 25. North wind around 15 mph.
Wednesday Night - 19°F
Dec 24, 2025
5 to 15 mph N
Mostly Clear
Mostly clear, with a low around 19. North wind 5 to 15 mph.
Christmas Day - 29°F
Dec 25, 2025
5 to 10 mph E
Chance Light Snow
A chance of snow after 9am. Partly sunny, with a high near 29. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.
Thursday Night - 23°F
Dec 25, 2025
10 mph NE
Chance Light Snow
A chance of snow. Mostly cloudy, with a low around 23. New snow accumulation of around one inch possible.
Friday - 30°F
Dec 26, 2025
10 mph N
Chance Light Snow
A chance of snow. Mostly cloudy, with a high near 30. New snow accumulation of less than one inch possible.
Friday Night - 24°F
Dec 26, 2025
10 to 25 mph NE
Heavy Snow Likely
Snow likely before 3am, then rain and snow. Cloudy, with a low around 24. New snow accumulation of 5 to 9 inches possible.
Saturday - 43°F
Dec 27, 2025
20 to 25 mph SE
Rain And Snow
Rain and snow. Cloudy, with a high near 43. New snow accumulation of 2 to 4 inches possible.
Saturday Night - 38°F
Dec 27, 2025
20 to 25 mph SE
Rain
Rain. Cloudy, with a low around 38.
Sunday - 46°F
Dec 28, 2025
20 to 25 mph SE
Rain
Rain. Cloudy, with a high near 46.
Sunday Night - 42°F
Dec 28, 2025
25 to 30 mph SE
Rain
Rain. Cloudy, with a low around 42.
Monday - 46°F
Dec 29, 2025
15 to 25 mph SE
Rain
Rain. Cloudy, with a high near 46.

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