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Graves Harbor, AK Marine Weather Forecast

Station CSPA2 - Cape Spencer, AK

July 2, 2026 3:10 pm AKDT
Location: 58.199N 136.64W
Wind Speed: 0.0 knots
Wind Gust: 0.0 knots
Atmospheric Pressure: 29.85 in (1010.7 mb)
Air Temperature: 50.4°F (10.2°C)
Dew Point: 50.4°F (10.2°C)


This Afternoon - 53°F
Jul 02, 2026
15 mph SW
Rain Showers Likely
Rain showers likely. Mostly cloudy, with a high near 53. Southwest wind around 15 mph. Chance of precipitation is 70%.
Tonight - 47°F
Jul 02, 2026
5 to 15 mph S
Chance Rain Showers then Chance Light Rain
A chance of rain showers before 4am, then a chance of rain. Mostly cloudy, with a low around 47. South wind 5 to 15 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Friday - 53°F
Jul 03, 2026
10 to 20 mph NE
Light Rain
Rain. Cloudy, with a high near 53. Northeast wind 10 to 20 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night - 48°F
Jul 03, 2026
0 to 10 mph NE
Light Rain then Chance Rain Showers
Rain before 10pm, then a chance of rain showers between 10pm and 4am. Cloudy, with a low around 48. Northeast wind 0 to 10 mph. Chance of precipitation is 80%.
Independence Day - 54°F
Jul 04, 2026
0 to 5 mph NE
Slight Chance Light Rain
A slight chance of rain after 10am. Mostly cloudy, with a high near 54. Northeast wind 0 to 5 mph.
Saturday Night - 48°F
Jul 04, 2026
5 mph SW
Slight Chance Light Rain
A slight chance of rain before 4am, then a chance of rain showers. Mostly cloudy, with a low around 48. Chance of precipitation is 40%.
Sunday - 55°F
Jul 05, 2026
5 mph SE
Rain Showers Likely
Rain showers likely. Cloudy, with a high near 55.
Sunday Night - 49°F
Jul 05, 2026
5 to 10 mph E
Rain Showers Likely
Rain showers likely. Cloudy, with a low around 49.
Monday - 57°F
Jul 06, 2026
10 to 15 mph NE
Rain Showers Likely
Rain showers likely. Cloudy, with a high near 57.
Monday Night - 49°F
Jul 06, 2026
10 mph NE
Rain Showers Likely
Rain showers likely. Cloudy, with a low around 49.
Tuesday - 56°F
Jul 07, 2026
10 mph E
Rain Showers Likely
Rain showers likely. Cloudy, with a high near 56.
Tuesday Night - 49°F
Jul 07, 2026
5 to 10 mph E
Rain Showers Likely
Rain showers likely. Cloudy, with a low around 49.
Wednesday - 55°F
Jul 08, 2026
5 to 10 mph SE
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a high near 55.
Wednesday Night - 49°F
Jul 08, 2026
5 to 10 mph SW
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 49.

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