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Ketchikan, AK Marine Weather Forecast

Station KECA2 - 9450460 - Ketchikan, AK

August 17, 2026 8:48 pm AKDT
Location: 55.331N 131.625W
Wind Direction: S (170°)
Wind Speed: 4.1 knots
Wind Gust: 5.1 knots
Atmospheric Pressure: 30.15 in (1021.0 mb)
Water Temperature: 57.2°F (14.0°C)


Tonight - 57°F
Aug 18, 2026
0 to 5 mph S
Rain Showers
Rain showers before 1am, then patchy fog and a slight chance of rain showers. Cloudy, with a low around 57. South wind 0 to 5 mph. Chance of precipitation is 100%. New rainfall amounts less than a tenth of an inch possible.
Tuesday - 68°F
Aug 18, 2026
0 to 5 mph NW
Patchy Fog then Partly Sunny
Patchy fog before 7am. Partly sunny, with a high near 68. Northwest wind 0 to 5 mph.
Tuesday Night - 55°F
Aug 18, 2026
0 to 5 mph W
Partly Cloudy
Partly cloudy, with a low around 55. West wind 0 to 5 mph.
Wednesday - 70°F
Aug 19, 2026
0 to 5 mph SW
Mostly Sunny
Mostly sunny, with a high near 70. Southwest wind 0 to 5 mph.
Wednesday Night - 56°F
Aug 19, 2026
0 to 5 mph W
Partly Cloudy
Partly cloudy, with a low around 56. West wind 0 to 5 mph.
Thursday - 76°F
Aug 20, 2026
0 to 5 mph NW
Mostly Sunny
Mostly sunny, with a high near 76.
Thursday Night - 58°F
Aug 20, 2026
5 mph NW
Mostly Cloudy
Mostly cloudy, with a low around 58.
Friday - 75°F
Aug 21, 2026
5 mph NW
Partly Sunny then Slight Chance Rain Showers
A slight chance of rain showers after 4pm. Partly sunny, with a high near 75.
Friday Night - 58°F
Aug 21, 2026
0 to 5 mph NW
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 58.
Saturday - 68°F
Aug 22, 2026
0 to 5 mph SW
Chance Rain Showers
A chance of rain showers. Partly sunny, with a high near 68.
Saturday Night - 56°F
Aug 22, 2026
0 to 5 mph SE
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 56.
Sunday - 64°F
Aug 23, 2026
0 to 5 mph S
Chance Rain Showers
A chance of rain showers. Partly sunny, with a high near 64.
Sunday Night - 55°F
Aug 23, 2026
0 to 5 mph S
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 55.
Monday - 66°F
Aug 24, 2026
0 to 5 mph S
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a high near 66.

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