San Juan Island - Friday Harbor Wind Forecast

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San Juan Island - Friday Harbor wind forecast issued today at Next forecast at approx.

San Juan Island - Friday Harbor Wind Statistics

December Wind

Friday Harbor Airport (1.9 miles)

  • Strongest 5 December, 2025

    16.1mph SW

  • Average December

    7mph

Climate (2010–Present)

Friday Harbor Airport (1.9 miles)

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  • Strongest 19 March, 2025

    63.1mph S

  • Average 2020–2025

    5.9mph
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