San Juan Island - Roche Harbor Wind Forecast

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

San Juan Island - Roche Harbor Wind Statistics

September Wind

Friday Harbor Airport (8.1 miles)

  • Strongest 2 September, 2026

    18.3mph SE

  • Average September

    6.9mph

Climate (2021–2026)

Friday Harbor Airport (8.1 miles)

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  • Strongest 19 March, 2025

    63.1mph S

  • Average 2021–2026

    5.9mph
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