San Juan Island - Grandmas Cove Wind Forecast

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San Juan Island - Grandmas Cove wind forecast issued today at Next forecast at approx.

San Juan Island - Grandmas Cove Wind Statistics

August Wind

Friday Harbor Airport (3.7 miles)

  • Strongest 1 August, 2026

    13.9mph WSW

  • Average August

    6.5mph

Climate (2021–2026)

Friday Harbor Airport (3.7 miles)

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  • Strongest 19 March, 2025

    63.1mph S

  • Average 2021–2026

    5.9mph
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