Frederick Sound, Kupreanof Weather

56.7761° N, 132.746° W
19.10.2026
  • Wind too light – not suitable (2.1 m/s)
  • Low water temp – risk of hypothermia (7.9°C)
  • High breeze chance — 88% probability
20.10.2026
  • Wind too light – not suitable (3.3 m/s)
  • Heavy rain – dangerous conditions possible (>2)
  • Significant gusts forecast (8.7 m/s)
  • Low water temp – risk of hypothermia (8.0°C)
  • Unlikely breeze — 1% probability
21.10.2026
  • Wind too light – not suitable (1.9 m/s)
  • Rain detected – challenging conditions
  • Caution – short wave period (2 s)
  • Low water temp – risk of hypothermia (7.9°C)
  • Unlikely breeze — 0% probability
22.10.2026
  • Wind too light – not suitable (2.1 m/s)
  • Rain detected – challenging conditions
  • Low water temp – risk of hypothermia (7.6°C)
  • Unlikely breeze — 4% probability
23.10.2026
  • Wind too light – not suitable (2.3 m/s)
  • Rain detected – challenging conditions
  • Caution – too long wave period for beginners (16 s)
  • Low water temp – risk of hypothermia (7.5°C)
  • Low breeze chance — 38% probability
24.10.2026
  • Wind too light – not suitable (2.5 m/s)
  • Low water temp – risk of hypothermia (7.7°C)
  • Unlikely breeze — 13% probability
25.10.2026
  • Wind too light – not suitable (2.4 m/s)
  • Low water temp – risk of hypothermia (8.1°C)
  • Unlikely breeze — 4% probability
*Experimental

New feature: Breeze Index! See how likely a breeze is to form, right in the forecast. Available in weather alerts and the meteogram.

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Current Conditions in Kupreanof

                                                                   
          
          
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Kupreanof, Hourly Forecast

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Air temperature,°C
 
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Frederick Sound Kupreanof 10-day weather forecast

Closest meteostation (11.71km):

Closest tide buoy (12.36 km):