Stephens island: weather statistics and wind history

40.6775° S, 174.011° E
22.08.2026 (Saturday)
  • Wind too strong – unsafe conditions (16.4 m/s)
  • High gust forecast (21.3 m/s)
  • Models wind forecasts diverge significantly (> 5.1 m/s) (GFS27 16.4 m/s vs ICON Global 11.3 m/s)
  • Unlikely breeze — 0% probability
  • Low water temp – risk of hypothermia (12.8°C)
23.08.2026 (Sunday)
  • Wind too strong – unsafe conditions (19.6 m/s)
  • High gust forecast (25.0 m/s)
  • Rain detected – challenging conditions
  • Unlikely breeze — 0% probability
  • Wave height – experience required (3.0 m)
  • Low water temp – risk of hypothermia (12.9°C)
24.08.2026 (Monday)
  • Good kite forecast: wind 12.0 m/s, gusts 16.4 m/s, no major model differences
  • Unlikely breeze — 4% probability
  • Strong wind – experience required (12.0 m/s)
  • Significant gusts forecast (16.4 m/s)
  • Low water temp – risk of hypothermia (12.9°C)
25.08.2026 (Tuesday)
  • Good kite forecast: wind 13.9 m/s, gusts 18.0 m/s, no major model differences
  • Unlikely breeze — 0% probability
  • Strong wind – experience required (13.9 m/s)
  • Significant gusts forecast (18.0 m/s)
  • Low water temp – risk of hypothermia (13.0°C)
26.08.2026 (Wednesday)
  • Wind too strong – unsafe conditions (16.2 m/s)
  • Unlikely breeze — 0% probability
  • Significant gusts forecast (19.2 m/s)
  • Low water temp – risk of hypothermia (13.2°C)
27.08.2026 (Thursday)
  • Rain detected – challenging conditions
  • Models wind forecasts diverge significantly (> 5.6 m/s) (ICON Global 12.4 m/s vs LEW 6.8 m/s)
  • Unlikely breeze — 0% probability
  • Strong wind – experience required (12.2 m/s)
  • Significant gusts forecast (16.6 m/s)
  • Low water temp – risk of hypothermia (13.5°C)
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