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Winchester Lake 1 — Boating Conditions
Tides, water temp & weather • Grant County, WA
Boating Conditions at Winchester Lake 1
Current wind, air and water temperature, tide times and a 10-day forecast for Winchester Lake 1 on Winchester Lake in Grant County, Washington. Check conditions before you launch.
Right Now
Clear
Calm — good conditions to get on the water
Air Temp
80°F
Wind
4 mph
gusts 4 mph
Next Few Hours
Now
☀️
80°
4 mph
6PM
☀️
79°
5 mph
7PM
☀️
73°
5 mph
8PM
☀️
69°
5 mph
9PM
☀️
67°
5 mph
10PM
☀️
63°
5 mph
10-Day Boating Forecast
Sat, 9/19
⛅
80° / 46°
Wind 6, gusts 9 mph
Sun, 9/20
☀️
85° / 51°
Wind 6, gusts 11 mph
Mon, 9/21
⛅
86° / 52°
Wind 9 mph
Tue, 9/22
⛅
78° / 57°
Wind 8, gusts 28 mph
Wed, 9/23
⛅
75° / 53°
Wind 13, gusts 17 mph
Thu, 9/24
⛅
71° / 50°
Wind 9, gusts 13 mph
5% rain
Fri, 9/25
🌧️
64° / 48°
Wind 15, gusts 33 mph
9% rain
Sat, 9/26
⛅
64° / 43°
Wind 6, gusts 25 mph
6% rain
Sun, 9/27
⛅
64° / 49°
Wind 13 mph
3% rain
Mon, 9/28
⛅
66° / 46°
Wind 7, gusts 16 mph
3% rain
Weather & wave data from Open-Meteo. Tides & water temperature from NOAA CO-OPS. Conditions are estimates for trip planning — always confirm locally and check official marine forecasts before heading out.
