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Grenville Public Water Access — Boating Conditions
Tides, water temp & weather • Day County, SD
Boating Conditions at Grenville Public Water Access
Current wind, air and water temperature, tide times and a 10-day forecast for Grenville Public Water Access in Day County, South Dakota. Check conditions before you launch.
Right Now
Overcast
Calm — good conditions to get on the water
Air Temp
58°F
Wind
7 mph
gusts 20 mph
Next Few Hours
Now
⛅
58°
7 mph
12AM
☀️
56°
1%
7 mph
1AM
☀️
55°
1%
5 mph
2AM
☀️
54°
1%
6 mph
3AM
⛅
54°
1%
6 mph
4AM
⛅
53°
1%
7 mph
10-Day Boating Forecast
Sat, 9/19
🌧️
61° / 55°
Wind 11, gusts 20 mph
4% rain
Sun, 9/20
🌫️
59° / 52°
Wind 13, gusts 22 mph
2% rain
Mon, 9/21
⛅
59° / 48°
Wind 8, gusts 21 mph
3% rain
Tue, 9/22
⛅
65° / 46°
Wind 13, gusts 26 mph
Wed, 9/23
⛅
64° / 48°
Wind 20, gusts 37 mph
44% rain
Thu, 9/24
🌧️
72° / 54°
Wind 18, gusts 37 mph
44% rain
Fri, 9/25
⛅
69° / 54°
Wind 13, gusts 24 mph
7% rain
Sat, 9/26
⛅
67° / 52°
Wind 18, gusts 28 mph
14% rain
Sun, 9/27
⛅
72° / 51°
Wind 18, gusts 32 mph
17% rain
Mon, 9/28
🌧️
68° / 57°
Wind 21, gusts 39 mph
36% 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.
