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Long Island Marina — Boating Conditions
Tides, water temp & weather • Roane County, TN
Boating Conditions at Long Island Marina
Current wind, air and water temperature, tide times and a 10-day forecast for Long Island Marina on Tennessee River - Watts Bar Lake in Roane County, Tennessee. Check conditions before you launch.
Right Now
Clear
Calm — good conditions to get on the water
Air Temp
74°F
Wind
3 mph
gusts 3 mph
Next Few Hours
Now
☀️
74°
1%
3 mph
12AM
☀️
73°
1%
3 mph
1AM
☀️
71°
1%
2 mph
2AM
☀️
71°
1%
0 mph
3AM
☀️
70°
1%
2 mph
4AM
☀️
69°
1%
2 mph
10-Day Boating Forecast
Sat, 9/19
⛅
92° / 68°
Wind 12 mph
31% rain
Sun, 9/20
🌧️
93° / 67°
Wind 8, gusts 15 mph
8% rain
Mon, 9/21
🌧️
96° / 66°
Wind 8, gusts 15 mph
39% rain
Tue, 9/22
⛈️
86° / 66°
Wind 8, gusts 15 mph
79% rain
Wed, 9/23
🌧️
77° / 63°
Wind 8, gusts 17 mph
66% rain
Thu, 9/24
☀️
78° / 57°
Wind 8 mph
33% rain
Fri, 9/25
⛅
79° / 53°
Wind 4 mph
9% rain
Sat, 9/26
🌧️
65° / 58°
Wind 4 mph
6% rain
Sun, 9/27
⛅
77° / 55°
Wind 7, gusts 14 mph
7% rain
Mon, 9/28
☀️
75° / 49°
Wind 10, gusts 22 mph
4% 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.
