Watts Bar Lake today
Watts Bar Lake right now: air 71°F, clear night; water 80.8°F; wind 0 mph; lake at 740.98 ft (0.48 ft above summer pool); no TVA generation active. No NWS alerts.
Fishing
GO
Wind manageable, no severe weather active.
Boating
CALM
Wind 0 mph; main channel comfortable.
Swimming
BATH-WATER WARM
Water 80.8°F. The lake feels like a bath.
What this page is
A plain-English summary of how Watts Bar Lake is doing right now, plus quick GO / CAUTION / NO-GO calls for the three activities people most often plan around: fishing, boating, and swimming. Re-rendered every minute from the live sensor feed.
The verdicts use simple thresholds:
- Fishing GO when wind is under 25 mph sustained and there are no severe NWS alerts. CAUTION above that or with active alerts.
- Boating CALM under 15 mph sustained, CHOPPY 15–25 mph, AVOID MAIN CHANNEL above 25 mph.
- Swimming COMFORTABLE at water temps above 75°F, BRISK 65–75°F, COLD-SHOCK RISK below 60°F. Severe alerts override to NO.
For the full live dashboard with cam, forecast, and 10-day temperature outlook, see the homepage. For each metric individually, follow the topic links above.