Real-time water data

Know Your Waters
Before You Go

The most complete US water resource — every river, lake, gauge, boat ramp, tidal station, and whitewater run in one place. Real-time conditions, AI insights, and smart alerts for any waterway.

15,000+
USGS Gauges
127,500+
Rivers & Lakes
43,900+
Access Sites
5,900
Whitewater Runs

Smart Alerts

Get notified by email or SMS when water levels change at your favorite spots.

Live Data

Real-time river conditions from USGS gauges and tide predictions from NOAA.

AI Insights

Get AI-powered analysis of conditions, perfect for planning your trip.

Perfect For

Whether you're fishing, paddling, or just exploring

🎣

Anglers

Know when water levels are ideal for your favorite fishing spots.

🛶

Paddlers

Track flow rates to find the perfect conditions for kayaking and canoeing.

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Outdoor Enthusiasts

Plan camping trips near water with confidence about conditions.

Never Miss Perfect Conditions

Set up alerts for your favorite spots and get notified when conditions change

Free plan includes 1 location • No credit card required