River Intelligencefor the Pacific Northwest
River Briefings, Fishing Conditions Score, and Fish Passage data in one privacy-first dashboard. Keep your field logs private. Fish smarter.
Everything you need, all in one place
Stop juggling multiple websites and apps. Thalweg brings together the data sources Pacific Northwest anglers actually use.
River Briefings
At-a-glance river intelligence with real-time USGS visibility, flow, pressure, and water temperature — rated Optimal, Good, or Fair.
Fishing Conditions Score
A single score combining barometric pressure, moon phase, wind, and weather to tell you when conditions are prime.
Field Locker
A private field journal for GPS activities, catch logs, notes, and environmental snapshots — all private by default.
Fish Passage Intelligence
Live dam counts from DART, FPC, NOAA, ODFW, and WDFW with species breakdowns and seasonal trends.
Activity Windows
Solunar-based Major and Minor activity windows so you know the best times to be on the water.
Night Vision Mode
Optimized low-light interface for early mornings and late evenings on the water. Built for field conditions.
One dashboard vs. scattered data
See how Thalweg simplifies your pre-trip research compared to checking multiple government websites.
| Feature | Thalweg | Scattered Sources |
|---|---|---|
| Consolidated data dashboard | — | |
| Privacy-protected catch logs | — | |
| Real-time USGS water data | Separate site | |
| NOAA weather & tides | Multiple sites | |
| Offline-capable maps | — | |
| Environmental snapshots | — |
Keep secret spots secret
Your catch logs are private by default with strong account-level access controls. You decide what is shared and when.
- Strong access controls protect your account data
- Private by default with selective friend sharing in Streams
- Your data is never sold or shared
- Export or delete your data anytime
Ready to fish smarter?
Built for Pacific Northwest anglers. Real-time conditions and private catch logging, all in one place.
Paid app access with account pricing details coming soon.