🎣 Yakima River Canyon (Umtanum) Fishing Prediction System

Historical & forecast CFS data with safety levels - Past 7 days + 7 day forecast

🎣 Wading Safety Guidelines

✅ SAFE WADING
≤ 1,500 CFS
Generally safe for experienced waders
⚠️ CAUTION
1,500 - 2,500 CFS
Experienced waders only, use extreme caution
🚫 DANGEROUS
> 2,500 CFS
Not safe for wading - stay on shore

⚠️ Always use proper safety gear and check local conditions before entering the water

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🎣 Top 5 Fishing Periods (Ranked)

Future periods are ranked based on weather forecast conditions ideal for fishing: overcast skies, stable/rising barometric pressure, and low wind speeds (<15 mph). Shows the top 5 periods regardless of whether they meet ideal criteria.

⚠️ Worst 5 Fishing Periods (Avoid These)

These periods have the worst predicted conditions for fishing: high winds, clear skies, and unstable pressure. Consider avoiding these times or adjusting your fishing strategy accordingly.

Historical data: USGS Water Services | Forecast data: NOAA NWRFC | Updated every 15 minutes | 7 days historical + 7 day forecast

Safety Guidelines: Green = Safe Wading | Orange = Caution (Experienced Only) | Red = Dangerous (No Wading)

Weather Overlays: Grey shaded areas = High wind periods (>15 mph) | Green shaded areas = Optimal fishing (overcast, low wind)

CFS = Cubic Feet per Second | Orange dotted line = Forecast data | Always check current conditions and use proper safety gear when fishing

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