We use cookies for analytics and advertising. Cookies necessary for the site to function are always kept. Learn more
Recorded 5 catches here. Most commonly caught: Largemouth bass, Sauger, Walleye. Peak season: January–April.
Boulder (Colorado) — a draw for anglers. Nearby: 2 rivers and 30 water bodies. A smart bite calendar — moon phase, atmospheric pressure, and weather combined into an hourly fish-activity forecast for the coming days.
Clear: 61–88 °F
The ranking weighs the regional forecast by water type, catches linked to each water body and distance from the city center.
Tap any fish to open its full forecast — the hours it bites, what it takes, and where it has been caught.
Clear · feels like +79°
The day is 2 min shorter than yesterday.
Sunshine hours count direct sun only — cloud cover cuts it, so it is shorter than daylight.
The windows are set by the moon's transit and rise, and the forecast above already accounts for them: within these hours the bite score sits higher than across the rest of the day, while the day's overall level still comes from the catch-calibrated model.
What are solunar periods?Look for drop-offs and gaps in the weeds, retrieve slowly, lingering over promising spots.
The water's turning murky — go with bright, noisy lures: crankbait or spoon.
It's a hot day — a hat, sunglasses, and plenty of water are a must. Winds will be strong — wind protection helps, and be careful if you're in a boat.
