Blue River CO fishing forecast
Blue River CO is a freshwater fishing spot in Colorado, United States. Anglers here target Rainbow Trout, Brown Trout. The most productive months are typically January, February, March, April, May, June, July, August, September, October, November, December.
Today’s verdict
Ranks #257 of 419 spots FishRadar scored worldwide today
In line with this spot’s 7-day average
Score confidence ±12 points, from 6 live signals
The statistical model disagrees with the physics model here today — treat this score with extra caution.
Current conditions
| Sea surface temp | 21.5 °C |
|---|---|
| Wind | 9 km/h from S, gusting 19 km/h |
| Pressure | 1015 hPa |
| Cloud cover | 13% |
| Chlorophyll | 0.27 mg/m³ |
| Salinity | 0.0 PSU |
| UV index | 0 |
| Wind sea | 0.0 m |
| Ground swell | 0.0 m at 0 s |
The water is running true to season — within a few tenths of the September average of 21.5 °C for this location. The water is mixed to about 26.7 m, with the thermocline below that.
Updated 1 h ago.
What the score means at Blue River CO
Blue River CO currently scores 69 out of 100 (Good). Water temperature is 21.5 °C. 6 forecast signals are active in this score.
- Water temperature +15.0
- how close the water is to this species mix’s comfort band
- Wind +12.0
- surface chop, oxygen and bait drift
- Barometric pressure +4.4
- falling pressure often triggers feeding
- Thermocline +3.0
- a defined layer stacks fish at one depth
- Moon phase +2.4
- lunar feeding rhythm
- Pre-storm bite +2.4
- the classic feed before heavy weather
What’s biting now
The model expects today: cutthroat-trout, brown-trout, golden-trout, rock-bass, brown-bullhead, pumpkinseed, white-perch, white-bass
Bite windows
Best months for Blue River CO:
Score history at this spot
30 days tracked at this exact location
Best recent day: 2026-09-11, 75/100
8 day(s) at 70+ in the tracked period
+8 points vs the same day last week
About this spot
Rivers are flow-driven. Fish the seams, eddies, and structure where current breaks, where fish hold to conserve energy and ambush bait.
Access & shore
Fishable from shore · estuary
What you can catch
-
Oncorhynchus mykiss
-
Salmo trutta
Best months by species at Blue River CO
| Rainbow TroutOncorhynchus mykiss | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Brown TroutSalmo trutta |
Typical months; local seasons and closures apply.
Local regulations
| Species | Bag limit | Min size | Open season |
|---|---|---|---|
| Brown TroutStatewide Bag & Possession Limits | 4/day, 8 in possession | — | Jan 1 – Dec 31 |
| The 4-fish limit is an AGGREGATE across trout, Arctic char, grayling, salmon and mountain whitefish (kokanee excepted). Water-specific rules are stricter at several Colorado waters: on the Gunnison River between the East/Taylor confluence and the US 50 bridge the brown trout limit is two fish at a 16-inch minimum; on the Blue River below Coyne Valley Road all brown trout over 14 inches must be released and fishing is closed 15 September – 1 December. | |||
| Rainbow TroutStatewide Bag & Possession Limits | 4/day, 8 in possession | — | Jan 1 – Dec 31 |
| The 4-fish limit is an AGGREGATE across trout, Arctic char, grayling, salmon and mountain whitefish (kokanee excepted) — not 4 of each. Many Colorado waters are stricter: on the Fryingpan River below Ruedi Dam and on the Gunnison River above the US 50 bridge, all rainbow trout must be released immediately, and fishing is by artificial flies and lures only. | |||
Licensing:
- freshwater-recreational — residents Resident adult annual (18–63) $44.87. Senior annual (64+) $12.96. Youth 16–17 $12.96. A 2026 Habitat Stamp ($12.76) is also required for anyone aged 18–64., non-residents Nonresident annual (16+) $124.01. Five-day $41.04. One-day $21.90.
FishRadar regulations are summaries for informational purposes only. The figures here are Colorado STATEWIDE limits from the 2026 Colorado Fishing brochure; a great many Colorado waters carry more restrictive rules under Chapter W-1 Article II, including several of the rivers and reservoirs on this site. Always check the water-specific entry in the current brochure (Special Regulations: Fishing Waters) before you fish.
Check Blue River CO before you go
Live scores update through the day. Get the full forecast, bite windows, and your own saved spots in the FishRadar app.
Download on the App Store Google Play
Scan to install on your phone
Nearby spots
Explore 10 more fishing spots within 320 km of Blue River CO.
-
Fryingpan River CO
South Platte River CO
Roaring Fork River CO
Roaring Fork Colorado
Horsetooth Reservoir CO
Arkansas River Colorado
Blue Mesa Reservoir CO
Gunnison River Colorado
Arkansas River CO
Green River UT
Frequently asked questions
What fish can you catch at Blue River CO?
Anglers at Blue River CO target Rainbow Trout and Brown Trout.
When is the best time to fish Blue River CO?
The most productive months at Blue River CO are typically January, February, March, April, May, June, July, August, September, October, November, December.
What is the fishing forecast for Blue River CO right now?
Blue River CO currently scores 69 out of 100, based on live ocean and weather conditions — see the full breakdown on this page.
Can you fish Blue River CO from shore?
Yes — Blue River CO is fishable from shore (estuary).
Is the thermocline set up at Blue River CO right now?
Not strongly right now — the water column is fairly mixed, so fish are less depth-locked.
Fishing guides for this spot
- How to Catch Rainbow Trout in Stocked Lakes and PondsHow to Catch TroutBest Time of Day to Fish
Forecasts, not guarantees — check local rules before you fish.