Fishing Report
East Fork Reservoir Number 4 Fishing Report
Boulder, WY
Lake conditions
East Fork Reservoir Number 4 — 2026-11-12
Conditions overviewToday's conditions at this lake, computed from live weather and the moon.
- Season
- Fall
- Moon
- 13% illuminated, waxingWaxing Crescent
- Est. surface temp
- 42.7°F
- Pressure
- —Unknown
Est. water temp
42.7°F
v1 estimate from air temperature — not a sensor reading
Air vs. last week
5°F warmer
41°F now vs 36°F this time last week
Measured air temperature at the nearest weather station — not water
Sun & moon
- Sunrise
- 7:06 AM
- Sunset
- 4:58 PM
- Moonrise
- 10:41 AM
- Moonset
- 7:07 PM
Sky, wind & pressuremidday · 7 PM
- Cloud cover
- 32%
- Precip chance
- 0%
- Wind
- 1 mph ESE
- Pressure
- — Unknown
Today's solunar periods
- Major: 1:28 AM–3:28 AM
- Minor: 10:11 AM–11:11 AM
- Major: 1:53 PM–3:53 PM
- Minor: 6:37 PM–7:37 PM
No bite score appears for this lake because no fish species is on record for it yet.
Find lakes with a bite score →Free — no account, no app
Modeled from National Weather Service data, plus solunar and sun/moon times computed in-house. This is a computed report, not an eyewitness catch report.
42.687102, -109.674588
Est. water temp
42.7°F
v1 estimate from air temperature — not a sensor reading
Species on record
No species on record yet for this lake.
Suggest a species for this lake →Location
East Fork Reservoir Number 4 · 42.6871, -109.6746
Map data © OpenFreeMap, OpenMapTiles, OpenStreetMap contributors
Nearby
Other lakes nearby
FAQ
Common questions
What fish are in East Fork Reservoir Number 4?
No fish species have been recorded for East Fork Reservoir Number 4 yet. Check the live conditions to plan a trip on the surrounding water.
When's the best time to fish East Fork Reservoir Number 4?
No species are modeled for East Fork Reservoir Number 4 yet, so there's no species-specific feeding window to name. The score still gives the light window 30% of its total, an input Bitespan grades "Well supported". Check today's bite forecast for East Fork Reservoir Number 4 to see the best window for current conditions.
Where is East Fork Reservoir Number 4?
East Fork Reservoir Number 4 is near Boulder, WY, at 42.6871, -109.6746.
Plan your trip to East Fork Reservoir Number 4
Get the hour-by-hour bite forecast and the best times to fish East Fork Reservoir Number 4, scored against live National Weather Service weather for this exact spot — showing what every input contributed and how well the evidence supports it.