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Rainbow stocking
Lowland lake · Mason County
160 rainbows on Apr 9
5 months agoEells Springs
Fish per pound
Catchables · 6 oz each
2.5
Nothing new since Apr 9. WDFW usually plants here in October.
2026 so far
160
38% of a normal year
Normal year
417
average of 11 seasons
Typical size
Fingerlings
1 oz each
Stocking season
Apr, Oct
when the truck comes
This year against a 11-season average
2026normal
Recent plants
| Date | Species | Number | Fish/lb | Size |
|---|---|---|---|---|
| Apr 9 | Rainbow | 160 | 2.5 | Catchables · 6 oz each |
| Oct 15 | Rainbow | 280 | 16 | Fingerlings · under 1 oz each |
| Apr 2 | Rainbow | 200 | 2.2 | Catchables · 7 oz each |
| Oct 1 | Rainbow | 240 | 12 | Fingerlings · 1 oz each |
| Apr 3 | Rainbow | 200 | 2.4 | Catchables · 7 oz each |
| Oct 9 | Rainbow | 240 | 12 | Fingerlings · 1 oz each |
| Apr 5 | Rainbow | 200 | 2.3 | Catchables · 7 oz each |
| Oct 5 | Rainbow | 244 | 13 | Fingerlings · 1 oz each |
21 rainbow releases on record since 2015 · from WDFW's fish plants data, as published.
This lake on WDFWWDFW fishing prospects calendar
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rainbow Trout | ||||||||||||
| Westslope Cutthroat Trout |
quiet → best this month
WDFW rates rainbow trout best in April through June.
WDFW draws one calendar per species for the whole state, so it shows the season's shape rather than this lake's own record. Check the rules for when each species is open here. This lake on WDFW
be the first to say how Osborn Lakes fished
No catch reports yet for this water.
Currently
57°
Clearfeels like 54°
Tue
Favorable
65° 51°
wind 5 kt · 13% rain
Wed
Favorable
75° 55°
wind 8 kt · 1% rain
Thu
Favorable
78° 58°
wind 6 kt · 0% rain
Fri
Favorable
72° 51°
wind 5 kt · 0% rain
Sat
Favorable
74° 52°
wind 4 kt · 0% rain
Sun
Favorable
76° 54°
wind 5 kt · 0% rain
Mon
Favorable
69° 50°
wind 5 kt · 4% rain
The current regulation for Osborn Lakes could not be confidently verified from a structured source, so this dashboard won't guess. Check the official WDFW sport fishing rules before fishing.
rules are shown exactly as published and cover every species at this location — they can change at any time, so always confirm with WDFW before fishingWant to know the best time to fish for rainbow trout this week at Osborn Lakes?
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Wind now
5mph
NNE · gusting 5
Gusts · 12h
15mph
holding or building
wind mph gusts