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Rainbow stocking
High lake · King County · 4.6 acres · 3,826 ft
120 rainbows on Oct 12
2 years agoTokul Creek Hatchery
Average size
Fry
under 0.1 lb
Planted small, to grow on — these are not catchable yet.
2026 so far
0
0% of a normal year
Normal year
120
average of 3 seasons
Typical size
Fry
under 0.1 lb each
Stocking season
Aug
when the truck comes
This year against a 3-season average
2026normal
Recent plants
| Date | Species | Number | Size | Fish/lb |
|---|---|---|---|---|
| Oct 12 | Rainbow | 120 | Fry · under 0.1 lb each | 350 |
| Aug 23 | Rainbow | 120 | Fry · under 0.1 lb each | 351 |
| Aug 17 | Rainbow | 120 | Fry · under 0.1 lb each | 351 |
3 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 |
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 Grotto Lake fished
No catch reports yet for this water.
Currently
46°
Clearfeels like 42°
Tue
Favorable
50° 42°
wind 7 kt · 22% rain
Wed
Favorable
63° 46°
wind 8 kt · 1% rain
Thu
Favorable
67° 45°
wind 9 kt · 0% rain
Fri
Favorable
64° 41°
wind 5 kt · 0% rain
Sat
Favorable
67° 40°
wind 4 kt · 0% rain
Sun
Favorable
68° 43°
wind 5 kt · 0% rain
Mon
Favorable
57° 38°
wind 6 kt · 7% rain
The current regulation for Grotto Lake 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 Grotto Lake?
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Wind now
4mph
E · gusting 5
Gusts · 12h
15mph
laying down
wind mph gusts