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Rainbow stocking
Lowland lake · Whatcom County · 803.6 acres · 1,213 ft
249,364 rainbows on Oct 27
11 months agoMarblemount Hatchery
Fish per pound
Fry · under 1 oz each
1,000
Planted small, to grow on — these are not catchable yet.
2026 so far
0
0% of a normal year
Normal year
248,746
average of 11 seasons
Typical size
Fry
under 1 oz each
Stocking season
Oct
when the truck comes
This year against a 11-season average
2026normal
Recent plants
| Date | Species | Number | Fish/lb | Size |
|---|---|---|---|---|
| Oct 27 | Rainbow | 249,364 | 1,000 | Fry · under 1 oz each |
| Nov 4 | Rainbow | 134,588 | 800 | Fry · under 1 oz each |
| Oct 26 | Rainbow | 148,870 | 750 | Fry · under 1 oz each |
| Oct 26 | Rainbow | 15,374 | 750 | Fry · under 1 oz each |
| Oct 18 | Rainbow | 278,347 | 750 | Fry · under 1 oz each |
| Oct 4 | Rainbow | 318,485 | 771 | Fry · under 1 oz each |
| Oct 6 | Rainbow | 249,097 | 963 | Fry · under 1 oz each |
| Oct 2 | Rainbow | 140,229 | 713 | Fry · under 1 oz each |
23 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 Diablo Lake fished
No catch reports yet for this water.
Currently
58°
Clearfeels like 54°
Tue
Favorable
66° 52°
wind 6 kt · 30% rain
Wed
Favorable
81° 56°
wind 7 kt · 0% rain
Thu
Favorable
84° 57°
wind 5 kt · 0% rain
Fri
Favorable
77° 52°
wind 4 kt · 0% rain
Sat
Favorable
78° 52°
wind 4 kt · 0% rain
Sun
Favorable
80° 53°
wind 5 kt · 0% rain
Mon
Favorable
70° 50°
wind 6 kt · 6% rain
The current regulation for Diablo 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 Diablo Lake?
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Wind now
6mph
SW · gusting 6
Gusts · 12h
10mph
laying down
wind mph gusts