Regional spawn calendar
Pacific Northwest spawn calendar.
2 species with documented spawn timing in Pacific Northwest. Spawn timing is driven by water temperature — these calendar windows reflect the typical years when water reaches each species' threshold.
All species
Pacific Northwest spawn windows.
- Rainbow TroutOncorhynchus mykissTypical window: Late January – Mid-AprilTypical window: Late January – Mid-April
Pacific Northwest sea-run steelhead and inland rainbow timing varies by strain.
- Cutthroat TroutOncorhynchus clarkiiTypical window: Late March – Mid-JuneTypical window: Late March – Mid-June
Pacific Northwest cutthroat subspecies (coastal, sea-run) peak March–May.
Pacific Northwest spawn alerts.
Bield: Fish ties USGS gauges in your area to species spawn thresholds — get notified the day water temperature hits pre-spawn for your target.
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