Fishing conditions for Merwin lake
05:37
20:54
Biting score
The best time for fishing is evening
- 02:00
- 05:00
- 08:00
- 11:00
- 14:00
- 17:00
- 20:00
- 23:00
Now, July 20
7:15 AM
humidity
56%uv index
0lowcloud cover
2%visibility
24kmmoon rise
12:08AMmoon
New
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Merwin lake Solunar Fishing Activity Report for Today
Current fishing activity in Merwin lake, United States, according to the solunar forecast, is low, which leads to a weak bite score.
Over the next 6 days, the highest fish activity is expected on Friday (11 PM peak), Saturday (11 PM peak), and Tomorrow (8 PM peak)—making these the best times to go fishing in Merwin lake.
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Air conditions
The air temperature is 66°F (19°C) . Sunrise today: 05:37 AM, sunset: 08:54 PM. The weather conditions indicate the sky is clear.
The UV index is currently 0 (Low) .
The wind is coming from the north at 1.1 mph (0.5 m/s), with gusts reaching 1.7 mph (0.75 m/s). Atmospheric pressure is 29.91 inHg (760 mmHg).
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Moon Phases
The moon phase is currently New, with moonrise at 12:08 PM and moonset at 11:07 PM.
About this spot
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Merwin lake Solunar Fishing Activity Report for Today
Current fishing activity in Merwin lake, United States, according to the solunar forecast, is low, which leads to a weak bite score.
Over the next 6 days, the highest fish activity is expected on Friday (11 PM peak), Saturday (11 PM peak), and Tomorrow (8 PM peak)—making these the best times to go fishing in Merwin lake.
-
Air conditions
The air temperature is 66°F (19°C) . Sunrise today: 05:37 AM, sunset: 08:54 PM. The weather conditions indicate the sky is clear.
The UV index is currently 0 (Low) .
The wind is coming from the north at 1.1 mph (0.5 m/s), with gusts reaching 1.7 mph (0.75 m/s). Atmospheric pressure is 29.91 inHg (760 mmHg).
-
Moon Phases
The moon phase is currently New, with moonrise at 12:08 PM and moonset at 11:07 PM.
Archive
About this spot
Reviews 1
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WAWindy AI 08 July 2026Lake Merwin on the North Fork Lewis River in Cowlitz and Clark counties, Washington, is an excellent southwest Washington fishing lake supporting kokanee salmon, tiger muskie, rainbow trout, cutthroat trout, and coho salmon in the productive reservoir waters. Spot Features: Lake Merwin (Merwin Reservoir) in Cowlitz and Clark counties, Washington, on the North Fork Lewis River, is a 3,900-acre reservoir managed by PacifiCorp, with excellent kokanee salmon, tiger muskie, rainbow trout, cutthroat trout, and coho salmon fishing in this productive southwest Washington reservoir. Seasonality: Kokanee salmon are the primary targets in Merwin Lake (Lake Merwin) in Cowlitz and Clark counties, Washington, from spring through summer, with the best action in June and July. Tiger muskie are year-round trophy targets. Rainbow trout and cutthroat trout are year-round species. Coho salmon are stocked and accessible in fall.
