The lake bed in 3-D: deep basin, drop-offs and shoreline. Shape estimated, not for navigation. Spot 1 (point drop-off) is open for everyone; the other 5 come with LakeScope PRO. Full screen
Lake Merwin
Clark County, Washington · about 3,520 acres (5.5 sq mi)
50°F water, level steady, calm Thursday morning.
About Lake Merwin
In Clark County, Washington, Lake Merwin covers about 3,520 acres.
It stretches about 8.4 miles end to end with roughly 22 miles of shoreline. Its surface is about 240 ft above sea level. The nearest town, Amboy, is about 4.1 miles south. The closest city is Vancouver, about 22 miles away.
- Size
- About 3,520 acres (5.5 sq mi)
- Shoreline
- About 22 miles
- End to end
- About 8.4 miles
- Elevation
- About 240 ft
- County
- Clark County
The lake from above
Best fishing times
Friday Good
- 3:00 pm – 4:45 pm bestsunset, moon overhead · wind 5 mph
Saturday Good
- 7:00 am – 8:45 amsunrise · wind 5 mph
- 3:15 pm – 5:15 pm bestsunset, moon overhead · wind 6 mph
Based on sun and moon times and the wind forecast. A guide, not a promise. The app shows the whole week.
Fish to expect
Lakes like Lake Merwin in Washington usually hold largemouth bass, walleye, crappie, bluegill and sunfish and catfish. The state fish and wildlife agency lists what is stocked and the rules for this lake. With the surface at 50°F, the notes below say which of them should be biting.
- FairLargemouth bass
Cooling down. Try slow baits on points and deeper channel edges.
- GoodWalleye
Good cool-water bite, best at dusk and after dark.
- FairCrappie
Schooled on deeper brush piles. Fish small jigs slowly.
- SlowBluegill and sunfish
Cold. Deep and hard to tempt. Use tiny baits.
- FairCatfish
Waking up. Channels and creek mouths, especially after rain.
From today's water temperature and the season. A guide, not a promise.
Fishing spots
- 1Point drop-off
The bottom falls away fast off this point; fish rest deep and move up the slope to feed.
- 2
- 3
- 4
- 5
- 6
5 more spots with LakeScope PRO: fish, depth band, water temperature, best time and bait for each.
Picked from the shape of the lake bed. A guide, not a promise.
Water temperature
At the surface, seen .
Water level
Steady over 7 days.
Latest reading .
Ice
Open water
Ice thickness is an estimate from air temperature, not a measurement. Check the ice yourself before going on it.
Weather and wind
Sunrise 7:07 am · sunset 4:39 pm · waxing crescent moon (lake time).
Towns and places to stay near Lake Merwin
- Amboyabout 4.1 mi south
- Yacoltabout 6.9 mi south
- La Centerabout 8.5 mi southwest
- Woodlandabout 9.6 mi west
- Vancouvernearest city, about 22 mi southwest
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Questions about Lake Merwin
What fish are in Lake Merwin?
Lakes like Lake Merwin usually hold largemouth bass, walleye, crappie, bluegill and sunfish and catfish. Check the state fish and wildlife agency for stocking and limits.
How deep is Lake Merwin?
We have no published depth for this lake. The 3-D view gives an estimated shape of the bed: where the deep basin and the drop-offs are. Not for navigation.
How big is Lake Merwin?
About 3,520 acres, with about 22 miles of shoreline.
What town is near Lake Merwin?
Amboy is about 4.1 miles south; Yacolt is about 6.9 miles south.
What is the water temperature at Lake Merwin today?
The surface was about 50°F on the latest clear reading. The page updates every day.
Lake Merwin on your phone
The whole week of bite times, lake alerts and the 3-D view, every morning.
