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Minnesota

Marion Lake

In Otter Tail County, Minnesota, Marion Lake offers a 1,603-acre largemouth water where seasonal forage and weather drive the bite.

Surface
1,603acres
Primary species
Largemouth
§ 01Today on the water · Marion Lakevia Open-Meteo · 02:00 local
Air temp
75.0°F
Barometric
29.85″
→steady 24h(-0.03)
Wind
7mph
from N
Moon
Waxing Crescent
day 4.0 · 17% lit

Air conditions sampled near the lake center, not measured on the water · refreshed ~15 min

§ 03Next 3 daysvia Open-Meteo · interpretation
  1. 17
    julFri

    Watch the wind

    hi 90° · lo 70°

    Lean into wind-fed shorelines, all day. Wind drives bait position today; pick the shoreline taking it.

    ── stiff w wind

  2. 18
    julSat

    Stable window

    hi 87° · lo 62°

    Anytime through the day. Quiet weather day; lean on seasonal pattern and structure.

    ── light nw wind · settled

  3. 19
    julSun

    Watch the wind

    hi 92° · lo 67°

    Lean into wind-fed shorelines, all day. Wind drives bait position today; pick the shoreline taking it.

    ── stiff sw wind · direction shift overnight

§ 04Field notesMinnesota

Where it is

Marion Lake sits in Otter Tail County, Minnesota, covering about 1,603 acres. Largemouth here move with the season rather than holding one zone.

Seasonal pattern

Spring. As the shallows warm first, fish move up to stage and spawn, with sheltered, sun-warmed water coming on earliest.

Summer. Bass settle on deeper edges and shaded cover after the surface warms, with first and last light the stronger times.

Fall. Falling water temperature draws bait and largemouth back shallow into a broad, roaming feed.

Winter. Activity slows and fish hold deeper near stable water; a slow, deliberate presentation is the steadier read.

Key structure

  • Hard-bottom and rock transitions
  • Weed edges and the clean lines along them
  • Submerged wood, brush, and laydown cover
  • Shoreline cover near quick depth changes

Which of these produces tracks the season more than the map.

Forage

Largemouth track baitfish and the panfish around the same cover on Marion Lake, season to season.

Access

Public access is available around Marion Lake; check current ramp and launch conditions with local sources before a trip, since water levels change through the season.

Regulations

Check current state and local regulations before fishing; limits and seasons can change.

§ 05Sources & field guides

Field guides

Data & references

  • Today's conditions — Open-Meteo, refreshed every ~15 min
  • Moon phase — local astronomical calculation, no external API
  • Lake area, depth, structure — Identity, surface area, coordinates and county/state are from the ProjectD canonical waterbody index (snapshot conus-20260518-v1, group gnis:00647539). Maximum depth and regulation links were not available from an acceptable source and are intentionally omitted.
  • Regulations — verify current state and local regulations before fishing

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