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North Dakota

Swan Lake

Drawn from Nelson County drainages in North Dakota, Swan Lake covers about 2,999 acres and offers seasonal largemouth water for patient anglers.

Surface
2,999acres
Primary species
Largemouth
§ 01Today on the water · Swan Lakevia Open-Meteo · 18:45 local
Air temp
77.6°F
Barometric
29.79″
→steady 24h(+0.05)
Wind
23mph
from SW
Moon
Full Moon
day 18.4 · 86% lit

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

§ 03Next 3 daysvia Open-Meteo · interpretation
  1. 31
    augMon

    Tougher window

    hi 79° · lo 58°

    Pick the calmest hour and stay flexible. Conditions push hard today; bite likely shrinks. Plan around the calmest gap.

    ── strong w wind · bite likely shrinks

  2. 1
    sepTue

    Watch the wind

    hi 77° · lo 58°

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

    ── stiff w wind

  3. 2
    sepWed

    Watch the wind

    hi 87° · lo 59°

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

    ── direction shift overnight

§ 04Field notesNorth Dakota

Where it is

Swan Lake sits in Nelson County, North Dakota, covering about 2,999 acres. Season and conditions decide the productive water; the map is the starting point.

Seasonal pattern

Spring. Warming water pulls largemouth toward shallow, protected areas where they stage and spawn; the quickest-warming pockets lead.

Summer. Heat pushes fish off the shallows toward depth and shade; work the cooler ends of the day.

Fall. As water cools, forage and bass return toward shallower water; movement is wide, so covering water pays.

Winter. Cold water settles fish deep and slow; patience and a subtle presentation are the more dependable choice.

Key structure

  • Creek and cove mouths that funnel fish and bait
  • Weed edges and the clean lines along them
  • Inside turns where a bank changes angle
  • Submerged wood, brush, and laydown cover

The calendar decides which of these is worth time on a given day.

Forage

Forage on Swan Lake centers on baitfish and panfish; largemouth follow those schools across cover and depth changes.

Access

Access to Swan Lake is generally public; check water levels and conditions before launching.

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:01032406). 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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