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Louisiana

Lake Iatt

Lake Iatt totals about 6,603 acres in Louisiana's Grant Parish; largemouth patterns trade depth, cover, and current through the year.

Surface
6,603acres
Primary species
Largemouth
§ 01Today on the water · Lake Iattvia Open-Meteo · 03:30 local
Air temp
80.6°F
Barometric
30.10
steady 24h(0.00)
Wind
3mph
from WSW
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

    Stable window

    hi 91° · lo 73°

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

    ── light sw wind · settled

  2. 18
    julSat

    Stable window

    hi 90° · lo 76°

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

    ── light sw wind · settled

  3. 19
    julSun

    Stable window

    hi 94° · lo 75°

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

    ── light sw wind · settled

§ 04Field notesLouisiana

Where it is

Lake Iatt sits in Grant Parish, Louisiana, covering about 6,603 acres. The fish move with the calendar, and the productive water moves with the fish.

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

The bait on Lake Iatt runs to small panfish and shad-class baitfish; bass set up where those schools move.

Access

Public launches surround Lake Iatt; check seasonal closures, water levels, and weather before a trip.

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 parish/state are from the ProjectD canonical waterbody index (snapshot conus-20260518-v1, group gnis:00554817). 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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