Loading page content…
Loading page content…
Loading lake conditions…
Nantachie Lake sits in Louisiana and is classified as a reservoir. At around 1,580 acres (about 2 square miles), it is a mid-sized waterbody. If you are planning a trip, Toledo Bend Reservoir and Catahoula Lake are also nearby. For this location, LakeRadar tracks an hourly and 7-day forecast, wind and gust outlook, and activity scores for boating, paddling, and swimming. Use the conditions and forecast on this page to decide when to go boating, fishing, or paddling at Nantachie Lake.
Updated
No active alerts for this lake as of the last check (Oct 11, 2:56 PM CDT). Alerts are re-checked automatically; see the official source for updates.
Overall Good (84/100) across 4 activities. Best right now: Boating (99/100).
How the score is calculated →Best excellent fishing window, averaging 91/100 across these hours. Wind 0 mph from the southwest. Dusk hours (18:00 local). Derived from the hourly forecast; official alerts are not forecast and are checked separately.
| Metric | 7p | 8p | 9p | 10p | 11p | 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a | 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 91° | 93° | 93° | 92° | 89° | 83° | 79° | 76° | 73° | 70° | 68° | 67° | 64° | 63° | 63° | 62° | 61° | 61° | 62° | 70° | 79° | 85° | 89° | 92° |
| Wind (kts) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 4 | 4 |
| Direction | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S | S | S |
| Gusts (kts) | 7 | 7 | 6 | 6 | 5 | 5 | 5 | 6 | 7 | 7 | 7 | 6 | 5 | 5 | 4 | 3 | 3 | 3 | 4 | 4 | 6 | 8 | 10 | 10 |
| Precip % | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% |
| Time | Temp | Wind | Gusts | Precip | Cloud | Condition |
|---|---|---|---|---|---|---|
| Sun, 2 PM CDT | 91°F | Calm | 8 mph | 0% | 3% | Sunny |
| Sun, 3 PM CDT | 93°F | Calm | 8 mph | 0% | 9% | Sunny |
| Sun, 4 PM CDT | 93°F | Calm | 7 mph | 0% | 11% | Sunny |
| Sun, 5 PM CDT | 92°F | Calm | 7 mph | 0% | 15% | Sunny |
| Sun, 6 PM CDT | 89°F | Calm | 6 mph | 0% | 31% | Partly Cloudy |
| Sun, 7 PM CDT | 83°F | Calm | 6 mph | 0% | 65% | Mostly Cloudy |
| Sun, 8 PM CDT | 79°F | Calm | 6 mph | 0% | 71% | Mostly Cloudy |
| Sun, 9 PM CDT | 76°F | Calm | 7 mph | 0% | 52% | Mostly Cloudy |
| Sun, 10 PM CDT | 73°F | Calm | 8 mph | 0% | 37% | Partly Cloudy |
| Sun, 11 PM CDT | 70°F | Calm | 8 mph | 0% | 33% | Partly Cloudy |
| Mon, 12 AM CDT | 68°F | Calm | 8 mph | 0% | 31% | Partly Cloudy |
| Mon, 1 AM CDT | 67°F | Calm | 7 mph | 0% | 10% | Mostly Clear |
| Mon, 2 AM CDT | 64°F | Calm | 6 mph | 0% | 11% | Mostly Clear |
| Mon, 3 AM CDT | 63°F | Calm | 6 mph | 0% | 4% | Clear |
| Mon, 4 AM CDT | 63°F | Calm | 5 mph | 0% | 4% | Clear |
| Mon, 5 AM CDT | 62°F | Calm | 4 mph | 0% | 5% | Clear |
| Mon, 6 AM CDT | 61°F | Calm | 4 mph | 0% | 5% | Sunny |
| Mon, 7 AM CDT | 61°F | Calm | 4 mph | 0% | 9% | Sunny |
| Mon, 8 AM CDT | 62°F | Calm | 5 mph | 0% | 12% | Sunny |
| Mon, 9 AM CDT | 70°F | Calm | 5 mph | 0% | 11% | Sunny |
| Mon, 10 AM CDT | 79°F | Calm | 7 mph | 0% | 0% | Sunny |
| Mon, 11 AM CDT | 85°F | 5 mph S (180°) | 9 mph | 0% | 3% | Sunny |
| Mon, 12 PM CDT | 89°F | 5 mph S (180°) | 12 mph | 0% | 5% | Sunny |
| Mon, 1 PM CDT | 92°F | 5 mph S (180°) | 12 mph | 0% | 5% | Sunny |
| Mon, 2 PM CDT | 94°F | 5 mph S (180°) | 13 mph | 0% | 9% | Sunny |
Official National Weather Service hourly forecast. Showing 10 of 25 hours. Wind arrows point the way the wind is blowing; the compass point and degrees show where it comes from.
| Period | This Afternoon October 11, 2026 | Tonight October 11, 2026 | Columbus Day October 12, 2026 | Monday Night October 12, 2026 | Tuesday October 13, 2026 | Tuesday Night October 13, 2026 | Wednesday October 14, 2026 | Wednesday Night October 14, 2026 | Thursday October 15, 2026 | Thursday Night October 15, 2026 | Friday October 16, 2026 | Friday Night October 16, 2026 | Saturday October 17, 2026 | Saturday Night October 17, 2026 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 93° | 61° | 95° | 68° | 95° | 68° | 95° | 64° | 95° | 64° | 90° | 57° | 78° | 50° |
| Wind | 0 mph | 0 mph | E 0 to 5 mph | S 0 to 5 mph | S 0 to 5 mph | S 0 to 5 mph | S 0 to 5 mph | S 0 to 5 mph | S 0 to 5 mph | 0 mph | N 0 to 10 mph | N 5 to 15 mph | N 10 to 15 mph | NE 0 to 10 mph |
| Gusts | 8 mph | 8 mph | 14 mph | 13 mph | 13 mph | 13 mph | 12 mph | 12 mph | 9 mph | 8 mph | 20 mph | 24 mph | 24 mph | 22 mph |
| Precip % | 0% | 0% | 0% | 0% | 23% | 23% | 7% | 7% | 0% | 1% | 5% | 5% | 1% | 1% |
| Forecast |
Good for fishing (79/100), from 5 available inputs. Supporting this: Wind 0 mph from the southwest. 0% chance of precipitation. Not available from a verified source for this lake: pressure trend, water temperature. Confidence is moderate (74%) because some inputs are unavailable or older than ideal.
Excellent for boating (99/100), from 4 available inputs. Supporting this: Wind 0 mph from the southwest. Gusts to 8 mph. Not available from a verified source for this lake: visibility and conditions, verified water access. Confidence is moderate (84%) because some inputs are unavailable or older than ideal.
Fair for sailing (58/100), from 4 available inputs. Supporting this: No active official alerts for this lake. Gusts exceed sustained wind by 8 mph, making the breeze puffy. Working against it: Wind 0 mph is light; expect limited sailing. Not available from a verified source for this lake: visibility. Confidence is high (88%).
Excellent for kayaking (97/100), from 5 available inputs. Supporting this: Wind 0 mph from the southwest. Gusts to 8 mph. Confidence is high (90%).
Water temperature is not available from a verified source for this lake. No swimming score is shown without it.
Loading interactive map…
Individual boat ramp GPS coordinates are maintained under the jurisdiction of LA Parks & Wildlife Authority. Public boaters should verify seasonal launch water levels, gate hours, and daily vehicle/vessel fees before traveling.
Located in LA, Nantachie Lake is a prominent freshwater reservoir known for its freshwater recreation and accessible shoreline. From open-water cruising and watersports to morning kayak tours, the lake attracts visitors throughout the warmer months. Managing stewardship is overseen by state and local natural resource agencies, ensuring sustainable multi-use access.
Valid freshwater sport fishing license issued by Louisiana Department of Wildlife and Fisheries (LDWF) is required for anglers age 18+. Digital license on mobile is accepted.
Current motorized watercraft registration mandatory. Practice Clean, Drain & Dry protocols: drain all livewells and inspect props before launching. Life jackets required for all passengers.
Public shoreline and boating access managed by State & Local Authorities. Verify seasonal gate hours, launch fees, and parking rules before travel.
High-speed motorboating, pontoon cruising, wakeboarding, and water skiing across main channels. Target gamefish include Redear Sunfish, Bluegill, Largemouth Bass, Flathead Catfish. Morning hours typically provide optimal glassy conditions for kayak and stand-up paddleboard (SUP) touring.
Warm water temperatures, peak swimming, active watersports, and open full-service campgrounds. Highest weekly attendance; plan early arrivals on summer weekends.
Spring pre-spawn and fall feeding transitions create prime trophy angling conditions. Cooler air, lower boat traffic, and vibrant seasonal shoreline foliage.
Mild year-round outdoor climate. Uncrowded waters, active winter bass and crappie fishing, and open year-round boat launch access.
No external source rows are cited by the data currently shown on this page.
Updated
Scores are heuristics, not safety guarantees. LakeRadar scores summarize available conditions and are not a substitute for official warnings, local rules, or on-water judgment.
All telemetry for Nantachie Lake is synchronized directly from authorized federal and state monitoring networks (USGS, NWS, NOAA, and state environmental authorities). Observations are strictly instrumented readings — unmonitored sensors are transparently disclosed rather than synthetic estimates.
Last source audit: Oct 11, 2:56 PM CDT