Loading page content…
Loading page content…
Loading lake conditions…
Great Falls Lake is a reservoir located in Tennessee.
Updated
Latest source update is older than expected. Use caution and check the official source.
The last automated check (Oct 11, 6:09 AM CDT) found no active alerts for this lake, but that check is older than LakeRadar's alert freshness window, so the current alert status could not be confirmed.
Confirm before heading out: official alerts for this area or weather.gov/alerts. LakeRadar scores summarize available conditions and are not a substitute for official warnings, local rules, or on-water judgment.
Overall Good (79/100) across 4 activities. Best right now: Boating (90/100).
How the score is calculated →Best excellent fishing window, averaging 92/100 across these hours. Wind 0 mph from the west-southwest. Dawn hours (07:00 local). Derived from the hourly forecast; official alerts are not forecast and are checked separately.
| Metric | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p | 9p | 10p | 11p | 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a | 8a | 9a | 10a | 11a | 12p |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 60° | 62° | 64° | 65° | 65° | 66° | 68° | 68° | 68° | 70° | 68° | 65° | 64° | 62° | 61° | 61° | 60° | 59° | 58° | 57° | 56° | 55° | 55° | 54° |
| Wind (kts) | 0 | 4 | 4 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Direction | — | W | W | W | W | W | W | W | W | W | W | W | — | — | — | — | — | — | — | — | — | — | — | — |
| Gusts (kts) | 8 | 10 | 11 | 13 | 14 | 15 | 16 | 16 | 15 | 13 | 12 | 11 | 9 | 7 | 6 | 5 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 |
| Precip % | 70% | 54% | 46% | 53% | 55% | 43% | 33% | 33% | 28% | 27% | 15% | 3% | 1% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% |
| Time | Temp | Wind | Gusts | Precip | Cloud | Condition |
|---|---|---|---|---|---|---|
| Sun, 8 AM CDT | 60°F | Calm | 9 mph | 70% | 79% | Rain Showers Likely |
| Sun, 9 AM CDT | 62°F | 5 mph WSW (248°) | 12 mph | 54% | 76% | Chance Rain Showers |
| Sun, 10 AM CDT | 64°F | 5 mph WSW (248°) | 13 mph | 46% | 83% | Chance Rain Showers |
| Sun, 11 AM CDT | 65°F | 10 mph W (270°) | 15 mph | 53% | 82% | Chance Rain Showers |
| Sun, 12 PM CDT | 65°F | 10 mph W (270°) | 16 mph | 55% | 82% | Rain Showers Likely |
| Sun, 1 PM CDT | 66°F | 10 mph W (270°) | 17 mph | 43% | 85% | Chance Rain Showers |
| Sun, 2 PM CDT | 68°F | 10 mph W (270°) | 18 mph | 33% | 87% | Chance Rain Showers |
| Sun, 3 PM CDT | 68°F | 10 mph W (270°) | 18 mph | 33% | 87% | Chance Rain Showers |
| Sun, 4 PM CDT | 68°F | 10 mph W (270°) | 17 mph | 28% | 86% | Chance Rain Showers |
| Sun, 5 PM CDT | 70°F | 10 mph W (270°) | 15 mph | 27% | 86% | Chance Rain Showers |
| Sun, 6 PM CDT | 68°F | 5 mph W (270°) | 14 mph | 15% | 83% | Slight Chance Rain Showers |
| Sun, 7 PM CDT | 65°F | 5 mph WSW (248°) | 13 mph | 3% | 65% | Mostly Cloudy |
| Sun, 8 PM CDT | 64°F | Calm | 10 mph | 1% | 45% | Partly Cloudy |
| Sun, 9 PM CDT | 62°F | Calm | 8 mph | 0% | 30% | Patchy Fog |
| Sun, 10 PM CDT | 61°F | Calm | 7 mph | 0% | 31% | Patchy Fog |
| Sun, 11 PM CDT | 61°F | Calm | 6 mph | 0% | 31% | Areas Of Fog |
| Mon, 12 AM CDT | 60°F | Calm | 5 mph | 0% | 29% | Areas Of Fog |
| Mon, 1 AM CDT | 59°F | Calm | 5 mph | 0% | 29% | Areas Of Fog |
| Mon, 2 AM CDT | 58°F | Calm | 5 mph | 0% | 32% | Areas Of Fog |
| Mon, 3 AM CDT | 57°F | Calm | 5 mph | 0% | 32% | Areas Of Fog |
| Mon, 4 AM CDT | 56°F | Calm | 4 mph | 0% | 38% | Areas Of Fog |
| Mon, 5 AM CDT | 55°F | Calm | 4 mph | 0% | 45% | Areas Of Fog |
| Mon, 6 AM CDT | 55°F | Calm | 4 mph | 0% | 49% | Areas Of Fog |
| Mon, 7 AM CDT | 54°F | Calm | 4 mph | 0% | 42% | Areas Of Fog |
| Mon, 8 AM CDT | 58°F | Calm | 5 mph | 0% | 38% | Areas Of Fog |
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 | Today October 11, 2026 | Overnight October 11, 2026 | Today October 11, 2026 | Tonight October 11, 2026 | Tonight October 11, 2026 | Monday October 12, 2026 | Columbus Day October 12, 2026 | Monday Night October 12, 2026 | Monday Night October 12, 2026 | Tuesday October 13, 2026 | Tuesday October 13, 2026 | Tuesday Night October 13, 2026 | Tuesday Night October 13, 2026 | Wednesday October 14, 2026 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 65° | 58° | 70° | 60° | 53° | 80° | 84° | 56° | 58° | 84° | 87° | 62° | 60° | 86° |
| Wind | 10 mph | 0 mph | WSW 0 to 10 mph | 8 mph | WSW 0 to 5 mph | 6 mph | W 0 to 5 mph | 5 mph | 0 mph | 8 mph | SW 0 to 10 mph | 6 mph | SSW 0 to 5 mph | 8 mph |
| Gusts | 20 mph | 7 mph | 20 mph | 20 mph | 14 mph | 14 mph | 10 mph | 14 mph | 7 mph | 11 mph | 14 mph | 14 mph | 12 mph | 13 mph |
| Precip % | 45% | 32% | 70% | 36% | 15% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 8% |
| Forecast |
No active USGS or USACE telemetry gauge is currently mapped to Great Falls Lake. Not available from a verified source for this lake.
Good for fishing (78/100), from 5 available inputs. Supporting this: Wind 0 mph from the west-southwest. Morning hours (08:00 local). Working against it: 70% chance of precipitation is likely. 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 (90/100), from 4 available inputs. Supporting this: Wind 0 mph from the west-southwest. Gusts to 9 mph. Working against it: 70% chance of precipitation is likely. 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.
Poor for sailing (49/100), from 4 available inputs. Supporting this: No active official alerts for this lake. Gusts exceed sustained wind by 9 mph, making the breeze puffy. Working against it: Wind 0 mph is light; expect limited sailing. 70% chance of precipitation is likely. Not available from a verified source for this lake: visibility. Confidence is high (88%).
Excellent for kayaking (90/100), from 5 available inputs. Supporting this: Wind 0 mph from the west-southwest. Gusts to 9 mph. Working against it: 70% chance of precipitation is likely. 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 TN Parks & Wildlife Authority. Public boaters should verify seasonal launch water levels, gate hours, and daily vehicle/vessel fees before traveling.
Anchored in the heart of TN, Great Falls Lake serves as a central hub for boating excursions, weekend camping, and sport fishing. The lake features varied bottom contours and shoreline cover that support diverse aquatic life. Launch ramps and recreational amenities are overseen by state and local natural resource agencies.
Valid freshwater sport fishing license issued by Tennessee Wildlife Resources Agency (TWRA) is required for anglers age 13+. 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 Smallmouth Bass, Bluegill, Rock Bass, Walleye. 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 Great Falls 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, 8:08 AM CDT