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Lake Hartwell is a reservoir located in South Carolina.
Updated
No active alerts for this lake as of the last check (Oct 9, 5:23 AM EDT). Alerts are re-checked automatically; see the official source for updates.
Best good fishing window, averaging 88/100 across these hours. Measured water temperature 77°F. Provisional data. Wind 9 mph from the northeast. Derived from the hourly forecast; official alerts are not forecast and are checked separately.
| Metric | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p | 9p | 10p | 11p | 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a | 8a |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 68° | 67° | 67° | 66° | 67° | 69° | 70° | 72° | 74° | 74° | 75° | 76° | 75° | 75° | 74° | 72° | 72° | 71° | 71° | 69° | 68° | 67° | 66° | 65° |
| Wind (kts) | 7 | 8 | 9 | 10 | 11 | 11 | 12 | 13 | 12 | 12 | 11 | 11 | 10 | 10 | 11 | 12 | 13 | 13 | 14 | 15 | 16 | 16 | 17 | 18 |
| Direction | NE | NE | NE | NE | NE | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | E | NE |
| Gusts (kts) | 11 | 14 | 14 | 16 | 16 | 17 | 18 | 18 | 18 | 17 | 18 | 18 | 16 | 17 | 17 | 18 | 19 | 19 | 20 | 21 | 22 | 23 | 25 | 26 |
| Precip % | 0% | 0% | 0% | 1% | 1% | 1% | 2% | 2% | 1% | 1% | 1% | 1% | 1% | 1% | 2% | 2% | 4% | 5% | 15% | 25% | 30% | 36% | 60% | 65% |
| Time | Temp | Wind | Gusts | Precip | Cloud | Condition |
|---|---|---|---|---|---|---|
| Fri, 5 AM EDT | 68°F | 8 mph NE (45°) | 13 mph | 0% | 85% | Mostly Cloudy |
| Fri, 6 AM EDT | 67°F | 9 mph NE (45°) | 16 mph | 0% | 91% | Cloudy |
| Fri, 7 AM EDT | 67°F | 10 mph NE (45°) | 16 mph | 0% | 90% | Cloudy |
| Fri, 8 AM EDT | 66°F | 12 mph NE (45°) | 18 mph | 1% | 91% | Cloudy |
| Fri, 9 AM EDT | 67°F | 13 mph NE (45°) | 18 mph | 1% | 86% | Mostly Cloudy |
| Fri, 10 AM EDT | 69°F | 13 mph ENE (68°) | 20 mph | 1% | 89% | Cloudy |
| Fri, 11 AM EDT | 70°F | 14 mph ENE (68°) | 21 mph | 2% | 88% | Cloudy |
| Fri, 12 PM EDT | 72°F | 15 mph ENE (68°) | 21 mph | 2% | 88% | Cloudy |
| Fri, 1 PM EDT | 74°F | 14 mph ENE (68°) | 21 mph | 1% | 90% | Cloudy |
| Fri, 2 PM EDT | 74°F | 14 mph ENE (68°) | 20 mph | 1% | 87% | Mostly Cloudy |
| Fri, 3 PM EDT | 75°F | 13 mph ENE (68°) | 21 mph | 1% | 86% | Mostly Cloudy |
| Fri, 4 PM EDT | 76°F | 13 mph ENE (68°) | 21 mph | 1% | 84% | Mostly Cloudy |
| Fri, 5 PM EDT | 75°F | 12 mph ENE (68°) | 18 mph | 1% | 85% | Mostly Cloudy |
| Fri, 6 PM EDT | 75°F | 12 mph ENE (68°) | 20 mph | 1% | 85% | Mostly Cloudy |
| Fri, 7 PM EDT | 74°F | 13 mph ENE (68°) | 20 mph | 2% | 90% | Cloudy |
| Fri, 8 PM EDT | 72°F | 14 mph ENE (68°) | 21 mph | 2% | 91% | Cloudy |
| Fri, 9 PM EDT | 72°F | 15 mph ENE (68°) | 22 mph | 4% | 95% | Cloudy |
| Fri, 10 PM EDT | 71°F | 15 mph ENE (68°) | 22 mph | 5% | 91% | Cloudy |
| Fri, 11 PM EDT | 71°F | 16 mph ENE (68°) | 23 mph | 15% | 89% | Slight Chance Rain Showers |
| Sat, 12 AM EDT | 69°F | 17 mph ENE (68°) | 24 mph | 25% | 89% | Chance Rain Showers |
| Sat, 1 AM EDT | 68°F | 18 mph ENE (68°) | 25 mph | 30% | 94% | Chance Rain Showers |
| Sat, 2 AM EDT | 67°F | 18 mph ENE (68°) | 27 mph | 36% | 93% | Chance Rain Showers |
| Sat, 3 AM EDT | 66°F | 20 mph ENE (68°) | 29 mph | 60% | 92% | Rain Showers Likely |
| Sat, 4 AM EDT | 65°F | 21 mph NE (45°) | 30 mph | 65% | 93% | Rain Showers Likely |
| Sat, 5 AM EDT | 64°F | 21 mph NE (45°) | 30 mph | 69% | 95% | Rain Showers Likely |
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 | Overnight October 9, 2026 | Friday October 9, 2026 | Friday Night October 9, 2026 | Saturday October 10, 2026 | Saturday Night October 10, 2026 | Sunday October 11, 2026 | Sunday Night 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 66° | 76° | 62° | 69° | 66° | 74° | 64° | 81° | 61° | 83° | 64° | 83° | 64° | 79° |
| Wind | NE 8 mph | NE 9 to 15 mph | ENE 12 to 21 mph | ENE 23 mph | E 15 to 24 mph | S 14 mph | WSW 14 mph | W 8 to 13 mph | WNW 3 to 8 mph | W 2 to 6 mph | W 5 mph | NNE 5 mph | E 5 mph | E 6 mph |
| Gusts | 13 mph | 21 mph | 30 mph | 36 mph | 35 mph | 21 mph | 21 mph | 17 mph | 14 mph | 9 mph | 9 mph | 8 mph | 7 mph | 9 mph |
| Precip % | 0% | 2% | 69% | 97% | 99% | 71% | 6% | 1% | 1% | 0% | 0% | 1% | 2% | 4% |
| Forecast |
RUSSELL LAKE ABOVE CALHOUN FALLS, SC · Oct 9, 5:00 AM UTC
Excellent for fishing (91/100), from 6 available inputs. Supporting this: Measured water temperature 77°F. Provisional data. Wind 8 mph from the northeast. Not available from a verified source for this lake: pressure trend. Confidence is moderate (73%) because some inputs are unavailable or older than ideal.
Excellent for boating (92/100), from 4 available inputs. Supporting this: Wind 8 mph from the northeast. No active official alerts for this lake. 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.
Excellent for sailing (92/100), from 4 available inputs. Supporting this: Wind 8 mph from the NE is in the preferred sailing range. No active official alerts for this lake. Not available from a verified source for this lake: visibility. Confidence is high (88%).
Excellent for kayaking (92/100), from 5 available inputs. Supporting this: Wind 8 mph from the northeast. Gusts to 13 mph. Confidence is high (90%).
Surface water measured at 77°F. Air and water contrast evaluate recreational immersion comfort.
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Individual boat ramp GPS coordinates are maintained under the jurisdiction of SC Parks & Wildlife Authority. Public boaters should verify seasonal launch water levels, gate hours, and daily vehicle/vessel fees before traveling.
With its sweeping shoreline and open waters, Lake Hartwell in SC is a favorite getaway for anglers, watersports fans, and campers. The lake provides access via several public ramps, offering easy entry for trailered boats and kayaks. Follow state boating education standards and carry required safety equipment onboard.
Valid freshwater sport fishing license issued by South Carolina Department of Natural Resources (SCDNR) is required for anglers age 16+. 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 Spotted Bass, Green Sunfish, Striped Bass, Channel 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 Lake Hartwell 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 9, 5:23 AM EDT