Loading page content…
Loading page content…
Loading lake conditions…
Official National Weather Service (NWS) point forecast and real-time wind conditions for Lake Blalock (South Carolina). 24-hour hour-by-hour wind timelines, peak gusts, watercraft recreation safety thresholds, and 7-day marine outlook.
Today: High 76°F · Low 58°F
Peak gusts: 20 mph · Lake surface chop expected
Humidity: 46% · Barometer: 29.95 inHg
USGS water monitoring available for Lake Blalock.
Good for boating (89/100), 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.
Good for fishing (83/100), from 5 available inputs. Supporting this: Wind 8 mph from the northeast. 1% 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.
Good for kayaking (89/100), from 5 available inputs. Supporting this: Wind 8 mph from the northeast. No active official alerts for this lake. Confidence is high (90%).
Water temperature is not available from a verified source for this lake. No swimming score is shown without it. Supporting this: No active official alerts for this lake. Air temperature 76°F. Not available from a verified source for this lake: water temperature.
| Time | Air Temp | Wind (mph) | Direction | Peak Gusts | Rain Chance | Sky & Conditions |
|---|---|---|---|---|---|---|
| 3 PM | 76°F | 8 mph | NE | ⚡ 15 mph | 1% | Cloudy |
| 4 PM | 75°F | 7 mph | NE | ⚡ 15 mph | 2% | Cloudy |
| 5 PM | 75°F | 6 mph | NE | ⚡ 14 mph | 1% | Cloudy |
| 6 PM | 74°F | 6 mph | NE | ⚡ 14 mph | 2% | Cloudy |
| 7 PM | 70°F | 6 mph | NE | ⚡ 14 mph | 2% | Cloudy |
| 8 PM | 67°F | 5 mph | NE | ⚡ 15 mph | 4% | Mostly Cloudy |
| 9 PM | 66°F | 5 mph | NE | ⚡ 15 mph | 5% | Cloudy |
| 10 PM | 65°F | 5 mph | NE | ⚡ 14 mph | 6% | Cloudy |
| 11 PM | 65°F | 5 mph | NE | ⚡ 15 mph | 7% | Cloudy |
| 12 AM | 64°F | 6 mph | NE | ⚡ 16 mph | 10% | Cloudy |
| 1 AM | 63°F | 6 mph | NE | ⚡ 16 mph | 11% | Cloudy |
| 2 AM | 62°F | 6 mph | NE | ⚡ 17 mph | 41% | Chance Rain Showers |
| 3 AM | 61°F | 7 mph | NE | ⚡ 20 mph | 58% | Rain Showers Likely |
| 4 AM | 60°F | 9 mph | NE | ⚡ 22 mph | 70% | Rain Showers Likely |
| 5 AM | 59°F | 10 mph | NE | ⚡ 23 mph | 56% | Rain Showers Likely |
| 6 AM | 59°F | 12 mph | NE | ⚡ 24 mph | 62% | Rain Showers Likely |
| 7 AM | 58°F | 13 mph | NE | ⚡ 25 mph | 65% | Rain Showers Likely |
| 8 AM | 58°F | 14 mph | NE | ⚡ 25 mph | 66% | Chance Rain Showers |
| 9 AM | 59°F | 15 mph | NE | ⚡ 27 mph | 67% | Rain Showers Likely |
| 10 AM | 61°F | 15 mph | NE | ⚡ 28 mph | 68% | Rain Showers Likely |
| 11 AM | 62°F | 14 mph | NE | ⚡ 27 mph | 83% | Rain Showers |
| 12 PM | 63°F | 15 mph | E | ⚡ 27 mph | 94% | Rain Showers |
| 1 PM | 64°F | 15 mph | NE | ⚡ 28 mph | 88% | Rain Showers |
| 2 PM | 64°F | 14 mph | E | ⚡ 28 mph | 94% | Patchy Fog |
Mirror-like to gentle rippled water. Optimal conditions for paddleboarding, kayaking, swimming, and beginner water skiing or wakeboarding.
Pleasant breeze with small wavelets. Great for sailing, pleasure cruising, pontoon boats, and trolling for trout and bass.
Moderate waves with whitecaps likely. Requires skilled boat handling; kayaks, canoes, and stand-up paddleboards should stay close to sheltered bays.
Steep waves, cold spray, and hazardous open water. Avoid small craft voyages. Always check official National Weather Service lake wind advisories.
Cloudy, with a high near 76. Northeast wind around 8 mph.
Rain showers likely after 2am. Cloudy, with a low around 58. Northeast wind 5 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Rain showers and patchy fog before 2pm, then patchy fog and showers and thunderstorms between 2pm and 5pm, then patchy fog and showers and thunderstorms. Cloudy, with a high near 67. Northeast wind 12 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Patchy fog and showers and thunderstorms. Cloudy, with a low around 63. East northeast wind 8 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Showers and thunderstorms before 2pm. Partly sunny, with a high near 74. South southeast wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.
Mostly clear, with a low around 59.
Sunny, with a high near 81.
Clear, with a low around 56.
Sunny, with a high near 85.
Clear, with a low around 60.
Sunny, with a high near 84.
Mostly clear, with a low around 58.
Mostly sunny, with a high near 78.
Partly cloudy, with a low around 57.
Lake Blalock currently reports 73°F with wind velocity near 10 mph from the NE. Atmospheric forecasts and 24-hour hour-by-hour wind timelines are updated hourly from the National Weather Service gridpoint matching the lake's coordinates.
At Lake Blalock and surrounding mountain valleys, diurnal heating of the surrounding terrain causes strong thermal pressure differentials known locally as afternoon breezes (such as the Washoe Zephyr at Lake Tahoe). Wind speeds typically peak between 1:00 PM and 5:00 PM before calming near sunset.
For stand-up paddleboarding (SUP), canoeing, and light kayaks, winds under 7 mph (light breeze) offer the safest, glassiest surface conditions. Between 8–14 mph, small wavelets develop, suitable for sailboats and powerboats. Winds exceeding 15 mph create steep whitecaps and rapid drift; winds over 21 mph warrant small craft warnings.
All weather and wind telemetry is fetched directly from the National Weather Service (NOAA - WFO GSP) high-resolution numerical point-forecast API. LakeRadar uses the official gridpoint for Lake Blalock without artificial smoothing or third-party estimates.
Yes. Live hydrological sensor readings, 30-day elevation histories, full-pool benchmarks, and USGS station provenance are available on our dedicated Lake Blalock Water Level & Temperature page.
View Lake Blalock Water Level & Temperature →