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Official National Weather Service (NWS) point forecast and real-time wind conditions for Mountain Island Lake (North Carolina). 24-hour hour-by-hour wind timelines, peak gusts, watercraft recreation safety thresholds, and 7-day marine outlook.
Today: High 72°F · Low 61°F
Peak gusts: 17 mph · Lake surface chop expected
Humidity: 91% · Barometer: 29.95 inHg
Live hydrological sensor reading for Mountain Island Lake.
Fair for boating (73/100), from 4 available inputs. Supporting this: No active official alerts for this lake. Wind 14 mph from the southwest. 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 (89/100), from 6 available inputs. Supporting this: Measured water temperature 76°F from a representative gauge 6.8 mi away. Provisional data. 2% chance of precipitation. Not available from a verified source for this lake: pressure trend. Confidence is moderate (82%) because some inputs are unavailable or older than ideal.
Fair for kayaking (72/100), from 5 available inputs. Supporting this: No active official alerts for this lake. Wind 14 mph from the southwest. Confidence is high (90%).
Excellent for swimming (90/100), from 5 available inputs. Supporting this: No active official alerts for this lake. Measured water temperature 76°F from a representative gauge 6.8 mi away. Provisional data. Confidence is high (87%).
| Time | Air Temp | Wind (mph) | Direction | Peak Gusts | Rain Chance | Sky & Conditions |
|---|---|---|---|---|---|---|
| 5 PM | 72°F | 14 mph | SW | ⚡ 27 mph | 2% | Mostly Sunny |
| 6 PM | 70°F | 13 mph | SW | ⚡ 25 mph | 3% | Mostly Cloudy |
| 7 PM | 69°F | 12 mph | SW | ⚡ 23 mph | 3% | Mostly Cloudy |
| 8 PM | 66°F | 10 mph | SW | ⚡ 21 mph | 2% | Partly Cloudy |
| 9 PM | 65°F | 9 mph | SW | ⚡ 20 mph | 1% | Mostly Clear |
| 10 PM | 65°F | 9 mph | W | ⚡ 18 mph | 1% | Mostly Clear |
| 11 PM | 64°F | 8 mph | W | ⚡ 15 mph | 1% | Partly Cloudy |
| 12 AM | 64°F | 8 mph | W | ⚡ 15 mph | 1% | Mostly Clear |
| 1 AM | 63°F | 7 mph | W | ⚡ 14 mph | 2% | Mostly Clear |
| 2 AM | 63°F | 7 mph | W | ⚡ 13 mph | 2% | Mostly Clear |
| 3 AM | 63°F | 7 mph | W | ⚡ 13 mph | 2% | Mostly Clear |
| 4 AM | 62°F | 7 mph | W | ⚡ 14 mph | 2% | Clear |
| 5 AM | 62°F | 7 mph | W | ⚡ 14 mph | 2% | Clear |
| 6 AM | 62°F | 7 mph | W | ⚡ 13 mph | 2% | Sunny |
| 7 AM | 61°F | 7 mph | W | ⚡ 13 mph | 1% | Sunny |
| 8 AM | 62°F | 7 mph | W | ⚡ 12 mph | 1% | Sunny |
| 9 AM | 65°F | 8 mph | NW | ⚡ 15 mph | 2% | Sunny |
| 10 AM | 70°F | 9 mph | NW | ⚡ 16 mph | 1% | Sunny |
| 11 AM | 74°F | 9 mph | NW | ⚡ 17 mph | 1% | Sunny |
| 12 PM | 76°F | 10 mph | N | ⚡ 18 mph | 0% | Sunny |
| 1 PM | 78°F | 10 mph | N | ⚡ 20 mph | 0% | Sunny |
| 2 PM | 79°F | 9 mph | N | ⚡ 18 mph | 0% | Sunny |
| 3 PM | 80°F | 9 mph | N | ⚡ 18 mph | 0% | Sunny |
| 4 PM | 80°F | 8 mph | N | ⚡ 17 mph | 0% | Sunny |
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.
Mostly sunny, with a high near 74. Southwest wind around 14 mph, with gusts as high as 26 mph.
Partly cloudy, with a low around 61. West southwest wind 7 to 13 mph, with gusts as high as 25 mph.
Sunny, with a high near 80. West northwest wind 7 to 10 mph, with gusts as high as 20 mph.
Mostly clear, with a low around 56. North northwest wind 1 to 5 mph.
Mostly sunny, with a high near 83. West wind 0 to 5 mph.
Clear, with a low around 58.
Sunny, with a high near 86.
Clear, with a low around 62.
Sunny, with a high near 85.
Mostly clear, with a low around 63.
Mostly sunny, with a high near 84.
Partly cloudy, with a low around 52.
Mostly sunny, with a high near 65.
Mostly clear, with a low around 40.
Mountain Island Lake currently reports 75°F with wind velocity near 9 mph from the SW. 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 Mountain Island Lake 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 Mountain Island Lake 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 Mountain Island Lake Water Level & Temperature page.
View Mountain Island Lake Water Level & Temperature →