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Official National Weather Service (NWS) point forecast and real-time wind conditions for Big Sandy Lake (Minnesota). 24-hour hour-by-hour wind timelines, peak gusts, watercraft recreation safety thresholds, and 7-day marine outlook.
Today: High 81°F · Low 61°F
Peak gusts: 18 mph · Lake surface chop expected
Humidity: 65% · Barometer: 30.13 inHg
USGS water monitoring available for Big Sandy Lake.
Excellent for boating (93/100), from 4 available inputs. Supporting this: Wind 5 mph from the southwest. 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 fishing (92/100), from 5 available inputs. Supporting this: Wind 5 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 kayaking (93/100), from 5 available inputs. Supporting this: Wind 5 mph from the southwest. 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. 0% chance of precipitation. Not available from a verified source for this lake: water temperature.
| Time | Air Temp | Wind (mph) | Direction | Peak Gusts | Rain Chance | Sky & Conditions |
|---|---|---|---|---|---|---|
| 10 AM | 70°F | 5 mph | SW | ⚡ 14 mph | 0% | Mostly Sunny |
| 11 AM | 74°F | 5 mph | SW | ⚡ 12 mph | 0% | Mostly Sunny |
| 12 PM | 78°F | 5 mph | SW | ⚡ 9 mph | 0% | Mostly Sunny |
| 1 PM | 79°F | 5 mph | W | ⚡ 8 mph | 1% | Partly Sunny |
| 2 PM | 79°F | 5 mph | W | ⚡ 8 mph | 1% | Partly Sunny |
| 3 PM | 81°F | 5 mph | NW | ⚡ 8 mph | 1% | Partly Sunny |
| 4 PM | 81°F | 5 mph | N | ⚡ 9 mph | 2% | Mostly Cloudy |
| 5 PM | 80°F | 5 mph | N | ⚡ 9 mph | 3% | Mostly Cloudy |
| 6 PM | 78°F | 5 mph | N | ⚡ 9 mph | 4% | Mostly Cloudy |
| 7 PM | 74°F | 5 mph | N | ⚡ 9 mph | 4% | Mostly Cloudy |
| 8 PM | 70°F | 5 mph | N | ⚡ 12 mph | 5% | Mostly Cloudy |
| 9 PM | 68°F | 5 mph | NE | ⚡ 13 mph | 5% | Mostly Cloudy |
| 10 PM | 67°F | 5 mph | NE | ⚡ 15 mph | 5% | Cloudy |
| 11 PM | 65°F | 5 mph | NE | ⚡ 15 mph | 5% | Cloudy |
| 12 AM | 64°F | 5 mph | NE | ⚡ 14 mph | 5% | Cloudy |
| 1 AM | 63°F | 5 mph | NE | ⚡ 14 mph | 4% | Cloudy |
| 2 AM | 63°F | 5 mph | NE | ⚡ 15 mph | 5% | Cloudy |
| 3 AM | 61°F | 5 mph | NE | ⚡ 16 mph | 5% | Cloudy |
| 4 AM | 60°F | 10 mph | NE | ⚡ 16 mph | 5% | Cloudy |
| 5 AM | 58°F | 10 mph | NE | ⚡ 16 mph | 6% | Cloudy |
| 6 AM | 57°F | 10 mph | NE | ⚡ 16 mph | 6% | Cloudy |
| 7 AM | 57°F | 10 mph | NE | ⚡ 16 mph | 7% | Cloudy |
| 8 AM | 54°F | 10 mph | NE | ⚡ 17 mph | 5% | Cloudy |
| 9 AM | 54°F | 10 mph | E | ⚡ 18 mph | 4% | Cloudy |
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 81. West wind around 5 mph, with gusts as high as 20 mph.
Cloudy. Low around 54, with temperatures rising to around 58 overnight. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
A chance of rain showers after 1pm. Mostly cloudy. High near 64, with temperatures falling to around 62 in the afternoon. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Rain showers. Cloudy, with a low around 43. Northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
A slight chance of rain showers before 7am. Cloudy, with a high near 56. North wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Mostly cloudy, with a low around 38. Northwest wind around 5 mph.
Mostly sunny, with a high near 59. North wind around 5 mph.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 36. Northeast wind 0 to 5 mph.
A chance of rain showers. Partly sunny, with a high near 57. South wind 5 to 10 mph, with gusts as high as 20 mph.
A chance of rain showers. Mostly cloudy, with a low around 34. West wind 5 to 15 mph, with gusts as high as 25 mph.
A slight chance of rain showers before 1pm. Mostly cloudy, with a high near 50. Northwest wind around 15 mph, with gusts as high as 35 mph.
Partly cloudy, with a low around 28. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Sunny, with a high near 52. West wind 5 to 10 mph, with gusts as high as 20 mph.
Mostly clear, with a low around 33. South wind 10 to 15 mph, with gusts as high as 25 mph.
Big Sandy Lake currently reports 70°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 Big Sandy 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 DLH) high-resolution numerical point-forecast API. LakeRadar uses the official gridpoint for Big Sandy 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 Big Sandy Lake Water Level & Temperature page.
View Big Sandy Lake Water Level & Temperature →