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Official National Weather Service (NWS) point forecast and real-time wind conditions for Grand Lake (Michigan). 24-hour hour-by-hour wind timelines, peak gusts, watercraft recreation safety thresholds, and 7-day marine outlook.
Today: High 59°F · Low 44°F
Peak gusts: 20 mph · Lake surface chop expected
Humidity: 78% · Barometer: 30.10 inHg
Live hydrological sensor reading for Grand Lake.
Excellent for boating (94/100), 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.
Good for fishing (87/100), from 6 available inputs. Supporting this: Wind 5 mph from the southwest. Measured water temperature 60°F. Provisional data. Not available from a verified source for this lake: pressure trend. Confidence is moderate (73%) because some inputs are unavailable or older than ideal.
Good for kayaking (77/100), from 5 available inputs. Supporting this: Wind 5 mph from the southwest. Gusts to 12 mph. Combined air and water temperature is 104°F (below the 120°F safety guideline). Thermal protection recommended for paddle craft. Confidence is high (90%).
Poor for swimming (46/100), from 5 available inputs. Supporting this: No active official alerts for this lake. Wind 5 mph from the southwest. Working against it: Air temperature 44°F. Measured water temperature 60°F. Provisional data. Cold water hazard: thermal protection recommended below 60°F. Water temperature is 60°F (below 60°F). Immersion requires thermal protection. Confidence is moderate (77%) because some inputs are unavailable or older than ideal.
| Time | Air Temp | Wind (mph) | Direction | Peak Gusts | Rain Chance | Sky & Conditions |
|---|---|---|---|---|---|---|
| 10 AM | 52°F | 5 mph | NW | ⚡ 13 mph | 0% | Sunny |
| 11 AM | 55°F | 10 mph | NW | ⚡ 15 mph | 0% | Sunny |
| 12 PM | 57°F | 10 mph | NW | ⚡ 16 mph | 0% | Sunny |
| 1 PM | 58°F | 10 mph | NW | ⚡ 15 mph | 0% | Sunny |
| 2 PM | 58°F | 10 mph | NW | ⚡ 14 mph | 0% | Sunny |
| 3 PM | 58°F | 5 mph | NW | ⚡ 13 mph | 0% | Sunny |
| 4 PM | 58°F | 5 mph | N | ⚡ 10 mph | 0% | Sunny |
| 5 PM | 59°F | 5 mph | N | ⚡ 9 mph | 0% | Sunny |
| 6 PM | 57°F | 5 mph | N | ⚡ 8 mph | 0% | Clear |
| 7 PM | 54°F | 0 mph | — | ⚡ 7 mph | 0% | Clear |
| 8 PM | 50°F | 0 mph | — | ⚡ 6 mph | 0% | Clear |
| 9 PM | 46°F | 0 mph | — | ⚡ 6 mph | 0% | Clear |
| 10 PM | 45°F | 0 mph | — | ⚡ 7 mph | 0% | Mostly Clear |
| 11 PM | 44°F | 0 mph | — | ⚡ 8 mph | 1% | Mostly Clear |
| 12 AM | 44°F | 5 mph | SE | ⚡ 8 mph | 1% | Mostly Clear |
| 1 AM | 44°F | 5 mph | SE | ⚡ 9 mph | 1% | Clear |
| 2 AM | 46°F | 5 mph | SE | ⚡ 9 mph | 1% | Clear |
| 3 AM | 46°F | 5 mph | SE | ⚡ 10 mph | 1% | Mostly Clear |
| 4 AM | 47°F | 10 mph | SE | ⚡ 12 mph | 1% | Mostly Clear |
| 5 AM | 49°F | 10 mph | SE | ⚡ 13 mph | 2% | Mostly Clear |
| 6 AM | 50°F | 10 mph | SE | ⚡ 15 mph | 2% | Mostly Sunny |
| 7 AM | 51°F | 10 mph | SE | ⚡ 17 mph | 2% | Mostly Sunny |
| 8 AM | 53°F | 10 mph | SE | ⚡ 20 mph | 4% | Mostly Sunny |
| 9 AM | 57°F | 15 mph | SE | ⚡ 21 mph | 4% | Mostly 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.
Partly cloudy. Low around 39, with temperatures rising to around 42 overnight. Southwest wind around 5 mph.
Sunny, with a high near 59. Northwest wind 5 to 10 mph.
Sunny, with a high near 59. Northwest wind 5 to 10 mph.
Mostly clear. Low around 44, with temperatures rising to around 49 overnight. Northeast wind 0 to 10 mph.
Mostly sunny, with a high near 71. Southeast wind 10 to 15 mph.
Partly cloudy, with a low around 56. South wind 10 to 15 mph.
Mostly sunny, with a high near 69. South wind 5 to 10 mph.
Partly cloudy, with a low around 50.
A slight chance of rain showers after 2pm. Partly sunny, with a high near 70.
A chance of rain showers. Mostly cloudy, with a low around 47.
A chance of rain showers before 2pm. Mostly cloudy, with a high near 57.
Mostly cloudy, with a low around 41.
Mostly sunny, with a high near 56.
A slight chance of rain showers after 8pm. Mostly cloudy, with a low around 43.
Grand Lake currently reports 52°F with wind velocity near 8 mph from the W. 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 Grand 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 APX) high-resolution numerical point-forecast API. LakeRadar uses the official gridpoint for Grand 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 Grand Lake Water Level & Temperature page.
View Grand Lake Water Level & Temperature →