Mac's Marina
A full-service marina on Whitmore Lake, Michigan, offering boat slips, storage, launch, and seasonal dockage north of Ann Arbor.
Gallery
Operator details
- Waters
- Whitmore Lake
- Activities
- Cruising
- Vessels
- Powerboat, Pontoon
Boater reviews
Rating from Google.
Around here
Around Mac's Marina
Boat launches8
Public land: USGS PAD-US
Typical flow by month
1952 to 2026
The water at Mac's Marina typically runs highest in March, at a median 325 cfs, and lowest in September, at 110 cfs. The highest flow on record for any single day is 1,560 cfs, in 1956.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 217 | 153 to 303 |
| February | 217 | 160 to 313 |
| March | 325 | 244 to 464 |
| April | 296 | 227 to 396 |
| May | 245 | 189 to 359 |
| June | 191 | 131 to 268 |
| July | 125 | 82 to 188 |
| August | 112 | 81 to 173 |
| September | 110 | 81 to 174 |
| October | 132 | 102 to 207 |
| November | 236 | 189 to 300 |
| December | 226 | 178 to 294 |
Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 75 years of record. Statistics published by the US Geological Survey for Huron River near Hamburg, MI (site 04172000). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Current conditions
Today · Fri
62Maybe/ 100
Wind 13 kt · Gusts to 23 kt
CloudyHigh 48°F, low 37°FRain 30%Wind 13 kt, gusts 23
Streamflow
149 cfs
Below normal (18th)
Water level
4.03 ft
Air quality
24 Good
Ann Arbor monitor, 11 km
National Weather ServiceBelow flood stage
Flood stage 7 ft. NWS reads 4.02 ft here.
NWS issues forecasts here only during high water.
Forecast from Open-Meteo global models (NOAA & ECMWF). Flood stages and forecasts: NOAA National Weather Service. Air quality: EPA Office of Atmospheric Protection via EPA AirNow. Preliminary data, not verified. See full conditions →
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