St. Marys River at S.W. Pier
The St. Marys River at S.W. Pier read 183.482 m above IGLD 1985 at .
That is within the normal range for the date.
- Up 0.15 m in 24 hours.
- Up 0.179 m in 7 days.
Long views: the past year, the past decade and the whole record
Normal range and official levels
The normal range for 5 October is 183.17 m to 183.60 m: the 10th to 90th percentile of the daily averages from 28 September to 12 October in 114 years between 1909 and 2025.
Records
- Highest daily average in our series since 1 January 1909: 183.909 m on 16 October 1973.
- Lowest daily average in our series since 1 January 1909: 182.487 m on 1 March 2007.
About this gauge
S.W. Pier is a gauge on the St. Marys River in Michigan, United States.
It lies at 46.5011° N, 84.3726° W.
Its readings come from NOAA's Center for Operational Oceanographic Products and Services (CO-OPS).
Heights are given above IGLD 1985, the datum the source names (IGLD 1985).
The newest reading is provisional: the source may still correct it.