Michigan-Huron water levels dropped slightly this week but are still 19 inches higher than this time last year and 19 inches above Chart Datum. Michigan-Huron continues to lag the other Great Lakes on water levels based on long term average. They are now at their long term average. Levels in Michigan-Huron are predicted to fall two inches over the next 30 days. GBA will continue to press for action as the time for any alterations in connecting channels is when there is a surplus of water in the system and less concern from downstream interests. more... See more text