Marine Weather Statement for Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI; St. Marys River Point Iroquois to E. Potagannissing Bay

Full official description

Bulletin details

Water level gauges on the St. Mary's River are indicating rapidly changing water levels due to an approaching wake low pressure system. Water levels dropped over a foot at Point Iroquois between noon and 130PM, and in excess of 2 feet at SW Pier since 1pm. Several cycles of water level falls and rises are likely over the next several hours Largest changes in water levels...up to 3 to 4 feet or more...can be expected on upper portions of the river from Point Iroquois to the locks at Sault Ste. Marie. Water level changes up to one foot can be expected from below the Soo Locks to Munuscong Lake. Mariners should be aware of rapidly rising and falling water levels...particularly for operators above the Soo Locks. Be sure to monitor marine radio for information on this situation.