Marine Weather Statement for Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI; St. Marys River Point Iroquois to E. Potagannissing Bay
Official alert fields
What you need to know
- Applies to
- St. Marys River Point Iroquois to E. Potagannissing Bay, Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI
- Effective
- Ended
- Official severity
- Minor
- Official urgency
- Expected
- Official certainty
- Observed
What is happening
Water level gauges on the St. Mary's River continued to indicate rapidly changing water levels. Several cycles of water level falls and rises are likely between 8 PM and 12AM tonight. After a recent rise, another significant drop in water levels of up to 3 to 4 feet can be expected between 8 PM and 930 PM on upper...
What the bulletin says to do
No separate action instruction was included in this NWS record. Read the complete official bulletin and follow local authorities.
Full official description
Bulletin details
Water level gauges on the St. Mary's River continued to indicate rapidly changing water levels. Several cycles of water level falls and rises are likely between 8 PM and 12AM tonight. After a recent rise, another significant drop in water levels of up to 3 to 4 feet can be expected between 8 PM and 930 PM on upper portions of the river from Point Iroquois to the locks at Sault Ste. Marie. Another rise in water levels is likely after this drop. 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.
Lifecycle record
Official revisions
- Alert
Marine Weather Statement issued July 20 at 8:08PM EDT by NWS Gaylord MI
Official revision
Source and limitations
Publisher: Weather Alert Watch. Primary source: NWS Gaylord MI. This page reorganizes official fields and does not add a forecast or expand the affected area.
- CAP status
- Actual
- Message type
- Alert
- Last collected