Forecast information for the Canadian portion of the Great Lakes is for informational purposes only and does not constitute an official forecast. Clicking on Canadian waters will eventually bring you to the official forecast from the Meteorological Service of Canada.
- May 20 - 11AM EDT
- May 20 - 2PM EDT
- May 20 - 5PM EDT
- May 20 - 8PM EDT
- May 20 - 11PM EDT
- May 21 - 2AM EDT
- May 21 - 5AM EDT
- May 21 - 8AM EDT
- May 21 - 11AM EDT
- May 21 - 2PM EDT
- May 21 - 5PM EDT
- May 21 - 8PM EDT
- May 21 - 11PM EDT
- May 22 - 2AM EDT
- May 22 - 5AM EDT
- May 22 - 8AM EDT
- May 22 - 11AM EDT
- May 22 - 2PM EDT
- May 22 - 5PM EDT
- May 22 - 8PM EDT
- May 22 - 11PM EDT
- May 23 - 2AM EDT
- May 23 - 5AM EDT
- May 23 - 8AM EDT
- May 23 - 11AM EDT
- May 23 - 2PM EDT
- May 23 - 5PM EDT
- May 23 - 8PM EDT
- May 24 - 2AM EDT
- May 24 - 8AM EDT
- May 24 - 2PM EDT
- May 24 - 8PM EDT
- May 25 - 2AM EDT
