Caution: These color coded Watch, Warning and Advisory maps
are generated by an experimental process.
They may not always reflect current conditions on the Lakes.
Only the color coding is experimental, clicking on United States
locations on the images will bring you to the official
forecast product for the location clicked. This color mapping
routine will be replaced by the official color coded map generating
process at a future date, as resources permit.
Clicking on Canadian locations will bring you to the official forecast
from the Meteorological Service of Canada.
Small Craft Advisory
Dense Fog Advisory
Hazardous Weather Outlook
Gale Watch
Marine Weather Statement
Special Marine Warning
Severe Thunderstorm Watch
