National Weather Service United States Department of Commerce

Open Lake Forecasts for Lake Ontario (Issued by WFO Buffalo, NY)


Clicking on the map below links to a text forecast that includes all zones, a synopsis and MAFOR


map showing marine forecast zones on the open waters of Lake Ontario

Great Lakes Marine Weather Portal - Includes point forecasts

Open Lake Forecast for Lake Ontario    (All Zones - Includes Synopsis and MAFOR)  

Experimental Modernized Open Lake Forecast for Lake Ontario

Nearshore Marine Forecasts

Great Lakes Water Level Data

Marine Weather for Canada

Great Lakes Open Lake forecasts are subdivided by zone, each identified by text description and a Universal Generic Code (UGC). The different colors used in the map above have no meaning and are only intended to assist in differentiating the zones.

These forecasts are also available via e-mail