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Open Lake Marine Zone Forecasts by the Marquette, MI Forecast Office - click on the area of interest

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

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

Experimental Modernized Open Lake Forecast for Lake Superior

Nearshore Marine Forecasts

Great Lakes Marine Weather Portal - Includes point 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

NOTICE - Check time and date of forecasts. Linked data may not represent the latest forecast. The Internet is not part of the National Weather Service's operational data stream and should never be relied upon as a means to obtain the latest forecast and warning data. Become familiar with and use other means such as NOAA Weather Radio to obtain the latest forecasts and warnings. Please read our DISCLAIMER

Visit the Marquette, MI Forecast Office which provides links to additional products as well as regionally focused information such as point-specific marine forecasts, predicted tides and buoy observations.

Text Interface Version of this page.LSZ162 Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5 NM LSZ263 Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5 NM offshore
  to the U.S./Canadian border including Isle Royal National Park LSZ264 Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5 NM offshore to the U.S./Canadian border LSZ265 Lake Superior west of a line from Manitou Island to Marquette MI beyond 5 NM from
  shore LSZ266 Lake Superior east of a line from Manitou Island to Marquette MI and west of a line from
  Grand Marais MI to the U.S./Canadian border beyond 5 NM from shore LSZ267 Lake Superior from Grand Marais MI to Whitefish Point MI 5 NM offshore to the
  U.S./Canadian border LSZ162 Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5 NM LSZ263 Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5 NM offshore
  to the U.S./Canadian border including Isle Royal National Park LSZ264 Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5 NM offshore to the U.S./Canadian border LSZ265 Lake Superior west of a line from Manitou Island to Marquette MI beyond 5 NM from
  shore LSZ266 Lake Superior east of a line from Manitou Island to Marquette MI and west of a line from
  Grand Marais MI to the U.S./Canadian border beyond 5 NM from shore LSZ267 Lake Superior from Grand Marais MI to Whitefish Point MI 5 NM offshore to the
  U.S./Canadian border