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Great Lakes

Great Lakes

Official NOAA weather warnings, observations, and forecasts.

Explanation of the MAFOR code

* [Lake Superior](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/great_lakes/ls/lsz260.txt) (U.S. portion) (LSZ260) 
* [Lake Superior](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/great_lakes/ls/lsz261.txt) MAFOR (LSZ261) 
* [Lake Michigan](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/great_lakes/lm/lmz760.txt) open water (LMZ760) 
* [Lake Michigan](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/great_lakes/lm/lmz761.txt) MAFOR (LMZ761) 
* [Lake Huron](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/great_lakes/lh/lhz460.txt) (U.S. portion) (LHZ460) 
* [Lake Huron](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/great_lakes/lh/lhz461.txt) MAFOR (LHZ461) 
* [Lake St. Clair](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/great_lakes/lc/lcz460.txt) (U.S. portion) (LCZ460) 
* [Lake Erie](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/great_lakes/le/lez160.txt) (U.S. portion) (LEZ160) 
* [Lake Erie](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/great_lakes/le/lez161.txt) MAFOR (LEZ161) 
* [Lake Ontario](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/great_lakes/lo/loz060.txt) (U.S. portion) (LOZ060) 
* [Lake Ontario](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/great_lakes/lo/loz061.txt) MAFOR (LOZ061)   
  • ##### COASTAL MARINE ZONE FORECASTS

[ NWS marine ZONE forecast areas – within 5 nautical miles of shore ]

* **LAKE SUPERIOR, BAYS AND RIVERS**   
  * **Minnesota Shore Line**
    * [Grand Portage to Grand Marais, MN](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/ls/lsz140.txt) (LSZ140) 
    * [Grand Marais to Taconite Harbor, MN](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/ls/lsz141.txt) (LSZ141) 
    * [Taconite Harbor to Silver Bay Harbor, MN](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/ls/lsz142.txt) (LSZ142) 
    * [Silver Bay Harbor to Two Harbors, MN](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/ls/lsz143.txt) (LSZ143) 
    * [Two Harbors to Duluth, MN](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/ls/lsz144.txt) (LSZ144) 
  * **Wisconsin Shore Line**
    * [Duluth, MN to Port Wing, WI](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/ls/lsz145.txt) (LSZ145) 
    * [Port Wing to Sand Island, WI](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/ls/lsz146.txt) (LSZ146) 
    * [Sand Island to Bayfield, WI](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/ls/lsz147.txt) (LSZ147) 
    * [Chequamegon Bay-Bayfield to Oak Point, WI](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/ls/lsz121.txt) (LSZ121) 
    * [Oak Point to Saxon Harbor, WI](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/ls/lsz148.txt) (LSZ148) 
  * **Michigan Shore Line**
    * [Saxon Harbor, WI to Ontonagon, MI](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/ls/lsz241.txt) (LSZ241) 
    * [Ontonagon to Upper Entrance of Portage Canal, MI](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/ls/lsz242.txt) (LSZ242) 
    * [Upper Entrance of Portage Canal to Manitou Island, MI](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/ls/lsz243.txt) (LSZ243) 
    * [Manitou Island to Lower Entrance Light to Portage Lake, MI](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/ls/lsz244.txt) (LSZ244) 
    * [Keweenaw Bay and Huron Bay](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/ls/lsz221.txt) from Lower Entrance Light to Portage Lake to Huron Island, MI (LSZ221) 
    * [Huron Islands to Marquette, MI](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/ls/lsz245.txt) (LSZ245) 
    * [Marquette to Grand Marais, MI](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/ls/lsz246.txt) (LSZ246) 
    * [Grand Marais to Whitefish Point, MI](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/ls/lsz247.txt) (LSZ247) 
    * [Whitefish Bay](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/ls/lsz321.txt) (U.S. portion), Whitefish Point to Point Iroquois, MI (LSZ321) 
    * [St. Marys River, Point Iroquois](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/ls/lsz322.txt) to Eastern Potagannissing Bay (LSZ232) 


* **LAKE MICHIGAN AND BAYS  **
  * **Michigan Shore Line**
    * [Bay of Green Bay, MI](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/lm/lmz221.txt) (north of line from Cedar River, MI to Rock Island Passage) (LMZ221) 
    * [Seul Choix Pt. to Point Detour, MI](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/lm/lmz248.txt) (LMZ248) 
    * [Mackinac Bridge to Seul Choix Point, MI](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/lm/lmz341.txt) (LMZ341) 
    * [Mackinac Bridge to Norwood, MI](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/lm/lmz342.txt) (LMZ342) 
    * [Grand Traverse Light to Sleeping Bear Point, MI](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/lm/lmz344.txt) (LMZ344) 
    * [Sleeping Bear Point to Manistee, MI](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/lm/lmz345.txt) (LMZ345) 
    * [Muskegon to Manistee, MI](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/lm/lmz849.txt) (LMZ849) 
    * [South Haven to Muskegon, MI](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/lm/lmz848.txt) (LMZ848) 
    * [New Buffalo, MI to South Haven, MI](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/lm/lmz847.txt) (LMZ847) 
    * [Michigan City, IN to New Buffalo, MI](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/lm/lmz746.txt) (LMZ746) 
    * [Grand Traverse Bay](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/lm/lmz323.txt) Norwood to Grand Traverse Light, MI (LMZ323) 
  * **Wisconsin Shore Line**
    * [Rock Island Passage Sturgeon Bay, WI](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/lm/lmz541.txt) (LMZ541) 
    * [Sturgeon Bay, WI to Two Rivers, WI](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/lm/lmz542.txt) (LMZ542) 
    * [Two Rivers to Sheboygan, WI](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/lm/lmz543.txt) (LMZ543) 
    * [Sheboygan to Port Washington, WI](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/lm/lmz643.txt) (LMZ643) 
    * [Port Washington to North Point Light, WI](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/lm/lmz644.txt) (LMZ644) 
    * [North Point Light to Wind Point, WI](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/lm/lmz645.txt) (LMZ645) 
    * [Bay of Green Bay, WI](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/lm/lmz521.txt) (south of line from Cedar River to Rock Island Passage & north of a line from Marinette, WI to Fish Creek, WI) (LMZ521) 
    * [Bay of Green Bay, WI](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/lm/lmz522.txt) (south of a line from Marinette, WI to Fish Creek, WI) (LMZ522) 
    * [Wind Point Light to Winthrop Harbor, IL](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/lm/lmz646.txt) (LMZ646) 
  * **Illinois Shore Line**
    * [Winthrop Harbor to Wilmette Harbor, IL](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/lm/lmz740.txt) (LMZ740) 
    * [Wilmette Harbor to Meigs Field, IL](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/lm/lmz741.txt) (LMZ741) 
    * [Meigs Field to Calumet Harbor, IL](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/lm/lmz742.txt) (LMZ742) 
  * **Indiana Shore Line**
    * [Calumet Harbor to Gary Harbor, IN](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/lm/lmz743.txt) (LMZ743) 
    * [Gary to Burns Harbor, IN](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/lm/lmz744.txt) (LMZ744) 
    * [Burns Harbor to Michigan City, IN](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/lm/lmz745.txt) (LMZ745) 


* **LAKE HURON, BAYS AND LAKES  **
  * **Michigan Shore Line**
    * [Mackinac Bridge to False Detour Channel, MI](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/lh/lhz346.txt) (LHZ346) 
    * [Mackinac Bridge to Presque Island Light, MI](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/lh/lhz347.txt) (LHZ347) 
    * [Presque Isle Light to Alabaster, MI](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/lh/lhz348.txt) (LHZ348) 
    * [Port Austin to White Rock, MI](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/lh/lhz441.txt) (LHZ441) 
    * [White Rock to Lakeport, MI](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/lh/lhz442.txt) (LHZ442) 
    * [Lakeport to Port Huron, MI](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/lh/lhz443.txt) (LHZ443) 
    * [Saginaw Bay, Alabaster to Point Huron, MI](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/lh/lhz421.txt) (LHZ421) 
    * [St. Claire River, Port Huron to Upper Entrance Lake St. Clair](http://www.saltwatersportsman.com/saltwater/weathertides/zone/gtlakes/lakeswarn422.htm) (LCZ422) 
    * [Lake St. Clair, MI](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/great_lakes/lc/lcz460.txt) (U.S. Portion) (LCZ460) 


* **LAKE ERIE AND BAYS  **
  * **Michigan Shore Line**
    * [Detroit River, Lower Entrance to Lake St. Clair to Detroit River Light](http://www.saltwatersportsman.com/saltwater/weathertides/zone/gtlakes/lakeswarn423.htm) (LCZ423) 
    * [Detroit River to North Cape, MI](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/le/lez444.txt) (LEZ444) 
  * **Ohio Shore Line**
    * [Maumee Bay to Reno Beach, OH](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/le/lez142.txt) (LEZ142) 
    * [Reno Beach to The Islands, OH](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/le/lez143.txt) (LEZ143) 
    * [The Islands to Vermilion, OH](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/le/lez144.txt) (LEZ144) 
    * [Vermilion to Avon Point, OH](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/le/lez145.txt) (LEZ145) 
    * [Avon Point to Willowick, OH](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/le/lez146.txt) (LEZ146) 
    * [Willowick to Geneva-on-the-Lake, OH](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/le/lez147.txt) (LEZ147) 
    * [Geneva-on-the-Lake to Conneaut, OH](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/le/lez148.txt) (LEZ148) 
  * **Pennsylvania Shore Line**
    * [Conneaut, OH to Ripley, NY](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/le/lez149.txt) (LEZ149) 
  * **New York Shore Line**
    * [Ripley to Dunkirk, NY](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/le/lez040.txt) (LEZ040) 
    * [Dunkirk to Bullalo, NY](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/le/lez041.txt) (LEZ041) 
    * [Buffalo Harbor and the Upper Niagara River, NY](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/le/lez020.txt) (LEZ020) 


* **LAKE ONTARIO AND RIVERS  **
  * **New York Shore Line**
    * [Niagara River to Thirty-Mile Point, NY](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/lo/loz042.txt) (LOZ042) 
    * [Thirty-Mile Point to Sodus Bay, NY](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/lo/loz043.txt) (LOZ043) 
    * [Sodus Bay to Mexico Bay, NY](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/lo/loz044.txt) (LOZ044) 
    * [Mexico Bay, NY to the St. Lawrence River](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/near_shore/lo/loz045.txt) (LOZ045) 
    * [St. Lawrence River above Ogdensburg, NY](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/great_lakes/sl/slz022.txt) (SLZ022) 
    * [St. Lawrence River from Ogdensburg to St. Regis, NY](http://weather.noaa.gov/cgi-bin/fmtbltn.pl?file=forecasts/marine/great_lakes/sl/slz024.txt) (SLZ024)
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