Great Lakes Marine Zones

Listed below are the National Weather Service marine forecast zones (by names and codes) for Great Lakes. Select a forecast zone to see the RSS feed.

RSS Feed Listing

St. Clair River LCZ422 Atom
Detroit River LCZ423 Atom
Lake St. Clair Open Lake (U.S. Portion) LCZ460 Atom
Upper Niagara River and Buffalo Harbor LEZ020 Atom
Ripley to Dunkirk NY LEZ040 Atom
Dunkirk to Buffalo NY LEZ041 Atom
Ripley to Buffalo NY extending from 5NM off shoreline to US-Canadian border LEZ061 Atom
Maumee Bay to Reno Beach OH LEZ142 Atom
Reno Beach to The Islands OH LEZ143 Atom
The Islands to Vermilion OH LEZ144 Atom
Vermilion to Avon Point OH LEZ145 Atom
Avon Point to Willowick OH LEZ146 Atom
Willowick to Geneva-on-the Lake OH LEZ147 Atom
Geneva-on-the-Lake to Conneaut OH LEZ148 Atom
Conneaut OH to Ripley NY LEZ149 Atom
Detroit River Lt. to Maumee Bay OH to Reno Beach OH beyond 5NM offshoreline to US-Canadian border LEZ162 Atom
Reno Beach to The Islands OH beyond 5NM off shoreline to US-Canadian border LEZ163 Atom
The Islands to Vermilion OH beyond 5 nm off shoreline to US-Canadian border LEZ164 Atom
Vermilion to Avon Point OH beyond 5 nm off shoreline to US-Canadian border LEZ165 Atom
Avon Point to Willowick OH beyond 5 nm off shoreline to US-Canadian border LEZ166 Atom
Willowick to Geneva-on-the-Lake OH beyond 5NM off shoreline to US-Canadian border LEZ167 Atom
Geneva-on-the-Lake to Conneaut OH beyond 5 nm off shoreline to US-Canadian border LEZ168 Atom
Conneaut OH to Ripley NY beyond 5 nm off shoreline to US-Canadian border LEZ169 Atom
Michigan Waters of Lake Erie from Detroit River to North Cape MI LEZ444 Atom
Straits of Mackinac within 5 nm of Mackinac Bridge including Mackinac Island LHZ345 Atom
St Ignace to False Detour Channel 1 LHZ346 Atom
5NM East of Mackinac Bridge to Presque Isle Light MI including Bois Blanc Island 1 LHZ347 Atom
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay National Marine Sanctuary 1 LHZ348 Atom
Sturgeon Pt to Alabaster MI 1 LHZ349 Atom
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt to the US/Canadian border beyond 5 NM from shore LHZ361 Atom
Lake Huron from Presque Isle Lt. to Sturgeon Point MI 5NM off shore to US/Canadian border LHZ362 Atom
Lake Huron from Sturgeon Point to Alabaster MI 5NM off shore to US/Canadian border LHZ363 Atom
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay LHZ421 Atom
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI LHZ422 Atom
Port Austin to Harbor Beach MI LHZ441 Atom
Harbor Beach to Port Sanilac MI LHZ442 Atom
Port Sanilac to Port Huron MI LHZ443 Atom
Lake Huron from Port Austin to Harbor Beach 5NM Off Shore to the US/Canadian border LHZ462 Atom
Lake Huron from Harbor Beach to Port Sanilac 5NM Off Shore to US/Canadian border LHZ463 Atom
Lake Huron from Port Sanilac to Port Huron 5NM Off Shore to US/Canadian border LHZ464 Atom
New Buffalo MI to St Joseph MI 1 LMZ043 Atom
Michigan City IN to New Buffalo MI 1 LMZ046 Atom
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to mid-line of lake. LMZ080 Atom
Green Bay North of line from Cedar River MI to Rock Island Passage LMZ221 Atom
Seul Choix Point to Point Detour MI 1 LMZ248 Atom
5NM East of a line from Fairport MI to Rock Island Passage 1 LMZ250 Atom
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM offshore to Mid Lake LMZ261 Atom
Grand Traverse Bay south of a line Grand Traverse Light to Norwood MI 1 LMZ323 Atom
Seul Choix Point to 5NM West of Mackinac Bridge 1 LMZ341 Atom
Norwood MI to 5NM West of Mackinac Bridge including Little Traverse Bay 1 LMZ342 Atom
Sleeping Bear Point to Grand Traverse Light MI 1 LMZ344 Atom
Point Betsie to Sleeping Bear Point MI 1 LMZ345 Atom
Manistee to Point Betsie MI 1 LMZ346 Atom
Lake Michigan South of a line from Seul Choix Point to the Mackinac Bridge and North of a line from Charlevoix MI to South Fox Island 5NM offshore LMZ362 Atom
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to mid lake LMZ364 Atom
Lake Michigan from Point Betsie to Manistee MI 5NM offshore to Mid Lake LMZ366 Atom
Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI LMZ521 Atom
Green Bay south of line from Oconto WI to Little Sturgeon Bay WI LMZ522 Atom
Rock Island Passage to Sturgeon Bay WI 1 LMZ541 Atom
Sturgeon Bay to Two Rivers WI 1 LMZ542 Atom
Two Rivers to Sheboygan WI 1 LMZ543 Atom
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM offshore to mid lake LMZ563 Atom
Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to Mid Lake LMZ565 Atom
Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid Lake LMZ567 Atom
Sheboygan to Port Washington WI 1 LMZ643 Atom
Port Washington to North Point Light WI 1 LMZ644 Atom
North Point Light to Wind Point WI 1 LMZ645 Atom
Wind Point WI to Winthrop Harbor IL 1 LMZ646 Atom
Lake Michigan from Sheboygan to Port Washington WI 5NM offshore to Mid Lake LMZ669 Atom
Lake Michigan from Port Washington to North Point Light WI 5NM offshore to Mid Lake LMZ671 Atom
Lake Michigan from North Point Light to Wind Point WI 5NM offshore to Mid Lake LMZ673 Atom
Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM offshore to Mid Lake LMZ675 Atom
Winthrop Harbor to Wilmette Harbor IL 1 LMZ740 Atom
Wilmette Harbor to Northerly Island IL 1 LMZ741 Atom
Northerly Island to Calumet Harbor IL 1 LMZ742 Atom
Calumet Harbor IL to Gary IN 1 LMZ743 Atom
Gary to Burns Harbor IN 1 LMZ744 Atom
Burns Harbor to Michigan City IN 1 LMZ745 Atom
Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM offshore to Mid Lake LMZ777 Atom
Lake Michigan from Wilmette Harbor to Michigan City in 5NM offshore to Mid Lake LMZ779 Atom
St Joseph to South Haven MI LMZ844 Atom
South Haven to Holland MI LMZ845 Atom
Holland to Grand Haven MI 1 LMZ846 Atom
Grand Haven to Whitehall MI 1 LMZ847 Atom
Whitehall to Pentwater MI 1 LMZ848 Atom
Pentwater to Manistee MI 1 LMZ849 Atom
Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid Lake LMZ868 Atom
Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid Lake LMZ870 Atom
Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to Mid Lake LMZ872 Atom
Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid Lake LMZ874 Atom
Lake Michigan from South Haven to Holland MI 5NM offshore to Mid lake LMZ876 Atom
Lake Michigan from St Joseph to South Haven MI 5NM offshore to Mid Lake LMZ878 Atom
Lower Niagara River LOZ030 Atom
Niagara River to Hamlin Beach NY LOZ042 Atom
Hamlin Beach to Sodus Bay NY LOZ043 Atom
Sodus Bay to Mexico Bay NY LOZ044 Atom
Mexico Bay NY to the St. Lawrence River LOZ045 Atom
Niagara River to Hamlin Beach NY beyond 5NM off shoreline to US-Canadian border LOZ062 Atom
Hamlin Beach to Sodus Bay NY beyond 5NM off shoreline to US-Canadian border LOZ063 Atom
Sodus Bay to Mexico Bay NY beyond 5NM off shoreline to US-Canadian border LOZ064 Atom
Mexico Bay NY to the St. Lawrence River beyond 5NM off shoreline to US-Canadian border LOZ065 Atom
Chequamegon Bay-Bayfield to Oak Point WI 1 LSZ121 Atom
Grand Portage to Grand Marais MN 2 LSZ140 Atom
Grand Marais to Taconite Harbor MN 2 LSZ141 Atom
Taconite Harbor to Silver Bay Harbor MN 1 LSZ142 Atom
Silver Bay Harbor to Two Harbors MN 1 LSZ143 Atom
Two Harbors to Duluth MN LSZ144 Atom
Duluth MN to Port Wing WI LSZ145 Atom
Port Wing to Sand Island WI 1 LSZ146 Atom
Sand Island to Bayfield WI 1 LSZ147 Atom
Oak Point to Saxon Harbor WI 1 LSZ148 Atom
Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM 1 LSZ162 Atom
Saxon Harbor WI to Black River MI 1 LSZ240 Atom
Black River To Ontonagon MI 2 LSZ241 Atom
Ontonagon to Upper Entrance of Portage Canal MI 2 LSZ242 Atom
Upper Entrance of Portage Canal to Eagle River MI 2 LSZ243 Atom
Eagle River to Manitou Island MI 2 LSZ244 Atom
Manitou Island to Point Isabelle MI 1 LSZ245 Atom
Point Isabelle to Lower Entrance of Portage Canal MI 1 LSZ246 Atom
Portage Lake to Huron Island MI to Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays 1 LSZ247 Atom
Huron Islands to Marquette MI 1 LSZ248 Atom
Marquette to Munising MI 1 LSZ249 Atom
Munising to Grand Marais MI 1 LSZ250 Atom
Grand Marais to Whitefish Point MI 1 LSZ251 Atom
Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royal National Park 1 LSZ263 Atom
Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border 1 LSZ264 Atom
Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore 1 LSZ265 Atom
Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore 1 LSZ266 Atom
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border 1 LSZ267 Atom
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI 1 LSZ321 Atom
St. Marys River Point Iroquois to E. Potagannissing Bay LSZ322 Atom
St. Lawrence River above Ogdensburg NY SLZ022 Atom
St. Lawrence River from Ogdensburg to St. Regis NY SLZ024 Atom