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Lake Michigan

  • Bay of Green Bay North of line from Cedar River MI to Rock Island Passage
  • Seul Choix Point to Point Detour MI
  • Lake Michigan, from Seul Choix Point to Rock Island Passage
  • Grand Traverse Bay, Norwood to Grand Traverse Light MI
  • Seul Choix Point MI to 5 nm West of the Mackinac Bridge
  • Norwood MI to 5 nm West of the Mackinac Bridge
  • Grand Traverse Light to Sleeping Bear Point MI
  • Sleeping Bear Point to Manistee MI
  • Lake Michigan 5 nm West of the Mackinac Bridge to Manistee, MI Northwestward beyond 5 nm off shore to mid-line of lake.
  • Bay of Green Bay south of line from Cedar River to Rock Island Passage
  • Bay of Green Bay south of line from Marinette WI to Fish Creek WI
  • Rock Island Passage to Sturgeon Bay WI...excluding the Bay of Green Bay
  • Sturgeon Bay WI to Two Rivers WI...excluding the Bay of Green Bay
  • Two Rivers to Sheboygan WI
  • Lake Michigan, Rock Island Passage to Sheboygan WI eastward beyond 5 nm
  • Sheboygan to Port Washington WI
  • Port Washington to North Point Light WI
  • North Point Light to Wind Point WI
  • Wind Point Light WI to Winthrop Harbor IL
  • Lake Michigan, Sheboygan WI to Winthrop Harbor IL eastward beyond 5 nm
  • Winthrop Harbor to Wilmette Harbor IL
  • Wilmette Harbor to Meigs Field IL
  • Meigs Field to Calumet Harbor IL
  • Calumet Harbor IL to Gary IN
  • Gary to Burns Harbor IN
  • Burns Harbor to Michigan City IN
  • Michigan City IN to New Buffalo MI
  • Lake Michigan, Winthrop Harbor IL eastward to the mid-point of the Lake
  • New Buffalo to Saint Joseph, MI
  • Saint Joseph to South Haven, MI
  • South Haven to Holland, MI
  • Holland to Grand Haven, MI
  • New Buffalo MI to South Haven MI
  • Whitehall to Pentwater, MI
  • Pentwater to Manistee, MI
  • Lake Michigan, New Buffalo MI to Holland, MI 5 nm offshore to mid-line of lake
  • Lake Michigan, Holland to Whitehall MI 5 nm offshore
  • Lake Michigan, Whitehall to Manistee, MI 5 nm offshore to mid-line of lake

    Lake St. Clair and Detroit River

  • St. Clair River
  • Detroit River
  • Lake St. Clair (U.S. Portion)

    Lake Erie

  • Buffalo Harbor and the Upper Niagara River
  • Ripley to Dunkirk NY
  • Dunkirk to Buffalo NY
  • Lake Erie, Ripley to Buffalo NY extending from 5 nm offshore
  • Maumee Bay to Reno Beach OH
  • Reno Beach to The Islands OH
  • The Islands to Vermilion OH
  • Vermilion to Avon Point OH
  • Avon Point to Willowick OH
  • Willowick to Geneva-on-the Lake OH
  • Geneva-on-the-Lake to Conneaut OH
  • Conneaut OH to Ripley NY
  • Lake Erie, Detroit River Lt. to Maumee Bay OH to Reno Beach OH beyond 5 nm offshore
  • Lake Erie, Reno Beach to The Islands OH beyond 5 nm off shoreline
  • Lake Erie, The Islands to Vermilion OH beyond 5 nm off shoreline
  • Lake Erie, Vermilion to Avon Point OH beyond 5 nm off shoreline
  • Lake Erie, Avon Point to Willowick OH beyond 5 nm off shoreline
  • Lake Erie, Willowick to Geneva-on-the-Lake OH beyond 5 nm off shoreline
  • Lake Erie, Geneva-on-the-Lake to Conneaut OH beyond 5 nm off shoreline
  • Lake Erie, Conneaut OH to Ripley NY beyond 5 nm off shoreline
  • Michigan waters of Lake Erie from Detroit River to North Cape, MI

    Lake Huron

  • Straights of Mackinac within 5nm of Mackinac Bridge including Mackinac Island
  • St. Ignace to False Detour Channel
  • 5 nm east of Mackinac Bridge to Presque Isle Light MI, including Bois Blanc Island
  • Presque Isle Light to Sturgeon Point including Thunder Bay Marine Sancuary
  • Sturgeon Point to Alabaster MI
  • Lake Huron 5nm east of Mackinac Bridge to Presque Isle Lt MI eastward beyond 5 nm offshore to U.S.-Canadian border
  • Lake Huron, Presque Isle Lt. to Alabaster MI eastward beyond 5 nm offshore
  • Outer Saginaw Bay southwest of Alabaster to Port Austin MI to inner Saginaw Bay
  • Inner Saginaw Bay southwest of point Au Gres to Bay Port, MI
  • Port Austin to Harbor Beach MI
  • Harbor Beach to Port Sanilac MI
  • Port Sanilac to Port Huron, MI
  • Lake Huron, Port Austin to Harbor Beach MI 5 nm off shore to US/Canadian border
  • Lake Huron, Harbor Beach to Port Sanilac 5 nm to US/Canadian border
  • Lake Huron, Port Sanilac to Port Huron MI 5 nm offshore to US/Canadian border

    Canadian portions of the Great Lakes

  • Canadian portions of the Great Lakes
  • Ice hazard bulletin for the Great Lakes
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