A series of cold frontal passages in the wake of a low pressure system lifting northeast through the Great Lakes generated storm force west winds across much of Lake Superior from the evening of the 10th into the 12th.

Marine High Wind in SAXON HARBOR WI TO UPPER ENTRANCE OF PORTAGE CANAL MI 5NM OFFSHORE TO US/CANADIAN BORDER INC ISLE ROYAL NP, LAKE SUPERIOR
From 12-JAN-17 14:00:00 to 12-JAN-17 19:00:00 (EST-5)
Location: ROCK OF AGES LIGHT
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: C-MAN Station

The Rock of Ages observing station measured storm force west wind gusts through the period.

Marine High Wind in UPPER ENTRANCE OF PORTAGE CANAL TO MANITOU ISLAND MI 5NM OFFSHORE TO US/CANADIAN BORDER, LAKE SUPERIOR
From 12-JAN-17 15:30:00 to 12-JAN-17 20:30:00 (EST-5)
Location: PASSAGE ISLAND LIGHT
Magnitude: 58.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: C-MAN Station

The Passage Island Light observing station measured storm force west winds through the period.

Marine High Wind in MANITOU ISLAND TO MARQUETTE MI AND W OF GRAND MARAIS MI TO US/CANADIAN BORDER BEYOND 5NM OF SHORE, LAKE SUPERIOR
From 10-JAN-17 21:00:00 to 11-JAN-17 04:00:00 (EST-5)
Location: STANNARD ROCK LIGHT
Magnitude: 66.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: C-MAN Station

The Stannard Rock observing station measured storm force west winds through the period.

Marine High Wind in MANITOU ISLAND TO MARQUETTE MI AND W OF GRAND MARAIS MI TO US/CANADIAN BORDER BEYOND 5NM OF SHORE, LAKE SUPERIOR
From 12-JAN-17 17:00:00 to 12-JAN-17 23:00:00 (EST-5)
Location: STANNARD ROCK LIGHT
Magnitude: 67.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: C-MAN Station

The Stannard Rock Light observing station measured storm force west wind gusts through the period.

Marine High Wind in MANITOU ISLAND TO MARQUETTE MI BEYOND 5NM FROM SHORE, LAKE SUPERIOR
From 10-JAN-17 21:20:00 to 11-JAN-17 00:00:00 (EST-5)
Location: MARQUETTE
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The Granite Island Light observing station measured storm force west wind gusts through the period.

Marine High Wind in GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFFSHORE TO THE US/CANADIAN BORDER, LAKE SUPERIOR
From 10-JAN-17 22:20:00 to 11-JAN-17 02:10:00 (EST-5)
Location: GRAND MARAIS
Magnitude: 59.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The GLOS observing station at Grand Marais measured storm force west wind gusts through the period.

Marine High Wind in GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFFSHORE TO THE US/CANADIAN BORDER, LAKE SUPERIOR
From 12-JAN-17 19:40:00 to 12-JAN-17 21:20:00 (EST-5)
Location: GRAND MARAIS
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The GLOS observing station at Grand Marais measured storm force west wind gusts through the period.

Marine High Wind in UPPER ENTRANCE OF PORTAGE CANAL TO MANITOU ISLAND MI 5NM OFFSHORE TO US/CANADIAN BORDER, LAKE SUPERIOR
From 10-JAN-17 22:30:00 to 11-JAN-17 01:00:00 (EST-5)
Location: PASSAGE ISLAND LIGHT
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: C-MAN Station

The Passage Island observing station measured storm force west winds through the period.