An intense and rapidly deepening storm system moving through the Upper Great Lakes produced high-end storm force northwest winds across much of Lake Superior from the 23rd into the 25th. A hurricane force gust of 79 mph was even recorded at Stannard Rock on the morning of the 24th.

Marine High Wind in HURON ISLANDS TO MARQUETTE MI, LAKE SUPERIOR
From 23-DEC-22 05:30:00 to 25-DEC-22 08:30:00 (EST-5)
Location: GRANITE ISLAND LIGHT
Magnitude: 64.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The Granite Island Light station measured storm force northwest wind gusts throughout the period with a hurricane-force peak gust of 74 mph at 710 am on the 24th.

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 23-DEC-22 14:30:00 to 25-DEC-22 03:00:00 (EST-5)
Location: PASSAGE ISLAND LIGHT
Magnitude: 60.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: RAWS

Storm force north to northwest winds were recorded throughout the period at the Ojibway RAWS site with a peak gust of 69 mph on the morning of the 24th.

Marine High Wind in EAGLE RIVER TO MANITOU ISLAND MI, LAKE SUPERIOR
From 23-DEC-22 13:00:00 to 25-DEC-22 01:00:00 (EST-5)
Location: COPPER HARBOR
Magnitude: 62.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The Copper Harbor ASOS measured storm force north winds throughout much of the period with a peak gust to 71 mph on the morning of the 24th.

Marine High Wind in MARQUETTE TO MUNISING MI, LAKE SUPERIOR
From 23-DEC-22 22:30:00 to 24-DEC-22 13:00:00 (EST-5)
Location: MUNISING
Magnitude: 55.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The Munising ASOS recorded storm force northwest winds throughout the period with a peak gust of 63 mph on the morning of the 24th.

Marine High Wind in MUNISING TO GRAND MARAIS MI, LAKE SUPERIOR
From 23-DEC-22 22:30:00 to 24-DEC-22 13:00:00 (EST-5)
Location: GRAND ISLAND HARBOR LIGHT
Magnitude: 55.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The Munising ASOS recorded storm force northwest winds throughout the period with a peak gust of 63 mph on the morning of the 24th.

Marine High Wind in MUNISING TO GRAND MARAIS MI, LAKE SUPERIOR
From 24-DEC-22 04:00:00 to 24-DEC-22 18:00:00 (EST-5)
Location: GRAND MARAIS LIGHT
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The Grand Marais GLOS recorded storm force northwest winds throughout the period with a peak gust of 62 mph.

Marine High Wind in GRAND MARAIS TO WHITEFISH POINT MI, LAKE SUPERIOR
From 24-DEC-22 04:00:00 to 24-DEC-22 18:00:00 (EST-5)
Location: GRAND MARAIS LIGHT
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The Grand Marais GLOS recorded storm force northwest winds throughout the period with a peak gust of 62 mph.

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 23-DEC-22 05:00:00 to 25-DEC-22 10:00:00 (EST-5)
Location: STANNARD ROCK LIGHT
Magnitude: 69.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: C-MAN Station

The Stannard Rock C-MAN station recorded storm force northwest winds throughout much of the period and measured a peak hurricane strength gust of 79 mph at 1111 am on the 24th.

Marine High Wind in UPPER ENTRANCE OF PORTAGE CANAL TO MANITOU ISLAND MI 5NM OFFSHORE TO US/CANADIAN BORDER, LAKE SUPERIOR
From 23-DEC-22 17:00:00 to 25-DEC-22 05:00:00 (EST-5)
Location: PASSAGE ISLAND LIGHT
Magnitude: 62.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: C-MAN Station

The Passage Island Light C-MAN station recorded peak northwest storm force winds throughout the period with a peak gust of 71 mph on the morning of the 24th.

Marine High Wind in MANITOU ISLAND TO MARQUETTE MI BEYOND 5NM FROM SHORE, LAKE SUPERIOR
From 23-DEC-22 05:30:00 to 25-DEC-22 08:30:00 (EST-5)
Location: MARQUETTE
Magnitude: 64.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The Granite Island Light station measured storm force northwest wind gusts throughout the period with a hurricane-force peak gust of 74 mph at 710 am on the 24th.