Photos: Winds whip up 20-foot waves on Lake Superior


Waves pound the shoreline at Tettegouche State Park.
1 Waves pound the shoreline at Tettegouche State Park Wednesday as a strong fall storm affects northern Minnesota. 
Waves pound the shoreline at Split Rock State Park
2 Waves pound the shoreline at Split Rock State Park. 
Waves pound the shoreline.
3 Waves pound the shoreline between Split Rock State Park and Tettegouche State Park. 
Waves pound the shoreline at Split Rock State Park
4 Wind gusts as high as 86 mph were measured near Castle Danger, Minn., according to the National Weather Service Duluth office. Hurricane force winds start at 74 mph. 
Waves pound the shoreline at Tettegouche State Park
5 Waves pound the shoreline at Tettegouche State Park. 
Waves crest just offshore from Split Rock State Park.
6 Waves crest just offshore from Split Rock State Park. 
Debris litters the ground in Canal Park.
7 Debris litters the ground in Canal Park Wednesday. 
Waves crest just a few feet below the Aerial Lift Bridge.
8 Waves crest just a few feet below the Aerial Lift Bridge on Wednesday. 
Waves pound the shoreline in Canal Park.
9 Waves pound the shoreline in Canal Park Wednesday. 
Waves pound the shoreline at Split Rock State Park.
10 Waves pound the shoreline at Split Rock State Park as a strong fall storm affects northern Minnesota. 
Waves pound the shoreline at Tettegouche State Park.
11 Waves pound the shoreline at Tettegouche State Park. 
Waves pound the shoreline in Canal Park.
12 Waves pound the shoreline in Canal Park. 
Waves crest just offshore from Split Rock State Park.
13 Waves crest just offshore from Split Rock State Park. 
Waves pound the shoreline at Split Rock State Park.
14 Waves pound the shoreline at Split Rock State Park. 
Waves pound the shoreline at Split Rock State Park.
15 Waves pound the shoreline at Split Rock State Park. 
Waves pound the shoreline at Split Rock State Park.
16 Waves pound the shoreline at Split Rock State Park. 
Waves, wind and water strike a tree along the shoreline.
17 Waves, wind and water strike a tree along the shoreline at Tettegouche State Park. 
Waves crest just offshore from Split Rock State Park.
18 Waves crest just offshore from Split Rock State Park.