KEEWAYDIN POINT FLOATING BREAKWATER - ALEXANDRIA BAY, NEW YORK 



Breakwater Type: Goodyear FTB 



Operational Life: The breakwater was constructed in 1979 and is still in 

 operation. 



Contact: Laurence Geoghegan 



1000 Islands State Park Commission 

 Keewaydin State Park 

 Alexandria Bay, NY 13607 



Builder: James Becker 



1000 Islands State Park Commission 

 Keewaydin State Park 

 Alexandria Bay, NY 13607 



Operator: Same as builder 



Site Details 



Water and Bottom Conditions: The structure is located in freshwater above a 

 gently sloping bottom composed of bedrock. Depth at mean low water is 

 5.5 m (18.0 ft). The seasonal water depth range is 0.8 m (2.5 ft). 



Exposure: The site is exposed from the north with a fetch of 0.4 km (0.2 nmi) . 



Typical Storm Conditions: During a typical storm, prevailing winds are from 

 the northwest with speeds around 40 km/hr (22 kn) . Storm waves are 

 0.9 m (3.0 ft) in height. Generally, such storms occur six or more times 

 per year. 



Worst Storm Conditions: During a worst storm on an average year, winds will 

 be from the northeast and will reach 80 km/hr (43 kn) . Seas will be 

 1.2 m (4.0 ft) high. 



Currents and Ship Waves: The maximum current speed at the site is 16.1 km/hr 

 (8.7 kn) . Waves generated by ships and boats traversing the St. Lawrence 

 River represent a frequent and potentially damaging problem to the site. 

 Such waves are typically 0.6 m (2.0 ft) high. 



Ice: Both stationary and flowing ice causes damage to the facility in the 

 winter. 



Breakwater Details 



Purpose: This breakwater protects a marina located in Alexandria Bay, New 

 York. This facility is operated from the spring through the fall. The 

 breakwater is in operation year round and is the singular means of wave 



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