LITTLE BAY FLOATING BREAKWATER - NEWINGTON, NEW HAMPSHIRE 



Breakwater Type: Goodyear FTB 



Operational Life: The breakwater was constructed in 1975 and is still in 

 operation. 



Contact: John Poole 



10 Cote Drive 

 Dover, NH 

 (603) 749-1631 



Builder: J. Paul Griffin 



Great Bay Marina, Inc. 

 Fox Point Road 

 Newington, NH 03801 

 (603) 436-5299 



Operator: Same as contact 



Site Details 



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



gently sloping bottom composed of mud and silt. Depth at mean low water 

 is 2.4 m (8.0 ft). The tidal range is 2.9 m (9.5 ft). 



Exposure: The site is exposed from the northwest with a fetch of 1.2 km 

 (0.6 nmi) . 



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

 the northwest with speeds between 55 km/hr (30 kn) and 90 km/hr 

 (49 kn) . Storm waves are between 0.6 m (2.0 ft) and 0.9 m (3.0 ft) in 

 height. On the average, such storms occur 10 times per year. 



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

 from the northwest with speeds of 120 km/hr (65 kn) . Seas will be from 

 0.9 m (3.0 ft) to 1.2 m (4.0 ft) high. 



Currents and Ship Waves: The maximum current speed at the site is 9.7 km/hr 

 (5.2 kn) . Waves generated by passing boats represent an occasional 

 problem to the site. Such waves are between 0.3 m (1.0 ft) and 0.6 m 

 (2.0 ft) high. 



Ice: Flowing ice causes damage to the facility in the winter. 



Breakwater Details 



Purpose: This breakwater protects a marina and boatyard located in Newington, 

 New Hampshire. Originally, the FTB was specifically intended to extend 



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