Visual wave observations although not considered entirely accurate, 

 do give a fairly good measure of wave conditions off the coast. The 

 observed wave heights reported in the Northern New Jersey area (5) a,re 

 as follows: 



Location Observed Wave Height (feet) 



Manasquan Inlet, Coast Guard Station 4.0 



Shark River Coast Guard Station 4.0 



Monmouth Beach Coast Guard Station 35 



Sandy Hook Coast Guard Station 30 



The comparison of these observations with the hindcast heights of 25 

 to 36 feet appears to be quite reasonable, particularly when it is 

 realized that visual observations of high waves are often on the high 

 side. It should be noted that the hindcast values of wave height are 

 so-called significant heights. There was no way of ascertaining 

 whether the observed heights were also significant heights, or some 

 other value, the mean or maximam, for example. 



The class menbers whose hindcasts are discussed herein arej 

 Mr, Bert W. Allen of the London, Ontario, district office, Mr, 

 Manuel A, Fine of the Toronto, Ontario district office, Mr, Malconb 

 W. Paul of the Saint John, New Brunswick district office, all of 

 the Department of Public Works of Canada; Mr. Harry S, Perdikis 

 of the New England Division, Corps of Engineers; and Messrs, Robert 

 A, Jachowski and George W, Simmons of the Beach Erosion Board staff. 

 Their permission to use the results of their hindcasts in this report 

 is gratefully acknowledged. 



Bibliography 



(1) Sverdrup, H, U,, and W, H« Munk - Wind, Sea, and Swell; Theory 

 of Relations for Forecasting, U. S» Hydrographic Office 

 Publication No, 601, 1947, 



(2) Bretschneider, C, L. - "Revised Wave Forecasting Relationships", 

 Proceedings, Second Conference on Coastal Engineering , Engineer- 

 ing Foundation, 1952, 



(3) Pierson, W. J,, Jr., Gerhard Neumann, and R, W. James - Practical 

 Methods for Observing and Forecasting Ocean Waves by Means of 

 Wave Spectra and Statistics , Bureau of Aeronautics, Project 

 AROWA Technical Report No, 1, New York University, 1953, 



(A) Neumann, Gerhai>d - On Ocean Wave Spectra and a New Method of 

 Forecasting Wind Generated Sea , Beach Erosion Board Technical 

 Memorandum No, 43, December 1953, 



(5) U, S, Corps of Engineers, * Report on Storm of 6-7 November 1953, 

 in two volumes, New York District, February 1954. 



T7; 



