H, O. Pub. No. 604 



Techniques 

 for Forecastin 

 Wind Waves 

 and Swell 



Issued under the authority of the 

 Secretary of the Navy 



U. S. NAVY HYDROGRAPHIC OFFICE, WASHINGTON, D. C, 1951 

 For sale by Hydrographic Officer, Washington 2S, D. C. Price $1.20 



MBL/WHOI 



D 0301 D0M0766 ft 



