CONTENTS 



Title Page 



Abstract 1 



Introduction 1 



Commentary , figures and data 3 



Grand Harbour , Grand Manan 5 



Portland Lightship 7 



Boston Lightship 21 



Georges Shoal , Texas Tower #2 29 



Nantucket Shoals , Texas Tower #3 33 



Woods Hole , Massachusetts 35 



Buzzards Lightship 37 



Kingston, Rhode Island 41 



Ambrose Lightship 43 



Texas Tower #4 (off New York) 50 



Barnegat Lightship 52 



Five Fathom Bank Lightship 60 



Winter Quarter Lightship 68 



Chesapeake Lightship 76 



Diamond Shoals Lightship 84 



Frying Pan Shoals Lightship 98 



Savannah Lightship 106 



Literature Cited 114 



LIST OF FIGURES 



No. Page 



Frontispiece. Locations along the Atlantic coast reported 



herein ii 



1 . Normal cycle of temperature at surface and bottom along the 



string of observation posts for 1959 2 



2 . Grand Harbour , Grand Manan 5 



3 . Portland Lightship 8 



4 . Boston Lightship 22 



5 . Georges Shoal , Texas Tower #2 29 



6 . Nantucket Shoals , Texas Tower #3 33 



7 . Woods Hole , Massachusetts 35 



iii 



