140 



NAUTICAL CHART MANUAL 



CAUTION 

 Improved channels shown by- broken lines are 

 subject to shoaling, particularly at the edges. 



PRIVATE BUOYS 

 Private buoys are maintained in most 

 of the bays, ponds and Inlets on this chart. 



259 



CAUTION 

 Temporary defects in aids to navigation are not 

 indicated on this chart except where a buoy 

 replaces a fixed aid. See Notices to Mariners. 



DUMPING GROUNDS 

 Regulations and permission for 

 dumping in the areas indicated 

 may be obtained at the office of 

 the District Engineer, Corps of 

 Engineers. Ney York. N. Y. 



CAUTION 

 Southeast Channel Entrance is 

 subject to continual change. 



1240 



INTRACOASTAL WATERWAY 

 Use chart 845-SC. The depths and 



channel markers are not shown hereon. 



Caution 

 Extremely heavy tide rips and strong currents 

 may be encountered in the vicinity of the islands 

 shown on this chart. 



ST. LUCIE INLET 



The channel is subject to continual change. 



Entrance buoys and lights are not shown 



because they are frequently shifted in position. 



Use chart 845-SC. 



CAUTION 

 Vessels entering Long Beach 

 Channel should pass eastward of 



lighted whistle buoy"LB," and vessels 

 departing should pass westward. 



5147 



CAUTION 



The shoreline is subject to 

 continual change in this area. 



887-SC 



CAUTION 

 Mariners are warned to stay 

 clear of the protective riprap sur- 

 rounding navigational tight structures 

 shown thus: 'Mte 



NAVAL TRAIL COURSE 

 The line of buoys in the entrance to Penobscot 

 Bay between Latitude 44°01' and 44°08' mark 

 a Naval trial course. Vessels must keep clear 

 of this course while trial tests are in progress- 

 ive J 



PLANES OF REFERENCE 

 Depths charted in Caloosahatchee River and St. 

 Lucie River are referred to mean low water. Depths 

 in the Caloosahatchee Canal are referred to a low 

 water elevation which is 10 feet above mean sea level. 

 Depths in Lake Okeechobee and St. Lucie Canal 

 are referred to a low water elevation which is 12^ 

 feet above mean sea level. 



1289 



VEGETATION 

 The land is generally heavily wooded. The 

 woods decrease in density with the elevation, 

 leaving the higher elevations bare. 



8148 



STORM WARNINGS 



The U. S. Weather Bureau displays storm 



warnings on the following lightships; 

 Pollock Rip (4r36'-69''51') 

 Nantucket Shoals (40°33'-69°28') 

 Ambrose Channel (40°27'-73''49') 

 Scotland {40°26'-73"55') 

 Barnegat (39°46'-73°56') 

 Five Fathom Bank (38''47'-74''35') 



For a complete list of storm warning 



stations, see large scale charts, 



1108 



STORM WARNINGS 



The U. S. Weather Bureau displays storm warnings at 

 the following approximate locations: 



Custom House. Boston (42°21 ,5'-71 "03.2') 

 Boston C. G. Station {42°22,l'-7r03.1') 

 Boston Lightship (42''20.4'-70M5.5'} 

 Deer Island Light Station (42°20.4'-70°57.3') 

 *Old Colony Yacht Club *{42''18.0'-7r02.7') 

 •Hingham Yacht Club (42*'15.7'-70°53.7') 



Pt Allerton C. G. Station {42''18,4'-70°54') 

 *Winthop (42'22.r-70°59.3') 

 *Seasonal 



246 



FIGURE 9— Standard Notes 



