NOAA ENCŪ

NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTATION

US5AK5AM - PORTAGE AND WIDE BAYS

INDEX:
AUTHORITIES
CAUTION - TEMPORARY CHANGES
POLLUTION REPORTS
AIDS TO NAVIGATION
SUPPLEMENTAL INFORMATION
NOTE A
COLREGS, 80.1705 (see note A)
TIDAL INFORMATION
WARNING - PRUDENT MARINER
ADDITIONAL INFORMATION

NOTES:
AUTHORITIES
Hydrography and topography by the National Ocean Service, Coast Survey.


CAUTION - TEMPORARY CHANGES
Temporary changes or defects in aids to navigation are not indicated on this chart. 
See notice to mariners.


POLLUTION REPORTS
Report all spills of oil and hazardous substances to the National Response Center via 1-800-424-8802 
(toll free), or to the nearest U.S. Coast Guard facility if telephone communication is impossible 
(33 CFR 153).


AIDS TO NAVIGATION
Consult U.S. Coast Guard Light List for supplemental information concerning aids to navigation.


SUPPLEMENTAL INFORMATION
Consult U.S. Coast Pilot 9 for important supplemental information.


NOTE A
Navigation regulations are published in Chapter 2, U.S. Coast Pilot 9.  Additions or revisions to 
Chapter 2 are published in the Notice to Mariners.  Information concerning the regulations may be 
obtained at the Office of the Commander, 17th Coast Guard District in Juneau, Alaska, or at the 
Office of the District Engineer, Corps of Engineers in Anchorage, Alaska.
Refer to charted regulation section numbers.


COLREGS, 80.1705 (see note A)
International Regulations for Preventing Collisions at Sea, 1972. The entire area of this chart falls 
seaward of the COLREGS Demarcation Line.


TIDAL INFORMATION 
For tidal information see the NOS Tide Table publication or go to 
http://co-ops.nos.noaa.gov.


WARNING - PRUDENT MARINER
The prudent mariner will not rely solely on any single aid to navigation, particularly on
floating aids.  See U.S. Coast Guard Light List and U.S. Coast Pilot for details.


ADDITIONAL INFORMATION
Additional information can be obtained at www.nauticalcharts.noaa.gov

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