NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION

US4CA11M - GULF OF THE FARALLONES

INDEX:
NOTE - A
VESSEL TRANSITING	
SUPPLEMENTAL INFORMATION
POLLUTION REPORTS
AIDS TO NAVIGATION
CAUTION - TEMPORARY
CAUTION - DREDGED AREAS
CAUTION - SUBMARINE PIPELINES AND CABLES
NOAA WEATHER RADIO BROADCASTS
WARNING - PRUDENT MARINER
CAUTION - LIMITATIONS
RADAR REFLECTORS
TIDAL INFORMATION
ADDITIONAL INFORMATION
IMO AMENDED TRAFFIC SEPARATION SCHEME

NOTES:
NOTE - A
Navigation regulations are published in Chapter 2, U.S. 
Coast Pilot 7. Additions or revisions to Chapter 2 are pub-
lished in the Notice to Mariners. Information concerning the 
regulations may be obtained at the Office of the Commander,
11th Coast Guard District in Alameda, California or at the 
Office of the District Engineer, Corps of Engineers in 
San Francisco, California.
Refer to charted regulation section numbers.

VESSEL TRANSITING
The U.S. Coast Guard and the Pacific States/British Columbia Oil Spill 
Task Force endorce a system of voluntary measures and minimum 
distances from shore for certain commercial vessels transiting along 
the coast anywhere between Cook Inlet, Alaska and San Diego, 
California. See U. S. Coast Pilot 7, Chapter 3 for details. 

SUPPLEMENTAL INFORMATION
Consult U.S. Coast Pilot 7 for important 
supplemental information.

POLLUTION REPORTS
Report all spills of oil and hazardous sub-
stances 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.

CAUTION - TEMPORARY 
Temporary changes or defects in aids to 
navigation are not indicated on this chart. See 
Local Notice to Mariners.

CAUTION - DREDGED AREAS
Improved channels are 
subject to shoaling, particularly at the edges.

CAUTION - SUBMARINE PIPELINES AND CABLES
Additional uncharted submarine pipelines and 
submarine cables may exist within the area of 
this chart. Not all submarine pipelines and sub-
marine cables are required to be buried, and 
those that were originally buried may have 
become exposed. Mariners should use extreme 
caution when operating vessels in depths of 
water comparable to their draft in areas where 
pipelines and cables may exist, and when 
anchoring, dragging or trawling.
Covered wells may be marked by lighted or 
unlighted buoys.

NOAA WEATHER RADIO BROADCASTS
The NOAA Weather Radio stations listed 
below provide continuous weather broadcasts.  
The reception range is typically 20 to 40 
nautical miles from the antenna site, but can be 
as much as 100 nautical miles for stations at 
high elevations.

Mt. Pise, CA    KHB-49       162.40 MHz WX2
Mt. Umunhum, CA KEC-49       162.55 MHz WX1
Mt. Umunhum, CA	WWF-64       162.45 MHz WX5

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.

CAUTION - LIMITATIONS
Limitations on the use of radio signals as
aids to marine navigation can be found in the
U.S. Coast Guard Light Lists and National
Geospatial-Intelligence Agency Publication 117.
Radio direction-finder bearings to commercial
broadcasting stations are subject to error and
should be used with caution.
   Do not rely on radiobeacon bearings from
any ship position within one-half mile of GOLDEN GATE BRIDGE.   

RADAR REFLECTORS
Radar reflectors have been placed on many
floating aids to navigation. Individual radar
reflector identification on these aids has been
omitted from this chart.

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

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

IMO AMENDED TRAFFIC SEPARATION SCHEME
Portions of the traffic separation scheme shown on this chart have been amended by the IMO. 
See IMO COLREG.2/Circ.64. Please be advised that these portions have not been revised by the 
United States Coast Guard and that the corresponding changes have not been updated in the 
Code of Federal Regulations (33 CFR part 167). There are differences between the two traffic 
separation schemes and caution is advised.

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