UFC 4-150-06
12 December 2001
Table 5-7 Typical Entrance-Channel Dimensions
Harbor
Width
Depth
Remarks
(m (ft))
(m (ft))
Boston, MA
335.3
12.2
Access to port entrance
(1,100)
(40)
New York, NY
548.6
13.4
Access to port entrance
(1,800)
(44)
Charleston, SC
457.2
10.7
Non-restricted outlet for
(1,500)
(35)
three rivers
Columbia River, OR
804.7
14.6
River bar crossing in
(2,640)
(48)
severe wave environment
closed during certain
storms
Long Beach, CA
548.6
18.3
Breakwater gap
(1,800)
(60)
San Diego, CA
243.8
12.5
Entrance channel through
(800)
(41)
parallel jetties
Apra Harbor Guam
411.5
36.6
Entrance between
(1,350)
(120)
breakwater head and
shore
Table 5-8 Typical Harbor Entrances Serving Naval Facilities
Harbor
Width (m
Depth (m
Largest Naval
Remarks
(ft))
(ft))
Vessel Normal
Use
Mayport, FL
274.3
12.8
Entrance through
Unrestricted
(900)
(42)
parallel jetties
Port Hueneme,
182.9
11.9
Entrance through non-
Destroyer
CA
(600)
(39)
parallel jetties
Pearl Harbor, HI
481.6
18.3
Broad, ill-defined
Unrestricted
(1,580)
(60)
entrance
Seal Beach, CA
182.9
11.6
Entrance through non-
Destroyer
(600)
(38)
parallel jetties
5-46
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