Maine and New Hampshire Pilot Notes
Cape Elizabeth to
Waypoints
Portsmouth
Boon Island light
43 07.3N, 70 28.6W Fl W 5s 19M Gray
Tides p. 369, Differences p. 519
tower, 137ft. 1 horn every 10s.
Currents p. 558 Differences p. 692
Wood Island Approach Lighted Whistle Buoy WI
Pilotage: Boon Island is surrounded by
43 27.7N, 70 17.4W Mo (A) W 6M Red/White
deep water, but there are numerous detached
ledges in the vicinity. The easternmost is
Cape Porpoise Lighted Whistle Buoy CP
Boon Island Ledge, marked by Lighted
43 20.3N, 70 23.6W Mo (A) W 6M Red/White
Whistle Buoy 22A. The area between Boon
Island and the ledge shoals to 16ft SE of
Kennebunkport Approach Lighted Bell Buoy 1
Boon Island frequent US Navy operations w/
43 19.5N, 70 28.0W Fl G 4s 5M Green
submarines and escorting surface vessels fly-
ing red flag or international code signal NE2.
Boon Island Ledge Lighted Whistle Buoy 22A
Stay well clear; stand by for communications
43 07.5N, 70 24.5W Fl R 4s 6M Red
from naval vesels.
Landmarks: Boon Island light is conspicu-
York Harbor Lighted Bell Buoy YH
ous approaching from any direction.
43 07.8N, 70 37.0W Mo (A) W 5M Red/White
stripes with red spherical topmark.
Portsmouth to Newburyport
Piscataqua River in Portsmouth. They moni-
tor VHF 16 and work on VHF 13. The US
Tides p. 372, Differences p. 521
Route 1 Memorial Highway Bridge (call sign:
Currents p. 558 Differences p. 694
KBK-472) crosses from downtown Ports-
mouth to Badger’s Island. Clearance is 19ft
Pilotage: The Isles of Shoals are located about closed and 150ft open. Bridge (US 1) sched-
6nm SE of Portsmouth Harbor. Numerous ule for pleasure craft: May to October 15,
rocks and ledges surround Duck Island. Main- 0700 to 1900 on the hour and half-hour.
tain a safe distance when approaching from N. Landmarks: A large hotel with a charted
Shag Rock is the center of a designated naval cupola is located on the SW end of New
target area. All vessels must stay at least 1,500ft Castle Island. The blockhouse and parapets
away between 0800 and 1700. There is anchor- of Fort McClary are located on Kittery Point
age at Gosport Harbor, but no facilities, and the W of entrance channel range lights.
harbor is not recommended in heavy weather.
Waypoints
Waypoints
Whaleback Light
Isles of Shoals Bell Buoy IS, N of Halfway Rocks
43 03.5N, 70 41.8W Fl (2) W 10s 59ft 24M Gray
42 58.9N, 70 37.3W Red/White
tower. 2 horns every 30s.
Isles of Shoals Light Portsmouth (New Castle Light)
42 58.0N, 70 37.4W Fl W 15s 82ft 20M White 43 4.3N, 70 42.5W F G 52ft 12M White
tower. 1 horn every 30s. tower. 1 horn every 10s.
Rye Harbor Entrance Lighted Whistle Buoy RH Port of Entry: Contact U.S. Customs at
42 59.6N, 70 43.8W Mo (A) W 6M Red/White
603-422-0910
Harbormaster: VHF 16; 603-436-8500
Dockage/Moorings: Berthing for up to
Portsmouth NH: 43 04N, 70 45W 72hrs is available at Prescott Park Wharf, 300ft
Hazards: The Piscataqua River currents downstream of the US1 Bridge. Transient
often exceed 6 knots. Lightly powered boats dockage is also available at several marinas on
should only approach at slack tide, although Badgers Island, Little Harbor, and Great Bay.
strong river currents may be present regard- Transient moorings may be available in Little
less of tide. Two lift span bridges cross the Harbor and in nearby Kittery, Maine.
34