Mouillage

Oswego

United StatesGreat Lakes
Shelter
SE, S, SW
Seabed
sand
Anchoring
Allowed

Anchorage off the mouth of the Oswego River on the south shore of Lake Ontario, sand bottom, protected from SE, S and SW winds.

  • Dock

Guide

Approach and anchoring

Enter between the breakwaters from Lake Ontario. A flashing green light marks the north jetty and a flashing yellow light its eastern end, with entry possible from either side. Inside, a wide turning basin and commercial channel break off to the west. Anchor on the east side of the river near Fort Ontario, clear of the commercial channel.

Practical

Fuel, fresh water and seasonal berths are available at Oswego Marina, 0.6 nautical miles to the SW. The harbour is a long-used spot for stepping and unstepping masts before the Oswego Canal, which links Lake Ontario to the Erie Canal and the Hudson through seven locks.

History

Fort Ontario stands on the bluff above the river mouth. Five successive forts held this strategic point between 1756 and 1814, attacked seven times during that period. From 1944 to 1946 the fort sheltered 982 Jewish refugees, the only such shelter set up by the United States during the war.

Key facts

Type
Anchorage
Coordinates
43.47085, -76.50419 (43°28.25'N 76°30.25'W)
Country
United States
Shelter
Sheltered from south-east, south, south-west winds
Seabed
sand
Anchoring
Allowed
Services
Dock
Updated
July 7, 2026

Getting there

Oswego lies at 43°28.25'N 76°30.25'W, that is 43.47085, -76.50419 in decimal degrees.

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Frequently asked questions

Which winds is Oswego sheltered from?

Oswego is sheltered from south-east, south, south-west winds.

Can you anchor at Oswego?

Yes, anchoring is allowed at Oswego.

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