Shipwreck · Alpena, Michigan
Portsmouth
A 182-foot propeller built in 1853, lost on November 15, 1867, carrying pig iron. In Thunder Bay National Marine Sanctuary. Look, don’t touch, and take nothing: removing or damaging anything on the wreck is illegal.
Open in the viewer from Rockport boat launch →
Quick facts
| Type | Shipwreck, propeller |
|---|---|
| Lost | 1867 |
| Built | 1853 |
| Seabed depth | 2.4 m (8 ft) below the surface |
| Position | 45.1978°N, 83.3338°W (approximate, ±30 m) |
| Position known from | NOAA's nautical chart |
| From Rockport boat launch | 3.8 km (2.3 mi), bearing 97° E |
| Source | NOAA Thunder Bay National Marine Sanctuary; NOAA ENC US4MI1LI; Michigan DNR shipwreck locations (Michigan Underwater Preserve Council) |
How to see it
Underwater, so there is nothing to see from the shore. From Rockport boat launch, 3.8 km (2.3 mi) away, CoastFinder draws it below the horizon at its bearing and distance, with its charted depth.
On the website for now. This shipwreck is in the web viewer first. The CoastFinder app covers the North Carolina coast today; follow @coastfinderapp to hear when more coasts arrive.
Nearby
- Middle IslandIsland · 748 m
- Middle Island LighthouseLighthouse · 1.1 km
- Dump ScowShipwreck · 39.6 m · 3.2 km
- DefianceShipwreck · 56.4 m · 5.9 km
- PortlandShipwreck · 1.8 m · 8.1 km
- William A. Young (lost 1911)Shipwreck · 12.2 m · 9.0 km
Not for navigation. Positions and depths come from public charts and records, with their sources named above; they are for looking, not for piloting a boat.