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Northstar

Northstar

Michigan, United States

Depth
Depth Icon

29m

Visibility
Visibility Icon

3m - 8m

Entry
Boat Entry Icon

Boat

Experience Level

Experienced

Northstar

Michigan, United States

Northstar
Depth
Depth Icon

29m

Visibility
Visibility Icon

3m - 8m

Entry
Boat Entry Icon

Boat

Experience Level

Experienced

About Northstar
300 feet long steel hulled ship, sunk in collision with propeller Northern Queen in dense fog, November 25, 1908, off Port Sanilac, MI. No lives lost. Vessel was downbound from Duluth with mixed cargo of flour, wheat, and shingles at time of loss. Visibility on this wreck is usually poor. The wreck is split in two areas separated by some 40 feet, the gap by some called the 'leap of faith'.

Northstar Dive Info

Terrain & Features

Wreck, Deep

Entry Type

Boat

Max Depth

29m

Visibility Range

3m – 8m

Experience Level

Experienced

Best Gas Mix

21% – 36%

O2
CNS Load (25 min)

15% at 27m / 36%

O2
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Marine Life
  • Turbots
  • Zebra Mussel
Weather Conditions
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Location
Dive Site Hazards

  • Deceptive Entry Openings — Openings may become restrictive inside due to angle, collapse, or corrosion.

  • Surge-Induced Internal Silt Shift — Internal surge can move silt and debris without direct contact.

  • Partial Overhead Environment — Many wrecks limit direct ascent even without full penetration.

  • Fine Rust Particle Silt-Out — Disturbed rust particles can rapidly reduce visibility.

  • Gradual Narcosis Onset — Narcosis may develop slowly, making self-assessment unreliable.

  • Task Fixation at Depth — Cognitive narrowing at depth can reduce awareness of time and ascent rate.

  • Increased Gas Density Breathing Load — Higher gas density at depth increases work of breathing.

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