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Map of SS Kamloops Wreck
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ExpertBoat entry

SS Kamloops Wreck

Michigan, United States
Extreme depth (175-260+ ft)53–79 m (174–259 ft) depthBoat entry

Boat dive — see Entry & access.

SS Kamloops Wreck at a glance

SS Kamloops Wreck is an expert boat dive site in Michigan, United States with depths of 53–79 m (174–259 ft). Typically most favorable Jul · from 3 years of archive data. Divers commonly see Burbot. Check the latest conditions and entry details before you go.

Favorable window now· until 19:00 · sunset 18:46

Wind forecast for this hour · 11:00 · run 21 h ago
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Tap a factor for its source and model point

Site hazards: Extreme depth (175-260+ ft) · Human remains of the 1927 crew are still inside the wreck · Wreck lies on its starboard side on a steep slope

All 5 hazards ↓

Dive windows this week

Mon11:00–19:00 favorable

9 kn wind (9 kn wind)

Tue9:00–17:00 favorable, 17:00–19:00 moderate

12 kn wind (12 kn wind)

Wed17:00–19:00 moderate

8 kn wind (8 kn wind)

Thu9:00–14:00 favorable, 14:00–18:00 moderate, 18:00–19:00 favorable

14 kn wind (14 kn wind)

Fri9:00–19:00 favorable

8 kn wind (8 kn wind)

Sat9:00–19:00 favorable

8 kn wind (8 kn wind)

SunNot in the forecast yet

Favorable windowModerate window— no window

Every forecast dive window each day, site-local time, from wind forecasts. Numbers under each bar are daylight averages.

First light 7:59 · Sunrise 8:31 · Sunset 18:46 · some windows run past sunset

Source: Open-Meteo wind · updated 25 Oct, 13:25 GMT-4

Forecast only — always assess conditions on site.

Compare this weekend’s windows near SS Kamloops Wreck

Recent diver reports

Dated firsthand observations from divers — not current conditions.

No diver reports for this site yet. — one dated observation helps every diver after you.

Dived here today — did the forecast match?

What Divers Say

Best time: July-September flat-calm windows on expedition charters.

Based on community reviews and site data. Conditions vary — always verify before diving.

Best months, historically

What conditions have historically been typical at this site, month by month — not a forecast.

  1. January, 44% of days have historically been favorable, wind has typically been 15 knots
  2. February, 41% of days have historically been favorable, wind has typically been 15 knots
  3. March, 51% of days have historically been favorable, wind has typically been 14 knots
  4. April, 49% of days have historically been favorable, wind has typically been 14 knots
  5. May, 61% of days have historically been favorable, wind has typically been 13 knots
  6. June, 66% of days have historically been favorable, wind has typically been 11 knots
  7. July, 83% of days have historically been favorable, wind has typically been 10 knots, historically most favorable
  8. August, 76% of days have historically been favorable, wind has typically been 11 knots
  9. September, 73% of days have historically been favorable, wind has typically been 12 knots
  10. October, 51% of days have historically been favorable, wind has typically been 14 knots
  11. November, 31% of days have historically been favorable, wind has typically been 16 knots
  12. December, 42% of days have historically been favorable, wind has typically been 16 knots

July has typically had the largest share of favorable days here. Conditions vary year to year — this is historical context, not a forecast.

Based on 3 years of archive data. Bar height shows the share of days each month whose conditions have historically scored favorably.

Marine life seen at this site

Species noted at this site — not a promise of what you’ll encounter.

Species seen here

Rough labels: “Commonly seen” usually means two or more recorded sightings near this site in public dive logs (GBIF), “Occasionally seen” one; “Seasonal” and “Rarely seen” come from dive-guide research. Not a measured rate.

Fills & rentals nearby

No dive shops mapped within 25 km (16 mi). Know one? Add it to the map.

Data updated June 2026

Site details

The Kamloops, a Canada Steamship Lines package freighter, vanished with all 22 hands in a December 1927 storm and was not found until 1977, lying on her starboard side off Twelve O'Clock Point in roughly 175 to 260+ ft of near-freezing water. She is astonishingly intact and undisturbed — cargo still in her holds and crew remains aboard, including the well-preserved body divers call 'Grandpa' in the engine room — making her both Isle Royale's ultimate technical dive and a de facto gravesite that must be treated with respect. Only fully qualified trimix/CCR divers on expedition charters should attempt her, and several divers have died here.

boatwreck

Extreme depth (175-260+ ft) — full trimix/CCR decompression dive only; multiple diver fatalities have occurred here

Human remains of the 1927 crew are still inside the wreck — treat the site as a gravesite; engine-room penetration is strongly discouraged and disturbance is prohibited by federal law

Water near 1-3 C at depth; severe cold stress and DCS risk

Wreck lies on its starboard side on a steep slope — easy to exceed planned depth

Extreme remoteness — nearest recompression chambers in Minneapolis and Milwaukee

Reviews

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