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Map of Northerner Wreck
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Northerner Wreck

Wisconsin, United States
AOW suggestedDepth 130-140 ft at the limit of recreational diving20–43 m depthBoat entry

Boat dive — see Entry & access.

Northerner Wreck at a glance

Northerner Wreck is an advanced boat dive site in Wisconsin, United States with depths of 20–43 m (66–141 ft). Typically most favorable Sep · from 3 years of archive data. Divers commonly see Quagga mussel and Burbot. Check the latest conditions and entry details before you go.

Wind model · graded 2h ago
—

Tap a factor for its source and model point

Site hazards: Depth 130-140 ft at the limit of recreational diving · Very cold water below the thermocline · Standing mast and rigging entanglement

All 4 hazards ↓

Dive windows this week

Best: Tue
Fri15:00–16:00
Sat7:00–10:00
Sun7:00–20:00
Mon7:00–19:00
Tue12:00–20:00
Wed9:00–15:00
Thu7:00–15:00

Favorable windowModerate window— no window

First light 5:58 · Sunrise 6:26 · Sunset 19:08

Source: Open-Meteo wind · graded 2h ago

Forecast only — always assess conditions on site.

Forecast · NOAA tide model

Tide & slack timing

Loading tide predictions

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: June-September when charters run and the mooring buoy is set; visibility often exceeds 80 ft.

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. Jan80% 11 kn
  2. Feb76% 12 kn
  3. Mar70% 12 kn
  4. Apr67% 12 kn
  5. May87% 10 kn
  6. Jun88% 10 kn
  7. Jul94% 9 kn
  8. Aug94% 9 kn
  9. Sep97% 9 kn
  10. Oct83% 11 kn
  11. Nov72% 12 kn
  12. Dec81% 11 kn

September hastypically 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

Fills & rentals nearby

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

Data updated June 2026

Site details

The two-masted schooner Northerner capsized and sank off Port Washington in 1868 while under tow and now sits upright and remarkably intact in about 140 feet of water. Her main mast still stands some 75 feet above the deck, the bowsprit and a rare carved figurehead survive, and her cargo of cordwood remains stacked in the hold. Frequently 80-plus-foot visibility makes it one of the most photogenic wrecks on Wisconsin's Shipwreck Coast, but the depth makes this a serious advanced dive.

boatwreck

Depth 130-140 ft at the limit of recreational diving — fatalities have occurred here

Very cold water below the thermocline

Standing mast and rigging entanglement

Decompression risk on longer stays

Reviews

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