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Map of USS New Hampshire Wreck
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Boat entry

USS New Hampshire Wreck

Massachusetts, United States
Open Water suggestedShallow surge near the island in swell; limited visibility (~15 ft typical); boat traffic; sharp copper spikes and fasteners in the sand. Artifact rules8–11 m depthBoat entry5mm wetsuit typical

Boat dive — see Entry & access.

USS New Hampshire Wreck at a glance

USS New Hampshire Wreck is a boat dive site in Massachusetts, United States with depths of 7.6–10.7 m (25–35 ft). Typically most favorable Jul · from 3 years of archive data. Divers commonly see American lobster, Winter flounder, and Cunner. Recent reports put the water around 19°C (66°F). Check the latest conditions and entry details before you go.

Marine model · graded 13h ago
0.3 mwaves — under half a meter expected

Tap a factor for its source and model point · Forecast 19°C · seasonal avg 19°C

Site hazards: Shallow surge near the island in swell; limited visibility (~15 ft typical); boat traffic; sharp copper spikes and fasteners in the sand. Artifact rules

Read the full hazards ↓

Dive windows this week

Best: Fri
Fri7:00–19:00
Sat7:00–19:00
Sun12:00–19:00
Mon7:00–19:00
Tue7:00–19:00
Wed7:00–19:00
Thu7:00–19:00

Favorable windowModerate window— no window

First light 5:50 · Sunrise 6:18 · Sunset 19:00 · all windows sit within daylight

Source: Open-Meteo marine · model point 6.8 km from site · graded 13h 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

Known for: American lobster, Cunner
Best time: Summer and early fall in calm seas

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. Jan34%6°C1.5 m
  2. Feb36%5°C1.4 m
  3. Mar35%5°C1.6 m
  4. Apr59%7°C1.2 m
  5. May70%11°C1.1 m
  6. Jun82%16°C0.8 m
  7. Jul90%19°C0.7 m
  8. Aug85%19°C0.8 m
  9. Sep77%19°C1.1 m
  10. Oct58%15°C1.3 m
  11. Nov43%12°C1.2 m
  12. Dec38%8°C1.4 m

July 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

Facts from OpenStreetMap, corrected by the community — listed by distance only. Details change; confirm with the shop.

Shop facts come from OpenStreetMap and community corrections, shown nearest first. PickADive lists facts and contacts only — no listing is sponsored or ranked.

Data updated July 2026

Site details

The USS New Hampshire, a 196-ft wooden 74/76-gun ship-of-the-line laid down in 1819 at Portsmouth, caught fire and sank on 26-27 July 1922 off Graves Island, Manchester-by-the-Sea, while under tow to the breakers. The broken-up hull lies in 25-35 feet of water just off the east side of the island, with timbers, copper sheathing, and spikes (supplied by Paul Revere's foundry) emerging from the sand. It is an easy, historic shallow boat dive popular with North Shore charters.

boatwreck

Shallow surge near the island in swell; limited visibility (~15 ft typical); boat traffic; sharp copper spikes and fasteners in the sand. Artifact rules — site managed by MA BUAR.

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