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Map of Dartmouth artificial reef
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Boat entry

Dartmouth artificial reef

Massachusetts, United States
Open Water suggested9 m depthBoat entry5mm wetsuit typical

Boat dive — see Entry & access.

Dartmouth artificial reef at a glance

Dartmouth artificial reef is a boat dive site in Massachusetts, United States with depths of up to 9.1 m (30 ft). Typically most favorable Jul · from 3 years of archive data. Recent reports put the water around 21°C (70°F). Check the latest conditions and entry details before you go.

Marine model · graded 14h ago
1.0 mwaves — about a meter expected

Tap a factor for its source and model point · Forecast 21°C · seasonal avg 21°C

Dive windows this week

Best: Tue
Fri7:00–19:00
Sat7:00–19:00
Sun7:00–19:00
Mon7:00–19:00
Tue7:00–19:00
Wed7:00–19:00
Thu7:00–19:00

Favorable windowModerate window— no window

First light 5:52 · Sunrise 6:20 · Sunset 19:00 · all windows sit within daylight

Source: Open-Meteo marine · model point 9.5 km from site · graded 14h 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?

Best months, historically

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

  1. Jan63%5°C1.5 m
  2. Feb61%4°C1.4 m
  3. Mar61%5°C1.4 m
  4. Apr70%9°C1.3 m
  5. May87%14°C1.0 m
  6. Jun94%18°C0.9 m
  7. Jul97%23°C0.9 m
  8. Aug89%23°C1.0 m
  9. Sep92%21°C0.9 m
  10. Oct82%17°C1.1 m
  11. Nov68%12°C1.3 m
  12. Dec63%8°C1.5 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 recorded at this site

No recorded sightings data for this site yet. Species lists appear as GBIF records and diver reports accumulate.

Fills & rentals nearby

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

Data updated July 2026

Site details

Artificial reef built from Concrete

reef

No hazards recorded for this site yet — that never means there are none. Ask a local operator before you dive.

Reviews

No reviews yet — this site is waiting for its first. Dived here? Your rating and a few lines help the next diver.

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