Boat dive — see Entry & access.
HubLine Boston Harbor is a boat dive site in Massachusetts, United States with depths of up to 7.9 m (26 ft). Typically most favorable Jun–Aug · from 3 years of archive data. Recent reports put the water around 17°C (63°F). Check the latest conditions and entry details before you go.
Tap a factor for its source and model point · Forecast 17°C · seasonal avg 19°C
Dive windows this week
Best: SatFavorable windowModerate window— no window
First light 4:58 · Sunrise 5:30 · Sunset 20:09
Source: Open-Meteo marine · model point 4.3 km from site · graded 3h ago
Forecast only — always assess conditions on site.
Forecast · NOAA tide model
Loading tide predictions
Dated firsthand observations from divers — not current conditions.
No diver reports for this site yet. — one dated observation helps every diver after you.
What conditions have historically been typical at this site, month by month — not a forecast.
June, July, and August havetypically 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.
No recorded sightings data for this site yet. Species lists appear as GBIF records and diver reports accumulate.
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.
Artificial reef built from Rocks
No hazards recorded for this site yet — that never means there are none. Ask a local operator before you dive.
HubLine Boston Harbor has a depth range of up to 7.9 metres (26 feet). Check the dive site page for current conditions and any depth-specific guidance before planning your dive.
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