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Derby Powderhouse Wharf
Salem, New England, United States
EntryBoat
Max depth14 m
LevelIntermediate and up
Water bodyMassachusetts Bay
Water temp3–19°C
Estimated from climate dataJun–Sep
About this site
Derby Powderhouse Wharf is a reef dive site near Salem, Massachusetts, United States, in the Massachusetts Bay. It is reached from a boat with a maximum depth of about 14 m. Best for divers with some experience. Marine life recorded within about 5 km (OBIS/GBIF) includes nudibranchs, lobsters, seals, dolphins. Typical surface water temperature ranges from about 3 to 19 °C over the year.
Conditions by month
BestGoodMixedOctoberGood
Generally good diving.
Marine life
Recorded nearby
Shore CrabCarcinus maenas
Longclaw Hermit CrabPagurus longicarpus
Jonah CrabCancer borealis
Frond EolisDendronotus frondosus
Forbes'S Sea StarAsterias forbesi
Common Spider CrabLibinia emarginata
MackerelScomber scombrus
Rock CrabCancer irroratus
Nearby sites
- 1Abbot Rock0.9 km
- 2Middle Ground1.6 km
- 3Inner Breakers8.2 km
- 4Stage Fort Park - Gloucester18 km
- 5Three and One-half Fathom Ledge19 km
- 6Ada K. Damon20 km
Straight-line distances.
Sources: Dive Vibe Community (ODbL) · Species occurrences: OBIS (CC BY 4.0), GBIF.org