United States
Great Egg Rock
6–11 mMax Depth
boatEntry
21Species
Conditions Summary
The marine forecast is temporarily unavailable. Confirm the actual briefing, entry, exit, and suitability with a local operator.
Dive readiness
Collecting the latest marine conditions and forecast signals.
Seasons · water temperature
12-month outlook
Best window
Jun-Oct
Peak month
Aug 18.6°
Jan5.5°
Feb4.1°
Mar3.8°
Apr5.6°
May9.6°
Jun14.2°
Jul17.8°
Aug18.6°
Sep16.9°
Oct13.3°
Nov9.9°
Dec7.6°
Current: moderate
Typical visibility: 7.5 m
Historical planning data from the recorded site profile. Water temperature and conditions can vary by day, depth, and weather; confirm current conditions with a local operator.
Explore nearby centers on the map
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Dive Types
pinnaclesalt Waterbeginner Difficulty
Data source & current conditions
Profile facts were imported from DeepLog. ScubaProof adds nearby-center links and presents the recorded fields without treating missing data as confirmation. Conditions, access, permits, and site suitability can change; confirm them with a local operator before diving.
View the source profile →Questions to ask a local operator
- What are today's current, visibility, entry, and exit conditions?
- Does the planned route stay within my certification and recent experience?
- Are there local permits, conservation rules, or equipment requirements?
Common Species
Northern horse mussel
Modiolus modiolus
DeepLog7
Blue mussel
Mytilus edulis
DeepLog5
Common periwinkle
Littorina littorea
DeepLog5
Crown doto
Doto coronata
DeepLog5
Cunner
Tautogolabrus adspersus
DeepLog4
Plumosa anemone
Metridium senile
DeepLog4
Rock gunnel
Pholis gunnellus
DeepLog4
Northern sea urchin
Strongylocentrotus droebachiensis
DeepLog3
Slipper limpet
Crepidula fornicata
DeepLog3
Starfish (sea star)
Asterias forbesi
DeepLog3
Pink-mouth hydroid
Ectopleura crocea
DeepLog2
Scarlet psolus
Psolus fabricii
DeepLog2
These are nearby biodiversity records, not a guarantee that every species will be seen on a particular dive.
DeepLog + OBIS →Photos
