United States

Great Egg Rock

6–11 mMax Depth

boatEntry

21Species

Conditions Summary

Model forecast · local time (GMT-4)

Model conditions signal91/100

Waves

0.6 m

4.6 s

Swell

0.3 m

4.1 s

Current speed

0.4 km/h

flowing toward SE

Water temperature

14.1°C

Wind

18.9 km/h

→ NW

Sea level

0.4 m

falling

WavesWatch

SwellCalm

Current speedCalm

Planning window

17:00–18:00

Calmest model window

Forecast Overview

Sat, Oct 17Calm

Waves0.5–0.6 mCurrent speed0.5 km/h maxWater temperature14.0°C

Sun, Oct 18Calm

Waves0.3–0.5 mCurrent speed0.5 km/h maxWater temperature13.8°C

Mon, Oct 19Calm

Waves0.3–1.1 mCurrent speed0.5 km/h maxWater temperature13.8°C

Tue, Oct 20Challenging

Waves1.2–1.7 mCurrent speed0.4 km/h maxWater temperature13.7°C

Next 72 hours

17:00

Waves: 0.6 m

Current speed: 0.4 km/h

Water temperature: 14.1°C

23:00

Waves: 0.5 m

Current speed: 0.2 km/h

Water temperature: 13.9°C

05:00

Waves: 0.4 m

Current speed: 0.0 km/h

Water temperature: 13.7°C

11:00

Waves: 0.3 m

Current speed: 0.2 km/h

Water temperature: 13.9°C

17:00

Waves: 0.3 m

Current speed: 0.2 km/h

Water temperature: 14.0°C

23:00

Waves: 0.3 m

Current speed: 0.4 km/h

Water temperature: 13.8°C

05:00

Waves: 0.3 m

Current speed: 0.3 km/h

Water temperature: 13.7°C

11:00

Waves: 0.5 m

Current speed: 0.3 km/h

Water temperature: 13.9°C

17:00

Waves: 0.7 m

Current speed: 0.4 km/h

Water temperature: 14.0°C

23:00

Waves: 1.1 m

Current speed: 0.3 km/h

Water temperature: 13.8°C

05:00

Waves: 1.4 m

Current speed: 0.2 km/h

Water temperature: 13.7°C

11:00

Waves: 1.7 m

Current speed: 0.2 km/h

Water temperature: 13.7°C

Catalog depth6–11 m

Data sources & field guideOpen-Meteo Marine + Weather APIs

Planning context, not a safety guarantee. Coastal model accuracy is limited. Confirm the actual briefing, entry, exit, and suitability with a local operator.

Open-Meteo Marine + Weather APIs →

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

Loading…

Dive Types

pinnaclesalt Waterbeginner Difficulty

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

12 km · nearby observations

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