United States

Jeffreys Ledge

36.6–36.6 mMax Depth

boatEntry

2Species

Conditions Summary

Model forecast · local time (GMT-4)

Model conditions signal62/100

Waves

1.8 m

8.1 s

Swell

1.6 m

7.7 s

Current speed

0.5 km/h

flowing toward SW

Water temperature

13.3°C

Wind

32.9 km/h

→ N

Sea level

-0.3 m

falling

WavesChallenging

SwellChallenging

Current speedCalm

Forecast Overview

Tue, Oct 20Challenging

Waves1.8–2.1 mCurrent speed0.7 km/h maxWater temperature13.4°C

TodayChallenging

Waves2.1–2.8 mCurrent speed1.1 km/h maxWater temperature13.3°C

TomorrowChallenging

Waves1.8–2.7 mCurrent speed1.0 km/h maxWater temperature13.3°C

Fri, Oct 23Challenging

Waves1.8–2.1 mCurrent speed1.0 km/h maxWater temperature13.2°C

Next 72 hours

09:00

Waves: 1.8 m

Current speed: 0.5 km/h

Water temperature: 13.3°C

15:00

Waves: 1.8 m

Current speed: 0.7 km/h

Water temperature: 13.4°C

21:00

Waves: 1.9 m

Current speed: 0.5 km/h

Water temperature: 13.4°C

03:00

Waves: 2.3 m

Current speed: 0.9 km/h

Water temperature: 13.3°C

09:00

Waves: 2.5 m

Current speed: 0.6 km/h

Water temperature: 13.3°C

15:00

Waves: 2.6 m

Current speed: 0.5 km/h

Water temperature: 13.3°C

21:00

Waves: 2.8 m

Current speed: 0.4 km/h

Water temperature: 13.3°C

03:00

Waves: 2.7 m

Current speed: 0.4 km/h

Water temperature: 13.3°C

09:00

Waves: 2.3 m

Current speed: 0.4 km/h

Water temperature: 13.2°C

15:00

Waves: 1.9 m

Current speed: 0.2 km/h

Water temperature: 13.4°C

21:00

Waves: 2.0 m

Current speed: 0.9 km/h

Water temperature: 13.3°C

03:00

Waves: 2.0 m

Current speed: 0.4 km/h

Water temperature: 13.2°C

Catalog depth36.6 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-Sep

Peak month

Aug 18.7°

Jan5.9°

Feb4.5°

Mar4.1°

Apr5.6°

May9.4°

Jun14.1°

Jul17.8°

Aug18.7°

Sep16.9°

Oct13.3°

Nov10.0°

Dec7.8°

Current: moderate

Typical visibility: 10 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

driftsalt Waterintermediate 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

Bunch whale

Megaptera novaeangliae

DeepLog13

Basking shark

Cetorhinus maximus

DeepLog1

Great Black-backed Gull

Larus marinus

Nearby OBIS observations24

Clupea harengus

Nearby OBIS observations12

Herring Gull

Larus argentatus

Nearby OBIS observations12

Hippoglossoides platessoides

Nearby OBIS observations8

Fin whale

Balaenoptera physalus

Nearby OBIS observations7

Homarus americanus

Nearby OBIS observations7

Northern Gannet

Morus bassanus

Nearby OBIS observations7

Black-legged Kittiwake

Rissa tridactyla

Nearby OBIS observations6

Gadus morhua

Nearby OBIS observations5

Melanogrammus aeglefinus

Nearby OBIS observations5

These are nearby biodiversity records, not a guarantee that every species will be seen on a particular dive.

DeepLog + OBIS →

Photos