United States

Nahant Beach

3–12 mMax Depth

shoreEntry

26Species

Conditions Summary

Model forecast · local time (GMT-4)

Model conditions signal100/100

Waves

0.4 m

4.5 s

Swell

0.3 m

3.5 s

Current speed

0.4 km/h

flowing toward SW

Water temperature

14.2°C

Wind

27.3 km/h

→ NW

Sea level

-0.6 m

rising

WavesCalm

SwellCalm

Current speedCalm

Planning window

02:00–03:00

Calmest model window

Forecast Overview

Sun, Oct 18Calm

Waves0.2–0.4 mCurrent speed0.6 km/h maxWater temperature14.1°C

Mon, Oct 19Calm

Waves0.2–0.8 mCurrent speed0.4 km/h maxWater temperature14.0°C

Tue, Oct 20Challenging

Waves0.8–1.3 mCurrent speed0.5 km/h maxWater temperature13.9°C

TodayChallenging

Waves1.2–1.3 mCurrent speed0.3 km/h maxWater temperature13.9°C

Next 72 hours

02:00

Waves: 0.4 m

Current speed: 0.4 km/h

Water temperature: 14.2°C

08:00

Waves: 0.3 m

Current speed: 0.3 km/h

Water temperature: 14.0°C

14:00

Waves: 0.2 m

Current speed: 0.2 km/h

Water temperature: 14.3°C

20:00

Waves: 0.2 m

Current speed: 0.6 km/h

Water temperature: 14.1°C

02:00

Waves: 0.2 m

Current speed: 0.2 km/h

Water temperature: 14.0°C

08:00

Waves: 0.3 m

Current speed: 0.3 km/h

Water temperature: 13.9°C

14:00

Waves: 0.5 m

Current speed: 0.4 km/h

Water temperature: 14.2°C

20:00

Waves: 0.7 m

Current speed: 0.2 km/h

Water temperature: 14.1°C

02:00

Waves: 0.9 m

Current speed: 0.2 km/h

Water temperature: 13.9°C

08:00

Waves: 1.1 m

Current speed: 0.3 km/h

Water temperature: 13.8°C

14:00

Waves: 1.3 m

Current speed: 0.5 km/h

Water temperature: 14.0°C

20:00

Waves: 1.1 m

Current speed: 0.2 km/h

Water temperature: 14.0°C

Catalog depth3–12 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 18.8°

Jan4.9°

Feb3.3°

Mar3.5°

Apr5.8°

May10.1°

Jun14.7°

Jul18.2°

Aug18.8°

Sep17.0°

Oct13.5°

Nov10.2°

Dec7.5°

Current: mild

Typical visibility: 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

shoresalt 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 moonsnail

Euspira heros

DeepLog14

Surfclam

Spisula solidissima

DeepLog7

Atlantic razor clam

Ensis leei

DeepLog5

Common periwinkle

Littorina littorea

DeepLog4

Threeline mudsnail

Ilyanassa trivittata

DeepLog4

Blue mussel

Mytilus edulis

DeepLog3

Periwinkle

Littorina obtusata

DeepLog3

Purple sand dollar

Echinarachnius parma

DeepLog3

Razor clam

Siliqua costata

DeepLog3

Cyanea fulva

DeepLog2

False angel wing

Petricolaria pholadiformis

DeepLog2

Little skate

Leucoraja erinaceus

DeepLog2

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

DeepLog + OBIS →

Photos