North America › United States of America (USA) › New Hampshire

Duck Island Isles of Shoals

3 mMax Depth

BoatEntry

1Species

Conditions Summary

Model forecast · local time (GMT-4)

Model conditions signal100/100

Waves

0.3 m

7.5 s

Swell

0.3 m

8.5 s

Current speed

0.6 km/h

flowing toward NE

Water temperature

13.4°C

Wind

18.3 km/h

→ SW

Sea level

0.1 m

rising

WavesCalm

SwellCalm

Current speedCalm

Planning window

04:45–04:00

Calmest model window

Forecast Overview

Mon, Oct 19Calm

Waves0.3–1.1 mCurrent speed0.6 km/h maxWater temperature13.6°C

Tue, Oct 20Challenging

Waves1.2–1.6 mCurrent speed0.4 km/h maxWater temperature13.5°C

Wed, Oct 21Challenging

Waves1.7–2.0 mCurrent speed0.8 km/h maxWater temperature13.3°C

TodayChallenging

Waves2.0–2.0 mCurrent speed0.4 km/h maxWater temperature13.2°C

Next 72 hours

04:00

Waves: 0.3 m

Current speed: 0.6 km/h

Water temperature: 13.4°C

10:00

Waves: 0.4 m

Current speed: 0.4 km/h

Water temperature: 13.5°C

16:00

Waves: 0.6 m

Current speed: 0.5 km/h

Water temperature: 13.7°C

22:00

Waves: 1.0 m

Current speed: 0.4 km/h

Water temperature: 13.6°C

04:00

Waves: 1.4 m

Current speed: 0.2 km/h

Water temperature: 13.5°C

10:00

Waves: 1.6 m

Current speed: 0.3 km/h

Water temperature: 13.5°C

16:00

Waves: 1.5 m

Current speed: 0.4 km/h

Water temperature: 13.5°C

22:00

Waves: 1.6 m

Current speed: 0.4 km/h

Water temperature: 13.4°C

04:00

Waves: 1.8 m

Current speed: 0.6 km/h

Water temperature: 13.3°C

10:00

Waves: 1.8 m

Current speed: 0.5 km/h

Water temperature: 13.3°C

16:00

Waves: 1.9 m

Current speed: 0.6 km/h

Water temperature: 13.3°C

22:00

Waves: 2.0 m

Current speed: 0.4 km/h

Water temperature: 13.2°C

Catalog depth3 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.

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Dive Types

OceanSalt Water

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

Seal

From site catalogue

Atlantic cod

Gadus morhua

Nearby OBIS observations157

Carcinus maenas

Nearby OBIS observations7

Somateria mollissima

Nearby OBIS observations6

Hemigrapsus sanguineus

Nearby OBIS observations3

Larus smithsonianus

Nearby OBIS observations3

Loktanella

Nearby OBIS observations3

blueback herring

Alosa aestivalis

Nearby OBIS observations3

Betaproteobacteria

Nearby OBIS observations2

Codium fragile

Nearby OBIS observations2

Formosa

Nearby OBIS observations2

Haliaeetus leucocephalus

Nearby OBIS observations2

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

OBIS source →

Photos