Saint Maarten

Near St. Barths

5–30 mMax Depth

boatEntry

10Species

Conditions Summary

Model forecast · local time (GMT-4)

Model conditions signal91/100

Waves

0.7 m

6.8 s

Swell

0.4 m

7.7 s

Current speed

0.3 km/h

flowing toward NW

Water temperature

29.5°C

Wind

18.4 km/h

→ E

Sea level

0.3 m

falling

WavesWatch

SwellCalm

Current speedCalm

Planning window

23:15–23:00

Calmest model window

Forecast Overview

Sun, Oct 18Watch

Waves0.7–0.7 mCurrent speed0.3 km/h maxWater temperature29.5°C

Mon, Oct 19Watch

Waves0.6–0.7 mCurrent speed0.6 km/h maxWater temperature29.6°C

Tue, Oct 20Watch

Waves0.6–0.7 mCurrent speed0.6 km/h maxWater temperature29.6°C

TodayWatch

Waves0.7–0.7 mCurrent speed0.6 km/h maxWater temperature29.7°C

Next 72 hours

23:00

Waves: 0.7 m

Current speed: 0.3 km/h

Water temperature: 29.5°C

05:00

Waves: 0.7 m

Current speed: 0.4 km/h

Water temperature: 29.4°C

11:00

Waves: 0.6 m

Current speed: 0.4 km/h

Water temperature: 29.6°C

17:00

Waves: 0.6 m

Current speed: 0.5 km/h

Water temperature: 29.7°C

23:00

Waves: 0.6 m

Current speed: 0.3 km/h

Water temperature: 29.6°C

05:00

Waves: 0.7 m

Current speed: 0.2 km/h

Water temperature: 29.5°C

11:00

Waves: 0.7 m

Current speed: 0.5 km/h

Water temperature: 29.7°C

17:00

Waves: 0.7 m

Current speed: 0.4 km/h

Water temperature: 29.8°C

23:00

Waves: 0.7 m

Current speed: 0.3 km/h

Water temperature: 29.6°C

05:00

Waves: 0.7 m

Current speed: 0.2 km/h

Water temperature: 29.5°C

11:00

Waves: 0.7 m

Current speed: 0.4 km/h

Water temperature: 29.7°C

17:00

Waves: 0.7 m

Current speed: 0.4 km/h

Water temperature: 29.8°C

Catalog depth5–30 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

Nov-Jul

Peak month

Sep 28.8°

Jan26.4°

Feb26.1°

Mar26.1°

Apr26.7°

May27.4°

Jun27.9°

Jul28.1°

Aug28.5°

Sep28.8°

Oct28.8°

Nov28.2°

Dec27.3°

Current: moderate

Typical visibility: 25 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

salt 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

Atlantic green turtle

Chelonia mydas

DeepLog7

Blacknose shark

Carcharhinus acronotus

DeepLog1

Blacktip shark

Carcharhinus limbatus

DeepLog1

Elkhorn coral

Acropora palmata

DeepLog1

Imbricata atlantic hawksbill

Eretmochelys imbricata

DeepLog1

Lemon shark

Negaprion brevirostris

DeepLog1

Nassau grouper

Epinephelus striatus

DeepLog1

Pallid goby

Coryphopterus eidolon

DeepLog1

Spotted eagle ray

Aetobatus narinari

DeepLog1

Staghorn coral

Acropora cervicornis

DeepLog1

Magnificent frigatebird

Fregata magnificens

Nearby OBIS observations54

Brown booby

Sula leucogaster

Nearby OBIS observations15

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

DeepLog + OBIS →

Photos