Saint Maarten

Propose

5–25 mMax Depth

boatEntry

100Species

Conditions Summary

Model forecast · local time (GMT-4)

Model conditions signal91/100

Waves

0.6 m

6.2 s

Swell

0.4 m

6.3 s

Current speed

0.3 km/h

flowing toward NW

Water temperature

29.5°C

Wind

18.9 km/h

→ SE

Sea level

0.3 m

WavesWatch

SwellCalm

Current speedCalm

Planning window

00:45–00:00

Calmest model window

Forecast Overview

Mon, Oct 19Watch

Waves0.6–0.6 mCurrent speed0.6 km/h maxWater temperature29.6°C

Tue, Oct 20Watch

Waves0.6–1.0 mCurrent speed0.6 km/h maxWater temperature29.6°C

TodayWatch

Waves0.8–0.9 mCurrent speed0.6 km/h maxWater temperature29.7°C

Next 72 hours

00:00

Waves: 0.6 m

Current speed: 0.4 km/h

Water temperature: 29.5°C

06:00

Waves: 0.6 m

Current speed: 0.2 km/h

Water temperature: 29.4°C

12:00

Waves: 0.6 m

Current speed: 0.6 km/h

Water temperature: 29.7°C

18:00

Waves: 0.6 m

Current speed: 0.4 km/h

Water temperature: 29.7°C

00:00

Waves: 0.6 m

Current speed: 0.3 km/h

Water temperature: 29.5°C

06:00

Waves: 0.8 m

Current speed: 0.2 km/h

Water temperature: 29.4°C

12:00

Waves: 0.9 m

Current speed: 0.5 km/h

Water temperature: 29.8°C

18:00

Waves: 1.0 m

Current speed: 0.4 km/h

Water temperature: 29.8°C

00:00

Waves: 0.9 m

Current speed: 0.3 km/h

Water temperature: 29.6°C

06:00

Waves: 0.9 m

Current speed: 0.2 km/h

Water temperature: 29.5°C

12:00

Waves: 0.8 m

Current speed: 0.4 km/h

Water temperature: 29.8°C

18:00

Waves: 0.8 m

Current speed: 0.4 km/h

Water temperature: 29.8°C

Catalog depth5–25 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

Dec-Apr

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: mild

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

reefsalt 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

Orangespotted Fiiefish

Cantherhines pullus

DeepLog5

Bluehead

Thalassoma bifasciatum

DeepLog4

Coney

Cephalopholis fulva

DeepLog4

Rose coral

Manicina areolata

DeepLog4

Atlantic gray cowrie

Luria cinerea

DeepLog3

Gastropod

Felimare ruthae

DeepLog3

Interrupted periwinkle

Echinolittorina interrupta

DeepLog3

Magpie shell

Cittarium pica

DeepLog3

Porous coral

Porites astreoides

DeepLog3

Queen conch shell

Aliger gigas

DeepLog3

Red-brown ark

Barbatia cancellaria

DeepLog3

Sand diver

Synodus intermedius

DeepLog3

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

DeepLog + OBIS →

Photos