Saint Maarten

Gregory

15–30 mMax Depth

boatEntry

33Species

Conditions Summary

Model forecast · local time (GMT-4)

Model conditions signal91/100

Waves

0.6 m

6.8 s

Swell

0.4 m

6.5 s

Current speed

0.6 km/h

flowing toward N

Water temperature

29.7°C

Wind

17.8 km/h

→ E

Sea level

0.4 m

falling

WavesWatch

SwellCalm

Current speedCalm

Planning window

17:30–17:00

Calmest model window

Forecast Overview

Sun, Oct 18Watch

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

Mon, Oct 19Watch

Waves0.5–0.6 mCurrent speed0.6 km/h maxWater temperature29.6°C

Tue, Oct 20Watch

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

TodayWatch

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

Next 72 hours

17:00

Waves: 0.6 m

Current speed: 0.6 km/h

Water temperature: 29.7°C

23:00

Waves: 0.6 m

Current speed: 0.4 km/h

Water temperature: 29.5°C

05:00

Waves: 0.6 m

Current speed: 0.2 km/h

Water temperature: 29.4°C

11:00

Waves: 0.5 m

Current speed: 0.4 km/h

Water temperature: 29.6°C

17:00

Waves: 0.5 m

Current speed: 0.4 km/h

Water temperature: 29.7°C

23:00

Waves: 0.6 m

Current speed: 0.3 km/h

Water temperature: 29.5°C

05:00

Waves: 0.7 m

Current speed: 0.2 km/h

Water temperature: 29.4°C

11:00

Waves: 0.9 m

Current speed: 0.5 km/h

Water temperature: 29.7°C

17:00

Waves: 0.9 m

Current speed: 0.4 km/h

Water temperature: 29.8°C

23:00

Waves: 0.9 m

Current speed: 0.4 km/h

Water temperature: 29.6°C

05:00

Waves: 0.9 m

Current speed: 0.2 km/h

Water temperature: 29.5°C

11:00

Waves: 0.9 m

Current speed: 0.4 km/h

Water temperature: 29.7°C

Catalog depth15–30 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

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

wrecksalt Wateradvanced 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

Brain coral

Pseudodiploria clivosa

DeepLog3

Porous coral

Porites astreoides

DeepLog2

Sand diver

Synodus intermedius

DeepLog2

Vasula deltoidea

DeepLog2

Angelfish

Pomacanthus paru

DeepLog1

Ballyhoo halfbeak

Hemiramphus brasiliensis

DeepLog1

Bermuda sea chub

Kyphosus sectatrix

DeepLog1

Blackear wrasse

Halichoeres poeyi

DeepLog1

Black urchin

Diadema antillarum

DeepLog1

Blue tang surgeonfish

Acanthurus coeruleus

DeepLog1

Boulder brain coral

Colpophyllia natans

DeepLog1

Brazil reef octopus

Octopus insularis

DeepLog1

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

DeepLog + OBIS →

Photos