Saint Maarten

Tent Reef

5–20 mMax Depth

boatEntry

25Species

Conditions Summary

Model forecast · local time (GMT-4)

Model conditions signal91/100

Waves

0.7 m

7.8 s

Swell

0.5 m

7.8 s

Current speed

0.4 km/h

flowing toward NW

Water temperature

29.7°C

Wind

21.6 km/h

→ E

Sea level

0.4 m

falling

WavesWatch

SwellCalm

Current speedCalm

Planning window

19:15–19:00

Calmest model window

Forecast Overview

Sun, Oct 18Watch

Waves0.7–0.8 mCurrent speed0.5 km/h maxWater temperature29.6°C

Mon, Oct 19Watch

Waves0.7–0.8 mCurrent speed0.6 km/h maxWater temperature29.6°C

Tue, Oct 20Challenging

Waves0.8–1.1 mCurrent speed0.6 km/h maxWater temperature29.7°C

TodayChallenging

Waves1.0–1.1 mCurrent speed0.8 km/h maxWater temperature29.7°C

Next 72 hours

19:00

Waves: 0.7 m

Current speed: 0.4 km/h

Water temperature: 29.7°C

01:00

Waves: 0.8 m

Current speed: 0.4 km/h

Water temperature: 29.5°C

07:00

Waves: 0.7 m

Current speed: 0.4 km/h

Water temperature: 29.5°C

13:00

Waves: 0.7 m

Current speed: 0.6 km/h

Water temperature: 29.7°C

19:00

Waves: 0.7 m

Current speed: 0.4 km/h

Water temperature: 29.7°C

01:00

Waves: 0.8 m

Current speed: 0.5 km/h

Water temperature: 29.5°C

07:00

Waves: 0.9 m

Current speed: 0.3 km/h

Water temperature: 29.4°C

13:00

Waves: 1.1 m

Current speed: 0.6 km/h

Water temperature: 30.0°C

19:00

Waves: 1.1 m

Current speed: 0.0 km/h

Water temperature: 29.8°C

01:00

Waves: 1.1 m

Current speed: 0.5 km/h

Water temperature: 29.6°C

07:00

Waves: 1.1 m

Current speed: 0.2 km/h

Water temperature: 29.5°C

13:00

Waves: 1.0 m

Current speed: 0.7 km/h

Water temperature: 29.9°C

Catalog depth5–20 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

Mar-Nov

Peak month

Sep 29.0°

Jan26.6°

Feb26.2°

Mar26.3°

Apr26.9°

May27.6°

Jun28.0°

Jul28.2°

Aug28.7°

Sep29.0°

Oct28.9°

Nov28.3°

Dec27.4°

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

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

Bluehead

Thalassoma bifasciatum

DeepLog4

Rosy razorfish

Xyrichtys martinicensis

DeepLog4

Banded butterflyfish

Chaetodon striatus

DeepLog3

Baldwin's serranid

Serranus baldwini

DeepLog2

Blue tang surgeonfish

Acanthurus coeruleus

DeepLog2

Red hind

Epinephelus guttatus

DeepLog2

Split-crown feather duster

Anamobaea orstedii

DeepLog2

Angelfish

Pomacanthus paru

DeepLog1

Beaded periwinkle

Cenchritis muricatus

DeepLog1

Coney

Cephalopholis fulva

DeepLog1

Cottonwick grunt

Haemulon melanurum

DeepLog1

Harlequin serranid

Serranus tigrinus

DeepLog1

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

DeepLog + OBIS →

Photos