Mexico

San Juan Reef

8–25 mMax Depth

boatEntry

21Species

Conditions Summary

Model forecast · local time (GMT-5)

Model conditions signal100/100

Waves

0.5 m

5.3 s

Swell

0.4 m

4.2 s

Current speed

0.6 km/h

flowing toward E

Water temperature

29.8°C

Wind

14.2 km/h

→ SE

Sea level

0.3 m

WavesCalm

SwellCalm

Current speedCalm

Planning window

02:45–02:00

Calmest model window

Forecast Overview

Fri, Oct 16Calm

Waves0.4–0.5 mCurrent speed1.0 km/h maxWater temperature29.8°C

Sat, Oct 17Calm

Waves0.3–0.4 mCurrent speed1.0 km/h maxWater temperature29.8°C

Sun, Oct 18Calm

Waves0.2–0.3 mCurrent speed0.8 km/h maxWater temperature29.9°C

Mon, Oct 19Calm

Waves0.3–0.3 mCurrent speed0.8 km/h maxWater temperature29.9°C

Next 72 hours

02:00

Waves: 0.5 m

Current speed: 0.6 km/h

Water temperature: 29.9°C

08:00

Waves: 0.5 m

Current speed: 0.4 km/h

Water temperature: 29.8°C

14:00

Waves: 0.5 m

Current speed: 0.6 km/h

Water temperature: 29.9°C

20:00

Waves: 0.5 m

Current speed: 1.0 km/h

Water temperature: 29.8°C

02:00

Waves: 0.4 m

Current speed: 0.9 km/h

Water temperature: 29.7°C

08:00

Waves: 0.3 m

Current speed: 0.6 km/h

Water temperature: 29.7°C

14:00

Waves: 0.3 m

Current speed: 0.6 km/h

Water temperature: 30.1°C

20:00

Waves: 0.3 m

Current speed: 0.7 km/h

Water temperature: 29.8°C

02:00

Waves: 0.3 m

Current speed: 0.7 km/h

Water temperature: 29.7°C

08:00

Waves: 0.2 m

Current speed: 0.7 km/h

Water temperature: 29.9°C

14:00

Waves: 0.2 m

Current speed: 0.4 km/h

Water temperature: 30.1°C

20:00

Waves: 0.3 m

Current speed: 0.7 km/h

Water temperature: 29.9°C

Catalog depth8–25 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

Year-round

Peak month

Sep 29.4°

Jan26.7°

Feb26.5°

Mar26.6°

Apr27.2°

May28.0°

Jun28.6°

Jul28.9°

Aug29.3°

Sep29.4°

Oct29.0°

Nov28.1°

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

reefsalt 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

Redbelly

Sparisoma viride

DeepLog4

Imbricata atlantic hawksbill

Eretmochelys imbricata

DeepLog3

Redband parrotfish

Sparisoma aurofrenatum

DeepLog2

Redfin parrotfish

Sparisoma rubripinne

DeepLog2

Sergeant-major

Abudefduf saxatilis

DeepLog2

Splendid toadfish

Sanopus splendidus

DeepLog2

American crocodile

Crocodylus acutus

DeepLog1

Bicolor Damselfish

Stegastes partitus

DeepLog1

Doctorfish

Acanthurus chirurgus

DeepLog1

Graysby

Cephalopholis cruentata

DeepLog1

Orange-band marginella

Volvarina avena

DeepLog1

Pillar coral

Dendrogyra cylindrus

DeepLog1

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

DeepLog + OBIS →

Photos