Costa Rica

Middle Reef

6.1–12.2 mMax Depth

boatEntry

35Species

Conditions Summary

Model forecast · local time (GMT-6)

Model conditions signal71/100

Waves

1.7 m

13.3 s

Swell

1.4 m

13.8 s

Current speed

0.5 km/h

flowing toward S

Water temperature

30.1°C

Wind

1.3 km/h

→ E

Sea level

0.2 m

falling

WavesChallenging

SwellWatch

Current speedCalm

Forecast Overview

Sat, Oct 17Challenging

Waves1.7–1.7 mCurrent speed0.5 km/h maxWater temperature30.1°C

Sun, Oct 18Challenging

Waves1.6–1.7 mCurrent speed0.7 km/h maxWater temperature30.2°C

Mon, Oct 19Challenging

Waves1.4–1.6 mCurrent speed0.7 km/h maxWater temperature30.2°C

Tue, Oct 20Challenging

Waves1.3–1.4 mCurrent speed0.9 km/h maxWater temperature30.4°C

Next 72 hours

23:00

Waves: 1.7 m

Current speed: 0.5 km/h

Water temperature: 30.1°C

05:00

Waves: 1.7 m

Current speed: 0.7 km/h

Water temperature: 29.9°C

11:00

Waves: 1.7 m

Current speed: 0.4 km/h

Water temperature: 30.6°C

17:00

Waves: 1.7 m

Current speed: 0.0 km/h

Water temperature: 30.3°C

23:00

Waves: 1.6 m

Current speed: 0.2 km/h

Water temperature: 30.1°C

05:00

Waves: 1.5 m

Current speed: 0.4 km/h

Water temperature: 29.9°C

11:00

Waves: 1.5 m

Current speed: 0.6 km/h

Water temperature: 30.5°C

17:00

Waves: 1.4 m

Current speed: 0.5 km/h

Water temperature: 30.4°C

23:00

Waves: 1.4 m

Current speed: 0.6 km/h

Water temperature: 30.2°C

05:00

Waves: 1.4 m

Current speed: 0.5 km/h

Water temperature: 30.1°C

11:00

Waves: 1.3 m

Current speed: 0.8 km/h

Water temperature: 30.7°C

17:00

Waves: 1.4 m

Current speed: 0.7 km/h

Water temperature: 30.6°C

Catalog depth6.1–12.2 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

Apr 29.4°

Jan28.7°

Feb28.9°

Mar29.3°

Apr29.4°

May29.2°

Jun28.9°

Jul28.9°

Aug28.9°

Sep28.6°

Oct28.1°

Nov27.8°

Dec28.2°

Current: mild

Typical visibility: 20 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

American crocodile

Crocodylus acutus

DeepLog14

Night sergeant

Abudefduf concolor

DeepLog4

Agassiz's sidegill

Berthella agassizii

DeepLog1

Antonio's nudibranch

Mexichromis antonii

DeepLog1

Blacknosed butterflyfish

Johnrandallia nigrirostris

DeepLog1

Bluntspine blenny

Acanthemblemaria exilispinus

DeepLog1

Colorado snapper

Lutjanus colorado

DeepLog1

Coral hawkfish

Cirrhitichthys oxycephalus

DeepLog1

Cortez angelfish

Pomacanthus zonipectus

DeepLog1

Cortez rainbow wrasse

Thalassoma lucasanum

DeepLog1

Deer cowry

Macrocypraea cervinetta

DeepLog1

Diadema mexicanum

DeepLog1

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

DeepLog + OBIS →

Photos