Catalina Islands

Costa Rica

Catalina Islands

20–20 mMax Depth
boatEntry
29Species

Conditions Summary

Model forecast · local time (GMT-6)

Model conditions signal71/100
Waves
1.2 m
11.7 s
Swell
0.9 m
10.7 s
Current speed
0.7 km/h
flowing toward S
Water temperature
30.5°C
Wind
7.9 km/h
→ SE
Sea level
0.9 m
rising
WavesChallenging
SwellWatch
Current speedCalm

Forecast Overview

Tue, Oct 20Challenging
Waves1.1–1.2 mCurrent speed1.0 km/h maxWater temperature30.5°C
TodayChallenging
Waves1.0–1.1 mCurrent speed1.1 km/h maxWater temperature30.7°C
TomorrowChallenging
Waves1.0–1.0 mCurrent speed0.8 km/h maxWater temperature30.6°C
Fri, Oct 23Watch
Waves1.0–1.0 mCurrent speed0.8 km/h maxWater temperature30.6°C
Next 72 hours
19:00
Waves: 1.2 m
Current speed: 0.7 km/h
Water temperature: 30.5°C
01:00
Waves: 1.1 m
Current speed: 0.9 km/h
Water temperature: 30.5°C
07:00
Waves: 1.0 m
Current speed: 0.8 km/h
Water temperature: 30.6°C
13:00
Waves: 1.0 m
Current speed: 1.1 km/h
Water temperature: 31.1°C
19:00
Waves: 1.0 m
Current speed: 0.8 km/h
Water temperature: 30.8°C
01:00
Waves: 1.0 m
Current speed: 0.8 km/h
Water temperature: 30.5°C
07:00
Waves: 1.0 m
Current speed: 0.8 km/h
Water temperature: 30.5°C
13:00
Waves: 1.0 m
Current speed: 0.7 km/h
Water temperature: 30.9°C
19:00
Waves: 1.0 m
Current speed: 0.6 km/h
Water temperature: 30.6°C
01:00
Waves: 1.0 m
Current speed: 0.8 km/h
Water temperature: 30.4°C
07:00
Waves: 1.0 m
Current speed: 0.6 km/h
Water temperature: 30.3°C
13:00
Waves: 1.0 m
Current speed: 0.8 km/h
Water temperature: 30.9°C
Catalog depth20 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

May 28.9°

Jan27.2°
Feb26.9°
Mar27.2°
Apr28.5°
May28.9°
Jun28.9°
Jul28.8°
Aug28.9°
Sep28.9°
Oct28.3°
Nov27.6°
Dec27.4°
Current: mild
Typical visibility: 7.5 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.

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Dive Types

reefdriftsalt 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
White-spotted puffer
Arothron hispidus
DeepLog3
Cortez rainbow wrasse
Thalassoma lucasanum
DeepLog2
Guineafowl puffer
Arothron meleagris
DeepLog2
Spot-fin porcupinefish
Diodon hystrix
DeepLog2
Whitetip reef shark
Triaenodon obesus
DeepLog2
Acapulco major
Stegastes acapulcoensis
DeepLog1
Beaubrummel
Stegastes flavilatus
DeepLog1
Diadema mexicanum
DeepLog1
Fishgod blenny
Malacoctenus ebisui
DeepLog1
Golden trevally
Gnathanodon speciosus
DeepLog1
Gorgona guitarfish
Pseudobatos prahli
DeepLog1
Hancock's blenny
Acanthemblemaria hancocki
DeepLog1
These are nearby biodiversity records, not a guarantee that every species will be seen on a particular dive.
DeepLog + OBIS →

Photos

Catalina Islands photo 2
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