Dirty Rock

Costa Rica

Dirty Rock

29–35 mMax Depth
boatEntry
38Species

Conditions Summary

Model forecast · local time (GMT-6)

Model conditions signal61/100
Waves
1.8 m
10.9 s
Swell
1.0 m
8.4 s
Current speed
1.9 km/h
flowing toward E
Water temperature
29.3°C
Wind
9.9 km/h
→ W
Sea level
0.7 m
falling
WavesChallenging
SwellWatch
Current speedWatch

Forecast Overview

Mon, Oct 19Challenging
Waves1.8–1.8 mCurrent speed1.9 km/h maxWater temperature29.3°C
Tue, Oct 20Challenging
Waves1.6–1.8 mCurrent speed2.5 km/h maxWater temperature29.4°C
TodayChallenging
Waves1.5–1.6 mCurrent speed2.2 km/h maxWater temperature29.6°C
TomorrowChallenging
Waves1.4–1.5 mCurrent speed1.8 km/h maxWater temperature29.7°C
Next 72 hours
23:00
Waves: 1.8 m
Current speed: 1.9 km/h
Water temperature: 29.3°C
05:00
Waves: 1.7 m
Current speed: 2.1 km/h
Water temperature: 29.2°C
11:00
Waves: 1.7 m
Current speed: 2.3 km/h
Water temperature: 29.6°C
17:00
Waves: 1.7 m
Current speed: 2.3 km/h
Water temperature: 29.5°C
23:00
Waves: 1.6 m
Current speed: 1.8 km/h
Water temperature: 29.4°C
05:00
Waves: 1.5 m
Current speed: 1.8 km/h
Water temperature: 29.2°C
11:00
Waves: 1.5 m
Current speed: 2.1 km/h
Water temperature: 29.6°C
17:00
Waves: 1.5 m
Current speed: 2.0 km/h
Water temperature: 29.9°C
23:00
Waves: 1.5 m
Current speed: 2.0 km/h
Water temperature: 29.6°C
05:00
Waves: 1.5 m
Current speed: 1.5 km/h
Water temperature: 29.4°C
11:00
Waves: 1.4 m
Current speed: 1.4 km/h
Water temperature: 29.9°C
17:00
Waves: 1.4 m
Current speed: 1.5 km/h
Water temperature: 29.9°C
Catalog depth29–35 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

Jun-Nov

Peak month

Mar 29.3°

Jan28.0°
Feb28.9°
Mar29.3°
Apr29.1°
May28.6°
Jun28.0°
Jul27.7°
Aug27.4°
Sep27.2°
Oct26.9°
Nov26.7°
Dec27.1°
Current: strong
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.

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Dive Types

pinnaclesalt 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
Pacific creolefish
Cephalopholis colonus
DeepLog5
Blue and gold snapper
Lutjanus viridis
DeepLog4
Blotcheye soldierfish
Myripristis berndti
DeepLog3
Coral hawkfish
Cirrhitichthys oxycephalus
DeepLog3
Leiaster coriaceus
DeepLog3
Lythrypnus cobalus
DeepLog3
Mexican hogfish
Bodianus diplotaenia
DeepLog3
Black jack
Caranx lugubris
DeepLog2
Bluefin trevally
Caranx melampygus
DeepLog2
Honeycomb coral
Gardineroseris planulata
DeepLog2
Jordan's snapper
Lutjanus jordani
DeepLog2
Leather bass
Dermatolepis dermatolepis
DeepLog2
These are nearby biodiversity records, not a guarantee that every species will be seen on a particular dive.
DeepLog + OBIS →

Photos

Dirty Rock photo 2
Dirty Rock photo 3
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