United States

Castle Rock

13–31 mMax Depth

boatEntry

3Species

Conditions Summary

Model forecast · local time (GMT-7)

Model conditions signal61/100

Waves

1.3 m

12.4 s

Swell

0.9 m

13.7 s

Current speed

1.8 km/h

flowing toward NW

Water temperature

21.2°C

Wind

25.3 km/h

→ E

Sea level

0.5 m

rising

WavesChallenging

SwellWatch

Current speedWatch

Forecast Overview

Sat, Oct 17Challenging

Waves1.3–1.5 mCurrent speed2.1 km/h maxWater temperature21.2°C

Sun, Oct 18Challenging

Waves1.4–2.4 mCurrent speed1.3 km/h maxWater temperature21.0°C

Mon, Oct 19Challenging

Waves2.3–2.7 mCurrent speed1.0 km/h maxWater temperature20.6°C

Tue, Oct 20Challenging

Waves2.1–2.3 mCurrent speed0.6 km/h maxWater temperature20.3°C

Next 72 hours

07:00

Waves: 1.3 m

Current speed: 1.8 km/h

Water temperature: 21.2°C

13:00

Waves: 1.5 m

Current speed: 2.0 km/h

Water temperature: 21.2°C

19:00

Waves: 1.4 m

Current speed: 0.7 km/h

Water temperature: 21.1°C

01:00

Waves: 1.5 m

Current speed: 0.8 km/h

Water temperature: 21.0°C

07:00

Waves: 1.7 m

Current speed: 1.2 km/h

Water temperature: 21.0°C

13:00

Waves: 1.8 m

Current speed: 0.7 km/h

Water temperature: 21.1°C

19:00

Waves: 2.1 m

Current speed: 0.4 km/h

Water temperature: 21.1°C

01:00

Waves: 2.5 m

Current speed: 0.9 km/h

Water temperature: 20.8°C

07:00

Waves: 2.7 m

Current speed: 0.7 km/h

Water temperature: 20.6°C

13:00

Waves: 2.5 m

Current speed: 0.9 km/h

Water temperature: 20.6°C

19:00

Waves: 2.4 m

Current speed: 0.9 km/h

Water temperature: 20.5°C

01:00

Waves: 2.2 m

Current speed: 0.4 km/h

Water temperature: 20.3°C

Catalog depth13–31 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-Oct

Peak month

Sep 17.5°

Jan14.0°

Feb13.9°

Mar13.6°

Apr13.2°

May13.7°

Jun14.9°

Jul16.7°

Aug17.2°

Sep17.5°

Oct17.0°

Nov16.0°

Dec14.5°

Current: moderate

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

wallsalt 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

Black-spot porostome

Dendrodoris nigromaculata

DeepLog1

San diego dorid

Diaulula sandiegensis

DeepLog1

White frond-aeolis

Dendronotus albus

DeepLog1

Olive Or Yellowtail Rockfish

Sebastes

Nearby OBIS observations18

Macrocystis

Macrocystis pyrifera

Nearby OBIS observations13

Eastern Pacific Bonito

Sarda chiliensis

Nearby OBIS observations7

Garibaldi

Hypsypops rubicundus

Nearby OBIS observations7

Squarespot Rockfish

Sebastes hopkinsi

Nearby OBIS observations7

Banded Guitarfish

Zapteryx exasperata

Nearby OBIS observations5

Bocaccio

Sebastes paucispinis

Nearby OBIS observations5

Cabezon

Scorpaenichthys marmoratus

Nearby OBIS observations5

Halfmoon

Medialuna californiensis

Nearby OBIS observations5

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

DeepLog + OBIS →

Photos