United States

Sibyl Marston

20–30 mMax Depth

11Species

Conditions Summary

Model forecast · local time (GMT-7)

Model conditions signal71/100

Waves

1.4 m

11.2 s

Swell

0.8 m

11.5 s

Current speed

0.5 km/h

flowing toward W

Water temperature

20.3°C

Wind

8.7 km/h

→ N

Sea level

0.1 m

rising

WavesChallenging

SwellWatch

Current speedCalm

Forecast Overview

Wed, Oct 14Challenging

Waves1.4–1.4 mCurrent speed0.5 km/h maxWater temperature20.3°C

Thu, Oct 15Challenging

Waves1.2–1.4 mCurrent speed0.8 km/h maxWater temperature20.5°C

Fri, Oct 16Challenging

Waves1.1–1.2 mCurrent speed0.8 km/h maxWater temperature21.0°C

Sat, Oct 17Challenging

Waves1.1–1.3 mCurrent speed0.5 km/h maxWater temperature21.5°C

Next 72 hours

23:00

Waves: 1.4 m

Current speed: 0.5 km/h

Water temperature: 20.3°C

05:00

Waves: 1.3 m

Current speed: 0.7 km/h

Water temperature: 20.2°C

11:00

Waves: 1.3 m

Current speed: 0.8 km/h

Water temperature: 20.3°C

17:00

Waves: 1.2 m

Current speed: 0.2 km/h

Water temperature: 20.9°C

23:00

Waves: 1.3 m

Current speed: 0.5 km/h

Water temperature: 20.8°C

05:00

Waves: 1.2 m

Current speed: 0.5 km/h

Water temperature: 20.7°C

11:00

Waves: 1.1 m

Current speed: 0.8 km/h

Water temperature: 20.8°C

17:00

Waves: 1.1 m

Current speed: 0.0 km/h

Water temperature: 21.4°C

23:00

Waves: 1.1 m

Current speed: 0.4 km/h

Water temperature: 21.2°C

05:00

Waves: 1.1 m

Current speed: 0.4 km/h

Water temperature: 21.2°C

11:00

Waves: 1.1 m

Current speed: 0.4 km/h

Water temperature: 21.3°C

17:00

Waves: 1.2 m

Current speed: 0.0 km/h

Water temperature: 22.0°C

Catalog depth20–30 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.

Updated: cached data

Open-Meteo Marine + Weather APIs →

Dive readiness

Collecting the latest marine conditions and forecast signals.

Seasons · water temperature

12-month outlook

Best window

Not available

Peak month

Oct 15.8°

Jan13.6°

Feb13.3°

Mar12.9°

Apr12.2°

May12.5°

Jun13.3°

Jul14.5°

Aug15.1°

Sep15.6°

Oct15.8°

Nov15.1°

Dec14.0°

Current: moderate

Typical visibility: 10 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

wrecksalt Wateradvanced 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

By the wind sailor

Velella velella

DeepLog14

Sand dollar

Dendraster excentricus

DeepLog11

Nuttall cockle

Clinocardium nuttallii

DeepLog7

California sea lion

Zalophus californianus

DeepLog4

Big skate

Beringraja binoculata

DeepLog1

Gumboot chiton

Cryptochiton stelleri

DeepLog1

Moon jelly

Aurelia labiata

DeepLog1

Pismo clam

Tivela stultorum

DeepLog1

Purple urchin purple urchin

Strongylocentrotus purpuratus

DeepLog1

Razor clam

Siliqua patula

DeepLog1

Transparent razor

Siliqua lucida

DeepLog1

Olive Or Yellowtail Rockfish

Sebastes

Nearby OBIS observations18

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

DeepLog + OBIS →

Photos