United States

San Nicholas Island

15–20 mMax Depth

boatEntry

25Species

Conditions Summary

Model forecast · local time (GMT-7)

Planning signal71/100

Waves

1.8 m

12.2 s

Swell

1.5 m

11.1 s

Current speed

0.9 km/h

flowing toward E

Water temperature

21.0°C

Wind

17.1 km/h

→ NW

Sea level

0.9 m

falling

WavesChallenging

SwellWatch

Current speedCalm

Forecast Overview

Sat, Sep 5Challenging

Waves1.8–1.8 mCurrent speed1.4 km/h maxWater temperature20.8°C

TodayChallenging

Waves1.8–1.9 mCurrent speed1.4 km/h maxWater temperature20.8°C

TomorrowChallenging

Waves1.7–2.0 mCurrent speed1.1 km/h maxWater temperature20.9°C

Tue, Sep 8Challenging

Waves1.4–1.7 mCurrent speed0.8 km/h maxWater temperature21.1°C

Next 72 hours

17:00

Waves: 1.8 m

Current speed: 0.9 km/h

Water temperature: 21.0°C

23:00

Waves: 1.8 m

Current speed: 1.3 km/h

Water temperature: 20.5°C

05:00

Waves: 1.9 m

Current speed: 1.1 km/h

Water temperature: 20.5°C

11:00

Waves: 1.8 m

Current speed: 1.1 km/h

Water temperature: 21.0°C

17:00

Waves: 1.8 m

Current speed: 0.7 km/h

Water temperature: 21.1°C

23:00

Waves: 1.9 m

Current speed: 1.3 km/h

Water temperature: 20.6°C

05:00

Waves: 2.0 m

Current speed: 0.7 km/h

Water temperature: 20.6°C

11:00

Waves: 2.0 m

Current speed: 0.6 km/h

Water temperature: 21.0°C

17:00

Waves: 1.9 m

Current speed: 0.6 km/h

Water temperature: 21.2°C

23:00

Waves: 1.7 m

Current speed: 0.6 km/h

Water temperature: 20.9°C

05:00

Waves: 1.6 m

Current speed: 0.2 km/h

Water temperature: 20.9°C

11:00

Waves: 1.5 m

Current speed: 0.4 km/h

Water temperature: 21.2°C

Catalog depth15–20 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

Not available

Peak month

Aug 18.3°

Jan14.2°

Feb14.2°

Mar14.2°

Apr14.1°

May14.8°

Jun16.0°

Jul17.6°

Aug18.3°

Sep18.2°

Oct17.6°

Nov16.4°

Dec14.8°

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

salt Waterintermediate Difficulty

Data source & current conditions

Profile facts were imported from DeepLog. ScubaProof adds nearby-center links and presents the recorded fields without treating missing data as confirmation. Conditions, access, permits, and site suitability can change; confirm them with a local operator before diving.

View the source profile →

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

Mcpeak anemone

Urticina mcpeaki

DeepLog3

Northern elephant seal

Mirounga angustirostris

DeepLog2

Orange stony coral

Balanophyllia elegans

DeepLog2

Black tegula

Tegula funebralis

DeepLog1

Bocaccio rockfish

Sebastes paucispinis

DeepLog1

Christmas tree worm

Spirobranchus spinosus

DeepLog1

Crested goby

Rhinogobiops nicholsii

DeepLog1

Egg yolk jelly

Phacellophora camtschatica

DeepLog1

Giant rock-scallop

Crassadoma gigantea

DeepLog1

Giant spined star

Pisaster giganteus

DeepLog1

Kelp bass

Paralabrax clathratus

DeepLog1

Lissothuria nutriens

DeepLog1

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

DeepLog + OBIS →

Photos