United States

Arch Reef

18–22 mMax Depth

boatEntry

6Species

Conditions Summary

Model forecast · local time (GMT-7)

Planning signal62/100

Waves

1.8 m

12.6 s

Swell

1.5 m

10.3 s

Current speed

1.2 km/h

flowing toward SE

Water temperature

22.3°C

Wind

11.6 km/h

→ NW

Sea level

0.9 m

rising

WavesChallenging

SwellChallenging

Current speedCalm

Forecast Overview

TodayChallenging

Waves1.8–1.8 mCurrent speed1.3 km/h maxWater temperature22.1°C

TomorrowChallenging

Waves1.9–2.0 mCurrent speed1.4 km/h maxWater temperature21.9°C

Mon, Sep 7Challenging

Waves1.8–2.0 mCurrent speed0.9 km/h maxWater temperature22.1°C

Tue, Sep 8Challenging

Waves1.4–1.7 mCurrent speed0.7 km/h maxWater temperature22.1°C

Next 72 hours

15:00

Waves: 1.8 m

Current speed: 1.0 km/h

Water temperature: 22.2°C

21:00

Waves: 1.8 m

Current speed: 1.3 km/h

Water temperature: 21.9°C

03:00

Waves: 1.9 m

Current speed: 1.4 km/h

Water temperature: 21.7°C

09:00

Waves: 2.0 m

Current speed: 0.8 km/h

Water temperature: 21.7°C

15:00

Waves: 2.0 m

Current speed: 0.8 km/h

Water temperature: 22.0°C

21:00

Waves: 2.0 m

Current speed: 1.0 km/h

Water temperature: 22.0°C

03:00

Waves: 2.0 m

Current speed: 0.6 km/h

Water temperature: 21.9°C

09:00

Waves: 2.0 m

Current speed: 0.6 km/h

Water temperature: 21.9°C

15:00

Waves: 2.0 m

Current speed: 0.9 km/h

Water temperature: 22.3°C

21:00

Waves: 1.8 m

Current speed: 0.5 km/h

Water temperature: 22.3°C

03:00

Waves: 1.7 m

Current speed: 0.4 km/h

Water temperature: 22.1°C

09:00

Waves: 1.5 m

Current speed: 0.4 km/h

Water temperature: 22.1°C

Catalog depth18–22 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

Jul-Nov

Peak month

Aug 19.6°

Jan14.7°

Feb14.6°

Mar14.7°

Apr14.9°

May15.9°

Jun17.2°

Jul18.8°

Aug19.6°

Sep19.3°

Oct18.5°

Nov16.9°

Dec15.3°

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

reefsalt 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

California sea lion

Zalophus californianus

DeepLog2

Crested goby

Rhinogobiops nicholsii

DeepLog2

Bat star

Patiria miniata

DeepLog1

California sheephead

Bodianus pulcher

DeepLog1

Northern elephant seal

Mirounga angustirostris

DeepLog1

Pacific ancula

Ancula pacifica

DeepLog1

Macrocystis

Macrocystis pyrifera

Nearby OBIS observations15

Gopher, Copper Rockfish Young Of Year

Sebastes

Nearby OBIS observations13

Senorita

Oxyjulis californica

Nearby OBIS observations8

Garibaldi

Hypsypops rubicundus

Nearby OBIS observations6

Blacksmith

Chromis punctipinnis

Nearby OBIS observations5

California Barracuda

Sphyraena argentea

Nearby OBIS observations5

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

DeepLog + OBIS →

Photos