United States

Hawthorne Reef

21.3–27.4 mMax Depth

boatEntry

10Species

Conditions Summary

Model forecast · local time (GMT-7)

Model conditions signal91/100

Waves

0.9 m

11.3 s

Swell

0.6 m

10.4 s

Current speed

1.2 km/h

flowing toward NW

Water temperature

22.6°C

Wind

9.5 km/h

→ SW

Sea level

0.2 m

falling

WavesWatch

SwellCalm

Current speedCalm

Forecast Overview

Tue, Oct 20Watch

Waves0.9–0.9 mCurrent speed1.2 km/h maxWater temperature22.6°C

TodayWatch

Waves0.9–1.0 mCurrent speed1.8 km/h maxWater temperature22.5°C

TomorrowWatch

Waves0.9–1.1 mCurrent speed1.8 km/h maxWater temperature22.5°C

Fri, Oct 23Watch

Waves0.9–1.1 mCurrent speed2.1 km/h maxWater temperature22.7°C

Next 72 hours

21:00

Waves: 0.9 m

Current speed: 1.2 km/h

Water temperature: 22.6°C

03:00

Waves: 0.9 m

Current speed: 1.2 km/h

Water temperature: 22.5°C

09:00

Waves: 0.9 m

Current speed: 1.3 km/h

Water temperature: 22.4°C

15:00

Waves: 0.9 m

Current speed: 1.5 km/h

Water temperature: 22.6°C

21:00

Waves: 1.0 m

Current speed: 1.5 km/h

Water temperature: 22.6°C

03:00

Waves: 0.9 m

Current speed: 1.7 km/h

Water temperature: 22.5°C

09:00

Waves: 0.9 m

Current speed: 1.8 km/h

Water temperature: 22.5°C

15:00

Waves: 0.9 m

Current speed: 1.4 km/h

Water temperature: 22.6°C

21:00

Waves: 1.0 m

Current speed: 1.4 km/h

Water temperature: 22.6°C

03:00

Waves: 1.1 m

Current speed: 1.7 km/h

Water temperature: 22.5°C

09:00

Waves: 1.0 m

Current speed: 2.1 km/h

Water temperature: 22.6°C

15:00

Waves: 1.0 m

Current speed: 1.4 km/h

Water temperature: 22.8°C

Catalog depth21.3–27.4 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

Aug 20.2°

Jan14.9°

Feb14.8°

Mar14.8°

Apr15.1°

May16.6°

Jun18.2°

Jul19.7°

Aug20.2°

Sep20.0°

Oct19.0°

Nov17.3°

Dec15.6°

Current: mild

Typical visibility: 7.5 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.

Nearby live cameras

Check the water around Hawthorne Reef before you dive. Feeds are provided by third parties and may occasionally be offline.

4 cameras

California Department of Transportation

9.1 km awayOpenStreetMap

Open

traffic

Check is getting oldLast checked 47h ago

External source · live video is not independently verified

No history is stored for this external source.

Public feedCatalogued Oct 19, 2026

Public live camera

34.5 km awayOpenStreetMap

Open

Check is getting oldLast checked 47h ago

External source · live video is not independently verified

No history is stored for this external source.

Public feedCatalogued Oct 19, 2026

Public live camera

45.4 km awayOpenStreetMap

Open

Check is getting oldLast checked 47h ago

External source · live video is not independently verified

No history is stored for this external source.

Public feedCatalogued Oct 19, 2026

Public live camera

46.2 km awayOpenStreetMap

Open

Check is getting oldLast checked 47h ago

External source · live video is not independently verified

No history is stored for this external source.

Public feedCatalogued Oct 19, 2026

Live availability is controlled by each camera provider. Use the feed as a quick surface check and confirm current conditions with a local dive operator.

Explore nearby centers on the map

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Dive Types

reefsalt 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 tegula

Tegula funebralis

DeepLog1

Brittle star

Ophiopteris papillosa

DeepLog1

Doriopsilla gemela

DeepLog1

Grey whale

Eschrichtius robustus

DeepLog1

Ophionereis annulata

DeepLog1

Pacific bottlenose dolphin

Tursiops truncatus

DeepLog1

Purple urchin purple urchin

Strongylocentrotus purpuratus

DeepLog1

Stenoplax conspicua

DeepLog1

Sun anemone

Anthopleura sola

DeepLog1

Yellowfin fringehead

Neoclinus stephensae

DeepLog1

giant kelp

Macrocystis pyrifera

Nearby OBIS observations21

Wavy Turban Snail

Megastraea undosa

Nearby OBIS observations12

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

DeepLog + OBIS →

Photos