United States

Pomona

10–20 mMax Depth

34Species

Conditions Summary

Model forecast · local time (GMT-7)

Model conditions signal71/100

Waves

2.0 m

9.9 s

Swell

1.2 m

7.5 s

Current speed

1.0 km/h

flowing toward NW

Water temperature

15.5°C

Wind

12.9 km/h

→ N

Sea level

0.4 m

rising

WavesChallenging

SwellWatch

Current speedCalm

Forecast Overview

Sun, Oct 18Challenging

Waves2.0–2.3 mCurrent speed1.0 km/h maxWater temperature15.5°C

Mon, Oct 19Challenging

Waves1.7–2.2 mCurrent speed0.7 km/h maxWater temperature15.1°C

Tue, Oct 20Challenging

Waves1.7–2.5 mCurrent speed0.6 km/h maxWater temperature15.2°C

TodayChallenging

Waves1.9–2.0 mCurrent speed0.6 km/h maxWater temperature15.2°C

Next 72 hours

04:00

Waves: 2.0 m

Current speed: 1.0 km/h

Water temperature: 15.5°C

10:00

Waves: 2.2 m

Current speed: 0.8 km/h

Water temperature: 15.5°C

16:00

Waves: 2.3 m

Current speed: 0.7 km/h

Water temperature: 15.5°C

22:00

Waves: 2.2 m

Current speed: 0.7 km/h

Water temperature: 15.4°C

04:00

Waves: 2.2 m

Current speed: 0.5 km/h

Water temperature: 15.2°C

10:00

Waves: 2.0 m

Current speed: 0.5 km/h

Water temperature: 15.0°C

16:00

Waves: 1.8 m

Current speed: 0.2 km/h

Water temperature: 15.1°C

22:00

Waves: 1.7 m

Current speed: 0.3 km/h

Water temperature: 15.0°C

04:00

Waves: 2.0 m

Current speed: 0.4 km/h

Water temperature: 15.0°C

10:00

Waves: 2.4 m

Current speed: 0.5 km/h

Water temperature: 15.0°C

16:00

Waves: 2.4 m

Current speed: 0.6 km/h

Water temperature: 15.4°C

22:00

Waves: 2.1 m

Current speed: 0.5 km/h

Water temperature: 15.3°C

Catalog depth10–20 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

Jun-Oct

Peak month

Sep 12.8°

Jan11.6°

Feb11.7°

Mar11.4°

Apr10.8°

May10.7°

Jun10.7°

Jul11.3°

Aug12.1°

Sep12.8°

Oct12.7°

Nov12.4°

Dec11.9°

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.

Explore nearby centers on the map

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Dive Types

wrecksalt 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

Purple urchin purple urchin

Strongylocentrotus purpuratus

DeepLog6

Purple sea star

Pisaster ochraceus

DeepLog5

Bat star

Patiria miniata

DeepLog3

Red sea urchin

Mesocentrotus franciscanus

DeepLog3

Black katy

Katharina tunicata

DeepLog2

Black rockfish

Sebastes melanops

DeepLog2

California mussel

Mytilus californianus

DeepLog2

California sea cucumber

Apostichopus californicus

DeepLog2

Copper rockfish

Sebastes caurinus

DeepLog2

Green surf anemone

Anthopleura xanthogrammica

DeepLog2

Lined chiton

Tonicella lineata

DeepLog2

Northern clingfish

Gobiesox maeandricus

DeepLog2

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

DeepLog + OBIS →

Photos