North America › United States of America (USA) › California

The Arch

3Species

Conditions Summary

Model forecast · local time (GMT-7)

Model conditions signal71/100

Waves

1.8 m

10.8 s

Swell

1.1 m

12.2 s

Current speed

0.8 km/h

flowing toward NW

Water temperature

21.3°C

Wind

15.0 km/h

→ W

Sea level

0.4 m

rising

WavesChallenging

SwellWatch

Current speedCalm

Forecast Overview

Tue, Oct 20Challenging

Waves1.3–1.8 mCurrent speed0.8 km/h maxWater temperature21.4°C

TodayChallenging

Waves1.3–1.5 mCurrent speed0.9 km/h maxWater temperature21.4°C

TomorrowChallenging

Waves1.3–1.5 mCurrent speed0.8 km/h maxWater temperature21.4°C

Fri, Oct 23Challenging

Waves1.6–1.8 mCurrent speed0.6 km/h maxWater temperature21.4°C

Next 72 hours

04:00

Waves: 1.8 m

Current speed: 0.8 km/h

Water temperature: 21.3°C

10:00

Waves: 1.6 m

Current speed: 0.4 km/h

Water temperature: 21.4°C

16:00

Waves: 1.4 m

Current speed: 0.2 km/h

Water temperature: 21.5°C

22:00

Waves: 1.3 m

Current speed: 0.5 km/h

Water temperature: 21.4°C

04:00

Waves: 1.4 m

Current speed: 0.9 km/h

Water temperature: 21.4°C

10:00

Waves: 1.4 m

Current speed: 0.8 km/h

Water temperature: 21.3°C

16:00

Waves: 1.5 m

Current speed: 0.6 km/h

Water temperature: 21.5°C

22:00

Waves: 1.4 m

Current speed: 0.6 km/h

Water temperature: 21.4°C

04:00

Waves: 1.4 m

Current speed: 0.8 km/h

Water temperature: 21.4°C

10:00

Waves: 1.3 m

Current speed: 0.4 km/h

Water temperature: 21.4°C

16:00

Waves: 1.3 m

Current speed: 0.4 km/h

Water temperature: 21.5°C

22:00

Waves: 1.5 m

Current speed: 0.3 km/h

Water temperature: 21.4°C

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.

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Dive Types

Ocean

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

Fish

From site catalogue

Sea lion

From site catalogue

Sunfish (mola mola)

From site catalogue

Macrocystis

Macrocystis pyrifera

Nearby OBIS observations15

Gopher, Copper Rockfish Young Of Year

Sebastes

Nearby OBIS observations8

Sardines And Anchovies

Clupeiformes

Nearby OBIS observations8

Honeycomb Rockfish

Sebastes umbrosus

Nearby OBIS observations6

Kelp Bass, Calico Bass

Paralabrax clathratus

Nearby OBIS observations6

Shiner Surfperch

Cymatogaster aggregata

Nearby OBIS observations6

Garibaldi

Hypsypops rubicundus

Nearby OBIS observations5

Senorita

Oxyjulis californica

Nearby OBIS observations5

Yellowtail

Seriola lalandi

Nearby OBIS observations5

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

OBIS source →

Photos