United States

Yokohama Bay

3–12 mMax Depth

shoreEntry

42Species

Conditions Summary

Model forecast · local time (GMT-10)

Model conditions signal81/100

Waves

1.2 m

8.9 s

Swell

0.6 m

8.2 s

Current speed

1.0 km/h

flowing toward SE

Water temperature

27.2°C

Wind

18.6 km/h

→ NE

Sea level

0.4 m

rising

WavesChallenging

SwellCalm

Current speedCalm

Forecast Overview

Mon, Oct 19Challenging

Waves1.2–1.2 mCurrent speed1.0 km/h maxWater temperature27.2°C

Tue, Oct 20Challenging

Waves1.0–1.2 mCurrent speed1.7 km/h maxWater temperature27.2°C

TodayWatch

Waves1.0–1.0 mCurrent speed2.3 km/h maxWater temperature27.2°C

TomorrowWatch

Waves0.9–1.0 mCurrent speed2.7 km/h maxWater temperature27.2°C

Next 72 hours

19:00

Waves: 1.2 m

Current speed: 1.0 km/h

Water temperature: 27.2°C

01:00

Waves: 1.1 m

Current speed: 1.7 km/h

Water temperature: 27.1°C

07:00

Waves: 1.2 m

Current speed: 1.4 km/h

Water temperature: 27.1°C

13:00

Waves: 1.1 m

Current speed: 0.7 km/h

Water temperature: 27.3°C

19:00

Waves: 1.1 m

Current speed: 1.2 km/h

Water temperature: 27.2°C

01:00

Waves: 1.0 m

Current speed: 1.5 km/h

Water temperature: 27.1°C

07:00

Waves: 1.0 m

Current speed: 1.5 km/h

Water temperature: 27.1°C

13:00

Waves: 1.0 m

Current speed: 0.4 km/h

Water temperature: 27.5°C

19:00

Waves: 1.0 m

Current speed: 0.8 km/h

Water temperature: 27.2°C

01:00

Waves: 0.9 m

Current speed: 0.6 km/h

Water temperature: 27.1°C

07:00

Waves: 0.9 m

Current speed: 0.9 km/h

Water temperature: 27.0°C

13:00

Waves: 0.9 m

Current speed: 0.7 km/h

Water temperature: 27.4°C

Catalog depth3–12 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

Apr-Oct

Peak month

Sep 27.0°

Jan24.5°

Feb24.2°

Mar24.2°

Apr24.5°

May25.2°

Jun25.8°

Jul26.2°

Aug26.6°

Sep27.0°

Oct26.9°

Nov26.2°

Dec25.2°

Current: mild

Typical visibility: 15 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

shorereefsalt Waterbeginner 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

Dotted periwinkle

Littoraria pintado

DeepLog4

Rockskipper

Istiblennius zebra

DeepLog4

Red pencil urchin

Heterocentrotus mamillatus

DeepLog3

Bunch whale

Megaptera novaeangliae

DeepLog2

Cat cone

Conus catus

DeepLog2

Colobocentrotus atratus

DeepLog2

Phoenix damsel

Plectroglyphidodon phoenixensis

DeepLog2

Widebar damsel

Plectroglyphidodon johnstonianus

DeepLog2

Acar plicata

DeepLog1

Arc-eye hawkfish

Paracirrhites arcatus

DeepLog1

Blackspot sergeant

Abudefduf sordidus

DeepLog1

Black triggerfish

Melichthys niger

DeepLog1

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

DeepLog + OBIS →

Photos