
Japan
Sunabe Seawall
5–20 mMax Depth
shoreEntry
13Species
Conditions Summary
Model forecast · local time (GMT+9)
Model conditions signal71/100
Waves
1.2 m
10.8 s
Swell
1.0 m
12.0 s
Current speed
1.4 km/h
flowing toward SW
Water temperature
28.1°C
Wind
15.8 km/h
→ NE
Sea level
0.6 m
rising
WavesChallenging
SwellWatch
Current speedCalm
Forecast Overview
TodayChallenging
Waves1.2–1.7 mCurrent speed1.5 km/h maxWater temperature28.2°C
TomorrowChallenging
Waves1.7–2.5 mCurrent speed1.7 km/h maxWater temperature28.0°C
Fri, Oct 23Challenging
Waves2.5–2.9 mCurrent speed1.7 km/h maxWater temperature27.9°C
Sat, Oct 24Challenging
Waves2.3–2.7 mCurrent speed1.7 km/h maxWater temperature27.9°C
Next 72 hours
Catalog depth5–20 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.
Updated: cached data
Open-Meteo Marine + Weather APIs →Dive readiness
Collecting the latest marine conditions and forecast signals.
Seasons · water temperature
12-month outlook
Best window
Apr-Nov
Peak month
Aug 28.9°
Jan22.3°
Feb21.5°
Mar21.5°
Apr22.5°
May24.5°
Jun26.6°
Jul28.6°
Aug28.9°
Sep28.3°
Oct27.0°
Nov25.3°
Dec23.7°
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
wallshoresalt 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
Pacific blue seastar
Linckia laevigata
DeepLog13
Mottled sea star
Nardoa tuberculata
DeepLog2
Sea cucumber
Holothuria atra
DeepLog2
Snowflake moray
Echidna nebulosa
DeepLog2
Turtlehead sea snake
Emydocephalus ijimae
DeepLog2
Butterflyfish
Chaetodon melannotus
DeepLog1
Comet
Calloplesiops altivelis
DeepLog1
Coral filefish
Oxymonacanthus longirostris
DeepLog1
Crocus giant clam
Tridacna crocea
DeepLog1
Holothuroids
Actinopyga varians
DeepLog1
Nudibranch
Phyllidia varicosa
DeepLog1
Sandperch
Parapercis millepunctata
DeepLog1
These are nearby biodiversity records, not a guarantee that every species will be seen on a particular dive.
DeepLog + OBIS →Photos



