Asia › Japan › Tokyo
Gyosho
20 mMax Depth
BoatEntry
Conditions Summary
Model forecast · local time (GMT+9)
Model conditions signal61/100
Waves
1.0 m
6.8 s
Swell
1.0 m
6.0 s
Current speed
1.9 km/h
flowing toward SE
Water temperature
25.6°C
Wind
21.8 km/h
→ S
Sea level
0.5 m
falling
WavesChallenging
SwellWatch
Current speedWatch
Forecast Overview
Sun, Oct 18Challenging
Waves1.0–1.1 mCurrent speed2.0 km/h maxWater temperature25.6°C
TodayChallenging
Waves1.1–1.4 mCurrent speed2.1 km/h maxWater temperature25.6°C
TomorrowChallenging
Waves1.3–1.5 mCurrent speed2.2 km/h maxWater temperature25.4°C
Wed, Oct 21Challenging
Waves1.5–2.9 mCurrent speed2.1 km/h maxWater temperature25.2°C
Next 72 hours
Catalog depth20 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.
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Dive Types
OceanSalt Water
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
Decapoda
Nearby OBIS observations5
Serratosagitta pacifica
Nearby OBIS observations5
Chaetoceros affinis
Nearby OBIS observations4
Corycaeus
Nearby OBIS observations4
Ctenocalanus vanus
Nearby OBIS observations4
Candacia
Nearby OBIS observations3
Clausocalanus pergens
Nearby OBIS observations3
Diphyes dispar
Nearby OBIS observations3
Flaccisagitta enflata
Nearby OBIS observations3
Lucifer
Nearby OBIS observations3
Navicula
Nearby OBIS observations3
Oikopleura
Nearby OBIS observations3
These are nearby biodiversity records, not a guarantee that every species will be seen on a particular dive.
OBIS source →