United States
Yo 257 / San Perdo
18–30 mMax Depth
boatEntry
45Species
Conditions Summary
Model forecast · local time (GMT-10)
Model conditions signal81/100
Waves
1.2 m
9.3 s
Swell
0.8 m
11.5 s
Current speed
0.6 km/h
flowing toward SW
Water temperature
26.7°C
Wind
21.2 km/h
→ NE
Sea level
0.5 m
falling
WavesChallenging
SwellCalm
Current speedCalm
Forecast Overview
Sat, Oct 17Challenging
Waves1.2–1.3 mCurrent speed1.4 km/h maxWater temperature26.6°C
Sun, Oct 18Challenging
Waves1.3–1.4 mCurrent speed1.4 km/h maxWater temperature26.6°C
Mon, Oct 19Challenging
Waves1.3–1.4 mCurrent speed1.1 km/h maxWater temperature26.6°C
Tue, Oct 20Challenging
Waves1.3–1.4 mCurrent speed1.1 km/h maxWater temperature26.5°C
Next 72 hours
Catalog depth18–30 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
May-Sep
Peak month
Sep 26.8°
Jan24.4°
Feb24.0°
Mar24.0°
Apr24.4°
May25.0°
Jun25.7°
Jul26.0°
Aug26.5°
Sep26.8°
Oct26.7°
Nov26.0°
Dec25.1°
Current: mild
Typical visibility: 20 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
Melampus castaneus
DeepLog5
Quilted melania
Tarebia granifera
DeepLog3
Rectangular false cockle
Cardita variegata
DeepLog3
Reef triggerfish
Rhinecanthus rectangulus
DeepLog3
Zebra horn
Cerithium zebrum
DeepLog3
Cerith
Cerithium atromarginatum
DeepLog2
Euplica varians
DeepLog2
Graphicomassa margarita
DeepLog2
Heliacus implexus
DeepLog2
Moorish idol
Zanclus cornutus
DeepLog2
Purpurcapsula exigua
DeepLog2
Trivirostra hordacea
DeepLog2
These are nearby biodiversity records, not a guarantee that every species will be seen on a particular dive.
DeepLog + OBIS →Photos
