Inner Underwater Island

United States

Inner Underwater Island

15–35 mMax Depth
boatEntry
3Species

Conditions Summary

Model forecast · local time (GMT-7)

Model conditions signal91/100
Waves
0.7 m
13.8 s
Swell
0.5 m
12.8 s
Current speed
1.3 km/h
flowing toward NW
Water temperature
21.5°C
Wind
8.9 km/h
→ NE
Sea level
0.5 m
rising
WavesWatch
SwellCalm
Current speedCalm
Planning window
05:15–05:00
Calmest model window

Forecast Overview

Sun, Oct 18Watch
Waves0.7–0.9 mCurrent speed1.3 km/h maxWater temperature21.9°C
Mon, Oct 19Watch
Waves0.9–1.3 mCurrent speed1.0 km/h maxWater temperature21.9°C
Tue, Oct 20Watch
Waves0.9–1.3 mCurrent speed0.7 km/h maxWater temperature21.8°C
TodayWatch
Waves0.8–0.9 mCurrent speed0.9 km/h maxWater temperature21.8°C
Next 72 hours
05:00
Waves: 0.7 m
Current speed: 1.3 km/h
Water temperature: 21.5°C
11:00
Waves: 0.7 m
Current speed: 0.9 km/h
Water temperature: 21.8°C
17:00
Waves: 0.8 m
Current speed: 0.3 km/h
Water temperature: 22.3°C
23:00
Waves: 0.9 m
Current speed: 0.5 km/h
Water temperature: 21.7°C
05:00
Waves: 0.9 m
Current speed: 0.8 km/h
Water temperature: 21.7°C
11:00
Waves: 0.9 m
Current speed: 0.5 km/h
Water temperature: 21.9°C
17:00
Waves: 1.0 m
Current speed: 0.3 km/h
Water temperature: 22.2°C
23:00
Waves: 1.3 m
Current speed: 0.2 km/h
Water temperature: 21.8°C
05:00
Waves: 1.1 m
Current speed: 0.4 km/h
Water temperature: 21.7°C
11:00
Waves: 0.9 m
Current speed: 0.6 km/h
Water temperature: 21.8°C
17:00
Waves: 0.9 m
Current speed: 0.7 km/h
Water temperature: 22.0°C
23:00
Waves: 0.9 m
Current speed: 0.6 km/h
Water temperature: 21.8°C
Catalog depth15–35 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

Aug 19.0°

Jan14.5°
Feb14.4°
Mar14.2°
Apr14.2°
May15.2°
Jun16.9°
Jul18.6°
Aug19.0°
Sep19.0°
Oct18.3°
Nov16.8°
Dec15.1°
Current: mild
Typical visibility: 12 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

boatpinnaclesalt 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

12 km · nearby observations
California black sea hare
Aplysia vaccaria
DeepLog1
Ocean whitefish
Caulolatilus princeps
DeepLog1
Vermilion rockfish
Sebastes miniatus
DeepLog1
Olive Or Yellowtail Rockfish
Sebastes
Nearby OBIS observations17
Walleye Surfperch
Hyperprosopon argenteum
Nearby OBIS observations6
blacksmith
Chromis punctipinnis
Nearby OBIS observations6
giant kelp
Macrocystis pyrifera
Nearby OBIS observations6
Bat Ray
Myliobatis californica
Nearby OBIS observations5
California Halibut
Paralichthys californicus
Nearby OBIS observations5
California Sheephead
Bodianus pulcher
Nearby OBIS observations5
Porifera
Nearby OBIS observations5
Sharpnose Surfperch
Phanerodon atripes
Nearby OBIS observations5
These are nearby biodiversity records, not a guarantee that every species will be seen on a particular dive.
DeepLog + OBIS →

Photos

Inner Underwater Island photo 2
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