Caribbean › United States Virgin Islands › St Thomas

Calf Rock

10–35 mMax Depth

BoatEntry

86Species

Conditions Summary

Model forecast · local time (GMT-4)

Model conditions signal81/100

Waves

0.7 m

9.1 s

Swell

0.5 m

9.8 s

Current speed

2.3 km/h

flowing toward NW

Water temperature

29.7°C

Wind

16.7 km/h

→ S

Sea level

0.3 m

rising

WavesWatch

SwellCalm

Current speedWatch

Planning window

00:30–00:00

Calmest model window

Forecast Overview

TodayWatch

Waves0.6–0.7 mCurrent speed2.7 km/h maxWater temperature29.8°C

TomorrowWatch

Waves0.6–0.7 mCurrent speed3.1 km/h maxWater temperature29.8°C

Fri, Oct 23Watch

Waves0.7–1.1 mCurrent speed3.4 km/h maxWater temperature29.8°C

Next 72 hours

00:00

Waves: 0.7 m

Current speed: 2.0 km/h

Water temperature: 29.7°C

06:00

Waves: 0.7 m

Current speed: 1.5 km/h

Water temperature: 29.6°C

12:00

Waves: 0.6 m

Current speed: 1.9 km/h

Water temperature: 29.9°C

18:00

Waves: 0.6 m

Current speed: 0.9 km/h

Water temperature: 29.9°C

00:00

Waves: 0.6 m

Current speed: 1.2 km/h

Water temperature: 29.8°C

06:00

Waves: 0.6 m

Current speed: 0.9 km/h

Water temperature: 29.7°C

12:00

Waves: 0.7 m

Current speed: 1.0 km/h

Water temperature: 29.9°C

18:00

Waves: 0.7 m

Current speed: 0.9 km/h

Water temperature: 29.9°C

00:00

Waves: 0.7 m

Current speed: 0.6 km/h

Water temperature: 29.8°C

06:00

Waves: 0.8 m

Current speed: 0.6 km/h

Water temperature: 29.7°C

12:00

Waves: 0.9 m

Current speed: 0.3 km/h

Water temperature: 29.8°C

18:00

Waves: 1.0 m

Current speed: 1.8 km/h

Water temperature: 29.8°C

Catalog depth10–35 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

Nov-Apr

Peak month

Sep 28.9°

Jan26.4°

Feb26.1°

Mar26.1°

Apr26.7°

May27.4°

Jun28.0°

Jul28.2°

Aug28.6°

Sep28.9°

Oct28.9°

Nov28.3°

Dec27.2°

Current: moderate

Typical visibility: 25 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.

Nearby live cameras

Check the water around Calf Rock before you dive. Feeds are provided by third parties and may occasionally be offline.

1 camera

Public live camera

11.8 km awayOpenStreetMap

Open

area

Check is getting oldLast checked 47h ago

External source · live video is not independently verified

No history is stored for this external source.

Public feedCatalogued Oct 19, 2026

Live availability is controlled by each camera provider. Use the feed as a quick surface check and confirm current conditions with a local dive operator.

Explore nearby centers on the map

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Dive Types

ReefpinnacleSalt 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

Blue tang surgeonfish

Acanthurus coeruleus

DeepLog7

Brazil reef octopus

Octopus insularis

DeepLog7

Schoolmaster snapper

Lutjanus apodus

DeepLog5

Sergeant-major

Abudefduf saxatilis

DeepLog5

Magpie shell

Cittarium pica

DeepLog4

Red rock urchin

Echinometra lucunter

DeepLog4

Actinarian

Bunodosoma granuliferum

DeepLog3

Christmas tree worm

Spirobranchus giganteus

DeepLog3

Flabellina engeli

DeepLog3

Gastropod

Phidiana lynceus

DeepLog3

Lettuce slug

Elysia crispata

DeepLog3

Magnificent feather duster

Sabellastarte magnifica

DeepLog3

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

DeepLog + OBIS →

Photos