United States

Big Sandy

15–40 mMax Depth

boatEntry

13Species

Conditions Summary

Model forecast · local time (GMT-10)

Model conditions signal91/100

Waves

0.8 m

8.3 s

Swell

0.7 m

7.1 s

Current speed

0.6 km/h

flowing toward NE

Water temperature

28.2°C

Wind

18.8 km/h

→ NE

Sea level

0.6 m

rising

WavesWatch

SwellCalm

Current speedCalm

Planning window

04:00–05:00

Calmest model window

Forecast Overview

Mon, Oct 19Watch

Waves0.8–0.8 mCurrent speed0.6 km/h maxWater temperature28.2°C

Tue, Oct 20Watch

Waves0.7–0.8 mCurrent speed0.6 km/h maxWater temperature28.3°C

TodayWatch

Waves0.6–0.7 mCurrent speed0.8 km/h maxWater temperature28.2°C

TomorrowWatch

Waves0.6–0.6 mCurrent speed0.4 km/h maxWater temperature28.2°C

Next 72 hours

23:00

Waves: 0.8 m

Current speed: 0.6 km/h

Water temperature: 28.2°C

05:00

Waves: 0.8 m

Current speed: 0.6 km/h

Water temperature: 28.1°C

11:00

Waves: 0.8 m

Current speed: 0.5 km/h

Water temperature: 28.3°C

17:00

Waves: 0.7 m

Current speed: 0.6 km/h

Water temperature: 28.4°C

23:00

Waves: 0.7 m

Current speed: 0.4 km/h

Water temperature: 28.2°C

05:00

Waves: 0.7 m

Current speed: 0.5 km/h

Water temperature: 28.1°C

11:00

Waves: 0.6 m

Current speed: 0.8 km/h

Water temperature: 28.3°C

17:00

Waves: 0.7 m

Current speed: 0.6 km/h

Water temperature: 28.4°C

23:00

Waves: 0.6 m

Current speed: 0.4 km/h

Water temperature: 28.1°C

05:00

Waves: 0.6 m

Current speed: 0.4 km/h

Water temperature: 28.0°C

11:00

Waves: 0.6 m

Current speed: 0.2 km/h

Water temperature: 28.2°C

17:00

Waves: 0.6 m

Current speed: 0.2 km/h

Water temperature: 28.3°C

Catalog depth15–40 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

Year-round

Peak month

Sep 26.9°

Jan24.7°

Feb24.4°

Mar24.4°

Apr24.7°

May25.2°

Jun25.7°

Jul26.2°

Aug26.7°

Sep26.9°

Oct26.8°

Nov26.2°

Dec25.4°

Current: mild

Typical visibility: 30 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

reefsalt 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

Reef manta ray

Mobula alfredi

DeepLog4

Turkey moray

Gymnothorax meleagris

DeepLog3

Atlantic green turtle

Chelonia mydas

DeepLog2

Antler coral

Pocillopora grandis

DeepLog1

Blacktip reef shark

Carcharhinus melanopterus

DeepLog1

Conspicuous sea cucumber

Opheodesoma spectabilis

DeepLog1

Cushion seastar

Culcita novaeguineae

DeepLog1

Indo-Pacific sergeant

Abudefduf vaigiensis

DeepLog1

Pyramid butterflyfish

Hemitaurichthys polylepis

DeepLog1

Raccoon butterflyfish

Chaetodon lunula

DeepLog1

Red-tailed tamarin

Anampses chrysocephalus

DeepLog1

Saddle-back puffer

Canthigaster coronata

DeepLog1

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

DeepLog + OBIS →

Photos