United States

Sand Key (Reef)

8–25 mMax Depth

boatEntry

3Species

Conditions Summary

Model forecast · local time (GMT-4)

Model conditions signal100/100

Waves

0.3 m

4.8 s

Swell

0.3 m

3.9 s

Current speed

1.1 km/h

flowing toward W

Water temperature

29.8°C

Wind

1.3 km/h

→ SW

Sea level

-0.0 m

WavesCalm

SwellCalm

Current speedCalm

Planning window

15:45–15:00

Calmest model window

Forecast Overview

Sat, Oct 17Calm

Waves0.3–0.4 mCurrent speed1.1 km/h maxWater temperature29.7°C

Sun, Oct 18Watch

Waves0.3–1.2 mCurrent speed1.5 km/h maxWater temperature29.4°C

Mon, Oct 19Challenging

Waves1.1–1.4 mCurrent speed2.1 km/h maxWater temperature29.3°C

Tue, Oct 20Challenging

Waves1.4–1.5 mCurrent speed2.2 km/h maxWater temperature29.2°C

Next 72 hours

15:00

Waves: 0.3 m

Current speed: 1.1 km/h

Water temperature: 29.8°C

21:00

Waves: 0.3 m

Current speed: 1.0 km/h

Water temperature: 29.7°C

03:00

Waves: 0.4 m

Current speed: 1.1 km/h

Water temperature: 29.5°C

09:00

Waves: 0.9 m

Current speed: 1.1 km/h

Water temperature: 29.4°C

15:00

Waves: 0.9 m

Current speed: 1.5 km/h

Water temperature: 29.5°C

21:00

Waves: 1.1 m

Current speed: 1.5 km/h

Water temperature: 29.4°C

03:00

Waves: 1.1 m

Current speed: 1.7 km/h

Water temperature: 29.3°C

09:00

Waves: 1.1 m

Current speed: 1.5 km/h

Water temperature: 29.3°C

15:00

Waves: 1.3 m

Current speed: 1.8 km/h

Water temperature: 29.3°C

21:00

Waves: 1.3 m

Current speed: 1.9 km/h

Water temperature: 29.3°C

03:00

Waves: 1.5 m

Current speed: 2.1 km/h

Water temperature: 29.2°C

09:00

Waves: 1.5 m

Current speed: 2.1 km/h

Water temperature: 29.2°C

Catalog depth8–25 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.

Updated: cached data

Open-Meteo Marine + Weather APIs →

Dive readiness

Collecting the latest marine conditions and forecast signals.

Seasons · water temperature

12-month outlook

Best window

Nov-May

Peak month

Aug 29.8°

Jan24.2°

Feb24.1°

Mar24.6°

Apr25.6°

May26.9°

Jun28.4°

Jul29.3°

Aug29.8°

Sep29.3°

Oct28.3°

Nov26.6°

Dec25.3°

Current: mild

Typical visibility: 15 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

reefmucksalt Waterbeginner 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

DeepLog1

Manatee

Trichechus manatus

DeepLog1

Midnight parrotfish

Scarus coelestinus

DeepLog1

Stegastes partitus

Nearby OBIS observations16

Ocyurus chrysurus

Nearby OBIS observations15

Scarus iseri

Nearby OBIS observations14

Haemulon plumierii

Nearby OBIS observations12

Halichoeres bivittatus

Nearby OBIS observations12

Thalassoma bifasciatum

Nearby OBIS observations12

Sparisoma aurofrenatum

Nearby OBIS observations11

Haemulon sciurus

Nearby OBIS observations9

Halichoeres garnoti

Nearby OBIS observations9

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

DeepLog + OBIS →

Photos