United States

Key Largo Undersee Park

5.5–7.6 mMax Depth

shoreEntry

23Species

Conditions Summary

Model forecast · local time (GMT-4)

Model conditions signal81/100

Waves

1.1 m

4.8 s

Swell

0.3 m

7.4 s

Current speed

0.8 km/h

flowing toward SW

Water temperature

29.3°C

Wind

29.2 km/h

→ NE

Sea level

0.1 m

WavesChallenging

SwellCalm

Current speedCalm

Planning window

08:00–09:00

Calmest model window

Forecast Overview

Mon, Oct 19Challenging

Waves1.0–1.2 mCurrent speed1.7 km/h maxWater temperature29.1°C

Tue, Oct 20Challenging

Waves1.0–1.2 mCurrent speed1.7 km/h maxWater temperature28.6°C

TodayWatch

Waves0.7–1.0 mCurrent speed1.4 km/h maxWater temperature28.3°C

TomorrowWatch

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

Next 72 hours

01:00

Waves: 1.1 m

Current speed: 0.7 km/h

Water temperature: 29.3°C

07:00

Waves: 1.1 m

Current speed: 0.8 km/h

Water temperature: 29.1°C

13:00

Waves: 1.1 m

Current speed: 1.2 km/h

Water temperature: 29.1°C

19:00

Waves: 1.2 m

Current speed: 1.3 km/h

Water temperature: 29.1°C

01:00

Waves: 1.2 m

Current speed: 1.0 km/h

Water temperature: 28.8°C

07:00

Waves: 1.2 m

Current speed: 0.9 km/h

Water temperature: 28.5°C

13:00

Waves: 1.1 m

Current speed: 1.2 km/h

Water temperature: 28.6°C

19:00

Waves: 1.0 m

Current speed: 1.4 km/h

Water temperature: 28.6°C

01:00

Waves: 0.9 m

Current speed: 0.8 km/h

Water temperature: 28.3°C

07:00

Waves: 0.8 m

Current speed: 0.8 km/h

Water temperature: 28.1°C

13:00

Waves: 0.8 m

Current speed: 0.6 km/h

Water temperature: 28.3°C

19:00

Waves: 0.8 m

Current speed: 1.2 km/h

Water temperature: 28.4°C

Catalog depth5.5–7.6 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

Apr-Oct

Peak month

Aug 29.9°

Jan24.0°

Feb24.0°

Mar24.5°

Apr25.7°

May27.0°

Jun28.6°

Jul29.4°

Aug29.9°

Sep29.4°

Oct28.1°

Nov26.3°

Dec25.2°

Current: moderate

Typical visibility: 7.5 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

Loading…

Dive Types

reefsalt 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

Red mangrove

Rhizophora mangle

DeepLog10

Broadheaded silverside

Atherinomorus stipes

DeepLog6

Grey snapper

Lutjanus griseus

DeepLog6

Buttonwood

Conocarpus erectus

DeepLog5

Great barracuda

Sphyraena barracuda

DeepLog5

Mosquitofish

Gambusia holbrooki

DeepLog4

Yellow fin mojarra

Gerres cinereus

DeepLog4

Bluestriped grunt

Haemulon sciurus

DeepLog3

Ringed anemone

Bartholomea annulata

DeepLog3

Crested goby

Lophogobius cyprinoides

DeepLog2

Mangrove gambusia

Gambusia rhizophorae

DeepLog2

Berghia rissodominguezi

DeepLog1

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

DeepLog + OBIS →

Photos