Tonga

Marmer

2.4 mMax Depth

boatEntry

100Species

Conditions Summary

Model forecast · local time (GMT+13)

Model conditions signal71/100

Waves

1.9 m

7.8 s

Swell

1.5 m

7.3 s

Current speed

0.8 km/h

flowing toward NW

Water temperature

22.9°C

Wind

28.7 km/h

→ SE

Sea level

1.0 m

falling

WavesChallenging

SwellWatch

Current speedCalm

Forecast Overview

TodayChallenging

Waves1.8–1.9 mCurrent speed1.3 km/h maxWater temperature22.9°C

TomorrowChallenging

Waves1.7–1.8 mCurrent speed1.1 km/h maxWater temperature22.9°C

Fri, Oct 23Challenging

Waves1.5–1.8 mCurrent speed1.3 km/h maxWater temperature22.9°C

Sat, Oct 24Challenging

Waves1.6–1.6 mCurrent speed1.1 km/h maxWater temperature23.0°C

Next 72 hours

02:00

Waves: 1.9 m

Current speed: 0.8 km/h

Water temperature: 22.9°C

08:00

Waves: 1.9 m

Current speed: 0.5 km/h

Water temperature: 22.7°C

14:00

Waves: 1.9 m

Current speed: 1.0 km/h

Water temperature: 23.1°C

20:00

Waves: 1.8 m

Current speed: 0.6 km/h

Water temperature: 23.1°C

02:00

Waves: 1.8 m

Current speed: 0.9 km/h

Water temperature: 22.8°C

08:00

Waves: 1.8 m

Current speed: 0.2 km/h

Water temperature: 22.7°C

14:00

Waves: 1.8 m

Current speed: 1.1 km/h

Water temperature: 23.0°C

20:00

Waves: 1.7 m

Current speed: 0.4 km/h

Water temperature: 23.1°C

02:00

Waves: 1.8 m

Current speed: 0.9 km/h

Water temperature: 22.8°C

08:00

Waves: 1.7 m

Current speed: 0.3 km/h

Water temperature: 22.7°C

14:00

Waves: 1.6 m

Current speed: 1.3 km/h

Water temperature: 23.1°C

20:00

Waves: 1.5 m

Current speed: 0.4 km/h

Water temperature: 23.2°C

Catalog depth2.4 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

May-Oct

Peak month

Mar 27.6°

Jan26.9°

Feb27.5°

Mar27.6°

Apr27.1°

May25.9°

Jun25.0°

Jul24.1°

Aug23.7°

Sep23.7°

Oct24.4°

Nov25.4°

Dec26.4°

Current: moderate

Typical visibility: 20 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

wrecksalt 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

Amblyglyphidodon melanopterus

DeepLog5

Meiacanthus tongaensis

DeepLog4

Yellow-faced butterfly-fish

Chaetodon flavirostris

DeepLog4

Greyface moray

Gymnothorax thyrsoideus

DeepLog3

Pacific trumpetfish

Aulostomus chinensis

DeepLog3

Two-tone combtooth-blenny

Ecsenius bicolor

DeepLog3

Amphiprion barberi

DeepLog2

Blackbar filefish

Pervagor janthinosoma

DeepLog2

Blacksaddle grouper

Epinephelus howlandi

DeepLog2

Blue and gold fusilier

Caesio caerulaurea

DeepLog2

Carlson's damsel

Neoglyphidodon carlsoni

DeepLog2

Luzon sea star

Echinaster luzonicus

DeepLog2

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

DeepLog + OBIS →

Photos