Kalumata

Ternate Island, Maluku, Indonesiareef40 m maxbeginner

Conditions & tides

Channel site — tidal current funnels through here and can run fast, changing quickly with the tide. It is usually strongest around mid-tide and eases near the slack windows below. Dive with a local operator who knows the timing.

KalumataTernate Island · 40 m

Good · 5/5

conditions visualisation

Good5/5

Calm and diveable right now — best window today 8 AM–6 PM.

Wind9 kn S

Current~0.2 kn NNE · model

Swell

0.3 m · 6s · WNW

Water

28 °C

Conditions through the day

7 AM7 PM

Calmest current near slack — 10:45 AM & 10:30 PM local

Sunrise 05:19 AM · Sunset 05:25 PM local

Show details

Tide · local

Outlook — select a day for full conditions

On-face swell 0.3 m — the component of the swell aimed at this site’s exposed face. Strong-current reef: plan a drift and enter near the slack windows above. Current is a regional model value (Copernicus, ~9 km grid) — a guide to the area, not a precise reef measurement. Imagery © Esri · not depth or visibility.

Scored by DiveConnect's site-physics model

Marine forecast via Copernicus Marine. Score is a rule-based guide from swell/wind vs. the site's exposure — always dive your own assessment.

Dived here today? How were conditions vs. what we showed?

About this site

Kalumata lies off Ternate Island in the Maluku (Molucca) Islands of eastern Indonesia, a volcanic island historically tied to the spice trade and known for the Kalumata fort nearby on the coast. Dive sites along this shoreline are typically reached by short boat trips from Ternate town, dropping into the waters of the Molucca Sea. The site reaches a maximum depth of around 40 metres.

AI overview

Marine life here

Confirmed by our research team, reported by independent divers, or observed nearby via iNaturalist — each entry is labelled with its source.

Frigate TunaAuxis thazardReported here · unconfirmed
Skipjack TunaKatsuwonus pelamisReported here · unconfirmed
Golden-striped MackerelRastrelliger kanagurtaReported here · unconfirmed
Mackerel TunaEuthynnus affinisReported here · unconfirmed
Narrow-banded Spanish MackerelScomberomorus commersonReported here · unconfirmed
Striped SurgeonfishAcanthurus lineatusReported here · unconfirmed
Lined BristletoothCtenochaetus striatusReported here · unconfirmed
Yellowtail FusilierCaesio cuningReported here · unconfirmed
Sebae AnemoneRadianthus crispaReported here · unconfirmed
Moorish IdolZanclus cornutusObserved near here · iNaturalist
Indo-Pacific Yellowtail DamselNeoglyphidodon nigrorisObserved near here · iNaturalist
Three-spot DascyllusDascyllus trimaculatusObserved near here · iNaturalist
Indo-Pacific Sergeant MajorAbudefduf vaigiensisObserved near here · iNaturalist