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Warmest sea in Indonesia

594 coastal locations in Indonesia ranked by their year-round average sea temperature. The regional average is 28.9°C. The top of the list shows where to find the warmest water in a typical year. The bottom shows the coldest year-round coasts of the region.

Warmest location

Tobelombangi

30.1°C annual mean in Indonesia

Regional average

28.9°C

across all 594 Indonesia coastal locations

Warmest month

April

29.5°C region-wide average

Indonesia monthly average 28.2°C to 29.5°C
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  • Warmest month April 29.5°C
  • Coldest month August 28.2°C
  • Annual mean 28.9°C
  • Months above 20°C 12 of 12

Month by month across Indonesia

Sea temperatures in Indonesia swing from 28.2°C in August to 29.5°C in April on average across every coast we track. That spread of 1°C hides much bigger swings at individual locations.

Want a specific month? Pick one for a dedicated ranking:

Indonesia sea temperature map

Today's pin colours show the latest daily reading at every Indonesia location we track. Pick any pin for the location's full page.

Zoom in to see individual locations. Click a pin for water temperatures. View list →
°C -2 0 1 3 5 7 9 11 13 15 17 19 21 24 27 30 35

Top 50 warmest locations in Indonesia

The warmest coastal locations across all of Indonesia, sorted by year-round average. Click any place for its 30-day chart, monthly profile, and 10-year history.

# Location Annual mean
1 Tobelombangi Sulawesi Tengah 30.1°C
2 Teluk Togian Sulawesi Tengah 30.1°C
3 Poso Sulawesi Tengah 30.1°C
4 Nabire Papua 30.1°C
5 Donggala Sulawesi Tengah 30.1°C
6 Kwatisore Papua 30.1°C
7 Pulau-Pulau Moor Papua 30.1°C
8 Sulawesi 30.0°C
9 Moutong Sulawesi Tengah 30.0°C
10 Palu 30.0°C
11 Seroei Papua 30.0°C
12 Barus Sumatra Utara 30.0°C
13 Wassior Papua Barat 29.9°C
14 Yende Papua Barat 29.9°C
15 Singkel Aceh 29.9°C
16 Muara Kassei Kalimantan Timur 29.9°C
17 Tanjung Birai East Kalimantan 29.9°C
18 Maninili Sulawesi Tengah 29.9°C
19 Tanjung Sinaboi Kepulauan Riau 29.9°C
20 Sukadana Kalimantan Barat 29.9°C
21 Tapaktuan Aceh 29.9°C
22 Pulau Jemur Riau 29.9°C
23 Syeri Papua Barat 29.9°C
24 Sungai Kaibus West Papua 29.9°C
25 Natal Sumatera Utara 29.8°C
Show 25 more ▸
26 Pulau-Pulau Ayu Papua Barat 29.8°C
27 Dumai 29.8°C
28 Sibolga 29.8°C
29 Yenmanu Papua 29.8°C
30 Mios Wundi Papua 29.8°C
31 Pulau Unaginim Papua Barat 29.8°C
32 Pulau Yef Doif Papua Barat 29.8°C
33 Sarmi Papua 29.8°C
34 Sungai Karabra West Papua 29.8°C
35 Tanjung Medang Riau 29.8°C
36 Tanjung Sorong Papua Barat 29.8°C
37 Korim Papua 29.8°C
38 Luwuk 29.8°C
39 Belawan 29.8°C
40 Bosnik Papua 29.8°C
41 Medan 29.8°C
42 Percut 29.8°C
43 Sorido Papua 29.8°C
44 Kolaka Sulawesi Tenggara 29.8°C
45 Korido Papua 29.8°C
46 Teluk Langsa Aceh 29.8°C
47 Teluk Sinabang Aceh 29.8°C
48 Gunungsitoli Sumatera Utara 29.8°C
49 Teluk Nibung 29.8°C
50 Teluk Kaja (Hollandia Baai) Papua 29.8°C

Coldest 10 in Indonesia for contrast

Same data, sorted the other way. Useful if you want to know which Indonesia coasts stay coldest year-round.

# Location Annual mean
1 Batawa 10.7°C
2 Lantera 11.4°C
3 Tembol 11.4°C
4 Taman 12.0°C
5 Pandan 13.9°C
6 Bator 14.8°C
7 Fontein 15.6°C
8 Karara 17.5°C
9 Karangsari 27.6°C
10 Ketawang 27.6°C

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