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Warmest sea in Indonesia in October

594 coastal locations in Indonesia ranked by their typical October sea temperature. Region-wide average in October: 29.0°C. The top of the list is where to find the warmest swimming this month.

Warmest in October

Tobelombangi

30.4°C October mean in Indonesia

Regional October average

29.0°C

across all 594 coastal locations in Indonesia

Vs annual mean

+0.0°C

above the year-round regional average

What the Indonesia sea feels like in October

This water temperature is comparable to that of a swimming pool, but it might be higher than most open water swimmers prefer for serious swimming. Make sure to drink plenty of water before and after swimming and don't wear a wetsuit to avoid overheating.

Indonesia monthly average 28.2°C to 29.5°C
J
F
M
A
M
J
J
A
S
O
N
D
  • Warmest month April 29.5°C
  • Coldest month August 28.2°C
  • Annual mean 28.9°C
  • Months above 20°C 12 of 12

Where October fits in the year

October sits inside the regional pattern shown on the left. Pick a different month to see how the ranking shifts.

All twelve Indonesia month rankings:

Indonesia sea temperature map (live)

The map shows today's latest reading at every Indonesia location. The list below is based on the typical October mean, useful for trip planning weeks or months ahead.

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 Indonesia locations in October

Sorted by the typical October mean built from a decade of daily readings at each location. Click any place for its 30-day chart, monthly profile, and full 10-year history.

# Location October mean
1 Tobelombangi Sulawesi Tengah 30.4°C
2 Poso Sulawesi Tengah 30.4°C
3 Teluk Togian Sulawesi Tengah 30.3°C
4 Sulawesi 30.3°C
5 Donggala Sulawesi Tengah 30.2°C
6 Muara Kassei Kalimantan Timur 30.2°C
7 Tanjung Birai East Kalimantan 30.2°C
8 Pulau-Pulau Moor Papua 30.2°C
9 Nabire Papua 30.2°C
10 Seroei Papua 30.2°C
11 Kwatisore Papua 30.2°C
12 Palu 30.2°C
13 Moutong Sulawesi Tengah 30.1°C
14 Maninili Sulawesi Tengah 30.1°C
15 Sarmi Papua 30.1°C
16 Pimpi 30.0°C
17 Pulau-Pulau Ayu Papua Barat 30.0°C
18 Jayapura 30.0°C
19 Teluk Kaja (Hollandia Baai) Papua 30.0°C
20 Wassior Papua Barat 30.0°C
21 Yende Papua Barat 30.0°C
22 Pulau Unaginim Papua Barat 30.0°C
23 Pulau Yef Doif Papua Barat 30.0°C
24 Tanjung Sorong Papua Barat 30.0°C
25 Demta Baai Papua 30.0°C
Show 25 more ▸
26 Mios Wundi Papua 30.0°C
27 Bolaang 30.0°C
28 Insrom 30.0°C
29 Lingkas Kalimantan Utara 30.0°C
30 Majennang 30.0°C
31 Muara Biwan Kalimantan Utara 30.0°C
32 Korim Papua 30.0°C
33 Tanjungtiram Sumatra Utara 30.0°C
34 Yenmanu Papua 30.0°C
35 Sungai Kaibus West Papua 29.9°C
36 Sungai Paloh Kalimantan Barat 29.9°C
37 Pulau Jemur Riau 29.9°C
38 Manokwari 29.9°C
39 Pelabuhan Kualatanjung Sumatera Utara 29.9°C
40 Poigar 29.9°C
41 Syeri Papua Barat 29.9°C
42 Tanjung Sinaboi Kepulauan Riau 29.9°C
43 Bosnik Papua 29.9°C
44 Sorido Papua 29.9°C
45 Tanjung Parit Riau 29.9°C
46 Teluk Nibung 29.9°C
47 Bunaken 29.9°C
48 Korido Papua 29.9°C
49 Tanjung Medang Riau 29.9°C
50 Sungai Karabra West Papua 29.9°C

Coldest 10 in Indonesia in October

Same data the other way. Helpful if you want to know which Indonesia coasts to avoid for swimming in October.

# Location October mean
1 Taman 14.6°C
2 Lantera 15.1°C
3 Tembol 15.1°C
4 Batawa 15.4°C
5 Bator 18.1°C
6 Pandan 18.3°C
7 Karara 19.3°C
8 Fontein 19.5°C
9 Tjilauteurem Jawa Barat 26.3°C
10 Prigi Jawa Timur 26.4°C

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