Warmest sea in Australia and Oceania

1,649 coastal locations in Australia and Oceania ranked by their year-round average sea temperature. The regional average is 23.5°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

Kimbe Bay

30.2°C annual mean in Papua New Guinea

Regional average

23.5°C

across all 1,649 Australia and Oceania coastal locations

Warmest month

February

25.5°C region-wide average

Australia and Oceania monthly average 21.3°C to 25.5°C

Warmest month February 25.5°C
Coldest month August 21.3°C
Annual mean 23.5°C
Months above 20°C 12 of 12

Month by month across Australia and Oceania

Sea temperatures in Australia and Oceania swing from 21.3°C in August to 25.5°C in February on average across every coast we track. That spread of 4°C hides much bigger swings at individual locations.

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

Australia and Oceania sea temperature map

Today's pin colours show the latest daily reading at every Australia and Oceania 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 Australia and Oceania

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

#	Location	Country	Annual mean	Latest
1	Kimbe Bay West New Britain Province	Papua New Guinea	30.2°C	30.1°C
2	Talasea West New Britain Province	Papua New Guinea	30.2°C	30.1°C
3	Tavanatangir Harbour East New Britain Province	Papua New Guinea	30.1°C	29.9°C
4	Eleonora Bay West New Britain Province	Papua New Guinea	30.1°C	30.0°C
5	Kimbe	Papua New Guinea	30.1°C	30.1°C
6	Soroken Bougainville	Papua New Guinea	30.0°C	29.7°C
7	Ambitle Island New Ireland Province	Papua New Guinea	30.0°C	29.9°C
8	Anewa Bay Bougainville	Papua New Guinea	30.0°C	29.7°C
9	Carteret Islands	Papua New Guinea	30.0°C	29.9°C
10	Torokina Bougainville	Papua New Guinea	30.0°C	29.4°C
11	Kapingamarangi	Micronesia	30.0°C	30.6°C
12	Kavieng	Papua New Guinea	30.0°C	29.8°C
13	Lombrum Manus Province	Papua New Guinea	30.0°C	30.0°C
14	Point Stone Island Manus Province	Papua New Guinea	30.0°C	29.9°C
15	Torakina	Papua New Guinea	30.0°C	29.4°C
16	Arawa	Papua New Guinea	30.0°C	29.8°C
17	Kieta	Papua New Guinea	30.0°C	29.8°C
18	Namatanai	Papua New Guinea	30.0°C	29.9°C
19	Lorengau	Papua New Guinea	29.9°C	30.0°C
20	Rabaul	Papua New Guinea	29.9°C	29.8°C
21	Nukuoro	Micronesia	29.9°C	30.4°C
22	Duke of York Islands	Papua New Guinea	29.9°C	29.7°C
23	Lolomo Passage Western Province	Solomon Islands	29.9°C	29.4°C
24	Marovo Lagoon (Karunohu Island) Western Province	Solomon Islands	29.9°C	29.3°C
25	Monggo Passage Western Province	Solomon Islands	29.9°C	29.3°C

Show 25 more ▸

26	Katurasele Choiseul Province	Solomon Islands	29.9°C	29.4°C
27	Malaghara Island Isabel Province	Solomon Islands	29.9°C	29.6°C
28	Maleivona Island Isabel Province	Solomon Islands	29.9°C	29.6°C
29	Nikomaroro Choiseul	Solomon Islands	29.9°C	29.5°C
30	Sasamungga Choiseul Province	Solomon Islands	29.9°C	29.4°C
31	Sikopo Island Isabel Province	Solomon Islands	29.9°C	29.6°C
32	Gizo Harbour Western Province	Solomon Islands	29.9°C	29.2°C
33	Munda (Nasa Zonga Island) Western Province	Solomon Islands	29.9°C	29.2°C
34	Rendova Island Western Province	Solomon Islands	29.9°C	29.2°C
35	Roviana Lagoon (Mbaraulu) Western Province	Solomon Islands	29.9°C	29.2°C
36	Tarekukure Wharf Choiseul Province	Solomon Islands	29.9°C	29.5°C
37	Thousand Ships Bay Isabel Province	Solomon Islands	29.9°C	29.5°C
38	Yandina Central Province	Solomon Islands	29.9°C	29.2°C
39	Kokopo	Papua New Guinea	29.9°C	29.6°C
40	Kwai Harbour Malaita Province	Solomon Islands	29.8°C	29.7°C
41	Auki Harbour Malaita Province	Solomon Islands	29.8°C	29.7°C
42	Buala	Solomon Islands	29.8°C	29.6°C
43	Funafuti	Tuvalu	29.8°C	30.2°C
44	Vaitupu	Tuvalu	29.8°C	30.4°C
45	Lambi Bay Guadalcanal Province	Solomon Islands	29.8°C	29.4°C
46	Sandfly Passage Central Province	Solomon Islands	29.8°C	29.6°C
47	Helen Reef Hatohobei	Palau	29.8°C	30.0°C
48	Gizo	Solomon Islands	29.8°C	29.3°C
49	Bina Harbour Malaita Province	Solomon Islands	29.8°C	29.8°C
50	Kuttu	Micronesia	29.8°C	30.1°C

Warmest countries in Australia and Oceania

Country-level averages across every coastal location in each country (minimum 5 locations to be listed). A useful starting point for picking a country before drilling in.

#	Country	Annual mean	Locations
1	Solomon Islands	29.8°C	31
2	Palau	29.6°C	8
3	Micronesia	29.3°C	63
4	Papua New Guinea	29.3°C	71
5	Guam	29.1°C	14
6	American Samoa	29.1°C	12
7	Northern Mariana Islands	29.0°C	12
8	Republic of the Marshall Islands	28.9°C	48
9	Republic of Kiribati	28.8°C	41
10	Fiji	28.0°C	39
11	Vanuatu	27.9°C	17
12	Cook Islands	27.8°C	9
13	French Polynesia	27.4°C	31
14	Tonga	26.7°C	7
15	New Caledonia	25.8°C	24
16	Australia	22.9°C	954
17	New Zealand	16.3°C	245

Coldest 10 in Australia and Oceania for contrast

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

#	Location	Country	Annual mean
1	Heard Island Australian external territory	Australia	2.7°C
2	Macquarie Island Tasmania	Australia	5.7°C
3	Campbell Island/Motu Ihupuku - Perseverance Harbour New Zealand Outlying Islands	New Zealand	8.4°C
4	Auckland Island - Carnley Harbour Auckland	New Zealand	9.7°C
5	Kaka Point	New Zealand	12.2°C
6	Dunedin	New Zealand	12.3°C
7	Portobello	New Zealand	12.3°C
8	Snares Islands/Tini Heke - North East Island New Zealand Outlying Islands	New Zealand	12.4°C
9	Green Island Otago	New Zealand	12.6°C
10	Stewart Island	New Zealand	12.7°C