Warmest sea in Australia

954 coastal locations in Australia ranked by their year-round average sea temperature. The regional average is 22.9°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

Newby Shoal

29.3°C annual mean in Australia

Regional average

22.9°C

across all 954 Australia coastal locations

Warmest month

February

25.5°C region-wide average

Australia monthly average 20.0°C to 25.5°C

Warmest month February 25.5°C
Coldest month August 20.0°C
Annual mean 22.9°C
Months above 20°C 12 of 12

Month by month across Australia

Sea temperatures in Australia swing from 20.0°C in August to 25.5°C in February on average across every coast we track. That spread of 5°C hides much bigger swings at individual locations.

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

Australia sea temperature map

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

The warmest coastal locations across all of Australia, 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	Newby Shoal Northern Territory	Australia	29.3°C	29.1°C
2	Burge Point Northern Territory	Australia	29.2°C	29.0°C
3	Fish Reef Northern Territory	Australia	29.2°C	29.0°C
4	Native Point Northern Territory	Australia	29.2°C	29.0°C
5	Shale Island Western Australia	Australia	29.2°C	29.6°C
6	Jabiru Northern Territory	Australia	29.2°C	29.0°C
7	Beagle A Northern Territory	Australia	29.2°C	29.1°C
8	Dillon Shoal Western Australia	Australia	29.2°C	28.9°C
9	Pee Shoal Western Australia	Australia	29.2°C	29.1°C
10	Tapa Bay Northern Territory	Australia	29.2°C	29.0°C
11	The Boxers Northern Territory	Australia	29.1°C	29.1°C
12	Cape Hotham Northern Territory	Australia	29.1°C	28.8°C
13	Chambers Bay Northern Territory	Australia	29.1°C	28.9°C
14	Darwin Northern Territory	Australia	29.1°C	28.9°C
15	Fannie Bay Northern Territory	Australia	29.1°C	28.9°C
16	Larrakeyah Northern Territory	Australia	29.1°C	28.9°C
17	Nightcliff Northern Territory	Australia	29.1°C	28.9°C
18	Parap Northern Territory	Australia	29.1°C	28.9°C
19	Point Stuart Northern Territory	Australia	29.1°C	28.9°C
20	Stuart Park Northern Territory	Australia	29.1°C	28.9°C
21	Hall Point Western Australia	Australia	29.1°C	29.7°C
22	Lizard Island Western Australia	Australia	29.1°C	—
23	Point Fawcett (Offshore) Northern Territory	Australia	29.1°C	29.1°C
24	Echo Shoal Western Australia	Australia	29.1°C	28.9°C
25	Glyde Point Northern Territory	Australia	29.1°C	28.8°C

Show 25 more ▸

26	Point Jenny Northern Territory	Australia	29.1°C	28.9°C
27	White Island Western Australia	Australia	29.1°C	29.8°C
28	Hancox Shoal Area Northern Territory	Australia	29.1°C	28.9°C
29	East Field Island Northern Territory	Australia	29.1°C	28.8°C
30	Unnamed Shoal Northern Territory	Australia	29.1°C	29.0°C
31	West Alligator Head Northern Territory	Australia	29.1°C	28.8°C
32	Camp Point Northern Territory	Australia	29.1°C	29.0°C
33	Munkunuwa Northern Territory	Australia	29.1°C	29.0°C
34	Parsons Bank Northern Territory	Australia	29.1°C	28.9°C
35	Cape Scott Offshore Northern Territory	Australia	29.1°C	28.8°C
36	Degerando Island Western Australia	Australia	29.1°C	29.8°C
37	Skua No. 4 Well Western Australia	Australia	29.1°C	29.1°C
38	Heywood Shoal Western Australia	Australia	29.1°C	29.1°C
39	Medina Inlet South Northern Territory	Australia	29.1°C	28.9°C
40	Peron Island North Northern Territory	Australia	29.1°C	28.8°C
41	Calder Shoal Northern Territory	Australia	29.1°C	29.1°C
42	Maret Island Western Australia	Australia	29.1°C	29.4°C
43	Scott Reef (Wa) Western Australia	Australia	29.0°C	29.1°C
44	Cape Van Dieman Northern Territory	Australia	29.0°C	29.0°C
45	St. Asaph Bay Northern Territory	Australia	29.0°C	29.0°C
46	Two Hills Bay Northern Territory	Australia	29.0°C	28.9°C
47	Ashmore Reef Queensland	Australia	29.0°C	28.9°C
48	Cape Ford Northern Territory	Australia	29.0°C	28.7°C
49	Christine Reef Northern Territory	Australia	29.0°C	29.0°C
50	Browse Island Western Australia	Australia	29.0°C	29.1°C

Coldest 10 in Australia for contrast

Same data, sorted the other way. Useful if you want to know which Australia 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	Recherche Bay Tasmania	Australia	14.3°C
4	Southport Jetty Tasmania	Australia	14.3°C
5	Bramble Cove Tasmania	Australia	14.3°C
6	Maatsuyker Island Tasmania	Australia	14.3°C
7	Austins Ferry Tasmania	Australia	14.4°C
8	Bellerive Tasmania	Australia	14.4°C
9	Berriedale Tasmania	Australia	14.4°C
10	Blackmans Bay Tasmania	Australia	14.4°C