Skip to content
seatemperatures.net

Warmest sea in South Africa in March

115 coastal locations in South Africa ranked by their typical March sea temperature. Region-wide average in March: 19.7°C. The top of the list is where to find the warmest swimming this month.

Warmest in March

Kosi Bay

27.5°C March mean in South Africa

Regional March average

19.7°C

across all 115 coastal locations in South Africa

Vs annual mean

+1.3°C

above the year-round regional average

What the South Africa sea feels like in March

At this temperature, water will feel cold compared to a swimming pool, but with a bit of experience and practice most people will find the water relatively comfortable to swim in.

South Africa monthly average 16.8°C to 20.4°C
J
F
M
A
M
J
J
A
S
O
N
D
  • Warmest month February 20.4°C
  • Coldest month August 16.8°C
  • Annual mean 18.4°C
  • Months above 20°C 2 of 12

Where March fits in the year

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

All twelve South Africa month rankings:

South Africa sea temperature map (live)

The map shows today's latest reading at every South Africa location. The list below is based on the typical March 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 South Africa locations in March

Sorted by the typical March 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 March mean
1 Kosi Bay KwaZulu-Natal 27.5°C
2 Cape Vidal KwaZulu-Natal 27.4°C
3 Sodwana Bay 27.4°C
4 St Lucia 27.2°C
5 Saint Lucia KwaZulu-Natal 27.1°C
6 Richards Bay 26.6°C
7 Margate 26.5°C
8 Shelly Beach KwaZulu-Natal 26.4°C
9 Port Shepstone 26.4°C
10 Port Edward KwaZulu-Natal 26.2°C
11 Amanzimtoti 26.1°C
12 Umkomaas 26.1°C
13 Port Saint Johns 26.0°C
14 eSikhawini KwaZulu-Natal 25.8°C
15 Mtunzini KwaZulu-Natal 25.8°C
16 Scottburgh 25.7°C
17 Coffee Bay 25.6°C
18 Umhlanga 25.6°C
19 Ballito KwaZulu-Natal 25.4°C
20 Salt Rock KwaZulu-Natal 25.4°C
21 Umdloti KwaZulu-Natal 25.4°C
22 Umhlanga Rocks KwaZulu-Natal 25.4°C
23 Tugela River KwaZulu-Natal 25.4°C
24 Ballitoville 25.2°C
25 Durban 25.2°C
Show 25 more ▸
26 KwaZulu-Natal 25.1°C
27 Mazeppa Bay Eastern Cape 24.7°C
28 East London 24.5°C
29 Morgans Bay Eastern Cape 23.5°C
30 Wavecrest Eastern Cape 23.5°C
31 Chintsa Eastern Cape 23.3°C
32 Kidd's Beach Eastern Cape 22.9°C
33 Port Alfred 21.6°C
34 Agulhas 21.0°C
35 Cape Agulhas 21.0°C
36 Struisbaai 21.0°C
37 Infanta 20.7°C
38 Witsand 20.7°C
39 De Hoop Nature Reserve Western Cape 20.6°C
40 Arniston 20.6°C
41 Stilbaai 20.4°C
42 Cape Infanta Western Cape 20.4°C
43 Port Beaufort Western Cape 20.4°C
44 Kenton-on-Sea Eastern Cape 20.3°C
45 Vleesbaai Western Cape 20.1°C
46 Herolds Bay Western Cape 19.9°C
47 Hartenbos 19.9°C
48 Mossel Bay 19.9°C
49 Jeffreys Bay 19.9°C
50 Wilderness 19.8°C

Coldest 10 in South Africa in March

Same data the other way. Helpful if you want to know which South Africa coasts to avoid for swimming in March.

# Location March mean
1 Marion Island Western Cape 7.4°C
2 Langebaan 14.9°C
3 Yzerfontein 15.0°C
4 Bloubergstrand 15.1°C
5 Camps Bay 15.1°C
6 Cape Town 15.1°C
7 Clifton 15.1°C
8 Sea Point 15.1°C
9 Sunset Beach 15.1°C
10 Schrywers Hoek Western Cape 15.2°C

More on this region