Thermopylae Surf Break

Thermopylae 48 hour detailed Surf Forecast

Lat Long: 33.90° S 18.40° E

Issued: 1 pm 24 Jun 2026 (local time)

Forecast update in  hr  min

Today's Thermopylae sea temperature is
13.6° C

2.4°C colder than average for this time of year

Thermopylae surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Thermopylae today (24 Jun):

  • Morning surf: Morning surf (24 Jun, local time) - 15ft (4.5m), 16s period with SW swell.
  • Afternoon surf: Afternoon surf (24 Jun, local time) - 13ft (4.0m), 16s period with SW swell.
  • Evening surf: Evening surf (24 Jun, local time) - 13ft (4.0m), 15s period with SW swell.

The current surf forecast for Thermopylae at 4PM is: 4.0m 16s primary swell from a Southwest direction (forecast issued at 01:00pm June 24). An open ocean swell of 0.8m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 9.

Time (SAST) & DateWave HeightWave Period
Morning (24 Jun)15ft (4.5m)16s
Afternoon (24 Jun)13ft (4.0m)16s
Evening (24 Jun)13ft (4.0m)15s

Table - waves today at Thermopylae. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 22°C on Fri afternoon, min 13°C on Wed night). Wind will be generally light.

Wed
24
Thursday
25
Friday
26
Sat
27
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
Rating
(10 max)
9
9
8
7
6
5
5
5
4
4
4
4
4
5
5
5
5
5
5
5
4
4
3
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
4
SW
16
4
SW
16
4
SW
16
4
SW
16
3.5
SW
15
3.5
SW
14
3
SW
14
3
SW
13
2.5
SW
13
2.3
SW
13
2.3
SW
13
1.6
SW
12
1.7
SW
16
2.5
SW
16
3
SW
16
3
SW
16
3
SW
16
3
SW
16
3
SW
16
2.5
SW
15
2.4
SW
15
2.2
SW
14
2.1
SW
14
2
SW
14
Wave Graph
Metric surfscale
Energy kJ
8639
8749
8013
7239
5659
4684
3835
2824
2221
1806
1600
748
1523
3293
4124
4531
4531
4474
3698
3128
2491
2004
1712
1559
Wind (km/h)
15
SE
10
SSE
15
SSE
15
SE
15
SE
15
SE
15
SE
15
SE
5
SE
0
SE
5
SW
5
SE
5
SE
5
E
5
NNE
10
SSE
10
SSE
0
ESE
5
SW
5
SE
5
NE
10
WNW
10
N
10
N
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
cross-on
glassy
glassy
off
cross-off
cross-off
cross-off
glassy
glassy
cross-off
cross-off
cross-on
cross
cross
High Tide
11:47AM1.29m
11:59PM1.45m
12:44PM1.33m
00:50AM1.47m
1:32PM1.39m
1:33AM1.49m
Low Tide
5:42PM0.75m
6:35AM0.63m
6:38PM0.73m
7:19AM0.59m
7:25PM0.70m
7:56AM0.54m
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:50
7:52
7:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:45
5:45
5:45
5:45
 mm
Temp °C
14
15
15
15
14
14
13
14
16
19
19
19
19
18
18
16
18
21
22
21
21
18
16
16
Feels °C
11
13
12
12
11
11
10
11
15
18
17
18
18
17
17
14
16
20
21
20
20
17
15
14
Swell 1
Height (m)
Direction
Period (s)
4
SW
16
4
SW
16
4
SW
16
4
SW
16
3.5
SW
15
3.5
SW
14
3
SW
14
3
SW
13
2.5
SW
13
2.3
SW
13
2.3
SW
13
1.6
SW
12
1.7
SW
16
2.5
SW
16
3
SW
16
3
SW
16
3
SW
16
3
SW
16
3
SW
16
2.5
SW
15
2.4
SW
15
2.2
SW
14
2.1
SW
14
2
SW
14
Energy kJ
8639
8749
8013
7239
5659
4684
3835
2824
2221
1806
1600
748
1523
3293
4124
4531
4531
4474
3698
3128
2491
2004
1712
1559
Swell 2
Height (m)
Direction
Period (s)
1.6
SW
13
0.1
SW
21
0.2
SSW
20
0.6
SSW
18
1.1
SSE
8
1.6
SW
12
0.9
SSE
8
1.2
SE
8
1
SSE
7
1
SSE
7
0.6
SE
7
0.4
SE
7
0.4
ESE
7
Energy kJ
867
18
39
218
159
683
83
178
111
93
33
18
20
Swell 3
Height (m)
Direction
Period (s)
0.7
SSW
17
1.1
SW
17
1.1
SSE
8
Energy kJ
252
640
153
Wind waves
Height (m)
Direction
Period (s)
0.8
ESE
4
1.3
SE
5
1.6
SE
6
1.7
SE
6
1.7
SE
6
1.6
SE
6
1.4
SE
6
1.1
SE
6
1.2
SSE
7
1.6
SSE
8
1.6
SE
8
0.9
SE
7
0.9
SE
7
0.8
SE
7
0.7
SE
7
Energy kJ
21
89
144
185
190
169
132
95
127
334
338
91
86
73
50
Nearest Offshore or Glassy
Rating
(10 max)
9
9
9
9
9
8
6
5
5
5
4
4
4
4
4
5
5
5
5
5
5
5
4
4
Distance (km)
0
0
0
0
1
1
0
0
0
0
0
0
13
0
0
0
0
0
0
0
1
0
0
6
Best forecast wave conditions in Cape Town
Rating
(10 max)
9
9
9
9
9
8
6
5
5
5
4
4
4
4
4
5
5
6
5
5
5
5
4
4
Best forecast wave conditions in South Africa
Rating
(10 max)
9
9
9
9
9
8
6
5
5
5
4
4
4
4
4
5
5
6
5
5
5
5
5
4
Header Global
Rating
(10 max)
9
9
9
9
8
7
6
5
5
5
5
5
5
4
4
5
5
5
5
5
5
5
5
5
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
How to use the Wavefinder 

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