Thermopylae surf break

Thermopylae surfForecast / Cape Town / South Africa

information circle48hr Weather and Surf, issued 7 am Friday 08 May 2026 SAST
Forecast update in hr  min  s Forecast update imminent
Thermopylae surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Thermopylae sea temperature is
16.6° C
(Which is slightly cooler than normal)

How big are the waves at Thermopylae today?

The current surf forecast for Thermopylae at 10AM is: 1.8m 16s primary swell from a West-southwest direction and 1.1m 10s secondary swell from a South-southeast direction (forecast issued at 07:00am May 08). The wind direction is predicted to be cross-offshore and the swell rating is 4.

Time (SAST) & DateWave HeightWave Period
Morning (08 May)5.5ft (1.7m)16s
Afternoon (08 May)6.5ft (2.0m)16s
Evening (08 May)6ft (1.9m)14s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 38mm), heaviest during Sat night. Very mild (max 18°C on Fri afternoon, min 12°C on Sun morning). Winds increasing (calm on Fri morning, gales from the NNW by Sun night).

Friday
8
Saturday
9
Sunday
10
Mon
11
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
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
Rating
(10 max)
4
4
4
4
3
4
4
4
3
3
2
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
1.3
WSW
17
1.6
WSW
16
2
WSW
16
2
WSW
16
2
WSW
15
1.9
WSW
15
1.9
WSW
14
1.8
WSW
14
1.7
WSW
14
1.6
WSW
14
1.3
WSW
13
1.5
WSW
14
1.4
WSW
14
1.3
WSW
13
1.3
WSW
13
1.2
SW
13
2.5
W
9
2.5
W
9
3.5
W
8
4.5
W
9
5
WSW
10
5
WSW
11
3.5
SW
12
4
WNW
12
Wave Graph
Metric surfscale
Energy kJ
1056
1261
1948
1875
1689
1475
1435
1301
1143
985
530
883
700
599
590
509
1159
1185
1648
3034
5242
6273
3679
4128
Wind (km/h)
10
SE
10
SE
5
ESE
5
SSW
15
S
10
SSE
5
SE
5
ENE
10
N
10
NNW
20
N
25
NW
30
NNW
35
N
40
N
20
WNW
25
WNW
45
W
45
W
50
W
50
W
45
W
35
WNW
45
NNW
cross-off
cross-off
glassy
cross-on
cross
cross-off
glassy
glassy
cross
cross
cross
cross-on
cross-on
cross
cross
cross-on
cross-on
on
on
on
on
on
on
cross
High Tide
6:50AM1.31m
7:44PM1.36m
8:02AM1.25m
9:00PM1.35m
9:37AM1.24m
10:19PM1.41m
Low Tide
1:06PM0.73m
2:07AM0.84m
2:21PM0.78m
3:42AM0.81m
3:50PM0.78m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
heavy rain
mod rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:24
7:26
7:26
7:28
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:59
5:58
5:57
5:57
14
6
4
4
2
2
2
1
1
Temp °C
15
14
16
18
17
16
16
15
14
14
16
17
16
15
15
13
14
12
13
14
14
13
15
14
14
12
15
16
14
14
15
14
12
11
12
12
10
9
7
9
9
3
3
3
4
4
8
6
Swell 1
Height (m)
Direction
Period (s)
1.3
WSW
17
1.6
WSW
16
2
WSW
16
2
WSW
16
2
WSW
15
1.9
WSW
15
1.9
WSW
14
1.8
WSW
14
1.7
WSW
14
1.6
WSW
14
1.3
WSW
13
1.5
WSW
14
1.4
WSW
14
1.3
WSW
13
1.3
WSW
13
1.8
W
8
1.4
SW
13
1.4
SW
13
0.4
SE
11
0.4
SE
11
0.3
SE
11
0.2
SSE
11
3.5
SW
12
3
SW
12
Energy kJ
1056
1261
1948
1875
1689
1475
1435
1301
1143
985
530
883
700
599
590
381
613
594
33
31
19
12
3679
2798
Swell 2
Height (m)
Direction
Period (s)
1.3
SSE
10
1.2
SSE
10
1.1
SSE
9
0.9
S
9
0.9
SSE
9
1.1
SSE
16
0.9
SSE
15
0.9
SSE
15
0.9
SSE
14
0.9
SSE
14
1
SW
14
0.8
SSE
13
0.7
SSE
13
0.6
SSE
12
0.6
SSE
12
1.3
NNW
6
0.4
SSE
12
0.4
SE
12
0.1
S
15
0.1
S
15
0.2
SSE
11
0.1
SE
11
Energy kJ
385
282
225
125
132
568
392
376
293
273
404
195
145
101
98
126
55
34
4
4
12
5
Swell 3
Height (m)
Direction
Period (s)
1.1
WSW
13
1.1
WSW
13
0.3
SSE
18
0.5
SE
12
0.4
SE
12
0.6
SSE
16
0.7
SE
15
0.6
SSE
15
0.7
SE
15
0.7
SSE
14
0.8
SSE
13
1
SW
14
1.2
SW
13
0.1
SW
22
0.1
S
14
0.1
S
14
Energy kJ
378
378
62
74
37
169
229
142
217
168
201
398
509
18
4
4
Wind waves
Height (m)
Direction
Period (s)
1.6
SSE
12
0.6
NNW
3
1
NW
4
1.5
NW
5
2.2
NW
6
2.5
W
9
2.5
W
9
3.5
W
8
4.5
W
9
5
WSW
10
5
WSW
11
3.5
WNW
11
4
WNW
12
Energy kJ
715
6
33
115
354
1159
1185
1648
3034
5242
6273
2785
4128
Nearest Offshore or Glassy
Rating
(10 max)
4
4
4
4
4
4
4
4
4
4
4
4
4
3
4
4
4
3
3
3
2
2
2
1
Distance (km)
0
0
0
0
0
1
1
0
0
0
11
6
24
17
83
74
74
67
26
804
891
1028
1050
459
Best forecast wave conditions in Cape Town
Rating
(10 max)
4
4
4
4
4
4
4
4
4
4
4
4
4
3
3
Best forecast wave conditions in South Africa
Rating
(10 max)
7
6
6
6
7
5
7
7
6
5
5
5
5
4
4
4
4
4
4
3
4
2
3
2
Header Global
Rating
(10 max)
7
6
6
6
7
6
7
7
6
5
5
5
5
5
5
5
4
4
4
4
4
4
9
9
  • 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

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