Thermopylae surf break

Thermopylae surfForecast / Cape Town / South Africa

information circle48hr Weather and Surf, issued 1 am Saturday 02 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
15.8° C
(Which is 1.7°C colder than average for this time of year)

How big are the waves at Thermopylae today?

The current surf forecast for Thermopylae at 10AM is: 3.0m 11s primary swell from a West-southwest direction and 0.7m 11s secondary swell from a South direction (forecast issued at 01:00am May 02). An open ocean swell of 2.0m 6s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (SAST) & DateWave HeightWave Period
Morning (02 May)10ft (3.0m)11s
Afternoon (02 May)8ft (2.5m)11s
Evening (02 May)8ft (2.5m)10s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 18mm), heaviest on Sun night. Very mild (max 19°C on Sun afternoon, min 14°C on Sat morning). Winds decreasing (fresh winds from the N on Sat morning, calm by Mon night).

Saturday
2
Sunday
3
Monday
4
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
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
0
1
0
1
1
0
2
3
3
3
3
2
2
0
2
1
0
2
0
0
2
3
4
3
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>
Wave
Height (m)
Direction
Period (s)
3
WSW
12
3
SW
11
3
WSW
11
3
WSW
11
2.5
WSW
11
2.5
W
11
2.5
W
11
2.3
W
10
2
W
10
1.8
W
10
1.8
WSW
10
1.4
WSW
15
2.2
WSW
14
2.3
WSW
14
2.5
WSW
14
2.5
W
14
2.5
W
13
2.4
WSW
13
2.3
WSW
13
2.4
WSW
13
2.4
WSW
13
2.3
WSW
13
2.3
WSW
12
2.3
WSW
12
Wave Graph
Metric surfscale
Energy kJ
2324
2128
2337
1857
1475
1412
1489
1152
867
693
707
818
2020
2137
2471
2394
2395
1864
1750
1915
1915
1712
1455
1431
Wind (km/h)
35
N
35
N
35
N
35
N
30
NNW
25
NNW
15
N
15
N
15
N
15
N
15
N
20
N
20
NW
20
NNW
20
N
30
N
20
NW
20
WNW
20
WNW
20
W
20
W
15
W
5
W
5
N
cross
cross
cross
cross
cross
cross-on
cross
cross
cross
cross
cross
cross
cross-on
cross-on
cross
cross
cross-on
on
on
on
on
on
on
cross
High Tide
3:25AM1.74m
3:49PM1.65m
3:54AM1.70m
4:19PM1.62m
4:22AM1.64m
4:50PM1.58m
Low Tide
9:37AM0.38m
9:44PM0.50m
10:04AM0.40m
10:12PM0.54m
10:32AM0.44m
10:43PM0.60m
cloud
light rain
light rain
cloud
light rain
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
mod rain
rain showers
rain showers
rain showers
clear
rain showers
rain showers
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:20
7:22
7:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:05
6:04
6:02
1
1
1
8
3
1
1
1
1
Temp °C
15
15
14
15
16
17
17
17
17
16
16
18
19
19
18
18
17
17
17
17
17
16
16
15
8
9
7
9
11
14
15
15
15
14
14
15
17
17
16
14
15
15
13
13
13
13
15
13
Swell 1
Height (m)
Direction
Period (s)
3
WSW
12
3
SW
11
3
WSW
11
3
WSW
11
2.5
WSW
11
2.5
W
11
2.5
W
11
2.3
W
10
2
W
10
1.8
W
10
1.8
WSW
10
1.7
W
10
2.2
WSW
14
2.3
WSW
14
2.5
WSW
14
2.5
W
14
2.5
W
13
2.4
WSW
13
2.3
WSW
13
2.4
WSW
13
2.4
WSW
13
2.3
WSW
13
2.3
WSW
12
2.3
WSW
12
Energy kJ
2324
2128
2337
1857
1475
1412
1489
1152
867
693
707
596
2020
2137
2471
2394
2395
1864
1750
1915
1915
1712
1455
1431
Swell 2
Height (m)
Direction
Period (s)
0.3
S
15
0.3
S
15
0.6
S
12
0.8
S
11
0.9
S
11
0.9
SSW
11
0.9
S
11
0.9
SSW
11
0.9
S
10
0.9
SSW
10
1.2
WSW
15
1.4
WSW
15
0.5
S
10
0.5
S
10
0.5
S
14
0.6
S
14
0.6
SSW
13
0.8
SSW
13
0.8
SSW
13
0.8
SSW
12
0.8
SSW
12
0.8
SSW
12
0.8
SSW
12
0.7
SSW
11
Energy kJ
39
38
98
157
195
198
188
187
174
180
670
818
50
49
106
136
139
229
215
198
195
192
186
133
Swell 3
Height (m)
Direction
Period (s)
0.1
W
21
0.1
W
21
0.4
S
14
0.3
S
15
0.3
WSW
19
0.4
WSW
18
0.5
WSW
18
0.7
WSW
17
0.8
WSW
16
0.9
WSW
16
0.8
S
10
0.5
S
10
0.4
SSW
10
0.4
SSW
15
0.4
S
10
0.4
S
10
0.4
S
10
0.2
SSE
10
0.1
S
13
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
S
12
Energy kJ
9
9
66
38
71
126
180
255
298
407
130
52
32
71
32
31
31
9
4
7
7
6
3
Wind waves
Height (m)
Direction
Period (s)
1.8
NNW
6
2.1
NW
6
1.9
NNW
6
2.1
NNW
6
2
NNW
7
1.4
NNW
6
1.7
NNW
6
0.6
N
4
0.6
N
4
2
W
10
Energy kJ
211
359
254
333
332
132
229
12
15
724
Nearest Offshore or Glassy
Rating
(10 max)
3
4
3
4
4
3
4
4
4
4
4
2
4
4
3
4
4
3
1
1
2
2
3
4
Distance (km)
174
234
176
277
283
31
11
6
6
11
11
31
17
24
31
91
17
26
344
26
26
26
17
6
Best forecast wave conditions in Cape Town
Rating
(10 max)
3
4
4
4
4
4
2
4
4
3
4
4
4
4
4
3
4
Best forecast wave conditions in South Africa
Rating
(10 max)
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
3
4
Header Global
Rating
(10 max)
5
5
5
5
4
4
4
4
4
4
4
4
5
5
4
4
4
4
4
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

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