Thermopylae surf break

Thermopylae surfForecast / Cape Town / South Africa

information circle48hr Weather and Surf, issued 7 pm Sunday 31 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
16.2° C
(Which is normal for this time of year)

How big are the waves at Thermopylae today (01 Jun):

  • Morning surf: Morning surf (01 Jun, local time) - 5.5ft (1.7m), 11s period with WSW swell.
  • Afternoon surf: Afternoon surf (01 Jun, local time) - 6ft (1.8m), 11s period with WSW swell.
  • Evening surf: Evening surf (01 Jun, local time) - 6.5ft (2.0m), 12s period with WSW swell.

The current surf forecast for Thermopylae at 12AM is: 1.5m 11s primary swell from a Southwest direction and 0.1m 9s secondary swell from a South direction (forecast issued at 07:00pm May 31). The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (SAST) & DateWave HeightWave Period
Morning (01 Jun)5.5ft (1.7m)11s
Afternoon (01 Jun)6ft (1.8m)11s
Evening (01 Jun)6.5ft (2.0m)12s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 2mm), mostly falling on Mon night. Very mild (max 19°C on Sun night, min 14°C on Tue night). Winds increasing (calm on Mon morning, near gales from the SE by Wed afternoon).

Sun
31
Monday
1
Tuesday
2
Wed
3
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
11 AM
2 PM
Rating
(10 max)
2
3
3
3
3
3
3
3
4
4
4
4
4
2
2
2
1
1
1
2
2
2
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.6
SW
12
1.5
SW
12
1.5
SW
12
1.5
SW
11
1.6
SW
11
1.6
SW
11
1.7
WSW
11
1.8
WSW
11
1.9
WSW
12
2
WSW
12
2
WSW
12
2.1
WSW
12
2.2
WSW
11
2.4
SW
11
2.5
SW
10
2.5
SW
10
2.2
S
8
2.1
S
8
1.3
SSW
13
1.8
SW
13
1.9
SW
13
1.9
SW
13
3
SSE
8
2.5
SSE
9
Wave Graph
Metric surfscale
Energy kJ
722
604
583
544
593
593
657
829
1010
1221
1096
1102
1186
1365
1334
1351
698
579
599
1110
1164
1112
1025
976
Wind (km/h)
10
S
5
SE
10
SSE
5
ESE
0
NW
0
SW
5
W
5
NW
5
W
10
WSW
5
W
5
WNW
10
SSE
25
SSE
25
SSE
30
SSE
35
SSE
40
SSE
35
SE
30
SE
30
SE
35
SE
50
SE
55
SE
cross
cross-off
cross-off
glassy
glassy
glassy
glassy
cross-on
on
on
glassy
on
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
3:33PM1.58m
3:33AM1.61m
4:06PM1.58m
4:05AM1.58m
4:39PM1.57m
4:38AM1.54m
Low Tide
9:27PM0.57m
9:46AM0.43m
10:00PM0.59m
10:17AM0.44m
10:35PM0.61m
10:49AM0.48m
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
rain showers
part cloud
clear
clear
part cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:41
7:43
7:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:45
5:45
5:45
5:45
1
1
Temp °C
19
19
18
18
18
17
18
19
17
17
17
16
16
16
16
16
15
15
14
14
14
15
14
14
18
18
16
17
18
17
17
18
16
17
18
16
15
12
12
11
8
7
7
8
8
9
4
3
Swell 1
Height (m)
Direction
Period (s)
1.6
SW
12
1.5
SW
12
1.5
SW
12
1.5
SW
11
1.6
SW
11
1.6
SW
11
1.7
WSW
11
1.8
WSW
11
1.9
WSW
12
2
WSW
12
2
WSW
12
2.1
WSW
12
2.2
WSW
11
2.4
SW
11
2.5
SW
10
0.1
SW
15
1.4
WSW
10
1.3
WSW
11
1.3
SSW
13
1.8
SW
13
1.9
SW
13
1.9
SW
13
1.7
SW
12
1.6
SW
12
Energy kJ
722
604
583
544
593
593
657
829
1010
1221
1096
1102
1186
1365
1334
9
418
415
599
1110
1164
1112
878
772
Swell 2
Height (m)
Direction
Period (s)
0.1
W
12
0.1
S
9
0.1
NW
12
0.1
NW
12
0.1
W
12
0.2
SSW
14
0.2
SSW
13
0.2
SSW
13
0.2
SSW
13
0.2
S
12
0.2
S
12
0.2
SSW
12
0.6
SSW
11
0.1
NW
11
0.1
NW
11
0.4
SW
15
0.9
SSW
10
1.1
W
11
0.9
W
11
0.8
W
11
0.7
W
11
0.6
W
11
0.5
W
11
Energy kJ
3
2
6
6
3
20
18
17
17
11
12
14
79
5
5
57
175
291
191
149
116
86
59
Swell 3
Height (m)
Direction
Period (s)
0.1
NW
12
0.1
NW
12
0.1
NW
12
0.1
W
12
0.1
W
12
0.1
W
12
0.1
W
11
0.1
NW
11
0.1
NW
11
0.1
NW
11
0.1
NW
11
0.1
NW
11
0.1
W
11
0.9
SW
14
0.8
SW
10
Energy kJ
6
6
6
3
3
3
2
5
5
5
5
5
2
288
138
Wind waves
Height (m)
Direction
Period (s)
2.5
SW
10
2.2
S
8
2.1
S
8
2.1
S
8
2.1
SSE
8
2.1
SSE
8
2.2
SSE
8
3
SSE
8
2.5
SSE
9
Energy kJ
1351
698
579
545
494
481
512
1025
976
Nearest Offshore or Glassy
Rating
(10 max)
3
3
3
3
3
3
3
3
3
3
4
2
4
4
4
1
2
3
1
4
4
3
3
3
Distance (km)
1
0
0
0
0
0
0
11
17
17
0
6
0
1
1
1079
423
87
52
13
13
174
177
177
Best forecast wave conditions in Cape Town
Rating
(10 max)
3
3
3
3
3
3
3
3
3
3
4
4
4
4
4
1
4
4
Best forecast wave conditions in South Africa
Rating
(10 max)
3
3
3
3
3
3
3
3
3
3
4
4
4
4
4
1
2
4
4
4
4
4
3
3
Header Global
Rating
(10 max)
6
5
5
5
5
5
5
4
5
5
5
8
5
4
6
4
5
4
5
5
5
4
4
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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