Thermopylae Surf Break

Thermopylae 48 hour detailed Surf Forecast

Lat Long: 33.90° S 18.40° E

Issued: 7 pm 13 Jun 2026 (local time)

Forecast update in  hr  min

Today's Thermopylae sea temperature is
13.6° C

2.7°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 (14 Jun):

  • Morning surf: Morning surf (14 Jun, local time) - 8ft (2.4m), 12s period with SSW swell.
  • Afternoon surf: Afternoon surf (14 Jun, local time) - 7ft (2.1m), 12s period with SSW swell.
  • Evening surf: Evening surf (14 Jun, local time) - 6ft (1.8m), 12s period with SSW swell.

The current surf forecast for Thermopylae at 12AM is: 2.5m 13s primary swell from a South-southwest direction and 0.8m 10s secondary swell from a West direction (forecast issued at 07:00pm June 13). The wind direction is predicted to be glassy and the swell rating is 4.

Time (SAST) & DateWave HeightWave Period
Morning (14 Jun)8ft (2.4m)12s
Afternoon (14 Jun)7ft (2.1m)12s
Evening (14 Jun)6ft (1.8m)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 4mm), mostly falling on Sun afternoon. Very mild (max 17°C on Tue afternoon, min 12°C on Sun night). Wind will be generally light.

Sat
13
Sunday
14
Monday
15
Tue
16
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)
5
5
4
3
4
3
2
0
2
3
2
3
4
3
3
2
2
3
3
2
2
2
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)
3
SSW
13
3
SSW
13
2.5
SSW
13
2.5
SSW
13
2.5
SSW
12
2.4
SSW
12
2.3
SSW
12
2.1
SSW
12
1.9
SSW
12
1.8
SSW
12
1.8
SSW
11
1.7
SSW
11
2.1
SW
11
2.1
SW
11
1.9
SW
10
2
SSW
10
1.9
SSW
10
1.7
SSW
10
1.6
S
10
0.9
SSW
10
1
SSW
10
1.5
SSE
7
0.8
SSW
13
1.2
SSW
12
Wave Graph
Metric surfscale
Energy kJ
3028
2849
2397
2170
1795
1640
1496
1197
1027
905
801
698
1008
990
710
733
720
548
533
195
200
204
189
403
Wind (km/h)
5
SSW
5
WSW
5
N
5
N
10
NNE
15
N
15
N
20
NW
15
NW
10
NNW
10
N
5
NNE
10
NE
5
NNE
5
E
10
S
15
SSE
15
SE
15
SE
15
SE
15
SE
15
SE
10
SE
15
SSE
Wind State
cross-on
glassy
glassy
cross
cross-off
cross
cross
cross-on
cross-on
cross-on
cross
cross-off
cross-off
cross-off
glassy
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
2:01PM1.64m
2:14AM1.79m
2:51PM1.71m
3:04AM1.81m
3:39PM1.76m
3:53AM1.79m
Low Tide
8:02PM0.44m
8:37AM0.27m
8:54PM0.39m
9:24AM0.24m
9:45PM0.37m
10:11AM0.26m
part cloud
clear
clear
clear
clear
clear
clear
rain showers
rain showers
rain showers
part cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:48
7:48
7:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:44
5:44
5:44
5:44
 mm
1
2
1
Temp °C
15
15
15
14
13
13
14
15
14
14
13
12
12
12
13
15
15
14
14
13
12
12
13
17
Feels °C
14
14
14
13
11
10
11
11
10
12
11
10
10
10
12
13
12
11
12
11
9
9
10
14
Swell 1
Height (m)
Direction
Period (s)
3
SSW
13
3
SSW
13
2.5
SSW
13
2.5
SSW
13
2.5
SSW
12
2.4
SSW
12
2.3
SSW
12
2.1
SSW
12
1.9
SSW
12
1.8
SSW
12
1.8
SSW
11
1.7
SSW
11
2.1
SW
11
2.1
SW
11
1.9
SW
10
2
SSW
10
1.9
SSW
10
1.7
SSW
10
0.9
SW
10
0.9
SSW
10
1
SSW
10
1
SSW
10
0.8
SSW
13
1.2
SSW
12
Energy kJ
3028
2849
2397
2170
1795
1640
1496
1197
1027
905
801
698
1008
990
710
733
720
548
154
195
200
204
189
403
Swell 2
Height (m)
Direction
Period (s)
1
W
10
1
W
10
0.9
W
10
0.7
W
10
0.7
W
10
0.6
W
9
0.6
W
9
0.5
W
9
0.4
W
8
0.1
NW
12
1.2
W
6
1.1
W
6
0.1
NW
12
0.1
W
12
0.7
SW
11
0.6
SW
11
0.4
SW
11
0.3
SW
11
0.8
SW
10
0.5
SW
10
0.4
SW
10
0.7
SW
10
0.3
SW
10
Energy kJ
190
190
154
92
94
61
59
39
18
6
116
89
6
3
119
97
43
19
120
51
35
92
16
Swell 3
Height (m)
Direction
Period (s)
0.1
NW
13
0.1
NW
13
0.1
NW
13
0.1
NW
13
0.1
NW
11
0.1
NW
11
0.1
NW
11
0.1
NW
12
0.1
NW
12
0.1
NW
12
0.1
NW
12
0.1
W
12
0.1
W
12
0.3
S
11
0.1
W
11
0.1
SW
13
0.1
SW
13
0.4
SW
10
Energy kJ
7
7
7
7
5
5
5
6
6
6
6
3
3
21
2
7
7
35
Wind waves
Height (m)
Direction
Period (s)
0.6
WNW
3
1
W
5
1.2
W
6
0.9
SSE
8
0.7
SSE
4
1.6
S
10
1.4
SSE
6
1.5
SSE
6
1.5
SSE
7
1.4
SSE
7
1.3
SSE
7
Energy kJ
8
49
102
102
13
533
153
181
204
186
188
Nearest Offshore or Glassy
Rating
(10 max)
5
5
4
4
4
4
4
3
3
4
3
3
4
3
3
3
3
3
3
2
2
2
3
3
Distance (km)
1
0
0
6
0
6
11
17
17
11
11
0
0
0
0
1
8
0
0
0
0
0
0
0
Best forecast wave conditions in Cape Town
Rating
(10 max)
5
5
4
4
4
4
4
3
3
4
3
3
4
3
4
3
3
3
4
2
2
3
3
3
Best forecast wave conditions in South Africa
Rating
(10 max)
5
5
5
4
4
4
4
3
3
4
4
4
4
5
4
4
4
4
4
3
3
3
3
3
Header Global
Rating
(10 max)
5
5
5
5
5
5
5
5
5
5
9
5
5
5
5
5
4
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
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