Thermopylae Surf Break
Lat Long: 33.90° S 18.40° E

Thermopylae 48 hour detailed Surf Forecast

Weather Forecast for Thermopylae

Issued: 7 am 04 Jun 2026 (local time)

Forecast update in  hr  min

Today's Thermopylae sea temperature is
15.9° C

Slightly cooler than normal

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 (04 Jun):

  • Morning surf: Morning surf (04 Jun, local time) - 6.5ft (2.0m), 8s period with SSE swell.
  • Afternoon surf: Afternoon surf (04 Jun, local time) - 5.5ft (1.7m), 9s period with SSE swell.
  • Evening surf: Evening surf (04 Jun, local time) - 5ft (1.5m), 8s period with SSE swell.

The current surf forecast for Thermopylae at 11AM is: 2.0m 7s primary swell from a South-southeast direction and 1.1m 11s secondary swell from a Southwest direction, 0.3m 10s secondary swell from a West direction (forecast issued at 07:00am June 04). The wind direction is predicted to be cross-offshore.

Time (SAST) & DateWave HeightWave Period
Morning (04 Jun)6.5ft (2.0m)8s
Afternoon (04 Jun)5.5ft (1.7m)9s
Evening (04 Jun)5ft (1.5m)8s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Very mild (max 16°C on Thu afternoon, min 12°C on Fri morning). Winds decreasing (fresh winds from the SE on Thu morning, calm by Fri night).

Thursday
4
Friday
5
Saturday
6
Sun
7
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)
2
2
1
1
1
2
2
3
2
2
2
2
3
3
3
3
3
2
2
1
2
3
2
2
Swell
Height Map
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)
2
SSE
9
2
SSE
9
2
SSE
7
1.8
SSE
9
1.7
SSE
9
1.5
SSE
8
1.4
SSE
9
1.2
SSE
9
0.9
SW
11
0.7
SSE
11
0.6
WSW
16
0.7
SW
15
0.9
SW
15
0.9
WSW
14
1.1
SW
14
1.2
WSW
13
1.1
WSW
13
1.1
WSW
13
1.1
WSW
12
1.1
WSW
12
1.1
WSW
12
1.5
WSW
12
1.7
WSW
12
1.9
WSW
11
Wave Graph
Metric surfscale
Energy kJ
629
643
400
525
417
264
281
238
171
101
169
226
309
352
485
479
421
408
371
359
359
626
802
900
Wind (km/h)
35
SE
35
SE
35
SE
35
SE
30
SSE
25
SE
20
SE
15
SE
15
ESE
10
ESE
5
ENE
5
NW
5
WSW
0
SSE
5
E
5
NE
5
N
5
N
10
NW
15
NW
10
NNW
10
NNW
10
N
10
N
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
glassy
on
glassy
glassy
glassy
glassy
cross
cross-on
cross-on
cross-on
cross-on
cross
cross
High Tide
5:13AM1.49m
5:49PM1.52m
5:53AM1.43m
6:30PM1.50m
6:39AM1.38m
7:17PM1.48m
Low Tide
11:24AM0.52m
11:53PM0.67m
12:02PM0.57m
00:41AM0.70m
12:47PM0.62m
1:38AM0.71m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
part cloud
cloud
cloud
cloud
clear
clear
clear
part cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:43
7:43
7:45
7:45
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:44
5:44
5:44
5:44
 mm
Temp °C
14
14
15
16
15
15
14
13
13
12
14
15
15
14
14
13
13
13
14
15
14
14
14
13
Feels °C
7
7
8
9
8
10
10
9
10
9
12
13
13
13
12
12
11
11
12
12
11
11
11
10
Swell 1
Height (m)
Direction
Period (s)
1.3
SW
12
1.2
SW
11
1.1
SW
11
1.1
SW
11
1.1
SW
11
1
SW
11
0.9
SW
11
1.2
SSE
9
1.1
SSE
8
0.8
S
8
0.7
S
7
0.8
SSE
10
0.8
SSE
10
0.9
WSW
14
1.1
SW
14
1.2
WSW
13
1.1
WSW
13
1.1
WSW
13
1.1
WSW
12
1.1
WSW
12
1.1
WSW
12
1.5
WSW
12
1.7
WSW
12
1.9
WSW
11
Energy kJ
440
369
320
314
268
233
198
238
171
74
48
141
141
352
485
479
421
408
371
359
359
626
802
900
Swell 2
Height (m)
Direction
Period (s)
0.3
W
10
0.3
W
10
0.3
W
10
0.3
W
10
0.3
W
10
0.3
W
10
0.4
SSW
14
0.9
SW
11
0.9
SW
11
0.7
SSE
11
0.6
SSE
11
0.7
SW
15
0.9
SW
15
0.9
SSE
11
0.8
SSE
12
0.8
SSE
12
0.8
SSE
12
0.7
SSE
12
0.7
SSE
11
0.7
SSE
11
0.5
SSE
11
0.5
SSE
11
0.4
SSE
10
0.4
SE
10
Energy kJ
18
18
18
18
19
19
74
194
169
101
78
226
309
180
161
161
156
119
111
107
66
65
42
28
Swell 3
Height (m)
Direction
Period (s)
0.1
SW
16
0.1
SW
16
0.2
SSW
14
0.2
SSW
14
0.2
SSW
15
0.2
W
10
0.4
SSW
13
0.3
SW
18
0.6
SW
10
0.6
WSW
16
0.6
SW
10
0.6
SW
10
0.6
SW
10
0.2
SSE
16
0.1
S
10
0.4
SW
15
0.1
W
15
Energy kJ
10
10
20
21
21
8
70
48
82
169
82
82
63
25
2
57
4
Wind waves
Height (m)
Direction
Period (s)
2
SSE
9
2
SSE
9
2
SSE
7
1.8
SSE
9
1.7
SSE
9
1.5
SSE
8
1.4
SSE
9
0.4
NW
3
0.4
NW
3
0.4
NW
3
0.4
NNW
3
0.3
NNW
3
Energy kJ
629
643
400
525
417
264
281
2
3
3
3
2
Nearest Offshore or Glassy
Rating
(10 max)
4
2
2
3
3
3
3
3
2
2
2
2
3
3
3
3
3
3
2
2
2
3
3
3
Distance (km)
910
177
177
138
87
1
1
0
0
0
0
0
1
0
0
0
0
6
17
17
17
11
6
6
Best forecast wave conditions in Cape Town
Rating
(10 max)
3
3
3
2
2
2
2
3
3
3
3
3
3
2
2
2
3
3
3
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
3
Header Global
Rating
(10 max)
5
5
5
4
5
5
5
5
5
5
9
9
9
9
8
8
6
9
9
9
9
9
9
6
  • 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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