Treskostraal surfForecast / West Coast / South Africa

information circle48hr Weather and Surf, issued 1 pm Sunday 17 May 2026 SAST
Forecast update in hr  min  s Forecast update imminent
Treskostraal surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Treskostraal sea temperature is
15.2° C
(Which is 1.8°C colder than average for this time of year)

How big are the waves at Treskostraal today?

The current surf forecast for Treskostraal at 6PM is: 1.5m 14s primary swell from a West-southwest direction and 1.7m 11s secondary swell from a South direction (forecast issued at 01:00pm May 17). The wind direction is predicted to be cross-offshore.

Time (SAST) & DateWave HeightWave Period
Morning (17 May)4.5ft (1.3m)13s
Afternoon (17 May)4.5ft (1.4m)14s
Evening (17 May)5ft (1.5m)13s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 2mm), mostly falling on Tue afternoon. Very mild (max 19°C on Sun afternoon, min 15°C on Tue night). Wind will be generally light.

Sun
17
Monday
18
Tuesday
19
Wed
20
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
5 AM
8 AM
Rating
(10 max)
2
2
2
2
2
3
3
3
3
3
3
3
3
3
4
4
4
4
4
2
3
3
2
2
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)
1.2
WSW
12
1.4
WSW
14
1.5
WSW
14
1.5
WSW
13
1.6
WSW
13
1.6
WSW
13
1.7
WSW
13
1.7
WSW
14
1.7
WSW
14
1.7
WSW
14
1.6
WSW
14
1.6
WSW
13
1.5
WSW
13
2.3
S
9
2.3
S
10
2.3
S
10
2.2
S
10
2.1
S
10
1.8
S
10
1.6
S
10
1.1
WSW
13
1.5
S
10
1.5
S
10
1.3
S
10
Wave Graph
Metric surfscale
Energy kJ
440
811
854
817
850
837
950
979
1068
1159
971
902
734
854
963
963
895
847
598
463
402
432
432
325
Wind (km/h)
25
SSE
25
S
25
S
30
S
25
S
25
S
20
S
15
SSE
20
SSE
20
SSE
25
S
20
S
20
SSE
20
SSE
15
SE
10
ESE
5
NE
5
NW
10
SW
15
SW
10
SE
10
NE
10
NNE
10
NNE
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
glassy
on
cross-on
cross
off
cross-off
cross
cross
High Tide
3:42PM1.60m
3:56AM1.67m
4:29PM1.57m
4:44AM1.59m
5:18PM1.51m
5:36AM1.47m
Low Tide
9:30AM-0.04m
9:46PM0.11m
10:15AM0.00m
10:34PM0.15m
11:02AM0.09m
11:27PM0.22m
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
clear
clear
rain showers
thunderstorm
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:33
7:33
7:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:55
5:55
5:54
5:54
1
1
Temp °C
18
19
18
17
16
16
16
16
16
19
18
19
18
17
16
16
16
16
18
19
18
16
15
15
14
15
14
13
12
13
13
14
13
16
15
16
15
15
14
15
16
16
17
18
17
16
14
14
Swell 1
Height (m)
Direction
Period (s)
1.2
WSW
12
1.4
WSW
14
1.5
WSW
14
1.5
WSW
13
1.6
WSW
13
1.6
WSW
13
1.7
WSW
13
1.7
WSW
14
1.7
WSW
14
1.7
WSW
14
1.6
WSW
14
1.6
WSW
13
1.5
WSW
13
2.3
S
9
2.3
S
10
2.3
S
10
2.2
S
10
2.1
S
10
1.8
S
10
1.6
S
10
1.4
S
10
1.5
S
10
1.5
S
10
1.3
S
10
Energy kJ
440
811
854
817
850
837
950
979
1068
1159
971
902
734
854
963
963
895
847
598
463
354
432
432
325
Swell 2
Height (m)
Direction
Period (s)
1
S
11
0.1
W
12
0.1
W
12
0.6
S
10
0.5
S
10
0.4
S
10
0.3
SSE
12
0.3
SSE
12
0.3
S
12
1.5
WSW
13
1.5
WSW
13
1.3
WSW
13
1.3
WSW
13
1.3
WSW
13
1.2
WSW
13
1.1
WSW
13
1.1
WSW
13
1.1
WSW
12
1
WSW
12
0.9
WSW
12
Energy kJ
233
3
3
71
51
35
30
31
23
722
734
606
536
520
484
408
402
371
304
226
Swell 3
Height (m)
Direction
Period (s)
0.8
WSW
15
0.1
W
12
0.1
W
12
0.1
S
16
0.1
S
16
0.1
S
15
Energy kJ
249
3
3
5
5
4
Wind waves
Height (m)
Direction
Period (s)
1.1
S
6
1.6
S
11
1.7
S
11
1.9
S
6
2
S
7
2
S
7
1.8
S
7
1.6
S
7
1.5
S
7
1.5
S
7
1.6
S
8
1.8
S
8
2.1
S
9
Energy kJ
88
599
663
273
342
364
297
236
220
233
283
439
678
Nearest Offshore or Glassy
Rating
(10 max)
3
4
4
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
3
3
3
3
3
Distance (km)
11
11
12
12
11
11
11
11
11
11
11
11
11
11
0
0
0
63
11
11
0
0
3
3
Best forecast wave conditions in West Coast
Rating
(10 max)
3
4
4
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
3
3
3
3
3
Best forecast wave conditions in South Africa
Rating
(10 max)
3
4
4
3
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
Header Global
Rating
(10 max)
7
4
8
6
4
4
5
6
5
4
5
4
5
4
4
4
4
4
4
4
4
4
4
4
  • 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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