Treskostraal surfForecast / West Coast / South Africa

information circle16 Day Weather and Surf, issued 1 pm Sunday 31 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
16.1° C
(Which is normal for this time of year)

Treskostraal surf forecast from 31 May 2026:

  • Best quality surf: Sunday 7 Jun, 8PM (local time) - 6.5ft (2.0m), 12s period, WSW swell with cross-offshore winds.
  • Most powerful swell: Wednesday 3 Jun, 5PM (local time) - 10ft (3.0m), 10s period, S swell with 1,553 kJ wave energy.
  • Next surfable swell (1★+): Sunday 31 May, 8PM (local time) - 5ft (1.6m), 12s period with SW swell.

Best Forecast Surf Conditions for Treskostraal this week:

The surf forecast for Treskostraal over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (May 31) at 8PM. The primary swell is predicted to be 1.6m and 12s period with a secondary swell of 0.1m and 12s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Treskostraal in the next 16 days are 3.0m 10s and forecast to arrive on Wednesday (Jun 03) at 5PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 6s period and expected on Tuesday (Jun 02) at 8AM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Sun 31st May)5ft (1.6m) 12s
Best Surf 8PM (Sun 7th Jun)6.5ft (2.0m) 12s
Most Powerful 5PM (Wed 3rd Jun)10ft (3.0m) 10s

Table - best surf conditions forecast for Treskostraal over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Some drizzle, heaviest during Tue morning. Warm (max 21°C on Sun afternoon, min 14°C on Tue night). Winds increasing (calm on Mon morning, strong winds from the SSE by Tue night).

Days 5-7 Weather Summary

Mostly dry. Very mild (max 18°C on Wed afternoon, min 11°C on Fri morning). Winds decreasing (near gales from the SE on Wed night, calm by Fri night).

Sun
31
Monday
1
Tuesday
2
Wednesday
3
Thursday
4
Friday
5
Saturday
6
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
2
3
3
2
3
2
0
2
1
0
2
0
1
2
2
1
3
0
0
0
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.6
SW
12
1.5
SW
11
1.6
SW
11
1.7
WSW
11
1.9
WSW
12
2.2
SW
11
1.5
WSW
11
2.5
S
8
2
SSW
12
3
S
10
2.5
S
10
2
S
9
1.6
S
8
0.9
SW
11
0.9
SW
11
0.7
SW
15
1.2
SW
14
1.2
WSW
13
1.1
WSW
12
1.2
WSW
11
1.4
WSW
11
Wave Graph
Metric surfscale
Energy kJ
699
563
593
739
997
1172
485
877
1236
1553
1238
664
347
198
166
223
541
458
359
372
475
Wind (km/h)
15
S
5
S
5
SSW
10
WSW
10
SW
25
SSE
40
SSE
30
SSE
35
SSE
45
SSE
30
SSE
35
SSE
25
SSE
15
SE
5
E
10
SSW
5
NE
20
NNW
35
NNW
20
WSW
10
S
cross-off
cross-off
glassy
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross
glassy
cross-on
cross-on
cross-on
cross-off
High Tide
3:25PM1.40m
3:31AM1.42m
4:00PM1.39m
4:06AM1.39m
4:35PM1.37m
4:41AM1.35m
5:12PM1.35m
5:17AM1.30m
5:51PM1.32m
5:56AM1.24m
6:33PM1.29m
6:41AM1.19m
7:21PM1.27m
7:37AM1.14m
Low Tide
9:30PM0.32m
9:49AM0.22m
10:04PM0.34m
10:21AM0.24m
10:38PM0.37m
10:55AM0.28m
11:15PM0.41m
11:29AM0.32m
11:54PM0.46m
12:06PM0.37m
00:39AM0.50m
12:48PM0.42m
1:33AM0.52m
1:38PM0.46m
clear
clear
part cloud
cloud
part cloud
rain showers
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
cloud
rain showers
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:41
7:41
7:43
7:43
7:43
7:43
7:45
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:50
5:50
5:49
5:49
5:49
5:49
5:49
5:49
1
4
Temp °C
21
20
18
18
17
16
17
15
16
18
14
14
17
15
12
14
14
15
15
16
15
19
18
18
18
16
12
12
7
9
11
3
6
11
9
10
11
12
11
10
12
12
Swell 1
Height (m)
Direction
Period (s)
1.6
SW
12
1.5
SW
11
1.6
SW
11
1.7
WSW
11
1.9
WSW
12
2.2
SW
11
1.5
WSW
11
1.4
SW
13
2
SSW
12
1.4
SW
12
1.4
SW
12
1.1
SW
12
1
SW
11
1.3
S
7
0.9
SW
11
1
SSW
10
1.2
SW
14
1.2
WSW
13
1.1
WSW
12
1.2
WSW
11
1.4
WSW
11
Energy kJ
699
563
593
739
997
1172
485
651
1236
580
542
293
242
178
166
194
541
458
359
372
475
Swell 2
Height (m)
Direction
Period (s)
0.1
NW
12
0.1
NW
12
0.1
W
12
0.3
SSW
13
0.2
S
12
0.6
SSW
11
0.1
SW
15
1
W
11
0.7
W
11
0.5
W
11
0.4
W
10
0.3
W
10
0.3
W
11
0.9
SW
11
0.7
S
7
0.7
SW
15
0.2
S
10
0.4
S
7
0.2
S
7
0.2
SSE
11
0.7
SW
14
Energy kJ
6
6
3
34
11
81
8
242
112
58
33
19
20
198
47
223
8
15
4
12
208
Swell 3
Height (m)
Direction
Period (s)
0.1
W
11
0.1
NW
11
0.1
NW
11
0.1
W
11
0.1
SW
16
0.2
SSW
14
0.5
SW
16
0.6
S
7
0.2
SSE
12
0.2
S
12
0.1
NW
15
0.1
S
11
Energy kJ
2
5
5
2
10
20
130
37
15
11
8
2
Wind waves
Height (m)
Direction
Period (s)
2
SSW
8
2.5
S
8
2.2
S
8
3
S
10
2.5
S
10
2
S
9
1.6
S
8
0.5
NE
4
0.7
N
5
Energy kJ
472
877
687
1553
1238
664
347
6
23
Nearest Offshore or Glassy
Rating
(10 max)
3
3
3
3
4
4
3
3
3
3
4
1
3
2
2
2
3
2
3
1
3
Distance (km)
12
0
0
12
11
11
420
67
67
1037
937
69
11
0
0
11
0
158
329
15
0
Best forecast wave conditions in West Coast
Rating
(10 max)
3
3
3
3
4
4
3
4
3
3
2
2
2
3
1
3
Best forecast wave conditions in South Africa
Rating
(10 max)
3
3
3
3
4
4
3
4
4
3
4
5
6
4
4
2
5
5
4
4
3
Header Global
Rating
(10 max)
6
5
4
5
5
5
4
5
4
5
5
5
6
5
5
9
9
8
9
9
8
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Treskostraal Surf forecast

The above surf forecast table for Treskostraal provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Treskostraal can be found by selecting the local surf guide option on the grey menu. Our Treskostraal surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Treskostraal) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Treskostraal may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Treskostraal is 24 km (15 miles) from the city of Saldanha. If you plan a holiday in West Coast, look for hotels and other accommodation in Saldanha. Saldanha has rooms for a wide range of budgets as well as car hire and transport links.

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