Treskostraal surfForecast / West Coast / South Africa

information circle12 Day Weather and Surf, issued 7 pm Wednesday 10 Dec 2025 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
12.9° C
(Which is 5.7°C colder than average for this time of year)


Best Forecast Surf Conditions for Treskostraal this week:

The surf forecast for Treskostraal over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Dec 11) at 5AM. The primary swell is predicted to be 1.2m and 10s period with a secondary swell of 1.2m and 8s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Treskostraal in the next 12 days are 4.0m 14s and forecast to arrive on Saturday (Dec 13) at 8AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 5s period and expected on Sunday (Dec 14) at 5PM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Thu 11th Dec)4ft (1.2m) 10s
Best Surf 2AM (Sat 13th Dec)11ft (3.5m) 15s
Most Powerful 8AM (Sat 13th Dec)13ft (4.0m) 14s

Table - best surf conditions forecast for Treskostraal over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Some drizzle, heaviest during Fri night. Warm (max 22°C on Wed night, min 16°C on Fri night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 21°C on Mon afternoon, min 15°C on Sat night). Winds decreasing (fresh winds from the S on Sun afternoon, light winds from the SSW by Tue morning).

Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wed
17
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
2
1
0
1
0
0
!
!
!
!
2
1
3
2
1
3
2
0
4
2
0
Swell
Height Map
Wave Height (m) & direction (?)
1.3
SW
1.2
SW
1.4
SW
0.5
SW
1.3
WSW
1.8
SW
3.5
SW
4
SW
3.5
SW
3
SW
2.5
SW
2.3
SW
2.4
SW
2.5
SW
2.5
SW
2.5
SW
2.2
SW
1.9
SW
2
WSW
2.3
WSW
3
SW
Period(s) (?)10109191716151313121212111212121212141312
Wave
Graph
(?)Metric surfscale
Energy kJ (?)330268321184952161147844961402230541902137414661701191316451280974153818212918
Wind
(km/h)
15
S
15
SW
25
SW
10
WNW
20
NNW
20
SW
15
SSW
15
SSW
30
SSW
25
SSE
20
SSW
35
S
20
S
20
SSW
30
SSW
20
S
15
SW
20
SW
10
WNW
20
NNW
25
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
on
crossoncross-
on
cross-
on
crosscrosscrosscross-
off
crosscross-
off
cross-
off
crosscrosscross-
off
cross-
on
cross-
on
oncross-
on
cross-
on
High Tide
/ height (m)
8:17AM
1.31
8:52PM
1.09
9:23AM
1.26
10:08PM
1.06
10:28AM
1.24
11:19PM
1.09
11:27AM
1.25
12:16AM
1.14
12:18PM
1.27
1:01AM
1.20
1:01PM
1.31
1:39AM
1.26
1:41PM
1.35
Low Tide
/ height (m)
1:45AM
0.45
2:51PM
0.49
2:51AM
0.53
4:07PM
0.51
4:05AM
0.58
5:15PM
0.48
5:16AM
0.58
6:10PM
0.44
6:15AM
0.55
6:54PM
0.38
7:02AM
0.50
7:32PM
0.33
7:42AM
0.44
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wed
17
Sunrise-5:33--5:33--5:33--5:33--5:33--5:33--5:35-
Sunset--7:49--7:50--7:51--7:51--7:52--7:52--7:52
clear
part cloud
part cloud
part cloud
clear
part cloud
rain showers
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
Rain (mm)
------1--------------
Temp. °C221920191819181718161818172021192020191818
Feels °C (?)181817181717151312111412121717151918191716
  • 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 12 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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