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Treskostraal surfForecast / West Coast / South Africa

information circle12 Day Weather and Surf, issued 1 pm Monday 18 Aug 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
14.1° C
 (Which is 1.3°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 Tuesday (Aug 19) at 8AM. The primary swell is predicted to be 3.0m and 15s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Treskostraal in the next 12 days are 5.5m 14s and forecast to arrive on Saturday (Aug 23) at 5PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 6s period and expected on Monday (Aug 25) at 2PM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Tue 19th Aug)10ft (3.0m) 15s
Best Surf 8AM (Tue 19th Aug)10ft (3.0m) 15s
Most Powerful 5PM (Sat 23rd Aug)18ft (5.5m) 14s

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

Hourly12 Days
West Coast Surf
Print Surf Table
Updates in  hr  min  s Forecast update imminent 

Short Range Forecast Mostly dry. Very mild (max 16°C on Mon afternoon, min 14°C on Thu morning). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 3mm), mostly falling on Fri night. Very mild (max 15°C on Thu afternoon, min 12°C on Sat night). Wind will be generally light.

Mon
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
Saturday
23
Sunday
24
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
2
4
!
4
4
3
2
3
4
4
3
3
0
0
0
0
!
!
!
!
!
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.2
SW
2.4
WSW
3
WSW
2.5
WSW
2.1
SW
1.7
SW
1.5
WSW
1.9
WSW
2.5
SW
2.5
WSW
2.1
WSW
2
WSW
2.5
SW
3
WSW
4
SW
5.5
SW
5
SW
4
SW
3.5
SW
3.5
SW
3
SSW
Period(s) (?)161615141312121212111111101012141414131313
Wave
Graph
(?)Metric surfscale
Energy (?)959292833192448154492467194018451450119112621391174151981220597306706494739633198
Wind
(km/h)
10
WSW
5
NW
10
N
5
SW
10
SSE
10
WNW
15
NW
10
WNW
0
E
10
WSW
15
NW
15
W
20
W
25
W
25
WNW
20
SW
15
S
10
SSE
30
S
30
SSE
25
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		oncrosscross-
on		cross-
off		onononglasscross-
on		oncross-
on		oncross-
on		oncross-
on		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off
High Tide
/ height (m)
11:59PM
1.23
12:50PM
1.24
1:08AM
1.32
1:43PM
1.37
1:58AM
1.41
2:25PM
1.49
2:39AM
1.48
3:01PM
1.58
3:15AM
1.53
3:34PM
1.64
3:48AM
1.54
4:05PM
1.65
4:19AM
1.52
Low Tide
/ height (m)
5:48PM
0.55
6:36AM
0.40
7:04PM
0.43
7:32AM
0.29
7:56PM
0.31
8:15AM
0.20
8:38PM
0.21
8:51AM
0.13
9:15PM
0.14
9:24AM
0.09
9:48PM
0.11
9:55AM
0.09
10:19PM
0.11
10:23AM
0.12
Mon
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
Saturday
23
Sunday
24
Sunrise--7:22--7:20--7:18--7:18--7:16--7:16--7:15
Sunset6:21--6:22--6:22--6:22--6:23--6:24--6:24--
clearclearclearclearclearclearclearclearclearclearpart cloudpart cloudclearrain showerspart cloudlight rainpart cloudpart cloudpart cloudclearclear
Rain (mm)
-------------2-1-----
Temp. °C161515161615161515151514141414141312131212
Feels °C (?)14141516151514141514131210109898856
  • 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

Eyeball surf reportRecent Eyeball Surf Reports for West Coast

  1. weather stationWind Update Recent cross-shore wind 133 km from Treskostraal has fallen light (light winds from the WSW at Brandhoek wx). Waves should be turning clean at Treskostraal. 0.9m 8s swell from the WSW with a 0.9m 16s long period groundswell from the SW and a 0.5m 13s groundswell, also from the SW. 3 swells combining to make bigger set waves.

    1 hour 10 minutes ago Treskostraal
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FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Treskostraal surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Treskostraal at:
surf-forecast.com

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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