Cape St Martin surfForecast / West Coast / South Africa

information circle48hr Weather and Surf, issued 7 pm Wednesday 20 Aug 2025 SAST
Forecast update in hr  min  s Forecast update imminent
Cape St Martin surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Cape St Martin sea temperature is
14.4° C
(Which is 1.0°C colder than average for this time of year)


How big are the waves at Cape St Martin today?

The current surf forecast for Cape St Martin at 11PM is: 2.1m 12s primary swell from a West-southwest direction and 0.3m 8s secondary swell from a West-northwest direction (forecast issued at 07:00pm August 20). The wind direction is predicted to be cross-onshore.

Time (SAST) & DateWave HeightWave Period
Morning (20 Aug)--
Afternoon (20 Aug)5ft (1.6m)12s
Evening (20 Aug)6ft (1.8m)12s

Table - waves today at Cape St Martin. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent
Wednesday
20
Thursday
21
Friday
22
Saturday
23
5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM
Rating
(10 max)
1
1
2
4
!
!
4
3
4
4
3
1
2
3
3
3
3
2
0
0
1
0
0
!
Swell
Height Map
Wave Height (m) & direction (?)
1.6
WSW
1.7
WSW
2.1
WSW
2.5
SW
3
SW
3
SW
2.5
SW
2.5
SW
2.4
WSW
2.2
WSW
2.1
WSW
2.1
WSW
2.1
WSW
2.1
WSW
2.4
SW
2.4
SW
2.4
SW
2.5
SW
2.5
SW
2.5
SW
2.5
SW
3.5
SW
3.5
SW
4
SW
Period(s) (?)121212121211111111111111111010101010111011121213
Wave
Graph
(?)Metric surfscale
Energy (?)6928231228175721582087171914901307113799194410149361146118311261259147317482178319438325315
Wind
(km/h)
15
NNW
20
NNW
15
NW
5
SW
5
SSW
5
SSW
5
N
10
N
5
NNW
5
NNW
10
NNW
15
NW
15
W
15
SW
10
W
15
WNW
15
NW
20
WNW
20
W
25
WNW
30
W
25
W
30
WNW
30
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononcross-
on
glassglassglassoncross-
on
onglassononcross-
on
cross-
off
crosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscross-
on
cross-
on
cross
High Tide
/ height (m)
1:58AM
1.43
2:25PM
1.51
2:39AM
1.50
3:02PM
1.60
3:15AM
1.55
Low Tide
/ height (m)
7:57PM
0.31
8:15AM
0.20
8:39PM
0.21
8:52AM
0.13
9:15PM
0.14
9:25AM
0.09
Wednesday
20
Thursday
21
Friday
22
Saturday
23
Sunrise-----7:18-------7:18-------7:16--
Sunset6:22-------6:22-------6:23-------
part cloud
clear
rain showers
clear
clear
cloud
cloud
cloud
part cloud
clear
part cloud
part cloud
rain showers
clear
clear
clear
cloud
cloud
clear
cloud
rain showers
clear
part cloud
cloud
Rain (mm)
--1---------1-------1---
Temp. °C141515141414141415151515151414141414141413141314
Feels °C (?)1213131414141312141413121212111111101097878
  • 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 Continuing clean conditions at Cape St Martin (calm at Brandhoek wx 124 km from Cape St Martin). A 2.0m groundswell from the WSW

    Cape St Martin
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