Cape St Martin surfForecast / West Coast / South Africa

information circle16 Day Weather and Surf, issued 7 pm Saturday 14 Mar 2026 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
19.0° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Cape St Martin this week:

The surf forecast for Cape St Martin over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Mar 15) at 2AM. The primary swell is predicted to be 1.2m and 12s period with a secondary swell of 0.1m and 11s. Another secondary swell of 1.3m and 7s is also forecast. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Cape St Martin in the next 16 days are 2.4m 16s and forecast to arrive on Thursday (Mar 19) at 8AM. Winds are predicted to be offshore 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 (Mar 16) at 11AM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Sun 15th Mar)4ft (1.2m) 12s
Best Surf 5AM (Fri 20th Mar)8ft (2.4m) 13s
Most Powerful 8AM (Thu 19th Mar)8ft (2.4m) 16s

Table - best surf conditions forecast for Cape St Martin over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Some drizzle, heaviest during Tue morning. Warm (max 31°C on Sun afternoon, min 19°C on Mon night). Winds decreasing (strong winds from the S on Mon afternoon, calm by Tue morning).

Days 3-6 Weather Summary Mostly dry. Warm (max 23°C on Thu morning, min 18°C on Tue night). Winds decreasing (fresh winds from the S on Wed afternoon, calm by Fri morning).

Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Sat
21
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
3
2
0
2
2
1
1
3
2
2
3
2
4
4
3
4
4
2
3
3
1
Swell
Height Map
Wave Height (m) & direction (?)
1.2
WSW
1
SW
0.9
SW
0.9
SSW
1.3
SSW
2.5
S
2.1
SSW
1.3
SSW
1.4
SSW
1.8
SSW
1.9
SSW
1.4
SW
1.5
SSW
2.4
SSW
2.4
SSW
2.4
SSW
1.7
SSW
2.3
SSW
2.4
SSW
1.8
SSW
1.9
SSW
Period(s) (?)121111131212811111111131314141313128811
Wave
Graph
(?)Metric surfscale
Energy kJ (?)38423719126951717754814594587458537117602329227719018801522709437934
Wind
(km/h)
15
S
10
S
25
SSW
20
S
30
SSE
50
S
25
S
5
NNW
20
SSW
20
S
15
S
35
S
15
S
5
SSW
25
SSW
20
S
5
S
35
S
15
S
5
NNE
25
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offcross-
off
cross-
off
cross-
off
offoffcross-
off
glasscross-
off
cross-
off
cross-
off
cross-
off
offglasscross-
off
cross-
off
glasscross-
off
offcross-
on
cross-
off
High Tide
/ height (m)
1:18AM
1.27
1:27PM
1.30
1:49AM
1.42
2:01PM
1.43
2:19AM
1.57
2:34PM
1.54
2:50AM
1.69
3:08PM
1.62
3:22AM
1.77
3:42PM
1.66
3:55AM
1.81
4:17PM
1.66
4:30AM
1.78
4:54PM
1.60
Low Tide
/ height (m)
7:33AM
0.45
7:42PM
0.32
8:04AM
0.30
8:11PM
0.21
8:34AM
0.16
8:41PM
0.11
9:05AM
0.05
9:12PM
0.05
9:37AM
-0.03
9:44PM
0.02
10:10AM
-0.05
10:17PM
0.03
10:45AM
-0.02
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Sat
21
Sunrise-6:47--6:48--6:48--6:48--6:50--6:50--6:50-
Sunset--7:06--7:05--7:04--7:01--7:00--7:00--6:58
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
light rain
cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
Rain (mm)
-------1-------------
Temp. °C263031262524201921192121192323202022191623
Feels °C (?)242828232219162019172017182421182222161620
  • 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 Cape St Martin Surf forecast

The above surf forecast table for Cape St Martin provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Cape St Martin can be found by selecting the local surf guide option on the grey menu. Our Cape St Martin 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 (Cape St Martin) 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 Cape St Martin 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.

Cape St Martin is 33 km (20 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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