Surf Forecasts:
Cape St Martin surf forecast from 10 Sep 2026:
- Best quality surf: Wednesday 16 Sep, 2AM (local time) - 10ft (3.0m), 16s period, WSW swell with cross-offshore winds.
- Most powerful swell: Wednesday 16 Sep, 11AM (local time) - 11ft (3.5m), 14s period, SW swell with 5,505 kJ wave energy.
- Next surfable swell (1★+): Friday 11 Sep, 2AM (local time) - 7ft (2.1m), 13s period with WSW swell.
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 Friday (Sep 11) at 2AM. The primary swell is predicted to be 2.1m and 13s period. 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 3.5m 14s and forecast to arrive on Wednesday (Sep 16) at 11AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 6s period and expected on Friday (Sep 11) at 2AM.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Fri 11th Sep) | 7ft (2.1m) 13s |
| Best Surf | 2AM (Wed 16th Sep) | 10ft (3.0m) 16s |
| Most Powerful | 11AM (Wed 16th Sep) | 11ft (3.5m) 14s |
Table - best surf conditions forecast for Cape St Martin over the next 16 days.
Short Range ForecastMostly dry. Warm (max 27°C on Sat afternoon, min 14°C on Thu morning). Winds decreasing (strong winds from the S on Thu afternoon, calm by Sat night). | Days 4-6 Weather SummaryModerate rain (total 19mm), heaviest on Tue night. Warm (max 20°C on Sun morning, min 12°C on Tue night). Winds increasing (light winds from the NE on Sun morning, strong winds from the NNW by Mon afternoon). | ||||||||||||||||||||
Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SW 15 | WSW 14 | WSW 13 | WSW 12 | WSW 12 | S 10 | SW 14 | SW 17 | SW 15 | SW 14 | SW 14 | SW 13 | SW 13 | NW 8 | NW 8 | WSW 19 | SW 18 | WSW 16 | SW 14 | WSW 13 | SW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1155 | 1722 | 1383 | 878 | 680 | 799 | 1289 | 2777 | 2238 | 1558 | 1215 | 673 | 398 | 1151 | 485 | 251 | 1501 | 4258 | 5505 | 2003 | 1131 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | cross-off | cross-off | off | off | cross-off | cross-off | cross-on | cross-on | on | on | on | on | on | on | cross-off | cross-off | cross-off | off |
High Tide | 2:51PM1.73m | 3:11AM1.63m | 3:26PM1.77m | 3:45AM1.63m | 3:58PM1.76m | 4:18AM1.59m | 4:30PM1.69m | 4:50AM1.52m | 5:01PM1.59m | 5:21AM1.42m | 5:31PM1.46m | 5:52AM1.30m | 6:03PM1.32m | ||||||||
Low Tide | 8:42AM0.06m | 9:08PM0.01m | 9:16AM0.03m | 9:43PM-0.01m | 9:49AM0.04m | 10:15PM0.01m | 10:20AM0.09m | 10:46PM0.08m | 10:50AM0.18m | 11:16PM0.18m | 11:20AM0.28m | 11:45PM0.30m | 11:50AM0.41m | 00:16AM0.43m | |||||||
 | |  |  | |  | | | | |  |  | | | | | | |  | |  | |
 | 6:54 | — | — | 6:52 | — | — | 6:52 | — | — | 6:50 | — | — | 6:48 | — | — | 6:48 | — | — | 6:46 | — | — |
 | — | 6:36 | — | — | 6:37 | — | — | 6:37 | — | — | 6:37 | — | — | 6:38 | — | — | 6:38 | — | — | 6:39 | — |
mm | — | — | — | — | — | — | — | — | — | — | 1 | 5 | — | — | — | — | — | 13 | — | — | — |
Temp °C | 16 | 17 | 14 | 19 | 20 | 19 | 23 | 27 | 21 | 20 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 13 |
Feels °C | 12 | 11 | 8 | 16 | 15 | 15 | 15 | 22 | 20 | 19 | 12 | 11 | 9 | 8 | 8 | 10 | 8 | 10 | 6 | 6 | 6 |
Swell 1 Height (m) Direction Period (s) | SW 12 | WSW 14 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | SW 14 | SW 17 | SW 15 | SW 14 | SW 14 | SW 13 | SW 13 | SW 12 | NW 8 | SW 11 | SW 18 | WSW 16 | SW 14 | WSW 13 | SW 12 |
| kJ | 792 | 1722 | 1383 | 878 | 680 | 324 | 1289 | 2777 | 2238 | 1558 | 1215 | 673 | 398 | 319 | 485 | 168 | 1501 | 4258 | 4281 | 2003 | 1131 |
Swell 2 Height (m) Direction Period (s) | SW 15 | — | — | SSW 8 | — | SW 15 | — | — | S 9 | S 10 | S 8 | S 7 | S 7 | — | SW 12 | WSW 19 | WSW 7 | NW 6 | — | — | W 13 |
| kJ | 1155 | — | — | 319 | — | 134 | — | — | 365 | 188 | 72 | 39 | 16 | — | 259 | 251 | 132 | 31 | — | — | 171 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | SW 15 | — | — | — | — | — | — | — | — | — | SW 14 | — | — | — | — | SW 20 |
| kJ | — | — | — | — | — | 134 | — | — | — | — | — | — | — | — | — | 33 | — | — | — | — | 15 |
Wind waves Height (m) Direction Period (s) | S 5 | S 5 | S 6 | — | S 8 | S 10 | S 9 | S 9 | — | — | — | NNW 5 | NNW 7 | NW 8 | — | NW 7 | NNW 7 | — | SW 14 | SSW 8 | S 8 |
| kJ | 36 | 70 | 166 | — | 659 | 799 | 526 | 621 | — | — | — | 30 | 378 | 1151 | — | 231 | 83 | — | 5505 | 881 | 609 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 129 | 161 | 0 | 2 | 1036 | 0 | 129 | 2 | 0 | 13 | 13 | 120 | 409 | 207 | 331 | 369 | 373 | 161 | 161 | 161 | 0 |
Best forecast wave conditions in West Coast | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Cape St Martin 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.
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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