Surf Forecasts:
Cape St Martin surf forecast from 13 Aug 2026:
- Best quality surf: Monday 17 Aug, 5AM (local time) - 10ft (3.0m), 13s period, WSW swell with offshore winds.
- Most powerful swell: Thursday 13 Aug, 11AM (local time) - 7.5ft (2.3m), 17s period, WSW swell with 3,229 kJ wave energy.
- Next surfable swell (1★+): Saturday 15 Aug, 2AM (local time) - 6ft (1.8m), 14s 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 Saturday (Aug 15) at 2AM. The primary swell is predicted to be 1.8m and 14s period with a secondary swell of 0.5m and 5s. 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 2.3m 17s and forecast to arrive on Thursday (Aug 13) at 11AM. 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 Wednesday (Aug 19) at 2AM.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Sat 15th Aug) | 6ft (1.8m) 14s |
| Best Surf | 5AM (Mon 17th Aug) | 10ft (3.0m) 13s |
| Most Powerful | 11AM (Thu 13th Aug) | 7.5ft (2.3m) 17s |
Table - best surf conditions forecast for Cape St Martin over the next 16 days.
Short Range ForecastMostly dry. Warm (max 24°C on Thu afternoon, min 12°C on Fri night). Winds decreasing (fresh winds from the NE on Thu morning, calm by Sat night). | Days 4-6 Weather SummaryMostly dry. Very mild (max 18°C on Mon afternoon, min 13°C on Tue night). Winds increasing (calm on Sun morning, fresh winds from the S by Tue night). | ||||||||||||||||||||
Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | |||||||||||||||
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) | WSW 17 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | SSW 7 | SSW 8 | S 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 3229 | 2511 | 1933 | 1292 | 1413 | 1196 | 1306 | 1306 | 1440 | 1384 | 1690 | 2668 | 2412 | 2026 | 1756 | 1125 | 838 | 437 | 489 | 866 | 934 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross-on | cross-on | on | off | cross-off | cross-off | glassy | cross-on | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | off |
High Tide | 3:53PM1.76m | 4:10AM1.63m | 4:30PM1.76m | 4:48AM1.58m | 5:05PM1.71m | 5:24AM1.50m | 5:40PM1.62m | 5:59AM1.39m | 6:15PM1.49m | 6:36AM1.27m | 6:51PM1.34m | 7:17AM1.15m | 7:33PM1.20m | ||||||||
Low Tide | 9:40AM-0.00m | 10:08PM0.02m | 10:17AM0.01m | 10:46PM0.03m | 10:52AM0.07m | 11:22PM0.10m | 11:25AM0.16m | 11:57PM0.20m | 11:58AM0.28m | 00:32AM0.32m | 12:32PM0.41m | 1:09AM0.44m | 1:09PM0.54m | 1:57AM0.56m | |||||||
 | |  |  | | | | |  | | | | | | | | | | | | | |
 | 7:28 | — | — | 7:26 | — | — | 7:26 | — | — | 7:24 | — | — | 7:24 | — | — | 7:22 | — | — | 7:20 | — | — |
 | — | 6:17 | — | — | 6:19 | — | — | 6:19 | — | — | 6:20 | — | — | 6:21 | — | — | 6:21 | — | — | 6:22 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 24 | 19 | 14 | 14 | 14 | 15 | 19 | 18 | 15 | 16 | 16 | 16 | 18 | 17 | 16 | 17 | 15 | 13 | 16 | 14 |
Feels °C | 14 | 19 | 14 | 11 | 12 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 15 | 16 | 15 | 16 | 14 | 12 | 8 | 11 | 8 |
Swell 1 Height (m) Direction Period (s) | WSW 17 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | SW 11 | WSW 12 | SW 11 |
| kJ | 3229 | 2511 | 1933 | 1292 | 1413 | 1196 | 1306 | 1306 | 1440 | 1384 | 1690 | 2668 | 2412 | 2026 | 1756 | 1125 | 838 | 437 | 357 | 330 | 447 |
Swell 2 Height (m) Direction Period (s) | — | NNE 5 | — | — | NW 4 | W 5 | W 6 | WSW 7 | — | — | — | W 18 | — | — | SW 13 | SW 12 | SW 12 | SW 12 | WSW 11 | — | — |
| kJ | — | 20 | — | — | 13 | 12 | 21 | 66 | — | — | — | 99 | — | — | 215 | 252 | 314 | 273 | 180 | — | — |
Swell 3 Height (m) Direction Period (s) | — | NW 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNE 6 | — | NNW 4 | NW 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | SSW 6 | SSW 7 | SSW 8 | S 9 |
| kJ | 119 | — | 13 | 22 | — | — | — | — | — | — | — | — | — | — | — | — | — | 141 | 489 | 866 | 934 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 124 | 57 | 71 | 165 | 4 | 0 | 0 | 2 | 0 | 6 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 0 | 2 | 139 | 0 |
Best forecast wave conditions in West Coast | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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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