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Surf Forecasts:
Cape St Martin surfForecast / West Coast / South Africa
48hr Weather and Surf, issued 7 am Thursday 21 May 2026 SASTForecast 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
15.2° C
(Which is 1.6°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 11AM is: 0.6m 13s primary swell from a Southwest direction and 0.7m 7s secondary swell from a South direction (forecast issued at 07:00am May 21). The wind direction is predicted to be onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 2ft (0.6m) | 13s |
| Afternoon (21 May) | 2ft (0.6m) | 13s |
| Evening (21 May) | 2.5ft (0.7m) | 12s |
Table - waves today at Cape St Martin. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 19°C on Sat afternoon, min 14°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 14 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 19 | SW 18 | SW 18 | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 12 | SW 14 | SW 14 | |
68 | 113 | 109 | 106 | 144 | 144 | 184 | 263 | 323 | 319 | 338 | 437 | 748 | 644 | 714 | 685 | 667 | 776 | 690 | 721 | 629 | 551 | 992 | 1155 | |
Wind (km/h) | ||||||||||||||||||||||||
on | cross-on | on | on | on | glassy | glassy | glassy | cross-on | glassy | glassy | off | cross-off | off | off | off | off | off | off | off | cross-off | off | off | off | |
High Tide | 7:15PM1.38m | 7:43AM1.24m | 8:25PM1.33m | 9:01AM1.16m | 9:39PM1.31m | |||||||||||||||||||
Low Tide | 12:48PM0.31m | 1:34AM0.41m | 1:53PM0.42m | 2:55AM0.47m | 3:08PM0.49m | |||||||||||||||||||
 |  | | | | | | |  |  |  | | | | | | | | | | | | | | |
 | 7:33 | — | — | — | — | — | — | — | 7:35 | — | — | — | — | — | — | — | 7:35 | — | — | — | — | — | — | 7:35 |
 | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:52 | — | — | 5:52 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 15 | 17 | 17 | 16 | 16 | 15 | 15 | 15 | 17 | 19 | 19 | 19 | 18 | 18 |
15 | 16 | 13 | 13 | 15 | 15 | 16 | 16 | 14 | 14 | 15 | 17 | 14 | 13 | 14 | 12 | 12 | 12 | 15 | 17 | 17 | 17 | 16 | 16 | |
Swell 1 Height (m) Direction Period (s) | S 7 | S 7 | S 7 | S 7 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 12 | SW 14 | SW 14 |
 kJ | 49 | 48 | 51 | 37 | 144 | 144 | 144 | 137 | 123 | 319 | 338 | 437 | 748 | 644 | 714 | 685 | 667 | 776 | 690 | 721 | 629 | 551 | 992 | 1155 |
Swell 2 Height (m) Direction Period (s) | WSW 11 | SW 13 | SW 13 | SW 13 | S 7 | S 7 | S 7 | SW 18 | SW 18 | SW 11 | SW 11 | SW 11 | SSW 6 | S 10 | — | — | — | — | S 9 | — | — | SW 14 | W 11 | W 11 |
| kJ | 47 | 113 | 109 | 106 | 35 | 34 | 22 | 263 | 323 | 121 | 117 | 117 | 29 | 8 | — | — | — | — | 2 | — | — | 350 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | SW 14 | WSW 11 | WSW 11 | SW 11 | SW 20 | SW 20 | SW 19 | S 7 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | WSW 11 | W 12 | — | — | — | — | — | — | — | W 11 | — | W 11 |
| kJ | 68 | 46 | 46 | 29 | 100 | 97 | 184 | 22 | 14 | 22 | 13 | 12 | 99 | 3 | — | — | — | — | — | — | — | 2 | — | 2 |
Wind waves Height (m) Direction Period (s) | — | — | — | NNW 3 | NNW 3 | — | — | — | — | — | — | — | — | SSW 6 | SSW 6 | SSW 6 | SSW 6 | S 6 | S 6 | S 6 | SSW 8 | SSE 6 | S 4 | — |
| kJ | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | 48 | 69 | 52 | 52 | 40 | 30 | 23 | 113 | 4 | 25 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 91 | 13 | 120 | 153 | 153 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 |
Best forecast wave conditions in West Coast | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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