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Surf Forecasts:
Cape St Martin surfForecast / West Coast / South Africa
48hr Weather and Surf, issued 7 pm Sunday 17 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
15.0° C
(Which is 1.9°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 12AM is: 1.6m 13s primary swell from a West-southwest direction and 1.9m 6s secondary swell from a South direction (forecast issued at 07:00pm May 17). The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 5.5ft (1.7m) | 14s |
| Afternoon (18 May) | 5.5ft (1.7m) | 14s |
| Evening (18 May) | 5ft (1.6m) | 13s |
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. Warm (max 20°C on Mon afternoon, min 15°C on Tue afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Sun 17 | Monday 18 | Tuesday 19 | Wed 20 | |||||||||||||||||||||
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 | 5 AM | 8 AM | 11 AM | 2 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | S 10 | S 10 | S 10 | S 10 | WSW 13 | WSW 13 | S 10 | S 10 | S 10 | S 10 | S 10 | |
854 | 817 | 850 | 837 | 950 | 979 | 1068 | 1159 | 971 | 902 | 784 | 722 | 771 | 799 | 755 | 708 | 578 | 444 | 402 | 325 | 331 | 277 | 237 | 192 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | off | off | off | off | off | off | off | off | off | off | off | cross-off | cross | cross-on | on | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | on | on | |
High Tide | 3:43PM1.62m | 3:56AM1.69m | 4:29PM1.59m | 4:45AM1.61m | 5:19PM1.53m | 5:37AM1.49m | ||||||||||||||||||
Low Tide | 9:46PM0.11m | 10:15AM0.00m | 10:35PM0.15m | 11:02AM0.08m | 11:27PM0.22m | 11:53AM0.19m | ||||||||||||||||||
 |  |  | | | |  |  | |  | | | | | | | | | | | | | | | |
 | — | — | — | — | 7:31 | — | — | — | — | — | — | — | 7:33 | — | — | — | — | — | — | — | 7:33 | — | — | — |
 | 5:55 | — | — | — | — | — | — | — | 5:55 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | 5:54 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 19 | 18 | 17 | 16 | 16 | 16 | 17 | 20 | 19 | 20 | 18 | 17 | 16 | 16 | 16 | 15 | 18 | 19 | 18 | 16 | 15 | 15 | 15 | 16 |
15 | 14 | 14 | 13 | 14 | 13 | 14 | 18 | 16 | 17 | 16 | 15 | 15 | 15 | 15 | 15 | 16 | 18 | 18 | 15 | 13 | 15 | 14 | 16 | |
Swell 1 Height (m) Direction Period (s) | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | S 9 | S 9 | S 9 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 |
 kJ | 854 | 817 | 850 | 837 | 950 | 979 | 1068 | 1159 | 971 | 902 | 483 | 635 | 771 | 799 | 755 | 708 | 578 | 432 | 318 | 325 | 331 | 277 | 237 | 192 |
Swell 2 Height (m) Direction Period (s) | S 11 | — | — | W 12 | S 10 | S 10 | S 7 | S 10 | SSE 12 | SSE 12 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 |
| kJ | 185 | — | — | 3 | 71 | 50 | 192 | 35 | 30 | 31 | 784 | 722 | 745 | 615 | 528 | 520 | 484 | 444 | 402 | 320 | 304 | 226 | 222 | 180 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | W 12 | W 12 | S 10 | — | — | — | S 12 | S 12 | — | S 16 | S 16 | — | N 11 | N 4 | NNW 4 | — | N 4 | — | SW 17 | SSW 16 |
| kJ | — | — | — | — | 3 | 3 | 51 | — | — | — | 11 | 3 | — | 5 | 5 | — | 2 | 2 | 1 | — | 1 | — | 11 | 25 |
Wind waves Height (m) Direction Period (s) | S 6 | S 6 | S 6 | S 7 | S 7 | S 7 | — | S 7 | S 8 | S 8 | S 8 | — | — | — | — | — | — | — | — | NNW 4 | — | N 4 | — | — |
| kJ | 122 | 205 | 291 | 319 | 266 | 214 | — | 206 | 256 | 377 | 626 | — | — | — | — | — | — | — | — | 1 | — | 1 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 13 | 71 | 0 | 0 | 0 | 11 | 13 | 13 | 13 | 11 |
Best forecast wave conditions in West Coast | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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