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Surf Forecasts:
Cape St Martin surfForecast / West Coast / South Africa
48hr Weather and Surf, issued 7 pm Monday 20 Apr 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
14.7° C
(Which is 2.7°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 11PM is: 3.5m 14s primary swell from a Southwest direction (forecast issued at 07:00pm April 20). The wind direction is predicted to be onshore and the swell rating is 11.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Apr) | - | - |
| Afternoon (20 Apr) | 15ft (4.5m) | 14s |
| Evening (20 Apr) | 13ft (4.0m) | 14s |
Table - waves today at Cape St Martin. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 13 | 14 | 15 | 15 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 6197 | 5771 | 4839 | 4179 | 3475 | 2995 | 2636 | 2406 | 2571 | 2986 | 3149 | 3461 | 4395 | 6852 | 8488 | 8526 | 8503 | 8329 | 7655 | 6093 | 5099 | 4346 | 3500 | 2908 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | on | on | on | on | on | on | cross- on | off | off | off | off | off | off | off | off | off | off | off | off | cross- off | cross- off | glass |
High Tide / height (m) | 5:23PM 1.51 | 5:39AM 1.52 | 6:14PM 1.40 | 6:34AM 1.35 | 7:17PM 1.28 | 7:48AM 1.20 | ||||||||||||||||||
Low Tide / height (m) | 11:26PM 0.22 | 11:56AM 0.21 | 12:19AM 0.35 | 12:52PM 0.36 | 1:30AM 0.48 | |||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 7:13 | - | - | - | - | - | - | - | 7:13 | - | - | - | - | - | - | - | 7:15 | - | - |
| Sunset | 6:21 | - | - | - | - | - | - | - | 6:20 | - | - | - | - | - | - | - | 6:19 | - | - | - | - | - | - | - |
 |  | | |  |  | | |  |  | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 15 | 16 | 16 | 15 | 15 | 16 | 16 | 16 | 16 | 17 | 16 | 16 | 15 | 14 | 15 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 20 |
| Feels °C (?) | 12 | 14 | 14 | 12 | 12 | 13 | 12 | 13 | 15 | 13 | 11 | 11 | 10 | 9 | 10 | 15 | 14 | 13 | 13 | 13 | 14 | 14 | 15 | 18 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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