Surf Forecasts:
How big are the waves at Cape St Martin today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 10ft (3.0m), 13s period with SW swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 10ft (3.0m), 13s period with SW swell.
- Evening surf: Evening surf (20 Aug, local time) - 8ft (2.5m), 12s period with SW swell.
The current surf forecast for Cape St Martin at 1PM is: 3.0m 13s primary swell from a Southwest direction (forecast issued at 07:00am August 20). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 11.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 10ft (3.0m) | 13s |
| Afternoon (20 Aug) | 10ft (3.0m) | 13s |
| Evening (20 Aug) | 8ft (2.5m) | 12s |
Table - waves today at Cape St Martin. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 18°C on Fri afternoon, min 12°C on Thu night). Winds decreasing (fresh winds from the S on Thu afternoon, calm by Sat morning). | |||||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | |||||||||||||||||||||
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 | |
Swell Height Map |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SW 12 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SSW 10 | SSW 11 | SSW 10 | SSW 11 | SSW 13 | SW 12 | SW 11 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 1693 | 2561 | 3420 | 3267 | 3057 | 2183 | 2124 | 1852 | 1627 | 1130 | 1302 | 882 | 743 | 932 | 932 | 915 | 411 | 302 | 292 | 366 | 395 | 597 | 828 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | cross-off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | glassy | cross | cross-off | off | off |
High Tide | 8:13AM1.04m | 8:38PM1.08m | 9:53AM0.97m | 10:28PM1.03m | 11:51AM1.02m | ||||||||||||||||||
Low Tide | 2:02PM0.66m | 3:22AM0.65m | 4:02PM0.73m | 5:35AM0.64m | 6:11PM0.68m | ||||||||||||||||||
 |  | | | | | | | | | | | | | | |  | | | | | | | |
 | 7:20 | — | — | — | — | — | — | — | 7:18 | — | — | — | — | — | — | — | 7:18 | — | — | — | — | — | — |
 | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:23 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 13 | 15 | 16 | 15 | 13 | 13 | 13 | 12 | 12 | 15 | 18 | 16 | 13 | 13 | 13 | 13 | 13 | 14 | 16 | 16 | 16 | 16 |
Feels °C | 10 | 9 | 11 | 10 | 9 | 7 | 8 | 9 | 8 | 8 | 12 | 14 | 11 | 9 | 10 | 11 | 11 | 12 | 14 | 13 | 12 | 13 | 14 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | — | SW 11 | SSW 10 | SSW 11 | SSW 10 | SSW 11 | SSW 13 | SW 12 | SW 11 |
| kJ | 1693 | 2561 | 3420 | 3267 | 3057 | 2183 | 2124 | 1852 | 1627 | 1130 | 1302 | 882 | 743 | 932 | — | 915 | 411 | 302 | 292 | 366 | 395 | 597 | 828 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WSW 11 | WSW 11 | WSW 10 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 15 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 323 | 291 | 265 | 242 | 163 | 135 | 71 | 174 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSW 14 | SSW 14 | SSW 14 | W 18 | WSW 17 | WSW 16 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 75 | 121 | 123 | 6 | 28 | 51 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | S 4 | — | S 5 | — | — | S 6 | S 7 | — | S 6 | S 7 | — | SW 11 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 10 | — | 57 | — | — | 120 | 124 | — | 86 | 94 | — | 932 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 2 | 2 | 129 | 161 | 157 | 0 | 0 | 0 | 0 | 0 | 6 | 6 | 2 | 2 | 2 | 0 | 0 | 0 | 2 | 6 | 0 | 0 |
Best forecast wave conditions in West Coast | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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