Surf Forecasts:
How big are the waves at Cape St Martin today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 7.5ft (2.3m), 13s period with WSW swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 6ft (1.8m), 12s period with WSW swell.
- Evening surf: Evening surf (18 Aug, local time) - 10ft (3.0m), 13s period with SW swell.
The current surf forecast for Cape St Martin at 1AM is: 2.4m 13s primary swell from a West-southwest direction (forecast issued at 07:00pm August 17). The wind direction is predicted to be offshore and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 7.5ft (2.3m) | 13s |
| Afternoon (18 Aug) | 6ft (1.8m) | 12s |
| Evening (18 Aug) | 10ft (3.0m) | 13s |
Table - waves today at Cape St Martin. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Mon night, min 13°C on Tue night). Winds increasing (light winds from the WSW on Mon night, fresh winds from the S by Thu afternoon). | |||||||||||||||||||
Mon 17 | Tuesday 18 | Wednesday 19 | |||||||||||||||||
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) | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 2187 | 2116 | 2116 | 2026 | 1820 | 1834 | 1667 | 964 | 1395 | 2610 | 2752 | 2665 | 2495 | 2221 | 2073 | 1966 | 1830 | 1632 | 1539 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | off | off | off | off | off | cross-off | off | off | off | off | off | off | cross-off | cross-off | cross-off | off | off |
High Tide | 6:15PM1.49m | 6:36AM1.27m | 6:51PM1.34m | 7:17AM1.15m | 7:33PM1.20m | ||||||||||||||
Low Tide | 00:32AM0.32m | 12:32PM0.41m | 1:09AM0.44m | 1:09PM0.54m | |||||||||||||||
 |  | | |  |  | | | | | | | | | | | | | | |
 | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:20 | — | — | — | — | — | — |
 | 6:21 | — | — | — | — | — | — | — | 6:21 | — | — | — | — | — | — | — | 6:22 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 17 | 15 | 14 | 14 | 14 | 15 | 17 | 15 | 14 | 13 | 13 | 13 | 13 | 14 | 15 | 15 | 14 | 14 |
Feels °C | 15 | 16 | 14 | 12 | 11 | 11 | 11 | 12 | 9 | 8 | 8 | 9 | 9 | 9 | 8 | 8 | 9 | 9 | 10 |
Swell 1 Height (m) Direction Period (s) | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 |
| kJ | 2187 | 2116 | 2116 | 2026 | 1820 | 1834 | 1667 | 964 | 1395 | 2610 | 2752 | 2665 | 2495 | 2221 | 2073 | 1966 | 1830 | 1632 | 1539 |
Swell 2 Height (m) Direction Period (s) | W 16 | — | — | — | — | — | — | SW 12 | WSW 12 | — | — | — | — | — | — | — | — | — | — |
| kJ | 131 | — | — | — | — | — | — | 754 | 454 | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | S 4 | S 5 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 38 | 52 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 6 | 2 | 0 | 0 | 0 | 0 | 0 | 176 | 176 | 177 | 2 | 2 | 2 | 2 | 129 | 139 | 139 | 0 | 0 |
Best forecast wave conditions in West Coast | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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