Surf Forecasts:
How big are the waves at Thermopylae today (30 Aug):
- Morning surf: Morning surf (30 Aug, local time) - 8ft (2.5m), 13s period with SW swell.
- Afternoon surf: Afternoon surf (30 Aug, local time) - 8ft (2.5m), 12s period with SW swell.
- Evening surf: Evening surf (30 Aug, local time) - 8ft (2.4m), 12s period with SW swell.
The current surf forecast for Thermopylae at 4PM is: 2.5m 12s primary swell from a Southwest direction and 0.2m 11s secondary swell from a South-southeast direction (forecast issued at 07:00am August 30). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Aug) | 8ft (2.5m) | 13s |
| Afternoon (30 Aug) | 8ft (2.5m) | 12s |
| Evening (30 Aug) | 8ft (2.4m) | 12s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 15°C on Tue afternoon, min 11°C on Sun night). Winds decreasing (fresh winds from the SSE on Sun morning, light winds from the SSE by Mon night). | |||||||||||||||||||||||
Sunday 30 | Monday 31 | Tuesday 1 | |||||||||||||||||||||
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 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | WSW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 12 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 14 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 2313 | 2242 | 2040 | 1912 | 1735 | 1627 | 1499 | 1215 | 1302 | 1142 | 1019 | 927 | 875 | 544 | 844 | 1422 | 1617 | 2305 | 2412 | 2782 | 3314 | 3732 | 4356 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross-off | cross | cross-off | cross-off | cross | cross-on | cross | cross-off | cross-off |
High Tide | 4:21AM1.72m | 4:35PM1.83m | 4:53AM1.70m | 5:08PM1.81m | 5:28AM1.64m | 5:44PM1.74m | |||||||||||||||||
Low Tide | 10:21AM0.30m | 10:47PM0.29m | 10:52AM0.33m | 11:21PM0.34m | 11:26AM0.40m | ||||||||||||||||||
 |  | | | | | | | | | | | | | | | | | | | | | | |
 | 7:07 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — |
 | — | — | — | — | 6:25 | — | — | — | — | — | — | — | 6:27 | — | — | — | — | — | — | — | 6:28 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 13 | 14 | 14 | 13 | 12 | 12 | 11 | 11 | 11 | 12 | 13 | 13 | 12 | 12 | 12 | 12 | 11 | 13 | 15 | 14 | 13 | 13 |
Feels °C | 8 | 7 | 7 | 8 | 7 | 6 | 7 | 7 | 7 | 8 | 9 | 9 | 9 | 10 | 10 | 10 | 11 | 10 | 11 | 12 | 11 | 10 | 10 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | WSW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 12 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 14 |
| kJ | 2313 | 2242 | 2040 | 1912 | 1735 | 1627 | 1499 | 1215 | 1302 | 1142 | 1019 | 927 | 875 | 544 | 844 | 1422 | 1617 | 2305 | 2412 | 2782 | 3314 | 3732 | 4356 |
Swell 2 Height (m) Direction Period (s) | SSE 11 | SSE 11 | SSE 10 | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | S 10 | S 10 | — | — | SE 10 | WSW 11 | SW 13 | — | — | — | — | — | — | — | — |
| kJ | 22 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 8 | 2 | — | — | 4 | 379 | 388 | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 14 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 89 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | SSE 4 | — | SSE 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 18 | — | 26 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 47 | 1 | 63 | 344 | 344 | 53 | 13 | 1 | 10 | 0 | 1 | 21 | 8 | 1 | 0 | 1 | 0 | 0 | 1 | 1 | 8 | 6 | 6 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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