Surf Forecasts:
How big are the waves at Thermopylae today (24 Sep):
- Morning surf: Morning surf (24 Sep, local time) - 2.5ft (0.8m), 16s period with SSW swell.
- Afternoon surf: Afternoon surf (24 Sep, local time) - 5ft (1.6m), 14s period with SSW swell.
- Evening surf: Evening surf (24 Sep, local time) - 6ft (1.9m), 13s period with SSW swell.
The current surf forecast for Thermopylae at 4PM is: 1.7m 14s primary swell from a South-southwest direction and 0.7m 7s secondary swell from a South direction (forecast issued at 01:00pm September 24). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 Sep) | 2.5ft (0.8m) | 16s |
| Afternoon (24 Sep) | 5ft (1.6m) | 14s |
| Evening (24 Sep) | 6ft (1.9m) | 13s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Fri night. Warm (max 20°C on Fri night, min 15°C on Thu night). Winds increasing (calm on Thu night, fresh winds from the SSE by Sun morning). | |||||||||||||||||||||
Thu 24 | Friday 25 | Saturday 26 | |||||||||||||||||||
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) | SSW 16 | SSW 15 | SW 14 | SW 13 | SSW 13 | SSW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 706 | 1038 | 1267 | 1144 | 1309 | 1126 | 964 | 850 | 822 | 747 | 683 | 604 | 614 | 498 | 875 | 1958 | 2208 | 2010 | 1972 | 1836 | 1712 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | glassy | glassy | glassy | glassy | off | cross-on | cross-on | off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off |
High Tide | 2:06PM1.68m | 2:22AM1.64m | 2:34PM1.78m | 2:53AM1.72m | 3:03PM1.85m | ||||||||||||||||
Low Tide | 8:17PM0.40m | 8:23AM0.39m | 8:46PM0.30m | 8:53AM0.32m | 9:16PM0.24m | ||||||||||||||||
 | |  |  | | | | | | | |  | | |  |  | | | | | | |
 | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — |
 | — | — | 6:43 | — | — | — | — | — | — | — | 6:44 | — | — | — | — | — | — | — | 6:45 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | 1 | — | — | — | — |
Temp °C | 18 | 18 | 17 | 17 | 16 | 16 | 15 | 15 | 18 | 18 | 19 | 20 | 17 | 17 | 17 | 16 | 17 | 18 | 17 | 16 | 15 |
Feels °C | 19 | 18 | 17 | 19 | 18 | 17 | 16 | 15 | 17 | 17 | 18 | 20 | 16 | 17 | 17 | 15 | 17 | 16 | 14 | 13 | 11 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 15 | SW 14 | SW 13 | SSW 13 | SSW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 |
| kJ | 706 | 1038 | 1267 | 1144 | 1309 | 1126 | 964 | 850 | 822 | 747 | 683 | 604 | 614 | 448 | 505 | 1958 | 2208 | 2010 | 1972 | 1836 | 1712 |
Swell 2 Height (m) Direction Period (s) | SSE 7 | SSE 7 | S 7 | S 6 | SSE 7 | SSE 7 | SSE 7 | SSE 6 | SE 7 | SE 7 | SW 20 | SW 18 | SW 18 | SW 16 | SW 16 | SE 7 | S 8 | S 11 | S 11 | S 11 | — |
| kJ | 79 | 48 | 44 | 31 | 68 | 56 | 38 | 28 | 21 | 16 | 15 | 112 | 82 | 498 | 875 | 2 | 12 | 3 | 2 | 2 | — |
Swell 3 Height (m) Direction Period (s) | WSW 10 | WSW 10 | — | — | — | — | W 16 | W 16 | W 16 | W 16 | SW 20 | SE 7 | S 9 | SSE 10 | ESE 7 | — | — | — | — | — | — |
| kJ | 69 | 94 | — | — | — | — | 5 | 5 | 5 | 5 | 15 | 13 | 15 | 31 | 5 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ESE 7 | — | — | S 4 | S 6 | S 6 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | — | — | 25 | 110 | 128 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 8 | 6 | 17 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 6 | 27 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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