Surf Forecasts:
How big are the waves at Thermopylae today (26 Sep):
- Afternoon surf: Afternoon surf (26 Sep, local time) - 5ft (1.6m), 12s period with SW swell.
- Evening surf: Evening surf (26 Sep, local time) - 5ft (1.5m), 12s period with SW swell.
The current surf forecast for Thermopylae at 12AM is: 1.4m 12s primary swell from a Southwest direction and 0.4m 18s secondary swell from a Southwest direction (forecast issued at 07:00pm September 25). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Sep) | - | - |
| Afternoon (26 Sep) | 5ft (1.6m) | 12s |
| Evening (26 Sep) | 5ft (1.5m) | 12s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 9mm), mostly falling on Sat morning. Warm (max 21°C on Mon afternoon, min 11°C on Sun night). Winds increasing (calm on Fri night, fresh winds from the SSE by Sun afternoon). | |||||||||||||||||||
Fri 25 | Saturday 26 | Sunday 27 | |||||||||||||||||
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 12 | SW 12 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | WSW 14 | SW 14 | WSW 14 | SSW 14 | SSW 14 | SSW 13 | WSW 13 | WSW 13 |
Wave Graph  | |||||||||||||||||||
 kJ | 614 | 604 | 614 | 498 | 875 | 1958 | 2075 | 2148 | 1972 | 1836 | 1712 | 1531 | 1948 | 1126 | 2644 | 2650 | 2651 | 875 | 734 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | glassy | cross-off | cross-off | cross-off | cross | cross-off | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 2:34PM1.78m | 2:53AM1.72m | 3:03PM1.85m | 3:24AM1.77m | 3:35PM1.89m | ||||||||||||||
Low Tide | 8:46PM0.30m | 8:53AM0.32m | 9:16PM0.24m | 9:23AM0.29m | 9:48PM0.21m | ||||||||||||||
 |  | |  | |  | | |  |  | | | | | | | |  | | |
 | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — |
 | 6:44 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — | — |
mm | — | — | — | 1 | 2 | 3 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 17 | 17 | 16 | 16 | 16 | 17 | 17 | 17 | 16 | 15 | 15 | 14 | 14 | 14 | 15 | 14 | 13 | 12 |
Feels °C | 18 | 17 | 16 | 16 | 16 | 15 | 18 | 15 | 15 | 13 | 11 | 11 | 9 | 9 | 8 | 9 | 7 | 6 | 6 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | WSW 14 | SW 14 | WSW 14 | SW 14 | SW 14 | SW 13 | WSW 13 | WSW 13 |
| kJ | 614 | 604 | 614 | 448 | 505 | 1958 | 2075 | 2148 | 1972 | 1836 | 1712 | 1531 | 1948 | 1126 | 2221 | 2135 | 1643 | 875 | 734 |
Swell 2 Height (m) Direction Period (s) | SW 20 | SW 18 | SW 18 | SW 16 | SW 16 | — | SSE 9 | S 11 | S 11 | S 11 | — | — | — | — | — | — | — | — | SSW 8 |
| kJ | 15 | 112 | 82 | 498 | 875 | — | 25 | 3 | 2 | 2 | — | — | — | — | — | — | — | — | 163 |
Swell 3 Height (m) Direction Period (s) | SW 20 | SE 7 | SW 16 | SSE 10 | ESE 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 15 | 8 | 43 | 31 | 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | ESE 7 | — | S 3 | S 4 | S 4 | S 6 | S 6 | S 6 | S 7 | SSW 14 | SSW 14 | SSW 13 | SSE 7 | SSE 7 |
| kJ | — | — | — | — | — | 5 | — | 6 | 9 | 29 | 89 | 135 | 153 | 331 | 2644 | 2650 | 2651 | 448 | 475 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 17 | 0 | 0 | 0 | 0 | 1 | 0 | 8 | 8 | 87 | 174 | 63 | 344 | 344 | 344 | 344 | 344 | 325 | 13 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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