Surf Forecasts:
How big are the waves at Thermopylae today (26 Sep):
- Morning surf: Morning surf (26 Sep, local time) - 7ft (2.1m), 15s period with SW swell.
- Afternoon surf: Afternoon surf (26 Sep, local time) - 7.5ft (2.3m), 14s period with SW swell.
- Evening surf: Evening surf (26 Sep, local time) - 7ft (2.1m), 14s period with SW swell.
The current surf forecast for Thermopylae at 10AM is: 2.1m 15s primary swell from a Southwest direction and 0.4m 8s secondary swell from a South direction (forecast issued at 01:00am September 26). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Sep) | 7ft (2.1m) | 15s |
| Afternoon (26 Sep) | 7.5ft (2.3m) | 14s |
| Evening (26 Sep) | 7ft (2.1m) | 14s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Sat morning. Warm (max 22°C on Mon afternoon, min 11°C on Sun night). Winds increasing (light winds from the S on Sat morning, fresh winds from the SSE by Sun afternoon). | ||||||||||||||||||||||||
Saturday 26 | Sunday 27 | Monday 28 | ||||||||||||||||||||||
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 | 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 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | WSW 14 | WSW 14 | SSW 14 | SW 14 | SW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | SSE 8 | SSE 8 | SSE 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 498 | 875 | 1958 | 2075 | 2010 | 1972 | 1836 | 1712 | 2166 | 1272 | 1126 | 2728 | 1214 | 1110 | 875 | 734 | 606 | 512 | 389 | 395 | 389 | 438 | 522 | 355 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 2:53AM1.72m | 3:03PM1.85m | 3:24AM1.77m | 3:35PM1.89m | 3:56AM1.78m | 4:08PM1.89m | ||||||||||||||||||
Low Tide | 8:53AM0.32m | 9:16PM0.24m | 9:23AM0.29m | 9:48PM0.21m | 9:55AM0.29m | 10:21PM0.23m | ||||||||||||||||||
 | |  | |  |  |  | | | | |  | | |  | |  | | | | | | | | |
 | — | 6:31 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — | — |
mm | 1 | 1 | 3 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 16 | 16 | 17 | 17 | 17 | 16 | 15 | 15 | 14 | 13 | 14 | 15 | 14 | 13 | 12 | 12 | 11 | 11 | 16 | 20 | 22 | 18 | 15 |
Feels °C | 16 | 16 | 16 | 16 | 15 | 14 | 13 | 11 | 11 | 9 | 7 | 8 | 8 | 7 | 6 | 6 | 7 | 6 | 7 | 12 | 16 | 18 | 14 | 12 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | WSW 14 | WSW 14 | SW 14 | SW 14 | SW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 |
| kJ | 448 | 505 | 1958 | 2075 | 2010 | 1972 | 1836 | 1712 | 2166 | 1272 | 1126 | 2229 | 1214 | 1110 | 875 | 734 | 606 | 512 | 389 | 395 | 389 | 283 | 274 | 222 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SW 16 | — | S 8 | S 11 | S 11 | S 11 | — | — | — | — | — | — | — | — | SSW 8 | — | SSW 8 | — | — | S 16 | SW 16 | SW 15 | SW 15 |
| kJ | 498 | 875 | — | 22 | 3 | 2 | 2 | — | — | — | — | — | — | — | — | 137 | — | 192 | — | — | 5 | 10 | 9 | 34 |
Swell 3 Height (m) Direction Period (s) | — | ESE 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 10 | — | ESE 7 | S 3 | — | SSE 3 | S 4 | S 6 | — | S 6 | S 7 | SSW 14 | S 7 | S 6 | SSE 7 | SSE 7 | SSE 7 | SE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 8 | SSE 8 | SSE 8 |
| kJ | 47 | — | 5 | 6 | — | 9 | 38 | 110 | — | 209 | 377 | 2728 | 349 | 379 | 448 | 485 | 445 | 192 | 337 | 319 | 302 | 438 | 522 | 355 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 8 | 139 | 115 | 63 | 63 | 344 | 344 | 344 | 384 | 344 | 344 | 18 | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 1 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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