Surf Forecasts:
How big are the waves at Thermopylae today (27 Aug):
- Morning surf: Morning surf (27 Aug, local time) - 4.5ft (1.4m), 11s period with SSW swell.
- Afternoon surf: Afternoon surf (27 Aug, local time) - 4.5ft (1.4m), 11s period with SSW swell.
- Evening surf: Evening surf (27 Aug, local time) - 4.5ft (1.3m), 11s period with S swell.
The current surf forecast for Thermopylae at 1PM is: 1.4m 11s primary swell from a South-southwest direction and 1.0m 12s secondary swell from a West-southwest direction (forecast issued at 07:00am August 27). The wind direction is predicted to be onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Aug) | 4.5ft (1.4m) | 11s |
| Afternoon (27 Aug) | 4.5ft (1.4m) | 11s |
| Evening (27 Aug) | 4.5ft (1.3m) | 11s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Sat afternoon. Warm (max 21°C on Thu morning, min 13°C on Sat night). Wind will be generally light. | |||||||||||||||||||||||
Thursday 27 | Friday 28 | Saturday 29 | |||||||||||||||||||||
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) | SSW 11 | S 11 | SSW 11 | SSW 11 | S 11 | S 11 | S 11 | S 11 | S 11 | WSW 16 | WSW 16 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 504 | 586 | 513 | 522 | 433 | 418 | 292 | 351 | 344 | 284 | 280 | 290 | 527 | 542 | 446 | 484 | 499 | 499 | 822 | 1191 | 1969 | 841 | 805 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | on | on | glassy | glassy | glassy | glassy | glassy | glassy | cross-on | cross | cross | cross | cross | glassy | glassy | cross-off | cross-on | cross | cross | cross |
High Tide | 2:51AM1.61m | 3:09PM1.72m | 3:20AM1.67m | 3:36PM1.78m | 3:50AM1.71m | 4:05PM1.82m | |||||||||||||||||
Low Tide | 8:55AM0.38m | 9:17PM0.38m | 9:23AM0.33m | 9:46PM0.32m | 9:52AM0.30m | 10:15PM0.29m | |||||||||||||||||
 |  |  | | |  | |  | | | | |  | | | | | | |  | | | | |
 | 7:11 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — |
 | — | — | — | — | 6:23 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:25 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — |
Temp °C | 21 | 21 | 21 | 20 | 18 | 16 | 16 | 15 | 14 | 14 | 18 | 18 | 17 | 17 | 15 | 15 | 14 | 15 | 16 | 16 | 14 | 14 | 13 |
Feels °C | 18 | 18 | 18 | 18 | 16 | 16 | 15 | 15 | 14 | 14 | 18 | 16 | 16 | 16 | 13 | 14 | 14 | 15 | 14 | 14 | 10 | 9 | 9 |
Swell 1 Height (m) Direction Period (s) | SSW 11 | S 11 | SSW 11 | SSW 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 |
| kJ | 504 | 586 | 513 | 522 | 433 | 418 | 292 | 351 | 344 | 284 | 279 | 220 | 527 | 542 | 446 | 484 | 499 | 499 | 822 | 1191 | 1969 | 841 | 805 |
Swell 2 Height (m) Direction Period (s) | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 16 | WSW 14 | S 10 | S 10 | S 10 | S 10 | S 10 | S 12 | S 11 | S 11 | S 11 | SSE 11 | SSE 11 |
| kJ | 274 | 250 | 246 | 247 | 180 | 180 | 138 | 138 | 135 | 121 | 280 | 290 | 168 | 131 | 128 | 98 | 72 | 137 | 88 | 61 | 61 | 40 | 23 |
Swell 3 Height (m) Direction Period (s) | SSW 15 | W 18 | SE 9 | S 15 | WSW 16 | WSW 16 | SSW 11 | WSW 15 | WSW 15 | WSW 16 | WSW 11 | WSW 11 | SSE 13 | SSE 14 | WSW 10 | WSW 17 | WSW 17 | WSW 17 | SSE 13 | SE 13 | — | — | — |
| kJ | 74 | 6 | 62 | 17 | 26 | 53 | 149 | 125 | 199 | 277 | 121 | 90 | 57 | 61 | 38 | 117 | 170 | 160 | 68 | 44 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 9 | SW 9 | SW 8 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 503 | 475 | 532 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 11 | 17 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 26 | 283 | 344 | 8 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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