Surf Forecasts:
How big are the waves at Thermopylae today (01 Aug):
- Morning surf: Morning surf (01 Aug, local time) - 4ft (1.2m), 14s period with SW swell.
- Afternoon surf: Afternoon surf (01 Aug, local time) - 4ft (1.2m), 13s period with SW swell.
- Evening surf: Evening surf (01 Aug, local time) - 4ft (1.2m), 13s period with SW swell.
The current surf forecast for Thermopylae at 1AM is: 1.0m 11s primary swell from a Southwest direction and 0.6m 16s secondary swell from a West-southwest direction (forecast issued at 07:00pm July 31). The wind direction is predicted to be offshore and the swell rating is 2.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 Aug) | 4ft (1.2m) | 14s |
| Afternoon (01 Aug) | 4ft (1.2m) | 13s |
| Evening (01 Aug) | 4ft (1.2m) | 13s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 23°C on Sat afternoon, min 16°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Fri 31 | Saturday 1 | Sunday 2 | |||||||||||||||||
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 11 | SW 11 | WSW 16 | SW 12 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | WSW 12 | SW 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 355 | 298 | 293 | 250 | 220 | 597 | 581 | 517 | 535 | 486 | 479 | 535 | 501 | 486 | 535 | 585 | 435 | 378 | 325 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | glassy | cross-off | off | off | off | cross-off | glassy | cross | cross-off | off | off | cross-off | cross | cross | cross-on | cross-on | glassy | glassy |
High Tide | 4:35PM1.72m | 4:44AM1.63m | 5:05PM1.74m | 5:17AM1.61m | 5:37PM1.73m | ||||||||||||||
Low Tide | 10:42PM0.42m | 10:48AM0.36m | 11:15PM0.41m | 11:19AM0.39m | |||||||||||||||
 |  | | |  |  |  | | | | | | | | | | | | | |
 | — | — | — | — | 7:39 | — | — | — | — | — | — | — | 7:37 | — | — | — | — | — | — |
 | 6:05 | — | — | — | — | — | — | — | 6:06 | — | — | — | — | — | — | — | 6:07 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 21 | 20 | 19 | 18 | 19 | 21 | 23 | 22 | 21 | 20 | 20 | 19 | 18 | 20 | 21 | 19 | 18 | 17 |
Feels °C | 18 | 19 | 17 | 16 | 15 | 15 | 18 | 20 | 19 | 18 | 17 | 16 | 16 | 14 | 17 | 18 | 17 | 17 | 16 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 11 | SW 11 | SW 11 | SW 12 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | WSW 12 | SW 12 |
| kJ | 355 | 298 | 293 | 250 | 220 | 597 | 581 | 517 | 535 | 486 | 479 | 535 | 501 | 486 | 535 | 585 | 435 | 378 | 325 |
Swell 2 Height (m) Direction Period (s) | SSE 5 | SW 16 | WSW 16 | WSW 16 | WSW 15 | SE 10 | SE 10 | SE 10 | SE 9 | SSW 16 | SE 11 | SE 11 | S 9 | S 9 | SSE 9 | S 9 | SW 16 | SW 15 | SW 14 |
| kJ | 5 | 68 | 102 | 215 | 188 | 4 | 4 | 4 | 42 | 25 | 4 | 4 | 15 | 15 | 16 | 6 | 124 | 309 | 301 |
Swell 3 Height (m) Direction Period (s) | WSW 18 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SE 10 | — | S 18 | — | SSW 16 | — | — | SE 11 | SE 9 | — | SE 12 | S 9 | SSE 9 | SSE 8 |
| kJ | 60 | 5 | 5 | 5 | 5 | 45 | — | 6 | — | 25 | — | — | 4 | 3 | — | 6 | 6 | 7 | 7 |
Wind waves Height (m) Direction Period (s) | SE 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NNW 3 | NW 3 | — | — |
| kJ | 52 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 2 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 6 | 6 | 17 | 6 | 0 | 0 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
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