Surf Forecasts:
How big are the waves at Thermopylae today (29 Oct):
- Morning surf: Morning surf (29 Oct, local time) - 8ft (2.4m), 14s period with WSW swell.
- Afternoon surf: Afternoon surf (29 Oct, local time) - 7.5ft (2.3m), 13s period with WSW swell.
- Evening surf: Evening surf (29 Oct, local time) - 7ft (2.1m), 13s period with WSW swell.
The current surf forecast for Thermopylae at 6AM is: 2.4m 14s primary swell from a West-southwest direction and 0.1m 13s secondary swell from a Northwest direction (forecast issued at 01:00am October 29). An open ocean swell of 0.8m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Oct) | 8ft (2.4m) | 14s |
| Afternoon (29 Oct) | 7.5ft (2.3m) | 13s |
| Evening (29 Oct) | 7ft (2.1m) | 13s |
Table - waves today at Thermopylae. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 22°C on Thu afternoon, min 16°C on Sat night). Winds increasing (calm on Thu morning, fresh winds from the S by Fri afternoon). | ||||||||||||||||||||||||
Thursday 29 | Friday 30 | Saturday 31 | ||||||||||||||||||||||
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) | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 14 | WSW 11 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | WSW 11 | SW 14 | SW 13 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 2479 | 2445 | 2129 | 2313 | 1915 | 1753 | 1597 | 1230 | 505 | 864 | 769 | 769 | 1240 | 777 | 918 | 887 | 857 | 741 | 729 | 718 | 716 | 614 | 586 | 1027 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | glassy | cross-on | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross |
High Tide | 4:58AM1.71m | 5:11PM1.72m | 5:46AM1.62m | 6:03PM1.57m | 6:44AM1.52m | 7:08PM1.42m | ||||||||||||||||||
Low Tide | 10:58AM0.45m | 11:27PM0.40m | 11:50AM0.56m | 00:19AM0.54m | 12:58PM0.68m | |||||||||||||||||||
 | |  | | | | | | | | | | | | | |  | |  | | | | |  | |
 | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:10 | — | — | — | — | — | — | — | 7:12 | — | — | — | — | — | — | — | 7:13 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 17 | 19 | 21 | 22 | 21 | 18 | 17 | 17 | 17 | 18 | 21 | 22 | 20 | 18 | 17 | 17 | 17 | 17 | 19 | 20 | 19 | 17 | 17 |
Feels °C | 15 | 16 | 19 | 19 | 19 | 18 | 14 | 15 | 15 | 15 | 16 | 18 | 18 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 18 | 16 | 15 | 15 |
Swell 1 Height (m) Direction Period (s) | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 14 | WSW 11 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | WSW 11 | W 11 | SW 13 |
| kJ | 2479 | 2445 | 2129 | 2313 | 1915 | 1753 | 1597 | 1230 | 505 | 864 | 769 | 769 | 1240 | 777 | 918 | 887 | 857 | 741 | 729 | 718 | 716 | 614 | 433 | 1027 |
Swell 2 Height (m) Direction Period (s) | NW 13 | NW 13 | NW 13 | NW 13 | — | NW 12 | NW 12 | NW 12 | SW 12 | NW 12 | SW 16 | WSW 15 | SSW 12 | SW 12 | SW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | W 11 | SSW 10 | SW 14 | SW 14 | W 12 |
| kJ | 7 | 7 | 7 | 7 | — | 6 | 6 | 6 | 430 | 6 | 118 | 193 | 131 | 149 | 137 | 87 | 82 | 79 | 76 | 2 | 68 | 221 | 586 | 368 |
Swell 3 Height (m) Direction Period (s) | — | — | NW 13 | — | — | — | NW 12 | — | NW 12 | — | NW 12 | NW 12 | NW 12 | NW 12 | — | W 11 | W 11 | W 11 | W 11 | WSW 16 | W 11 | SSW 10 | SSW 10 | W 11 |
| kJ | — | — | 7 | — | — | — | 6 | — | 6 | — | 6 | 6 | 6 | 6 | — | 2 | 2 | 2 | 2 | 26 | 2 | 67 | 38 | 2 |
Wind waves Height (m) Direction Period (s) | SSE 5 | SSE 5 | SSE 6 | S 6 | SSE 5 | SSE 5 | SSE 4 | SSE 5 | SSE 5 | SSE 5 | SSE 5 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SSE 4 | S 4 | S 5 | S 5 | S 6 | S 6 |
| kJ | 30 | 37 | 42 | 40 | 35 | 37 | 31 | 48 | 64 | 52 | 56 | 36 | 24 | 22 | 22 | 22 | 24 | 33 | 33 | 33 | 49 | 90 | 101 | 85 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 1 | 8 | 21 | 344 | 8 | 6 | 8 | 17 | 139 | 344 | 344 | 87 | 8 | 8 | 6 | 10 | 139 | 405 | 405 | 115 | 27 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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