Surf Forecasts:
How big are the waves at Gansbaai today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 4.5ft (1.4m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 4.5ft (1.3m), 12s period with WSW swell.
- Evening surf: Evening surf (21 Sep, local time) - 4ft (1.2m), 11s period with SW swell.
The current surf forecast for Gansbaai at 4AM is: 1.6m 12s primary swell from a West-southwest direction (forecast issued at 07:00pm September 20). An open ocean swell of 0.9m 4s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 3.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 4.5ft (1.4m) | 12s |
| Afternoon (21 Sep) | 4.5ft (1.3m) | 12s |
| Evening (21 Sep) | 4ft (1.2m) | 11s |
Table - waves today at Gansbaai. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Mon night. Warm (max 24°C on Tue morning, min 15°C on Sun night). Winds increasing (calm on Tue morning, fresh winds from the SE by Wed afternoon). | |||||||||||||||||||
Sun 20 | Monday 21 | Tuesday 22 | |||||||||||||||||
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 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | SW 12 | WSW 12 | WSW 11 | SW 11 | SW 11 | SW 14 | SW 14 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 1162 | 953 | 908 | 759 | 658 | 647 | 578 | 464 | 433 | 360 | 314 | 284 | 186 | 386 | 424 | 379 | 494 | 486 | 369 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | off | off | off | off | off | off | off | off | off | off | off | cross-off | glassy | on | on | on | on |
High Tide | 11:41PM1.02m | 12:30PM1.10m | 00:36AM1.13m | 1:05PM1.24m | |||||||||||||||
Low Tide | 5:48PM0.72m | 6:14AM0.59m | 6:45PM0.59m | 6:54AM0.47m | 7:19PM0.46m | ||||||||||||||
 |  | |  | |  | | | | | | |  | | | |  | | | |
 | — | — | — | — | 6:33 | — | — | — | — | — | — | — | 6:33 | — | — | — | — | — | — |
 | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | 1 | — | — |
Temp °C | 21 | 17 | 15 | 15 | 16 | 16 | 18 | 21 | 21 | 16 | 16 | 15 | 16 | 19 | 24 | 21 | 21 | 18 | 16 |
Feels °C | 17 | 15 | 13 | 13 | 14 | 13 | 14 | 17 | 16 | 12 | 13 | 12 | 13 | 18 | 25 | 21 | 21 | 18 | 16 |
Swell 1 Height (m) Direction Period (s) | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | SW 12 | WSW 12 | WSW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 11 |
| kJ | 1162 | 953 | 908 | 759 | 658 | 647 | 578 | 464 | 433 | 360 | 314 | 268 | 145 | 386 | 424 | 379 | 494 | 486 | 369 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | WSW 11 | WSW 11 | ESE 7 | ESE 7 | SE 7 | SE 7 | SE 7 |
| kJ | — | — | — | — | — | — | — | 57 | 107 | 214 | 211 | 284 | 133 | 121 | 64 | 56 | 54 | 62 | 62 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | SW 14 | SW 14 | — | WSW 11 | WSW 11 | S 15 | S 14 | WSW 10 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 197 | 186 | — | 91 | 88 | 4 | 4 | 20 |
Wind waves Height (m) Direction Period (s) | SE 5 | ESE 4 | ESE 4 | SE 4 | SE 4 | ESE 4 | ESE 4 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | ESE 6 | E 6 | ENE 3 | — | — | — | — |
| kJ | 65 | 42 | 31 | 24 | 24 | 21 | 34 | 63 | 99 | 94 | 98 | 117 | 115 | 86 | 1 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 70 | 0 | 0 | 0 | 0 | 0 | 7 | 7 | 63 | 7 | 0 | 0 | 0 | 0 | 0 | 25 | 25 | 7 | 54 |
Best forecast wave conditions in Overberg | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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