Surf Forecasts:
How big are the waves at Jacobs Bay today (21 Aug):
- Afternoon surf: Afternoon surf (21 Aug, local time) - 6ft (1.9m), 11s period with SW swell.
- Evening surf: Evening surf (21 Aug, local time) - 6.5ft (2.0m), 11s period with SW swell.
The current surf forecast for Jacobs Bay at 10PM is: 2.0m 11s primary swell from a Southwest direction (forecast issued at 07:00pm August 21). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | - | - |
| Afternoon (21 Aug) | 6ft (1.9m) | 11s |
| Evening (21 Aug) | 6.5ft (2.0m) | 11s |
Table - waves today at Jacobs Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 16°C on Sat night, min 13°C on Fri night). Winds increasing (light winds from the SSW on Sat morning, fresh winds from the S by Mon afternoon). | |||||||||||||||||||
Fri 21 | Saturday 22 | Sunday 23 | |||||||||||||||||
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 11 | SW 11 | SW 11 | SSW 10 | WSW 11 | SSW 11 | SSW 10 | SSW 11 | SSW 13 | SW 12 | SW 11 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 1008 | 932 | 1009 | 451 | 385 | 353 | 352 | 372 | 469 | 646 | 821 | 630 | 1805 | 1647 | 1569 | 1569 | 1323 | 1345 | 1144 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross | cross-on | cross | on | on | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off |
High Tide | 10:26PM1.00m | 11:52AM0.98m | 00:05AM1.05m | 12:56PM1.08m | |||||||||||||||
Low Tide | 3:58PM0.71m | 5:33AM0.61m | 6:09PM0.66m | 6:45AM0.52m | 7:07PM0.56m | ||||||||||||||
 |  |  | |  |  | | | | | | | | | | | | | | |
 | — | — | — | — | 7:18 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — |
 | 6:22 | — | — | — | — | — | — | — | 6:23 | — | — | — | — | — | — | — | 6:24 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 13 | 13 | 13 | 14 | 15 | 15 | 15 | 16 | 15 | 14 | 13 | 13 | 13 | 15 | 14 | 14 | 14 |
Feels °C | 10 | 11 | 9 | 11 | 11 | 14 | 14 | 12 | 13 | 15 | 15 | 13 | 12 | 11 | 11 | 11 | 9 | 10 | 10 |
Swell 1 Height (m) Direction Period (s) | SW 11 | SW 11 | WSW 11 | SSW 10 | SSW 10 | SSW 11 | SSW 10 | SSW 11 | SSW 13 | SW 12 | SW 11 | SSW 10 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 |
| kJ | 1008 | 932 | 366 | 451 | 385 | 353 | 352 | 372 | 469 | 646 | 821 | 386 | 1805 | 1647 | 1569 | 1569 | 1323 | 1345 | 1144 |
Swell 2 Height (m) Direction Period (s) | — | — | — | WSW 11 | WSW 11 | WSW 10 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 15 | WSW 14 | SW 12 | SSW 12 | SW 12 | SSW 12 | SSW 11 | SSW 11 | — |
| kJ | — | — | — | 372 | 359 | 265 | 214 | 163 | 166 | 69 | 246 | 630 | 152 | 96 | 137 | 177 | 66 | 65 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | SSW 14 | SSW 14 | SSW 14 | — | W 18 | WSW 17 | WSW 16 | SW 10 | WSW 9 | — | — | — | — | — | — | — |
| kJ | — | — | — | 68 | 75 | 121 | — | 6 | 27 | 100 | 25 | 272 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | SW 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | S 4 | — | S 4 |
| kJ | — | — | 1009 | — | — | — | — | — | — | — | — | — | — | — | — | — | 9 | — | 23 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 31 | 31 | 29 | 28 | 28 | 18 | 17 | 31 | 31 | 28 | 0 | 0 | 0 | 28 | 0 | 29 | 106 | 28 | 28 |
Best forecast wave conditions in West Coast | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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