Surf Forecasts:
How big are the waves at Jacobs Bay today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 7ft (2.2m), 12s period with SW swell.
- 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 4PM is: 2.0m 11s primary swell from a Southwest direction and 1.0m 6s secondary swell from a South direction (forecast issued at 01:00pm August 21). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 7ft (2.2m) | 12s |
| 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 15°C on Fri afternoon, min 12°C on Sun night). Wind will be generally light. | |||||||||||||||||||||
Fri 21 | Saturday 22 | Sunday 23 | |||||||||||||||||||
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) | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SSW 10 | SSW 10 | SSW 11 | SSW 10 | SSW 13 | SSW 13 | SW 11 | SW 11 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | SW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 914 | 882 | 1008 | 932 | 932 | 451 | 385 | 353 | 352 | 469 | 402 | 573 | 749 | 630 | 1805 | 1647 | 1465 | 1442 | 1622 | 1106 | 1392 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross | cross-on | cross | cross | cross-on | glassy | cross-on | on | on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off |
High Tide | 9:51AM0.94m | 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 | 15 | 14 | 13 | 13 | 13 | 13 | 14 | 15 | 15 | 15 | 15 | 15 | 14 | 13 | 13 | 14 | 15 | 14 | 14 | 14 |
Feels °C | 11 | 11 | 10 | 9 | 9 | 11 | 12 | 14 | 14 | 12 | 12 | 13 | 15 | 13 | 12 | 11 | 11 | 11 | 9 | 9 | 9 |
Swell 1 Height (m) Direction Period (s) | SW 11 | SW 11 | SW 11 | SW 11 | WSW 11 | SSW 10 | SSW 10 | SSW 11 | SSW 10 | SSW 13 | SSW 13 | SW 11 | SW 11 | SSW 11 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | SW 12 |
| kJ | 914 | 882 | 1008 | 932 | 366 | 451 | 385 | 353 | 352 | 469 | 402 | 573 | 749 | 450 | 1805 | 1647 | 1465 | 1442 | 1622 | 1106 | 1392 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | WSW 11 | WSW 11 | WSW 10 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 15 | WSW 10 | SW 12 | SSW 12 | SW 12 | SSW 12 | SSW 11 | — | — |
| kJ | — | — | — | — | — | 372 | 311 | 265 | 214 | 163 | 135 | 38 | 191 | 333 | 147 | 96 | 205 | 174 | 46 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | SSW 14 | SSW 14 | SSW 14 | — | W 18 | WSW 17 | WSW 16 | — | WSW 14 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 68 | 75 | 121 | — | 6 | 27 | 100 | — | 630 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 6 | S 6 | — | — | SW 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | S 4 | SSW 11 | S 4 |
| kJ | 92 | 76 | — | — | 932 | — | — | — | — | — | — | — | — | — | — | — | — | — | 9 | 286 | 22 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 28 | 28 | 28 | 31 | 31 | 31 | 29 | 28 | 28 | 0 | 17 | 127 | 31 | 28 | 0 | 0 | 18 | 28 | 0 | 29 | 106 |
Best forecast wave conditions in West Coast | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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