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) - 7ft (2.1m), 11s period with SW swell.
The current surf forecast for Jacobs Bay at 1AM is: 2.5m 12s primary swell from a Southwest direction (forecast issued at 07:00pm August 20). An open ocean swell of 1.1m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 7ft (2.2m) | 12s |
| Afternoon (21 Aug) | 6ft (1.9m) | 11s |
| Evening (21 Aug) | 7ft (2.1m) | 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 12°C on Thu night). Winds decreasing (fresh winds from the S on Thu night, calm by Sat morning). | |||||||||||||||||||
Thu 20 | Friday 21 | Saturday 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) | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SSW 10 | WSW 11 | SSW 11 | SSW 10 | SSW 13 | SSW 13 | SW 11 | SW 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 2904 | 2148 | 2096 | 1880 | 1735 | 1495 | 914 | 882 | 1027 | 1009 | 1009 | 451 | 333 | 302 | 352 | 469 | 469 | 662 | 901 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross-on | cross | glassy | glassy | cross-on | cross-on | cross | cross-off |
High Tide | 8:35PM1.05m | 9:51AM0.94m | 10:26PM1.00m | 11:52AM0.98m | |||||||||||||||
Low Tide | 3:21AM0.63m | 3:58PM0.71m | 5:33AM0.61m | 6:09PM0.66m | |||||||||||||||
 |  | | | | | | | |  | | |  | | | | | | | |
 | — | — | — | — | 7:20 | — | — | — | — | — | — | — | 7:18 | — | — | — | — | — | — |
 | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:23 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 13 | 13 | 12 | 12 | 12 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 14 | 15 | 15 | 15 | 15 | 16 |
Feels °C | 9 | 8 | 8 | 8 | 8 | 9 | 11 | 10 | 9 | 9 | 10 | 10 | 12 | 14 | 15 | 13 | 13 | 13 | 15 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | 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 |
| kJ | 2904 | 2148 | 2096 | 1880 | 1735 | 1495 | 914 | 882 | 1027 | 1009 | 366 | 451 | 333 | 302 | 352 | 469 | 469 | 662 | 901 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | WSW 11 | WSW 11 | WSW 10 | WSW 11 | WSW 10 | WSW 10 | SW 16 | WSW 15 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 372 | 311 | 265 | 214 | 163 | 135 | 65 | 193 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | SSW 14 | SSW 14 | SSW 14 | — | W 18 | WSW 17 | SW 10 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 68 | 75 | 121 | — | 6 | 27 | 16 | — |
Wind waves Height (m) Direction Period (s) | — | S 5 | — | S 5 | S 5 | S 6 | S 6 | S 6 | — | S 6 | SW 11 | SSW 5 | — | — | — | — | — | — | — |
| kJ | — | 41 | — | 61 | 94 | 92 | 92 | 74 | — | 83 | 1009 | 35 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 135 | 131 | 28 | 28 | 28 | 0 | 0 | 31 | 31 | 29 | 29 | 28 | 18 | 0 | 0 | 31 | 31 | 29 | 0 |
Best forecast wave conditions in West Coast | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Jacobs Bay surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest