Surf Forecasts:
How big are the waves at Jacobs Bay today (19 Aug):
- Morning surf: Morning surf (19 Aug, local time) - 10ft (3.0m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (19 Aug, local time) - 8ft (2.5m), 12s period with SW swell.
- Evening surf: Evening surf (19 Aug, local time) - 8ft (2.4m), 12s period with SW swell.
The current surf forecast for Jacobs Bay at 10PM is: 2.4m 12s primary swell from a Southwest direction (forecast issued at 01:00pm August 19). The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Aug) | 10ft (3.0m) | 12s |
| Afternoon (19 Aug) | 8ft (2.5m) | 12s |
| Evening (19 Aug) | 8ft (2.4m) | 12s |
Table - waves today at Jacobs Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 15°C on Fri morning, min 12°C on Thu night). Winds decreasing (fresh winds from the S on Wed afternoon, calm by Sat morning). | |||||||||||||||||||||
Wed 19 | Thursday 20 | Friday 21 | |||||||||||||||||||
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 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 14 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | WSW 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2302 | 2078 | 1934 | 1731 | 1659 | 1591 | 2077 | 3216 | 3597 | 3267 | 2904 | 2148 | 2001 | 1880 | 1655 | 1052 | 914 | 756 | 743 | 671 | 372 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-on | cross | cross-on |
High Tide | 7:31PM1.16m | 8:10AM1.00m | 8:35PM1.05m | 9:51AM0.94m | 10:26PM1.00m | ||||||||||||||||
Low Tide | 1:08PM0.52m | 1:56AM0.54m | 2:00PM0.63m | 3:21AM0.63m | 3:58PM0.71m | ||||||||||||||||
 | | |  | | | | | | | | | | | | | | |  | | | |
 | — | — | — | — | — | — | 7:20 | — | — | — | — | — | — | — | 7:20 | — | — | — | — | — | — |
 | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 14 | 14 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 15 | 14 | 14 | 13 | 13 |
Feels °C | 7 | 8 | 8 | 8 | 10 | 11 | 11 | 11 | 9 | 9 | 9 | 8 | 8 | 9 | 8 | 8 | 12 | 10 | 10 | 9 | 9 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 14 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | WSW 11 |
| kJ | 2302 | 2078 | 1934 | 1731 | 1659 | 1591 | 2077 | 3216 | 3597 | 3267 | 2904 | 2148 | 2001 | 1880 | 1655 | 1052 | 914 | 756 | 743 | 671 | 372 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSW 11 | SSW 11 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 286 | 286 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 5 | — | — | — | — | — | — | — | — | — | — | S 4 | — | S 5 | — | S 6 | S 7 | S 7 | S 7 | S 6 | S 6 |
| kJ | 76 | — | — | — | — | — | — | — | — | — | — | 40 | — | 70 | — | 137 | 124 | 135 | 139 | 139 | 139 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 135 | 135 | 131 | 101 | 28 | 28 | 28 | 29 | 29 | 29 | 112 | 101 | 28 | 28 | 28 | 28 | 18 | 29 | 31 | 84 | 31 |
Best forecast wave conditions in West Coast | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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