Surf Forecasts:
How big are the waves at Jacobs Bay today (13 Aug):
- Afternoon surf: Afternoon surf (13 Aug, local time) - 6ft (1.8m), 18s period with SW swell.
- Evening surf: Evening surf (13 Aug, local time) - 6.5ft (2.0m), 17s period with WSW swell.
The current surf forecast for Jacobs Bay at 12AM is: 2.0m 16s primary swell from a West-southwest direction and 0.7m 22s secondary swell from a Southwest direction (forecast issued at 07:00pm August 12). An open ocean swell of 0.8m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Aug) | - | - |
| Afternoon (13 Aug) | 6ft (1.8m) | 18s |
| Evening (13 Aug) | 6.5ft (2.0m) | 17s |
Table - waves today at Jacobs Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 24°C on Thu afternoon, min 13°C on Fri night). Winds decreasing (strong winds from the NE on Wed night, calm by Fri night). | |||||||||||||||||||
Wed 12 | Thursday 13 | Friday 14 | |||||||||||||||||
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 18 | SW 17 | WSW 17 | SW 16 | SW 19 | WSW 16 | WSW 17 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 14 | WSW 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 2138 | 2162 | 2215 | 1916 | 1845 | 1743 | 3378 | 2964 | 2599 | 2257 | 2257 | 2028 | 1698 | 1654 | 1475 | 1475 | 1475 | 1318 | 1244 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-off | cross-off | cross | cross | cross-on | cross | cross-on | cross-on | cross | glassy |
High Tide | 3:13PM1.64m | 3:30AM1.59m | 3:52PM1.70m | 4:09AM1.58m | 4:29PM1.71m | ||||||||||||||
Low Tide | 9:27PM0.05m | 9:39AM-0.01m | 10:07PM0.01m | 10:16AM0.00m | 10:45PM0.03m | ||||||||||||||
 |  |  | | | | | | | | | | | | |  | | | | |
 | — | — | — | — | 7:28 | — | — | — | — | — | — | — | 7:26 | — | — | — | — | — | — |
 | 6:16 | — | — | — | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:19 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 23 | 22 | 23 | 21 | 21 | 20 | 21 | 24 | 21 | 18 | 19 | 19 | 15 | 14 | 16 | 15 | 15 | 14 | 14 |
Feels °C | 17 | 16 | 15 | 12 | 12 | 12 | 12 | 18 | 17 | 14 | 14 | 13 | 11 | 11 | 12 | 12 | 14 | 14 | 14 |
Swell 1 Height (m) Direction Period (s) | WSW 18 | SW 17 | WSW 17 | SW 16 | WSW 16 | WSW 16 | WSW 17 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 14 | WSW 14 |
| kJ | 2138 | 2162 | 2215 | 1916 | 1517 | 1743 | 3378 | 2964 | 2599 | 2257 | 2257 | 2028 | 1698 | 1654 | 1475 | 1475 | 1475 | 1318 | 1244 |
Swell 2 Height (m) Direction Period (s) | S 10 | — | SW 23 | SW 21 | SW 19 | WSW 19 | — | — | N 5 | N 5 | — | — | — | — | — | — | NW 5 | WNW 5 | W 5 |
| kJ | 128 | — | 257 | 890 | 1845 | 1684 | — | — | 28 | 20 | — | — | — | — | — | — | 17 | 19 | 25 |
Swell 3 Height (m) Direction Period (s) | — | — | S 8 | SSE 10 | SSE 10 | — | — | — | — | — | — | — | — | — | — | — | W 6 | — | W 18 |
| kJ | — | — | 29 | 19 | 31 | — | — | — | — | — | — | — | — | — | — | — | 5 | — | 162 |
Wind waves Height (m) Direction Period (s) | — | SSE 10 | ESE 4 | NNE 5 | NNE 6 | NNE 6 | NNE 6 | N 6 | — | — | — | N 4 | NNW 4 | NNW 4 | NW 4 | NW 5 | — | — | — |
| kJ | — | 176 | 17 | 67 | 124 | 121 | 154 | 98 | — | — | — | 13 | 18 | 24 | 21 | 17 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 18 | 97 | 69 | 69 | 69 | 101 | 123 | 97 | 0 | 47 | 47 | 69 | 69 | 142 | 127 | 82 | 17 | 0 |
Best forecast wave conditions in West Coast | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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