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 2AM is: 3.0m 12s primary swell from a Southwest direction (forecast issued at 07:00pm August 18). The wind direction is predicted to be cross-offshore and the swell rating is 11.
| 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 Thu morning, min 12°C on Tue night). Mainly fresh winds. | |||||||||||||||||||
Tue 18 | Wednesday 19 | Thursday 20 | |||||||||||||||||
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 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 1834 | 2744 | 2834 | 2665 | 2495 | 2341 | 2185 | 1966 | 1830 | 1632 | 1659 | 1591 | 1830 | 2561 | 3250 | 3153 | 2904 | 2183 | 2001 |
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 | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off |
High Tide | 6:49PM1.30m | 7:14AM1.11m | 7:31PM1.16m | 8:10AM1.00m | 8:35PM1.05m | ||||||||||||||
Low Tide | 1:09AM0.43m | 1:08PM0.52m | 1:56AM0.54m | 2:00PM0.63m | |||||||||||||||
 |  | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:20 | — | — | — | — | — | — |
 | 6:21 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 13 | 12 | 12 | 12 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 14 | 13 | 13 |
Feels °C | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 10 | 11 | 11 | 11 | 11 | 10 | 9 | 8 | 9 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 |
| kJ | 1834 | 2744 | 2834 | 2665 | 2495 | 2341 | 2185 | 1966 | 1830 | 1632 | 1659 | 1591 | 1830 | 2561 | 3250 | 3153 | 2904 | 2183 | 2001 |
Swell 2 Height (m) Direction Period (s) | WSW 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 447 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 4 | S 4 | SSE 4 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 9 | 31 | 43 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 150 | 161 | 29 | 29 | 29 | 29 | 106 | 112 | 112 | 106 | 28 | 28 | 28 | 28 | 29 | 106 | 150 | 114 | 28 |
Best forecast wave conditions in West Coast | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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