Surf Forecasts:
How big are the waves at Jacobs Bay today (12 Aug):
- Morning surf: Morning surf (12 Aug, local time) - 5.5ft (1.7m), 19s period with WSW swell.
- Afternoon surf: Afternoon surf (12 Aug, local time) - 6ft (1.8m), 18s period with SW swell.
- Evening surf: Evening surf (12 Aug, local time) - 6.5ft (2.0m), 17s period with WSW swell.
The current surf forecast for Jacobs Bay at 9AM is: 1.7m 19s primary swell from a West-southwest direction and 1.1m 10s secondary swell from a South direction (forecast issued at 01:00am August 12). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Aug) | 5.5ft (1.7m) | 19s |
| Afternoon (12 Aug) | 6ft (1.8m) | 18s |
| Evening (12 Aug) | 6.5ft (2.0m) | 17s |
Table - waves today at Jacobs Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 25°C on Thu afternoon, min 13°C on Fri night). Winds decreasing (strong winds from the NNE on Thu morning, calm by Fri night). | ||||||||||||||||||||||||
Wednesday 12 | Thursday 13 | Friday 14 | ||||||||||||||||||||||
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 | 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 21 | WSW 20 | WSW 20 | SW 18 | SW 18 | WSW 18 | WSW 17 | SW 17 | SW 16 | SW 19 | SW 16 | SW 17 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1717 | 1809 | 2065 | 2134 | 2019 | 2138 | 2351 | 2037 | 1916 | 1660 | 1694 | 3146 | 2964 | 2599 | 2257 | 2257 | 2109 | 1698 | 1654 | 1475 | 1559 | 1538 | 1454 | 1244 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-off | cross-off | cross | cross | cross-on | cross-on | cross-on | on | glassy | glassy |
High Tide | 2:47AM1.55m | 3:13PM1.64m | 3:30AM1.59m | 3:52PM1.70m | 4:09AM1.58m | 4:29PM1.71m | ||||||||||||||||||
Low Tide | 9:01AM0.03m | 9:27PM0.05m | 9:39AM-0.01m | 10:07PM0.01m | 10:16AM0.00m | 10:45PM0.03m | ||||||||||||||||||
 | |  | | | |  | | | | | | | | | | | | | |  | | | | |
 | — | 7:28 | — | — | — | — | — | — | — | 7:28 | — | — | — | — | — | — | — | 7:26 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:19 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 15 | 16 | 18 | 22 | 24 | 24 | 22 | 21 | 21 | 20 | 21 | 25 | 21 | 18 | 19 | 21 | 19 | 17 | 17 | 17 | 15 | 14 | 14 |
Feels °C | 10 | 9 | 10 | 12 | 17 | 18 | 19 | 13 | 11 | 11 | 11 | 11 | 18 | 17 | 14 | 14 | 16 | 14 | 13 | 13 | 14 | 13 | 14 | 15 |
Swell 1 Height (m) Direction Period (s) | WSW 21 | WSW 20 | WSW 20 | SW 18 | SW 18 | WSW 18 | WSW 17 | SW 17 | SW 16 | WSW 16 | SW 16 | SW 17 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 |
| kJ | 1717 | 1809 | 2065 | 2134 | 2019 | 2138 | 2351 | 2037 | 1916 | 1517 | 1694 | 3146 | 2964 | 2599 | 2257 | 2257 | 2109 | 1698 | 1654 | 1475 | 1559 | 1538 | 1454 | 1244 |
Swell 2 Height (m) Direction Period (s) | SSW 11 | SSE 10 | S 11 | S 10 | SSE 10 | S 10 | — | SW 23 | SW 21 | SW 19 | SW 19 | — | — | N 6 | — | — | — | — | — | — | — | — | — | WNW 4 |
| kJ | 251 | 193 | 326 | 216 | 105 | 162 | — | 257 | 890 | 1660 | 1503 | — | — | 38 | — | — | — | — | — | — | — | — | — | 5 |
Swell 3 Height (m) Direction Period (s) | — | SSW 11 | — | — | SW 10 | — | — | S 10 | SSE 10 | SSE 9 | SSE 7 | — | — | — | — | — | — | — | — | — | — | — | — | W 5 |
| kJ | — | 211 | — | — | 85 | — | — | 50 | 20 | 29 | 30 | — | — | — | — | — | — | — | — | — | — | — | — | 8 |
Wind waves Height (m) Direction Period (s) | SSE 9 | E 4 | ESE 4 | ESE 4 | SE 9 | SSE 10 | SSE 10 | NE 4 | NNE 5 | NNE 6 | NNE 6 | NNE 6 | N 6 | — | N 5 | — | — | NNW 4 | NNW 4 | NNW 4 | — | — | — | — |
| kJ | 348 | 9 | 14 | 11 | 141 | 214 | 131 | 34 | 113 | 171 | 223 | 352 | 130 | — | 20 | — | — | 13 | 16 | 12 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 98 | 86 | 69 | 47 | 101 | 118 | 31 | 0 | 47 | 47 | 47 | 69 | 110 | 127 | 29 | 0 | 0 |
Best forecast wave conditions in West Coast | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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