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) - 6ft (1.9m), 17s period with SW swell.
The current surf forecast for Jacobs Bay at 2PM is: 1.8m 18s primary swell from a Southwest direction and 0.8m 10s secondary swell from a South-southeast direction (forecast issued at 07:00am August 12). The wind direction is predicted to be cross-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) | 6ft (1.9m) | 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 14°C on Fri morning). Winds decreasing (strong winds from the NNE on Wed night, calm by Fri night). | |||||||||||||||||||||||
Wednesday 12 | Thursday 13 | Friday 14 | |||||||||||||||||||||
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 20 | WSW 20 | SW 18 | SW 18 | WSW 18 | SW 17 | WSW 17 | SW 16 | SW 19 | SW 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 | 1809 | 2065 | 2134 | 2019 | 2138 | 2162 | 2215 | 1916 | 1845 | 1845 | 3378 | 2964 | 2599 | 2257 | 2257 | 2109 | 1698 | 1654 | 1475 | 1559 | 1559 | 1454 | 1244 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | cross-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 | cross-on | on | cross | 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 | 16 | 16 | 18 | 22 | 23 | 23 | 22 | 21 | 21 | 20 | 22 | 24 | 21 | 18 | 19 | 20 | 17 | 14 | 17 | 16 | 16 | 15 | 14 |
Feels °C | 11 | 11 | 13 | 18 | 17 | 18 | 13 | 12 | 12 | 11 | 13 | 18 | 17 | 14 | 14 | 15 | 13 | 11 | 14 | 13 | 15 | 15 | 14 |
Swell 1 Height (m) Direction Period (s) | WSW 20 | WSW 20 | SW 18 | SW 18 | WSW 18 | SW 17 | WSW 17 | SW 16 | WSW 16 | SW 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 | 1809 | 2065 | 2134 | 2019 | 2138 | 2162 | 2215 | 1916 | 1517 | 1845 | 3378 | 2964 | 2599 | 2257 | 2257 | 2109 | 1698 | 1654 | 1475 | 1559 | 1559 | 1454 | 1244 |
Swell 2 Height (m) Direction Period (s) | SSE 10 | S 11 | S 10 | SSE 10 | S 10 | — | SW 23 | SW 21 | SW 19 | WSW 19 | — | — | N 5 | — | — | — | — | — | — | — | NW 4 | NW 4 | WNW 4 |
| kJ | 221 | 375 | 302 | 105 | 164 | — | 257 | 890 | 1845 | 1684 | — | — | 26 | — | — | — | — | — | — | — | 12 | 7 | 8 |
Swell 3 Height (m) Direction Period (s) | SSW 11 | SW 11 | SW 10 | SW 10 | — | — | S 4 | SSE 10 | SSE 8 | SSE 7 | — | — | — | — | — | — | — | — | — | — | — | W 5 | NW 4 |
| kJ | 211 | 166 | 108 | 85 | — | — | 10 | 20 | 19 | 30 | — | — | — | — | — | — | — | — | — | — | — | 4 | 4 |
Wind waves Height (m) Direction Period (s) | E 4 | E 4 | E 4 | — | SSE 10 | SSE 10 | NE 4 | NNE 5 | NNE 6 | NNE 6 | NNE 6 | N 6 | — | — | — | — | NNW 4 | NW 4 | NW 4 | NW 4 | — | — | — |
| kJ | 14 | 18 | 14 | — | 214 | 176 | 23 | 86 | 154 | 215 | 248 | 92 | — | — | — | — | 14 | 18 | 15 | 16 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 98 | 86 | 69 | 69 | 101 | 118 | 127 | 0 | 47 | 47 | 69 | 31 | 17 | 127 | 29 | 28 | 0 |
Best forecast wave conditions in West Coast | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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