Surf Forecasts:
How big are the waves at Jacobs Bay today (26 Sep):
- Morning surf: Morning surf (26 Sep, local time) - 4.5ft (1.4m), 16s period with SW swell.
- Afternoon surf: Afternoon surf (26 Sep, local time) - 7ft (2.1m), 15s period with SW swell.
- Evening surf: Evening surf (26 Sep, local time) - 7ft (2.1m), 14s period with SW swell.
The current surf forecast for Jacobs Bay at 1AM is: 1.5m 12s primary swell from a Southwest direction and 0.8m 17s secondary swell from a Southwest direction (forecast issued at 07:00pm September 25). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Sep) | 4.5ft (1.4m) | 16s |
| Afternoon (26 Sep) | 7ft (2.1m) | 15s |
| Evening (26 Sep) | 7ft (2.1m) | 14s |
Table - waves today at Jacobs Bay. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 15mm), heaviest on Sat morning. Very mild (max 19°C on Mon afternoon, min 12°C on Sun night). Winds increasing (calm on Sat afternoon, strong winds from the S by Sun afternoon). | |||||||||||||||||||
Fri 25 | Saturday 26 | Sunday 27 | |||||||||||||||||
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 16 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | S 8 | S 8 | S 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 683 | 671 | 671 | 551 | 728 | 964 | 2120 | 1941 | 1972 | 1836 | 1712 | 1428 | 1272 | 1093 | 971 | 985 | 1187 | 1355 | 1299 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | cross | cross-off | cross | cross | cross | cross-off | cross-off | cross | cross | cross-off | cross-off |
High Tide | 2:28PM1.59m | 2:46AM1.52m | 2:58PM1.66m | 3:18AM1.56m | 3:29PM1.70m | ||||||||||||||
Low Tide | 8:44PM0.08m | 8:49AM0.09m | 9:14PM0.01m | 9:19AM0.06m | 9:45PM-0.02m | ||||||||||||||
 |  | |  |  |  | | | | |  | | |  | | | |  | | |
 | — | — | — | — | 6:33 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — |
 | 6:45 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:46 | — | — |
mm | — | — | — | 2 | 4 | 5 | 3 | — | 1 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 17 | 17 | 17 | 16 | 16 | 16 | 17 | 16 | 16 | 15 | 14 | 14 | 13 | 14 | 14 | 14 | 13 | 13 |
Feels °C | 20 | 15 | 14 | 15 | 14 | 15 | 15 | 18 | 14 | 13 | 10 | 8 | 8 | 6 | 7 | 6 | 5 | 5 | 6 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 16 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 |
| kJ | 683 | 671 | 671 | 551 | 505 | 646 | 2120 | 1941 | 1972 | 1836 | 1712 | 1428 | 1272 | 1093 | 971 | 985 | 669 | 528 | 528 |
Swell 2 Height (m) Direction Period (s) | SW 20 | WSW 19 | SW 18 | SW 17 | SW 16 | SW 16 | — | S 9 | S 11 | — | — | — | — | — | — | — | — | — | — |
| kJ | 15 | 35 | 83 | 342 | 728 | 964 | — | 15 | 2 | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | SSW 16 | SSW 16 | S 11 | S 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 26 | 25 | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | S 3 | SSE 3 | — | — | S 4 | S 4 | S 5 | S 6 | SSW 6 | S 7 | S 7 | S 7 | S 8 | S 8 | S 8 | S 8 |
| kJ | — | — | — | 6 | 4 | — | — | 10 | 18 | 65 | 185 | 303 | 366 | 434 | 662 | 808 | 1187 | 1355 | 1299 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 28 | 28 | 28 | 28 | 0 | 0 | 0 | 0 | 18 | 28 | 82 | 176 | 413 | 413 | 413 | 413 | 413 | 400 | 99 |
Best forecast wave conditions in West Coast | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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