Surf Forecasts:
How big are the waves at Jacobs Bay today (07 Sep):
- Afternoon surf: Afternoon surf (07 Sep, local time) - 6ft (1.8m), 17s period with SW swell.
- Evening surf: Evening surf (07 Sep, local time) - 6ft (1.8m), 16s period with SW swell.
The current surf forecast for Jacobs Bay at 12AM is: 1.8m 15s primary swell from a Southwest direction and 0.9m 9s secondary swell from a South-southeast direction (forecast issued at 07:00pm September 06). The wind direction is predicted to be offshore and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Sep) | - | - |
| Afternoon (07 Sep) | 6ft (1.8m) | 17s |
| Evening (07 Sep) | 6ft (1.8m) | 16s |
Table - waves today at Jacobs Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 24°C on Mon afternoon, min 16°C on Tue night). Winds increasing (calm on Mon morning, fresh winds from the S by Wed afternoon). | |||||||||||||||||||
Sun 6 | Monday 7 | Tuesday 8 | |||||||||||||||||
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 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | WSW 13 | WSW 13 | SSW 12 | SW 12 | SSW 12 | WSW 12 | SSW 11 | S 10 | WSW 15 |
Wave Graph  | |||||||||||||||||||
 kJ | 1611 | 1571 | 1323 | 1343 | 1325 | 1480 | 1514 | 1285 | 1339 | 1319 | 722 | 440 | 425 | 678 | 379 | 203 | 218 | 130 | 146 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross-off | off | cross | cross-off | glassy | cross-on | cross-off | cross-off | cross | glassy | glassy | glassy | cross-on | cross-on | cross | cross | cross |
High Tide | 00:03AM1.22m | 12:45PM1.29m | 1:05AM1.34m | 1:34PM1.45m | |||||||||||||||
Low Tide | 5:54PM0.50m | 6:31AM0.36m | 7:01PM0.34m | 7:22AM0.23m | 7:50PM0.20m | ||||||||||||||
 |  | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:56 | — | — | — | — | — | — |
 | 6:34 | — | — | — | — | — | — | — | 6:34 | — | — | — | — | — | — | — | 6:35 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 21 | 23 | 23 | 20 | 19 | 22 | 24 | 22 | 23 | 22 | 22 | 19 | 20 | 21 | 24 | 21 | 19 | 20 |
Feels °C | 17 | 18 | 20 | 20 | 18 | 18 | 22 | 22 | 19 | 21 | 20 | 21 | 19 | 19 | 19 | 23 | 17 | 16 | 17 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | WSW 13 | SSW 12 | SSW 12 | SW 12 | SSW 12 | SSW 11 | SSW 11 | SW 11 | WSW 11 |
| kJ | 1611 | 1571 | 1323 | 1343 | 1325 | 1480 | 1514 | 1285 | 1339 | 1319 | 722 | 432 | 425 | 678 | 379 | 194 | 218 | 119 | 95 |
Swell 2 Height (m) Direction Period (s) | S 9 | — | SSE 9 | SSE 9 | S 8 | S 8 | S 6 | S 6 | SSE 6 | SSW 12 | S 12 | WSW 13 | WSW 12 | WSW 17 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | S 10 |
| kJ | 194 | — | 129 | 103 | 71 | 49 | 12 | 6 | 7 | 461 | 371 | 440 | 263 | 29 | 192 | 203 | 140 | 130 | 70 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | W 19 | SW 19 | SW 12 | SW 12 | — | WSW 16 | SW 11 | SW 16 | WSW 15 | WSW 15 |
| kJ | — | — | — | — | — | — | — | — | — | 7 | 14 | 92 | 90 | — | 26 | 63 | 63 | 88 | 146 |
Wind waves Height (m) Direction Period (s) | S 9 | S 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 2 | S 10 | S 4 |
| kJ | 125 | 157 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 125 | 14 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 31 | 29 | 0 | 0 | 17 | 0 | 0 | 29 | 0 | 0 | 18 | 0 | 0 | 0 | 17 | 31 | 31 | 28 | 28 |
Best forecast wave conditions in West Coast | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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