Surf Forecasts:
How big are the waves at Jacobs Bay today (31 Jul):
- Morning surf: Morning surf (31 Jul, local time) - 4.5ft (1.3m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (31 Jul, local time) - 4ft (1.2m), 12s period with SW swell.
- Evening surf: Evening surf (31 Jul, local time) - 3.5ft (1.1m), 12s period with SW swell.
The current surf forecast for Jacobs Bay at 4AM is: 1.3m 13s primary swell from a Southwest direction and 0.1m 20s secondary swell from a West direction (forecast issued at 07:00pm July 30). The wind direction is predicted to be offshore and the swell rating is 3.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Jul) | 4.5ft (1.3m) | 12s |
| Afternoon (31 Jul) | 4ft (1.2m) | 12s |
| Evening (31 Jul) | 3.5ft (1.1m) | 12s |
Table - waves today at Jacobs Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 23°C on Sat afternoon, min 17°C on Sun afternoon). Wind will be generally light. | |||||||||||||||||||
Thu 30 | Friday 31 | Saturday 1 | |||||||||||||||||
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 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | WSW 16 | SW 12 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 |
Wave Graph  | |||||||||||||||||||
 kJ | 746 | 669 | 680 | 609 | 600 | 555 | 416 | 457 | 403 | 338 | 283 | 245 | 220 | 658 | 731 | 671 | 543 | 535 | 527 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | glassy | cross-on | cross-off | cross-off |
High Tide | 4:03PM1.51m | 4:10AM1.44m | 4:33PM1.54m | 4:41AM1.44m | 5:03PM1.55m | ||||||||||||||
Low Tide | 10:11PM0.22m | 10:18AM0.12m | 10:42PM0.20m | 10:47AM0.13m | |||||||||||||||
 |  |  | | |  | | | |  | | | |  | | | | | | |
 | — | — | — | — | 7:39 | — | — | — | — | — | — | — | 7:39 | — | — | — | — | — | — |
 | 6:07 | — | — | — | — | — | — | — | 6:08 | — | — | — | — | — | — | — | 6:09 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 22 | 22 | 21 | 21 | 20 | 20 | 20 | 21 | 23 | 23 | 21 | 21 |
Feels °C | 14 | 14 | 14 | 16 | 15 | 14 | 15 | 19 | 18 | 17 | 16 | 15 | 15 | 15 | 17 | 20 | 20 | 17 | 17 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 12 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 |
| kJ | 746 | 669 | 680 | 609 | 600 | 555 | 416 | 457 | 403 | 338 | 283 | 245 | 220 | 658 | 731 | 671 | 543 | 535 | 527 |
Swell 2 Height (m) Direction Period (s) | — | — | — | S 6 | W 20 | W 19 | SSE 5 | WSW 18 | WSW 18 | NNE 5 | WSW 16 | WSW 16 | WSW 15 | — | SSE 5 | — | N 5 | N 4 | SW 16 |
| kJ | — | — | — | 18 | 7 | 7 | 9 | 31 | 60 | 10 | 102 | 217 | 191 | — | 5 | — | 2 | 2 | 10 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | W 19 | W 19 | SW 19 | — | NNE 5 | SW 16 | N 5 | SSE 5 | — | — | — | — | — | N 5 | — |
| kJ | — | — | — | — | 7 | 7 | 14 | — | 5 | 69 | 4 | 5 | — | — | — | — | — | 2 | — |
Wind waves Height (m) Direction Period (s) | — | SSE 3 | — | — | — | — | — | SSE 5 | SSE 5 | SSE 5 | SSE 3 | ENE 4 | SSE 4 | SE 5 | — | — | — | — | — |
| kJ | — | 3 | — | — | — | — | — | 9 | 5 | 5 | 3 | 4 | 2 | 6 | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 28 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 28 | 18 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | 0 |
Best forecast wave conditions in West Coast | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
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