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 11AM is: 1.2m 12s primary swell from a Southwest direction and 0.4m 5s secondary swell from a South-southeast direction (forecast issued at 07:00am July 31). The wind direction is predicted to be offshore and the swell rating is 2.
| 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 22°C on Fri night, min 16°C on Sun night). Wind will be generally light. | |||||||||||||||||||||||
Friday 31 | Saturday 1 | Sunday 2 | |||||||||||||||||||||
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) | 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 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 600 | 555 | 416 | 409 | 403 | 338 | 283 | 217 | 254 | 658 | 731 | 671 | 543 | 535 | 527 | 527 | 535 | 486 | 535 | 535 | 494 | 428 | 361 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | cross-off | cross | cross-off | cross-off | off | off | off | cross-off | glassy | cross | cross-off | cross-off | off | cross-off | cross-off | cross | cross-on | cross-on | cross | cross-off |
High Tide | 4:10AM1.44m | 4:33PM1.54m | 4:41AM1.44m | 5:03PM1.55m | 5:14AM1.41m | 5:34PM1.53m | |||||||||||||||||
Low Tide | 10:18AM0.12m | 10:42PM0.20m | 10:47AM0.13m | 11:13PM0.20m | 11:16AM0.17m | ||||||||||||||||||
 |  | | | | | | | | | | | | | | | | | | | | | | |
 | 7:39 | — | — | — | — | — | — | — | 7:39 | — | — | — | — | — | — | — | 7:37 | — | — | — | — | — | — |
 | — | — | — | — | 6:08 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 19 | 19 | 21 | 21 | 22 | 21 | 20 | 20 | 20 | 21 | 22 | 22 | 21 | 21 | 20 | 18 | 17 | 18 | 19 | 18 | 17 | 17 |
Feels °C | 15 | 14 | 15 | 18 | 17 | 18 | 16 | 15 | 15 | 15 | 17 | 19 | 18 | 16 | 17 | 16 | 14 | 13 | 14 | 16 | 16 | 15 | 15 |
Swell 1 Height (m) Direction Period (s) | 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 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 |
| kJ | 600 | 555 | 416 | 409 | 403 | 338 | 283 | 213 | 254 | 658 | 731 | 671 | 543 | 535 | 527 | 527 | 535 | 486 | 535 | 535 | 494 | 428 | 361 |
Swell 2 Height (m) Direction Period (s) | W 20 | W 19 | SSE 5 | WSW 18 | NNE 5 | NNE 5 | WSW 16 | WSW 16 | WSW 15 | — | — | — | N 5 | N 4 | SW 16 | N 10 | N 10 | S 9 | S 9 | S 9 | SW 16 | SW 15 | SW 14 |
| kJ | 7 | 7 | 9 | 61 | 9 | 11 | 102 | 217 | 191 | — | — | — | 4 | 4 | 10 | 2 | 2 | 15 | 14 | 6 | 41 | 226 | 305 |
Swell 3 Height (m) Direction Period (s) | W 19 | W 19 | SW 19 | WSW 18 | WSW 18 | SW 16 | N 5 | NNE 4 | — | — | — | — | — | SSW 16 | — | — | — | — | — | — | S 9 | S 9 | WSW 18 |
| kJ | 7 | 7 | 14 | 31 | 60 | 69 | 5 | 2 | — | — | — | — | — | 25 | — | — | — | — | — | — | 6 | 6 | 31 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SSE 5 | SSE 5 | SSE 3 | SSE 3 | SSE 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 5 | 5 | 3 | 2 | 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 18 | 28 | 18 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | 0 | 0 | 0 | 0 | 17 | 127 | 28 | 18 | 0 |
Best forecast wave conditions in West Coast | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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