Surf Forecasts:
How big are the waves at Jacobs Bay today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 4.5ft (1.3m), 12s period with WSW swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 4ft (1.2m), 12s period with SW swell.
- Evening surf: Evening surf (21 Sep, local time) - 4ft (1.2m), 11s period with SW swell.
The current surf forecast for Jacobs Bay at 10AM is: 1.3m 12s primary swell from a West-southwest direction and 1.1m 7s secondary swell from a South direction, 1.3m 6s secondary swell from a South direction (forecast issued at 01:00am September 21). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 4.5ft (1.3m) | 12s |
| Afternoon (21 Sep) | 4ft (1.2m) | 12s |
| Evening (21 Sep) | 4ft (1.2m) | 11s |
Table - waves today at Jacobs Bay. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Tue morning. Warm (max 26°C on Tue morning, min 14°C on Tue night). Winds increasing (light winds from the SSE on Tue night, fresh winds from the S by Wed afternoon). | ||||||||||||||||||||||||
Monday 21 | Tuesday 22 | Wednesday 23 | ||||||||||||||||||||||
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 | 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 12 | WSW 12 | WSW 12 | WSW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SSW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | S 6 | S 8 | S 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 647 | 554 | 480 | 472 | 414 | 393 | 366 | 314 | 314 | 314 | 297 | 458 | 486 | 435 | 442 | 478 | 422 | 332 | 375 | 220 | 187 | 240 | 548 | 515 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross-off | cross | cross-on | cross | cross-off | cross-off | cross-off | off | cross-off | cross | on | cross-on | cross-off | cross | cross | cross-off | cross-off | cross | cross | cross | cross-off | cross-off |
High Tide | 11:38PM1.01m | 12:24PM1.09m | 00:33AM1.12m | 1:01PM1.23m | 1:11AM1.24m | 1:31PM1.36m | ||||||||||||||||||
Low Tide | 6:11AM0.56m | 6:42PM0.56m | 6:52AM0.44m | 7:17PM0.43m | 7:23AM0.33m | 7:46PM0.30m | ||||||||||||||||||
 | |  | | | | | |  | | |  |  | | |  | | | | | |  | | | |
 | — | 6:39 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:44 | — | — | — | — | — | — | — | 6:45 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 19 | 20 | 24 | 24 | 24 | 24 | 25 | 24 | 24 | 22 | 26 | 22 | 18 | 16 | 16 | 15 | 14 | 15 | 17 | 17 | 16 | 17 | 17 |
Feels °C | 19 | 17 | 19 | 23 | 22 | 22 | 22 | 24 | 23 | 24 | 21 | 24 | 21 | 17 | 16 | 16 | 14 | 13 | 14 | 14 | 11 | 11 | 12 | 13 |
Swell 1 Height (m) Direction Period (s) | WSW 12 | WSW 12 | WSW 12 | WSW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SSW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 | S 8 |
| kJ | 647 | 554 | 480 | 472 | 414 | 393 | 366 | 314 | 314 | 314 | 297 | 458 | 486 | 435 | 442 | 478 | 422 | 332 | 375 | 220 | 187 | 134 | 129 | 515 |
Swell 2 Height (m) Direction Period (s) | S 6 | S 6 | S 6 | S 7 | S 7 | S 6 | S 6 | S 6 | SW 14 | SW 14 | SW 13 | WSW 11 | WSW 11 | WSW 11 | N 4 | N 4 | NNW 5 | S 4 | NNW 5 | SSW 5 | N 4 | N 4 | — | SW 11 |
| kJ | 79 | 81 | 119 | 107 | 85 | 63 | 48 | 36 | 211 | 194 | 215 | 135 | 133 | 119 | 1 | 3 | 5 | 14 | 4 | 21 | 3 | 1 | — | 162 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | SSW 15 | SW 15 | SSW 15 | SW 14 | S 6 | S 6 | SSE 5 | SSE 6 | SSE 6 | — | — | S 15 | S 14 | NNW 5 | S 13 | N 5 | S 12 | S 12 | S 12 | — |
| kJ | — | — | — | — | 23 | 57 | 87 | 167 | 24 | 20 | 9 | 14 | 7 | — | — | 4 | 4 | 5 | 3 | 4 | 11 | 11 | 3 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | S 6 | — | — | — | — | — | — | — | — | SSW 3 | SSW 3 | S 4 | — | — | S 5 | S 5 | S 6 | S 8 | — |
| kJ | — | — | — | — | — | 78 | — | — | — | — | — | — | — | — | 2 | 2 | 12 | — | — | 31 | 43 | 240 | 548 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 18 | 0 | 18 | 28 | 29 | 0 | 0 | 0 | 0 | 0 | 17 | 127 | 28 | 0 | 17 | 18 | 0 | 0 | 28 | 413 | 413 | 84 | 28 |
Best forecast wave conditions in West Coast | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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