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 7PM is: 1.2m 11s primary swell from a Southwest direction and 0.4m 15s secondary swell from a Southwest direction, 0.9m 6s secondary swell from a South direction (forecast issued at 01:00pm September 21). The wind direction is predicted to be cross-offshore.
| 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 night. Warm (max 28°C on Tue morning, min 13°C on Wed morning). Wind will be generally light. | |||||||||||||||||||||
Mon 21 | Tuesday 22 | Wednesday 23 | |||||||||||||||||||
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 | SW 12 | WSW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 | SW 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 472 | 414 | 359 | 366 | 314 | 314 | 314 | 297 | 437 | 486 | 379 | 442 | 427 | 377 | 371 | 293 | 287 | 216 | 216 | 212 | 196 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-off | cross | cross-off | off | cross-off | cross | cross-on | on | cross | cross | cross-off | cross-off | cross | cross | glassy | cross | cross | cross-off |
High Tide | 12:24PM1.09m | 00:33AM1.12m | 1:01PM1.23m | 1:11AM1.24m | 1:31PM1.36m | ||||||||||||||||
Low Tide | 6:42PM0.56m | 6:52AM0.44m | 7:17PM0.43m | 7:23AM0.33m | 7:46PM0.30m | ||||||||||||||||
 | |  |  | |  | | | | | | | |  |  | |  | | | | | |
 | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — |
 | — | — | 6:43 | — | — | — | — | — | — | — | 6:44 | — | — | — | — | — | — | — | 6:45 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — |
Temp °C | 23 | 24 | 23 | 25 | 25 | 24 | 24 | 25 | 28 | 22 | 20 | 16 | 14 | 14 | 14 | 13 | 15 | 16 | 15 | 16 | 17 |
Feels °C | 22 | 23 | 21 | 23 | 24 | 23 | 24 | 24 | 25 | 20 | 19 | 16 | 10 | 11 | 12 | 11 | 14 | 16 | 15 | 15 | 17 |
Swell 1 Height (m) Direction Period (s) | WSW 12 | SW 12 | WSW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 | SW 10 |
| kJ | 472 | 414 | 359 | 366 | 314 | 314 | 314 | 297 | 437 | 486 | 379 | 442 | 427 | 377 | 371 | 293 | 287 | 216 | 216 | 212 | 196 |
Swell 2 Height (m) Direction Period (s) | S 7 | S 7 | SW 15 | SSW 15 | S 7 | S 6 | SW 14 | SW 13 | WSW 11 | WSW 11 | WSW 11 | N 4 | S 15 | NNW 4 | S 13 | S 13 | S 12 | N 5 | NNW 5 | NNW 5 | NNW 5 |
| kJ | 110 | 110 | 57 | 87 | 43 | 36 | 194 | 215 | 135 | 133 | 119 | 2 | 4 | 6 | 3 | 3 | 12 | 12 | 7 | 7 | 7 |
Swell 3 Height (m) Direction Period (s) | — | SSW 15 | — | — | SW 14 | SW 14 | S 6 | S 5 | SSE 7 | SE 6 | — | — | S 15 | S 14 | — | — | SW 15 | S 12 | S 12 | S 11 | S 11 |
| kJ | — | 23 | — | — | 167 | 211 | 27 | 14 | 15 | 8 | — | — | 4 | 4 | — | — | 9 | 11 | 11 | 10 | 9 |
Wind waves Height (m) Direction Period (s) | — | — | S 6 | S 6 | — | — | — | — | — | NW 3 | — | — | N 4 | — | N 5 | N 5 | N 5 | — | — | — | — |
| kJ | — | — | 65 | 48 | — | — | — | — | — | 1 | — | — | 2 | — | 24 | 25 | 18 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 18 | 29 | 29 | 0 | 18 | 0 | 0 | 0 | 127 | 127 | 110 | 17 | 69 | 69 | 69 | 47 | 17 | 0 | 17 | 18 | 0 |
Best forecast wave conditions in West Coast | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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