Surf Forecasts:
How big are the waves at Jacobs Bay today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 6ft (1.9m), 13s period with SW swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 6ft (1.8m), 13s period with SW swell.
- Evening surf: Evening surf (20 Sep, local time) - 5.5ft (1.7m), 13s period with WSW swell.
The current surf forecast for Jacobs Bay at 10PM is: 1.6m 13s primary swell from a West-southwest direction and 1.0m 5s secondary swell from a South direction (forecast issued at 01:00pm September 20). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 6ft (1.9m) | 13s |
| Afternoon (20 Sep) | 6ft (1.8m) | 13s |
| Evening (20 Sep) | 5.5ft (1.7m) | 13s |
Table - waves today at Jacobs Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Tue morning, min 15°C on Tue night). Wind will be generally light. | |||||||||||||||||||||
Sun 20 | Monday 21 | Tuesday 22 | |||||||||||||||||||
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 13 | SW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | SW 12 | WSW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SSW 13 | SW 13 | SW 12 | SW 12 | SW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1200 | 1094 | 1077 | 890 | 797 | 647 | 554 | 480 | 472 | 414 | 359 | 373 | 283 | 314 | 314 | 297 | 458 | 424 | 379 | 442 | 478 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross | cross | cross-off | cross-off | cross | cross-off | cross | cross-on | cross | cross-off | cross-off | off | off | cross-off | cross | cross-on | on | glassy | cross-on |
High Tide | 11:18AM0.97m | 11:38PM1.01m | 12:24PM1.09m | 00:33AM1.12m | 1:01PM1.23m | ||||||||||||||||
Low Tide | 5:48PM0.68m | 6:11AM0.56m | 6:42PM0.56m | 6:52AM0.44m | 7:17PM0.43m | ||||||||||||||||
 | | |  | | | | | | | | | | | | |  |  | |  | | |
 | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — |
 | — | — | 6:43 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:44 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 25 | 22 | 24 | 22 | 22 | 19 | 20 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 24 | 26 | 20 | 18 | 16 | 16 |
Feels °C | 25 | 22 | 19 | 21 | 20 | 20 | 17 | 18 | 23 | 23 | 22 | 23 | 24 | 24 | 24 | 23 | 22 | 17 | 17 | 17 | 16 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | SW 12 | WSW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SSW 13 | SW 13 | SW 12 | SW 12 | SW 12 |
| kJ | 1200 | 1094 | 1077 | 890 | 797 | 647 | 554 | 480 | 472 | 414 | 359 | 373 | 283 | 314 | 314 | 297 | 458 | 424 | 379 | 442 | 478 |
Swell 2 Height (m) Direction Period (s) | S 6 | — | — | — | — | S 6 | S 6 | S 7 | S 7 | S 6 | SW 15 | SSW 15 | S 6 | SW 14 | SW 14 | SW 13 | WSW 11 | WSW 11 | WSW 11 | N 4 | N 4 |
| kJ | 47 | — | — | — | — | 78 | 83 | 88 | 113 | 83 | 57 | 87 | 49 | 211 | 197 | 215 | 135 | 133 | 101 | 2 | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | SSW 15 | SW 15 | SW 15 | SW 14 | S 6 | S 6 | SSE 5 | SSE 6 | — | N 4 | S 16 | S 15 |
| kJ | — | — | — | — | — | — | — | — | — | 23 | 57 | 78 | 167 | 34 | 23 | 9 | 13 | — | 4 | 5 | 4 |
Wind waves Height (m) Direction Period (s) | — | S 6 | S 6 | S 5 | S 6 | — | — | — | — | — | S 6 | S 7 | — | — | — | NNE 3 | N 4 | N 4 | — | SSW 4 | — |
| kJ | — | 48 | 32 | 41 | 61 | — | — | — | — | — | 65 | 73 | — | — | — | 3 | 9 | 7 | — | 4 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 31 | 29 | 28 | 0 | 0 | 28 | 0 | 18 | 28 | 31 | 0 | 0 | 0 | 0 | 0 | 86 | 127 | 31 | 0 | 17 |
Best forecast wave conditions in West Coast | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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