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 2PM is: 1.8m 13s primary swell from a Southwest direction and 0.8m 6s secondary swell from a South direction (forecast issued at 07:00am 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 28°C on Tue morning, min 14°C on Tue night). Wind will be generally light. | |||||||||||||||||||||||
Sunday 20 | Monday 21 | Tuesday 22 | |||||||||||||||||||||
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 13 | SW 13 | SW 13 | WSW 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 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 1367 | 1261 | 1200 | 1094 | 918 | 890 | 714 | 647 | 554 | 480 | 472 | 414 | 359 | 373 | 283 | 314 | 314 | 297 | 501 | 424 | 379 | 546 | 427 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross | cross-on | on | glassy | cross |
High Tide | 11:18AM0.97m | 11:38PM1.01m | 12:24PM1.09m | 00:33AM1.12m | 1:01PM1.23m | ||||||||||||||||||
Low Tide | 4:49AM0.66m | 5:48PM0.68m | 6:11AM0.56m | 6:42PM0.56m | 6:52AM0.44m | 7:17PM0.43m | |||||||||||||||||
 |  | | | | | | | | | |  | | | |  | | | | | |  | | |
 | 6:41 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — |
 | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:44 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 23 | 22 | 26 | 25 | 23 | 24 | 22 | 23 | 21 | 21 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 25 | 28 | 24 | 20 | 17 | 16 |
Feels °C | 21 | 20 | 25 | 22 | 20 | 21 | 20 | 22 | 20 | 20 | 25 | 24 | 23 | 23 | 25 | 23 | 23 | 22 | 23 | 20 | 18 | 17 | 15 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | SW 13 | WSW 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 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 |
| kJ | 1367 | 1261 | 1200 | 1094 | 918 | 890 | 714 | 647 | 554 | 480 | 472 | 414 | 359 | 373 | 283 | 314 | 314 | 297 | 501 | 424 | 379 | 546 | 427 |
Swell 2 Height (m) Direction Period (s) | S 7 | S 6 | S 6 | — | — | — | — | S 6 | S 7 | S 7 | S 6 | S 6 | SW 15 | SSW 15 | S 7 | SW 14 | SW 14 | SW 13 | WSW 11 | WSW 11 | WSW 11 | S 16 | S 15 |
| kJ | 135 | 81 | 47 | — | — | — | — | 100 | 135 | 103 | 80 | 65 | 57 | 87 | 43 | 211 | 197 | 215 | 135 | 133 | 119 | 5 | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | SSW 15 | — | SW 15 | SW 14 | S 6 | S 5 | SSE 5 | SSE 6 | N 3 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 23 | — | 78 | 167 | 24 | 20 | 9 | 13 | 2 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | S 6 | S 6 | S 5 | S 6 | — | SSE 7 | — | S 6 | — | S 7 | S 6 | — | — | — | — | N 3 | NW 3 | SW 3 | SW 3 | SSW 4 |
| kJ | — | — | — | 48 | 47 | 45 | 80 | — | 180 | — | 97 | — | 73 | 52 | — | — | — | — | 2 | 3 | 3 | 6 | 14 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 31 | 29 | 0 | 0 | 0 | 0 | 0 | 17 | 28 | 29 | 28 | 0 | 0 | 0 | 47 | 118 | 135 | 31 | 0 | 17 |
Best forecast wave conditions in West Coast | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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