Surf Forecasts:
How big are the waves at Jacobs Bay today (30 Aug):
- Morning surf: Morning surf (30 Aug, local time) - 10ft (3.0m), 13s period with SW swell.
- Afternoon surf: Afternoon surf (30 Aug, local time) - 8ft (2.4m), 12s period with WSW swell.
- Evening surf: Evening surf (30 Aug, local time) - 7ft (2.1m), 12s period with WSW swell.
The current surf forecast for Jacobs Bay at 9PM is: 2.1m 12s primary swell from a West-southwest direction and 1.8m 6s secondary swell from a South direction (forecast issued at 01:00pm August 30). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Aug) | 10ft (3.0m) | 13s |
| Afternoon (30 Aug) | 8ft (2.4m) | 12s |
| Evening (30 Aug) | 7ft (2.1m) | 12s |
Table - waves today at Jacobs Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 14°C on Tue afternoon, min 11°C on Sun night). Winds decreasing (strong winds from the S on Sun afternoon, light winds from the SE by Tue morning). | |||||||||||||||||||||
Sun 30 | Monday 31 | Tuesday 1 | |||||||||||||||||||
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 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SSW 11 | SW 12 | SW 11 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2419 | 1735 | 1471 | 1227 | 1077 | 1077 | 964 | 993 | 1351 | 1054 | 935 | 850 | 651 | 1324 | 1545 | 2248 | 2511 | 2693 | 3133 | 3581 | 4207 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross-off | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross | cross | cross | cross | cross |
High Tide | 4:31PM1.65m | 4:49AM1.49m | 5:03PM1.61m | 5:24AM1.42m | 5:39PM1.53m | ||||||||||||||||
Low Tide | 10:18AM0.08m | 10:45PM0.08m | 10:49AM0.12m | 11:18PM0.11m | 11:22AM0.19m | ||||||||||||||||
 | | |  | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — |
 | — | — | 6:29 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 14 | 14 | 13 | 13 |
Feels °C | 7 | 5 | 5 | 4 | 5 | 6 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 9 | 9 | 10 | 10 | 10 | 9 | 8 | 8 |
Swell 1 Height (m) Direction Period (s) | SW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SSW 11 | SW 12 | SW 11 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 14 |
| kJ | 2419 | 1735 | 1471 | 1227 | 1077 | 1077 | 964 | 993 | 1351 | 1054 | 935 | 850 | 651 | 1324 | 1545 | 2248 | 2511 | 2693 | 3133 | 3581 | 4207 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | SSW 14 | WSW 11 | WSW 11 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 77 | 394 | 93 | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | S 10 | SW 14 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 2 | 191 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 11 | S 5 | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | S 5 | — | — | — | — | — | — | — | — | — | — | S 4 | S 4 |
| kJ | 11 | 97 | 181 | 247 | 293 | 300 | 206 | 148 | 62 | — | — | — | — | — | — | — | — | — | — | 14 | 21 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 84 | 413 | 176 | 163 | 106 | 101 | 28 | 28 | 28 | 116 | 134 | 28 | 28 | 28 | 28 | 0 | 18 | 114 | 135 | 106 | 106 |
Best forecast wave conditions in West Coast | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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