Surf Forecasts:
How big are the waves at Jacobs Bay today (20 Jul):
- Morning surf: Morning surf (20 Jul, local time) - 6ft (1.9m), 10s period with SW swell.
- Afternoon surf: Afternoon surf (20 Jul, local time) - 5ft (1.6m), 9s period with SW swell.
- Evening surf: Evening surf (20 Jul, local time) - 3.5ft (1.1m), 8s period with SW swell.
The current surf forecast for Jacobs Bay at 7PM is: 1.2m 8s primary swell from a Southwest direction and 0.8m 10s secondary swell from a Southwest direction (forecast issued at 01:00pm July 20). The wind direction is predicted to be onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Jul) | 6ft (1.9m) | 10s |
| Afternoon (20 Jul) | 5ft (1.6m) | 9s |
| Evening (20 Jul) | 3.5ft (1.1m) | 8s |
Table - waves today at Jacobs Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 15°C on Mon afternoon, min 12°C on Mon night). Wind will be generally light. | |||||||||||||||||||||
Mon 20 | Tuesday 21 | Wednesday 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 9 | SW 9 | SW 9 | SW 8 | SW 8 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 549 | 437 | 379 | 151 | 151 | 330 | 403 | 665 | 1582 | 2187 | 2609 | 2532 | 2318 | 2088 | 1799 | 1544 | 1404 | 1313 | 1335 | 1107 | 954 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | on | on | on | glassy | cross-off | glassy | off | cross-off | cross | cross | cross | cross | cross | cross | cross | cross-on | on | on | cross-on | cross-on |
High Tide | 7:46PM1.32m | 8:18AM1.09m | 8:38PM1.21m | 9:25AM1.02m | 9:45PM1.12m | ||||||||||||||||
Low Tide | 1:22PM0.40m | 2:14AM0.43m | 2:11PM0.52m | 3:15AM0.51m | 3:17PM0.61m | ||||||||||||||||
 |  | |  | | | | | | | | | | |  | | | | | | | |
 | — | — | — | — | — | — | 7:46 | — | — | — | — | — | — | — | 7:46 | — | — | — | — | — | — |
 | — | — | 6:01 | — | — | — | — | — | — | — | 6:02 | — | — | — | — | — | — | — | 6:02 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 15 | 14 | 14 | 14 | 13 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 13 | 13 |
Feels °C | 14 | 13 | 12 | 12 | 13 | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 10 | 11 | 11 | 12 | 12 | 11 | 11 | 11 | 10 |
Swell 1 Height (m) Direction Period (s) | SW 9 | SW 9 | SW 9 | SW 8 | SW 8 | SSW 8 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 |
| kJ | 549 | 437 | 379 | 151 | 151 | 101 | 403 | 665 | 1582 | 2187 | 2609 | 2532 | 2318 | 2088 | 1799 | 1544 | 1404 | 1313 | 1335 | 1107 | 954 |
Swell 2 Height (m) Direction Period (s) | W 10 | W 10 | W 10 | SW 10 | SW 12 | SSW 16 | SSW 7 | SSW 7 | WSW 11 | W 9 | W 9 | — | — | — | — | — | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 |
| kJ | 121 | 92 | 89 | 124 | 122 | 330 | 70 | 68 | 70 | 25 | 24 | — | — | — | — | — | 73 | 72 | 72 | 152 | 145 |
Swell 3 Height (m) Direction Period (s) | SSE 9 | SSE 9 | SSW 18 | W 9 | W 9 | SW 12 | SW 11 | WSW 11 | W 9 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 8 | 8 | 31 | 85 | 60 | 175 | 94 | 79 | 38 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 31 | 31 | 29 | 0 | 0 | 0 | 0 | 0 | 28 | 29 | 28 | 28 | 18 | 18 | 18 | 17 | 31 | 29 | 31 | 97 |
Best forecast wave conditions in West Coast | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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