Surf Forecasts:
How big are the waves at Jacobs Bay today (20 Jul):
- Afternoon surf: Afternoon surf (20 Jul, local time) - 5ft (1.5m), 12s period with SW swell.
- Evening surf: Evening surf (20 Jul, local time) - 6ft (1.9m), 11s period with SW swell.
The current surf forecast for Jacobs Bay at 12AM is: 2.1m 11s primary swell from a Southwest direction and 0.8m 10s secondary swell from a West direction (forecast issued at 07:00pm July 19). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Jul) | - | - |
| Afternoon (20 Jul) | 5ft (1.5m) | 12s |
| Evening (20 Jul) | 6ft (1.9m) | 11s |
Table - waves today at Jacobs Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 15°C on Sun night, min 13°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Sun 19 | Monday 20 | Tuesday 21 | |||||||||||||||||
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 11 | SW 11 | SW 11 | SW 11 | SW 10 | SW 10 | 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 |
Wave Graph  | |||||||||||||||||||
 kJ | 640 | 773 | 1106 | 1211 | 934 | 724 | 549 | 437 | 379 | 151 | 151 | 330 | 409 | 576 | 1582 | 2156 | 2609 | 2532 | 2318 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross | cross | cross | glassy | glassy | glassy | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross |
High Tide | 7:01PM1.44m | 7:25AM1.19m | 7:46PM1.32m | 8:18AM1.09m | 8:38PM1.21m | ||||||||||||||
Low Tide | 1:25AM0.33m | 1:22PM0.40m | 2:14AM0.43m | 2:11PM0.52m | |||||||||||||||
 |  |  | | |  | | | | | | | | | | | | | | |
 | — | — | — | — | 7:47 | — | — | — | — | — | — | — | 7:46 | — | — | — | — | — | — |
 | 6:00 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:02 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 15 | 14 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 15 | 14 | 13 | 13 | 13 | 14 | 13 | 13 | 13 |
Feels °C | 15 | 13 | 13 | 12 | 13 | 13 | 13 | 13 | 12 | 12 | 14 | 13 | 12 | 12 | 11 | 11 | 9 | 9 | 10 |
Swell 1 Height (m) Direction Period (s) | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 | SW 10 | 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 |
| kJ | 640 | 773 | 1106 | 1211 | 934 | 724 | 549 | 437 | 379 | 151 | 151 | 101 | 409 | 576 | 1582 | 2156 | 2609 | 2532 | 2318 |
Swell 2 Height (m) Direction Period (s) | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | SW 10 | SW 12 | SSW 16 | SSW 7 | SSW 7 | WSW 11 | W 9 | W 9 | — | — |
| kJ | 130 | 127 | 96 | 123 | 118 | 90 | 121 | 92 | 89 | 124 | 122 | 330 | 70 | 66 | 85 | 25 | 24 | — | — |
Swell 3 Height (m) Direction Period (s) | SSE 10 | SSW 14 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | SSE 9 | SSW 18 | W 9 | W 9 | SW 12 | SW 11 | SW 11 | W 9 | WSW 12 | — | — | — |
| kJ | 34 | 71 | 19 | 18 | 18 | 17 | 8 | 8 | 31 | 85 | 60 | 175 | 94 | 94 | 38 | 26 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 31 | 18 | 18 | 18 | 0 | 0 | 0 | 31 | 28 | 28 | 18 | 0 | 0 | 0 | 0 | 29 | 29 | 29 | 28 |
Best forecast wave conditions in West Coast | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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