Surf Forecasts:
How big are the waves at Jacobs Bay today (21 Jul):
- Morning surf: Morning surf (21 Jul, local time) - 5ft (1.5m), 15s period with SSW swell.
- Afternoon surf: Afternoon surf (21 Jul, local time) - 8ft (2.5m), 14s period with SW swell.
- Evening surf: Evening surf (21 Jul, local time) - 8ft (2.5m), 13s period with SW swell.
The current surf forecast for Jacobs Bay at 3AM is: 0.8m 16s primary swell from a South-southwest direction and 0.9m 8s secondary swell from a South-southwest direction (forecast issued at 07:00pm July 20). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jul) | 5ft (1.5m) | 15s |
| Afternoon (21 Jul) | 8ft (2.5m) | 14s |
| Evening (21 Jul) | 8ft (2.5m) | 13s |
Table - waves today at Jacobs Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 14°C on Mon night, min 12°C on Mon night). Wind will be generally light. | |||||||||||||||||||
Mon 20 | Tuesday 21 | Wednesday 22 | |||||||||||||||||
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 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 | 349 | 151 | 151 | 330 | 403 | 665 | 1582 | 2187 | 2451 | 2532 | 2318 | 1969 | 1799 | 1544 | 1404 | 1229 | 1269 | 1107 | 1031 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | glassy | cross-off | glassy | off | cross-off | cross | cross | cross | cross | cross | cross | glassy | glassy | 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 | 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 | 14 | 14 | 14 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 13 | 14 | 14 | 13 | 13 |
Feels °C | 12 | 13 | 13 | 12 | 11 | 10 | 12 | 10 | 9 | 10 | 10 | 11 | 11 | 12 | 12 | 11 | 12 | 11 | 11 |
Swell 1 Height (m) Direction Period (s) | 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 | 349 | 151 | 151 | 101 | 403 | 665 | 1582 | 2187 | 2451 | 2532 | 2318 | 1969 | 1799 | 1544 | 1404 | 1229 | 1269 | 1107 | 1031 |
Swell 2 Height (m) Direction Period (s) | W 10 | SW 10 | SW 12 | SSW 16 | SW 7 | SSW 7 | WSW 11 | W 9 | W 9 | — | — | — | — | — | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 |
| kJ | 89 | 124 | 122 | 330 | 79 | 66 | 70 | 25 | 24 | — | — | — | — | — | 43 | 72 | 72 | 154 | 145 |
Swell 3 Height (m) Direction Period (s) | SSW 18 | W 9 | W 9 | SW 12 | SW 11 | WSW 11 | W 9 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 31 | 85 | 60 | 175 | 94 | 79 | 38 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 31 | 17 | 0 | 0 | 0 | 0 | 0 | 28 | 29 | 28 | 18 | 18 | 18 | 0 | 0 | 127 | 31 | 31 | 69 |
Best forecast wave conditions in West Coast | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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