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 7PM is: 2.5m 13s primary swell from a Southwest direction and 0.4m 9s secondary swell from a West direction (forecast issued at 01:00pm July 21). The wind direction is predicted to be cross-shore.
| 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 ForecastSome drizzle, heaviest during Thu afternoon. Very mild (max 14°C on Wed afternoon, min 12°C on Wed morning). Winds increasing (calm on Wed morning, fresh winds from the N by Thu morning). | |||||||||||||||||||||
Tue 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||
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) | 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 | WSW 12 | WSW 12 | WSW 12 | SW 12 | SW 11 | WSW 12 | SW 18 | SW 17 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1582 | 2187 | 2451 | 2532 | 2318 | 1969 | 1799 | 1544 | 1404 | 1313 | 1269 | 1107 | 1013 | 795 | 835 | 864 | 1193 | 897 | 920 | 2208 | 8603 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross | cross | cross | cross | cross | cross | glassy | on | on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | glassy | off |
High Tide | 8:18AM1.09m | 8:38PM1.21m | 9:25AM1.02m | 9:45PM1.12m | 10:49AM1.00m | ||||||||||||||||
Low Tide | 2:11PM0.52m | 3:15AM0.51m | 3:17PM0.61m | 4:35AM0.55m | 4:51PM0.64m | ||||||||||||||||
 | | |  |  |  | | | | | | | | | |  | |  | | | | |
 | — | — | — | — | — | — | 7:46 | — | — | — | — | — | — | — | 7:45 | — | — | — | — | — | — |
 | — | — | 6:02 | — | — | — | — | — | — | — | 6:02 | — | — | — | — | — | — | — | 6:04 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — |
Temp °C | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 13 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 14 | 14 | 13 |
Feels °C | 10 | 11 | 10 | 10 | 11 | 11 | 12 | 12 | 11 | 12 | 12 | 11 | 11 | 10 | 10 | 9 | 8 | 7 | 12 | 14 | 12 |
Swell 1 Height (m) Direction Period (s) | 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 | WSW 12 | WSW 12 | WSW 12 | SW 12 | SW 11 | WSW 12 | SW 12 | SW 17 |
| kJ | 1582 | 2187 | 2451 | 2532 | 2318 | 1969 | 1799 | 1544 | 1404 | 1313 | 1269 | 1107 | 1013 | 795 | 835 | 864 | 1193 | 897 | 920 | 1328 | 8603 |
Swell 2 Height (m) Direction Period (s) | WSW 11 | W 9 | W 9 | — | — | — | — | — | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 13 | SSW 12 | SSW 12 | — | WSW 12 | SSW 11 | SW 18 | WSW 13 |
| kJ | 70 | 25 | 24 | — | — | — | — | — | 43 | 72 | 72 | 154 | 145 | 339 | 313 | 293 | — | 241 | 386 | 2208 | 135 |
Swell 3 Height (m) Direction Period (s) | W 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 21 | SW 20 | WSW 13 | — |
| kJ | 38 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 72 | 380 | 198 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NNW 3 | NNW 4 | NNW 4 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 10 | 17 | 16 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 28 | 29 | 29 | 18 | 18 | 18 | 0 | 17 | 31 | 31 | 31 | 69 | 47 | 47 | 82 | 97 | 142 | 69 | 0 | 30 |
Best forecast wave conditions in West Coast | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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