Surf Forecasts:
How big are the waves at Jacobs Bay today (13 Sep):
- Morning surf: Morning surf (13 Sep, local time) - 7.5ft (2.3m), 14s period with SW swell.
- Afternoon surf: Afternoon surf (13 Sep, local time) - 7ft (2.1m), 14s period with SW swell.
- Evening surf: Evening surf (13 Sep, local time) - 6ft (1.8m), 13s period with SW swell.
The current surf forecast for Jacobs Bay at 6AM is: 2.3m 15s primary swell from a Southwest direction and 1.3m 9s secondary swell from a South direction (forecast issued at 01:00am September 13). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Sep) | 7.5ft (2.3m) | 14s |
| Afternoon (13 Sep) | 7ft (2.1m) | 14s |
| Evening (13 Sep) | 6ft (1.8m) | 13s |
Table - waves today at Jacobs Bay. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 20mm), heaviest during Tue night. Very mild (max 18°C on Sun morning, min 12°C on Tue night). Winds increasing (light winds from the N on Sun morning, strong winds from the S by Tue night). | ||||||||||||||||||||||||
Sunday 13 | Monday 14 | Tuesday 15 | ||||||||||||||||||||||
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 | 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 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 17 | SW 16 | SW 16 | SW 15 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 2516 | 2278 | 2111 | 2201 | 1864 | 1226 | 1190 | 999 | 905 | 653 | 633 | 488 | 416 | 355 | 349 | 303 | 259 | 237 | 224 | 191 | 358 | 1014 | 1643 | 2860 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross | cross | cross |
High Tide | 4:17AM1.54m | 4:29PM1.64m | 4:49AM1.47m | 5:00PM1.54m | 5:19AM1.37m | 5:30PM1.41m | ||||||||||||||||||
Low Tide | 10:19AM0.08m | 10:45PM0.07m | 10:50AM0.17m | 11:15PM0.17m | 11:19AM0.27m | |||||||||||||||||||
 | |  | |  | | |  | | | | | | | |  | | |  | | | | | | |
 | — | 6:50 | — | — | — | — | — | — | — | 6:48 | — | — | — | — | — | — | — | 6:48 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:38 | — | — | — | — | — | — | — | 6:38 | — | — |
mm | — | — | — | — | 1 | 1 | — | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 |
Temp °C | 20 | 19 | 18 | 17 | 17 | 16 | 14 | 15 | 14 | 15 | 14 | 15 | 15 | 15 | 14 | 14 | 15 | 14 | 15 | 15 | 15 | 15 | 15 | 14 |
Feels °C | 18 | 18 | 16 | 14 | 16 | 15 | 12 | 12 | 11 | 12 | 11 | 10 | 10 | 10 | 10 | 11 | 12 | 11 | 13 | 11 | 10 | 11 | 12 | 11 |
Swell 1 Height (m) Direction Period (s) | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 16 | SW 16 | SW 15 |
| kJ | 2516 | 2278 | 2111 | 2201 | 1864 | 1226 | 1190 | 999 | 905 | 653 | 633 | 488 | 416 | 355 | 349 | 303 | 259 | 237 | 224 | 191 | 174 | 1014 | 1643 | 2860 |
Swell 2 Height (m) Direction Period (s) | S 9 | S 9 | S 8 | SSE 8 | S 8 | S 8 | S 7 | S 7 | S 7 | S 7 | SSE 7 | SSE 7 | — | — | S 7 | SE 7 | S 7 | — | SW 16 | SW 18 | SW 17 | WSW 7 | WSW 7 | — |
| kJ | 413 | 325 | 142 | 137 | 121 | 71 | 51 | 37 | 37 | 23 | 15 | 9 | — | — | 1 | 2 | 1 | — | 66 | 152 | 358 | 57 | 91 | — |
Swell 3 Height (m) Direction Period (s) | — | SSE 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WNW 6 | — |
| kJ | — | 96 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 22 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | N 4 | N 4 | NNW 4 | NNW 4 | NNW 5 | NNW 6 | NW 6 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 6 | NNW 6 | NW 6 |
| kJ | — | — | — | — | — | — | — | 9 | 11 | 18 | 32 | 52 | 129 | 188 | 237 | 273 | 254 | 206 | 153 | 131 | 159 | 132 | 64 | 75 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 47 | 102 | 127 | 114 | 47 | 69 | 69 | 110 | 138 | 138 | 413 | 290 | 184 | 142 | 184 | 192 | 192 | 290 | 319 | 319 | 97 | 127 |
Best forecast wave conditions in West Coast | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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