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 (2.2m), 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 1PM is: 2.2m 14s primary swell from a Southwest direction and 1.0m 8s secondary swell from a South direction (forecast issued at 07:00am September 13). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Sep) | 7.5ft (2.3m) | 14s |
| Afternoon (13 Sep) | 7ft (2.2m) | 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 26mm), heaviest during Tue night. Warm (max 20°C on Sun morning, min 13°C on Tue night). Winds increasing (light winds from the NNE on Sun morning, strong winds from the S by Tue night). | |||||||||||||||||||||||
Sunday 13 | Monday 14 | Tuesday 15 | |||||||||||||||||||||
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 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 | WSW 15 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 2278 | 2111 | 2085 | 1864 | 1541 | 1102 | 999 | 814 | 653 | 572 | 546 | 416 | 355 | 346 | 303 | 281 | 237 | 224 | 194 | 354 | 909 | 1384 | 2585 |
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 | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | 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 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 |
Temp °C | 20 | 20 | 18 | 16 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 |
Feels °C | 18 | 19 | 15 | 14 | 13 | 12 | 10 | 11 | 10 | 10 | 9 | 10 | 10 | 10 | 10 | 12 | 13 | 12 | 10 | 10 | 9 | 10 | 10 |
Swell 1 Height (m) Direction Period (s) | 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 | NW 7 | SW 11 | SW 11 | SW 11 | SW 11 | SW 16 | SW 16 | WSW 15 |
| kJ | 2278 | 2111 | 2085 | 1864 | 1541 | 1102 | 999 | 814 | 653 | 572 | 546 | 416 | 355 | 309 | 263 | 281 | 237 | 224 | 194 | 171 | 909 | 1384 | 2585 |
Swell 2 Height (m) Direction Period (s) | S 9 | S 8 | SSE 8 | S 8 | S 8 | S 7 | S 7 | S 7 | SSE 7 | SSE 7 | SSE 7 | — | S 6 | SE 7 | — | SW 12 | — | SW 16 | SW 18 | SW 17 | W 7 | W 7 | — |
| kJ | 325 | 142 | 133 | 121 | 93 | 51 | 37 | 25 | 15 | 15 | 9 | — | 3 | 2 | — | 259 | — | 41 | 152 | 354 | 109 | 178 | — |
Swell 3 Height (m) Direction Period (s) | SSE 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 96 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | N 4 | NNW 4 | NNW 5 | NNW 5 | NNW 5 | NNW 6 | NW 6 | NW 7 | NW 7 | — | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NNW 6 | NNW 6 |
| kJ | — | — | — | — | — | — | 14 | 27 | 32 | 36 | 64 | 127 | 238 | 346 | 303 | — | 205 | 169 | 164 | 195 | 127 | 80 | 60 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 86 | 127 | 127 | 69 | 110 | 82 | 142 | 142 | 184 | 184 | 285 | 184 | 184 | 192 | 192 | 138 | 290 | 319 | 319 | 97 | 138 |
Best forecast wave conditions in West Coast | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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