Surf Forecasts:
How big are the waves at Jacobs Bay today (15 Sep):
- Morning surf: Morning surf (15 Sep, local time) - 5ft (1.6m), 7s period with NW swell.
- Afternoon surf: Afternoon surf (15 Sep, local time) - 2.5ft (0.8m), 17s period with SW swell.
- Evening surf: Evening surf (15 Sep, local time) - 5ft (1.6m), 16s period with SW swell.
The current surf forecast for Jacobs Bay at 1AM is: 1.7m 8s primary swell from a Northwest direction and 1.0m 12s secondary swell from a Southwest direction (forecast issued at 01:00pm September 14). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Sep) | 5ft (1.6m) | 7s |
| Afternoon (15 Sep) | 2.5ft (0.8m) | 17s |
| Evening (15 Sep) | 5ft (1.6m) | 16s |
Table - waves today at Jacobs Bay. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 10mm), heaviest on Tue night. Very mild (max 15°C on Mon night, min 11°C on Tue night). Winds increasing (moderate winds from the NNW on Mon night, strong winds from the S by Wed afternoon). | |||||||||||||||||||||
Mon 14 | Tuesday 15 | Wednesday 16 | |||||||||||||||||||
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 12 | SW 12 | NW 7 | NW 8 | NW 8 | SW 12 | NW 7 | SW 11 | NW 7 | SW 17 | SW 16 | SW 16 | WSW 15 | WSW 14 | WSW 14 | SW 13 | SW 13 | WSW 13 | WSW 13 | SW 13 | SW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 546 | 416 | 407 | 407 | 350 | 289 | 277 | 224 | 247 | 358 | 909 | 1164 | 3251 | 3933 | 3709 | 3122 | 3257 | 1703 | 1359 | 976 | 905 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross | cross | cross | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off |
High Tide | 5:00PM1.54m | 5:19AM1.37m | 5:30PM1.41m | 5:51AM1.26m | 6:01PM1.28m | ||||||||||||||||
Low Tide | 10:50AM0.17m | 11:15PM0.17m | 11:19AM0.27m | 11:44PM0.29m | 11:49AM0.39m | ||||||||||||||||
 |  | |  | | |  | | | | |  | | | |  | | | | | | |
 | — | — | — | — | — | — | 6:48 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — |
 | — | — | 6:38 | — | — | — | — | — | — | — | 6:38 | — | — | — | — | — | — | — | 6:39 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | 4 | 4 | 1 | — | — | — | — | — | — |
Temp °C | 14 | 14 | 14 | 14 | 15 | 15 | 14 | 14 | 15 | 15 | 14 | 14 | 13 | 13 | 11 | 13 | 14 | 15 | 15 | 14 | 14 |
Feels °C | 8 | 8 | 9 | 10 | 12 | 12 | 11 | 11 | 10 | 9 | 10 | 10 | 9 | 10 | 3 | 6 | 5 | 5 | 5 | 5 | 7 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 16 | SW 16 | WSW 15 | WSW 14 | WSW 14 | SW 13 | SW 14 | WSW 13 | WSW 13 | SW 13 | SW 13 |
| kJ | 546 | 416 | 355 | 309 | 263 | 259 | 237 | 224 | 224 | 171 | 909 | 1164 | 3251 | 3933 | 3709 | 3122 | 573 | 1703 | 1359 | 976 | 905 |
Swell 2 Height (m) Direction Period (s) | SSE 7 | — | S 6 | — | — | — | — | SW 16 | SW 18 | SW 17 | W 7 | — | W 8 | NNW 6 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | WSW 13 | WSW 13 |
| kJ | 9 | — | 1 | — | — | — | — | 41 | 108 | 358 | 159 | — | 324 | 32 | 221 | 668 | 716 | 715 | 637 | 669 | 659 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NNW 6 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 14 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 6 | NW 6 | NW 7 | NW 8 | NW 8 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | WNW 7 | WNW 7 | — | — | — | — | SW 13 | S 7 | S 7 | S 7 | S 7 |
| kJ | 144 | 269 | 407 | 407 | 350 | 289 | 277 | 218 | 247 | 268 | 306 | 334 | — | — | — | — | 3257 | 388 | 618 | 688 | 542 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 184 | 285 | 184 | 184 | 184 | 142 | 127 | 285 | 319 | 290 | 290 | 97 | 127 | 29 | 82 | 413 | 413 | 82 | 82 | 82 | 84 |
Best forecast wave conditions in West Coast | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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