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) - 6ft (1.8m), 15s period with SW swell.
The current surf forecast for Jacobs Bay at 5AM is: 1.6m 7s primary swell from a Northwest direction and 1.0m 11s secondary swell from a Southwest direction (forecast issued at 01:00am September 15). 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) | 6ft (1.8m) | 15s |
Table - waves today at Jacobs Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 8mm), mostly falling on Tue night. Very mild (max 16°C on Thu afternoon, min 12°C on Wed night). Winds increasing (moderate winds from the NNW on Tue morning, strong winds from the S by Wed afternoon). | ||||||||||||||||||||||||
Tuesday 15 | Wednesday 16 | Thursday 17 | ||||||||||||||||||||||
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) | NW 8 | NW 7 | NW 7 | NW 7 | SW 17 | SW 16 | SW 16 | SW 15 | WSW 14 | SW 14 | SW 14 | SW 9 | WSW 13 | WSW 13 | WSW 13 | SW 13 | SW 13 | SSW 13 | SSW 12 | SW 12 | SW 12 | SW 12 | S 8 | S 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 320 | 285 | 269 | 261 | 358 | 909 | 1074 | 1967 | 4197 | 3985 | 3576 | 1202 | 1965 | 1359 | 888 | 892 | 1306 | 2885 | 2781 | 1112 | 1111 | 1007 | 1087 | 853 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross | cross-on | cross-on | cross | cross | cross | cross | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 5:19AM1.37m | 5:30PM1.41m | 5:51AM1.26m | 6:01PM1.28m | 6:25AM1.14m | 6:38PM1.14m | ||||||||||||||||||
Low Tide | 11:15PM0.17m | 11:19AM0.27m | 11:44PM0.29m | 11:49AM0.39m | 00:16AM0.41m | 12:21PM0.51m | ||||||||||||||||||
 |  |  | |  | |  | | | |  | | | |  | | | | | | | | | | |
 | — | 6:48 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:38 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:40 | — | — |
mm | — | — | — | — | — | — | 1 | 3 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 14 | 14 | 15 | 15 | 14 | 14 | 13 | 13 | 14 | 14 | 14 | 15 | 14 | 14 | 14 | 13 | 12 | 12 | 14 | 16 | 16 | 15 | 14 |
Feels °C | 12 | 11 | 10 | 9 | 9 | 9 | 9 | 8 | 8 | 6 | 6 | 5 | 5 | 4 | 5 | 6 | 7 | 5 | 5 | 7 | 8 | 7 | 7 | 6 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 16 | SW 16 | SW 15 | WSW 14 | SW 14 | SW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | SW 13 | SW 13 | W 12 | W 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 |
| kJ | 259 | 237 | 224 | 194 | 171 | 909 | 1074 | 1967 | 4197 | 3985 | 3576 | 892 | 1965 | 1359 | 888 | 892 | 1306 | 196 | 144 | 1112 | 1111 | 1007 | 781 | 698 |
Swell 2 Height (m) Direction Period (s) | — | — | SW 16 | SW 18 | SW 17 | — | — | WNW 8 | NNW 6 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | WSW 13 | W 13 | W 12 | W 12 | W 12 | — | — | — | — |
| kJ | — | — | 41 | 108 | 358 | — | — | 438 | 28 | 221 | 581 | 641 | 666 | 577 | 673 | 659 | 395 | 196 | 144 | 139 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | NNW 7 | — | NNW 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 85 | — | 14 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 8 | NW 7 | NW 7 | NW 7 | NW 7 | WNW 7 | WNW 7 | WSW 8 | — | — | — | SW 9 | S 7 | S 7 | S 7 | S 7 | S 7 | SSW 13 | SSW 12 | S 8 | S 8 | S 8 | S 8 | S 8 |
| kJ | 320 | 285 | 269 | 261 | 335 | 372 | 432 | 249 | — | — | — | 1202 | 388 | 554 | 668 | 590 | 462 | 2885 | 2781 | 638 | 592 | 849 | 1087 | 853 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 127 | 127 | 290 | 358 | 363 | 290 | 97 | 127 | 29 | 953 | 413 | 400 | 84 | 82 | 132 | 84 | 84 | 84 | 84 | 30 | 28 | 84 | 84 | 84 |
Best forecast wave conditions in West Coast | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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