Surf Forecasts:
How big are the waves at Jacobs Bay today (10 Sep):
- Morning surf: Morning surf (10 Sep, local time) - 6ft (1.8m), 15s period with SW swell.
- Afternoon surf: Afternoon surf (10 Sep, local time) - 7ft (2.2m), 14s period with WSW swell.
- Evening surf: Evening surf (10 Sep, local time) - 7ft (2.2m), 13s period with WSW swell.
The current surf forecast for Jacobs Bay at 9AM is: 1.8m 15s primary swell from a Southwest direction and 1.5m 12s secondary swell from a West-southwest direction, 1.0m 5s secondary swell from a South direction (forecast issued at 01:00am September 10). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Sep) | 6ft (1.8m) | 15s |
| Afternoon (10 Sep) | 7ft (2.2m) | 14s |
| Evening (10 Sep) | 7ft (2.2m) | 13s |
Table - waves today at Jacobs Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 19°C on Sat night, min 14°C on Thu morning). Winds decreasing (fresh winds from the S on Thu night, light winds from the SE by Sat night). | ||||||||||||||||||||||||
Thursday 10 | Friday 11 | Saturday 12 | ||||||||||||||||||||||
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 12 | SW 16 | SW 16 | SW 15 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | S 8 | S 8 | S 8 | S 9 | SW 14 | SW 14 | SW 15 | SW 14 | SW 16 | SW 16 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 617 | 765 | 1194 | 2717 | 2181 | 1778 | 1622 | 1405 | 1383 | 1152 | 1000 | 830 | 816 | 680 | 893 | 885 | 749 | 580 | 1064 | 1382 | 2038 | 1459 | 1968 | 2925 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | cross | cross | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off |
High Tide | 2:33AM1.53m | 2:51PM1.68m | 3:10AM1.57m | 3:25PM1.72m | 3:44AM1.57m | 3:58PM1.70m | ||||||||||||||||||
Low Tide | 8:41AM0.05m | 9:08PM0.01m | 9:15AM0.02m | 9:42PM-0.02m | 9:48AM0.03m | 10:14PM0.01m | ||||||||||||||||||
 |  |  |  | | | | |  | | | | | | | | | | | | | | | | |
 | — | 6:54 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:36 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 14 | 15 | 16 | 15 | 14 | 14 | 14 | 14 | 14 | 16 | 17 | 18 | 18 | 17 | 15 | 16 | 16 | 18 | 18 | 18 | 19 | 18 |
Feels °C | 11 | 11 | 11 | 10 | 11 | 9 | 8 | 9 | 9 | 10 | 11 | 13 | 12 | 14 | 14 | 14 | 13 | 13 | 13 | 14 | 14 | 14 | 16 | 17 |
Swell 1 Height (m) Direction Period (s) | SW 12 | WSW 12 | SW 16 | SW 15 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | SW 14 | SW 14 | SW 15 | SW 14 | SW 16 | SW 16 |
| kJ | 617 | 669 | 1194 | 2717 | 2181 | 1778 | 1622 | 1405 | 1383 | 1152 | 1000 | 830 | 816 | 680 | 569 | 385 | 385 | 330 | 1064 | 1382 | 2038 | 1459 | 1968 | 2925 |
Swell 2 Height (m) Direction Period (s) | SW 18 | SW 16 | WSW 12 | — | — | — | — | — | — | — | — | SSW 7 | — | — | — | SW 14 | SW 15 | SW 14 | — | S 9 | SW 19 | SW 17 | SW 13 | S 9 |
| kJ | 197 | 765 | 605 | — | — | — | — | — | — | — | — | 302 | — | — | — | 102 | 134 | 289 | — | 542 | 360 | 1282 | 721 | 541 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 5 | S 5 | S 5 | S 5 | S 5 | S 5 | S 5 | S 6 | S 6 | S 6 | S 7 | — | S 8 | S 8 | S 8 | S 8 | S 8 | S 9 | S 9 | — | S 9 | S 9 | S 9 | — |
| kJ | 76 | 62 | 49 | 42 | 53 | 66 | 104 | 152 | 191 | 293 | 435 | — | 430 | 652 | 893 | 885 | 749 | 580 | 621 | — | 380 | 429 | 554 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 29 | 28 | 29 | 135 | 135 | 135 | 176 | 176 | 99 | 28 | 28 | 28 | 222 | 114 | 99 | 29 | 29 | 28 | 29 | 99 | 106 | 836 | 28 | 0 |
Best forecast wave conditions in West Coast | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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