Surf Forecasts:
How big are the waves at Jacobs Bay today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 4.5ft (1.3m), 12s period with WSW swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 4ft (1.2m), 12s period with SW swell.
- Evening surf: Evening surf (21 Sep, local time) - 4ft (1.2m), 11s period with SW swell.
The current surf forecast for Jacobs Bay at 3AM is: 1.4m 12s primary swell from a West-southwest direction and 1.0m 6s secondary swell from a South direction (forecast issued at 07:00pm September 20). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 4.5ft (1.3m) | 12s |
| Afternoon (21 Sep) | 4ft (1.2m) | 12s |
| Evening (21 Sep) | 4ft (1.2m) | 11s |
Table - waves today at Jacobs Bay. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Tue morning. Warm (max 26°C on Tue morning, min 14°C on Tue night). Winds increasing (light winds from the NNW on Tue morning, fresh winds from the S by Wed afternoon). | |||||||||||||||||||
Sun 20 | Monday 21 | Tuesday 22 | |||||||||||||||||
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 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | SW 12 | WSW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 1077 | 890 | 714 | 647 | 554 | 480 | 472 | 414 | 359 | 366 | 283 | 314 | 314 | 297 | 437 | 486 | 379 | 494 | 478 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-off | cross-off | cross | cross-off | cross | cross-on | cross | cross-off | cross-off | cross-off | off | cross | cross | on | cross-on | cross-off | cross |
High Tide | 11:38PM1.01m | 12:24PM1.09m | 00:33AM1.12m | 1:01PM1.23m | |||||||||||||||
Low Tide | 5:48PM0.68m | 6:11AM0.56m | 6:42PM0.56m | 6:52AM0.44m | 7:17PM0.43m | ||||||||||||||
 |  | | | | | | | | | |  | | |  |  | |  | | |
 | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — |
 | 6:43 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:44 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — |
Temp °C | 22 | 23 | 22 | 21 | 19 | 20 | 23 | 24 | 24 | 24 | 25 | 24 | 23 | 23 | 26 | 22 | 18 | 16 | 16 |
Feels °C | 19 | 20 | 20 | 19 | 18 | 19 | 22 | 22 | 22 | 22 | 24 | 24 | 23 | 23 | 24 | 20 | 17 | 15 | 14 |
Swell 1 Height (m) Direction Period (s) | SW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | SW 12 | WSW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 |
| kJ | 1077 | 890 | 714 | 647 | 554 | 480 | 472 | 414 | 359 | 366 | 283 | 314 | 314 | 297 | 437 | 486 | 379 | 494 | 478 |
Swell 2 Height (m) Direction Period (s) | — | — | — | S 6 | — | S 7 | S 7 | S 7 | SW 15 | S 6 | S 6 | SW 14 | SW 14 | SW 13 | WSW 11 | WSW 11 | WSW 11 | S 16 | S 15 |
| kJ | — | — | — | 79 | — | 104 | 131 | 88 | 57 | 50 | 38 | 211 | 197 | 215 | 135 | 133 | 90 | 5 | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | SSW 15 | SW 15 | SSW 15 | SW 14 | S 6 | S 6 | S 5 | SSE 6 | SSE 6 | — | — | — |
| kJ | — | — | — | — | — | — | — | 23 | 57 | 87 | 167 | 28 | 27 | 14 | 8 | 7 | — | — | — |
Wind waves Height (m) Direction Period (s) | S 6 | S 5 | S 6 | — | S 6 | — | — | — | S 6 | — | — | — | — | — | — | — | SSW 3 | SSW 3 | S 4 |
| kJ | 42 | 40 | 77 | — | 119 | — | — | — | 67 | — | — | — | — | — | — | — | 1 | 4 | 10 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 29 | 28 | 0 | 0 | 28 | 0 | 28 | 28 | 18 | 0 | 0 | 0 | 0 | 17 | 17 | 31 | 28 | 0 | 18 |
Best forecast wave conditions in West Coast | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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