Surf Forecasts:
How big are the waves at Jacobs Bay today (09 Sep):
- Morning surf: Morning surf (09 Sep, local time) - 2.5ft (0.8m), 14s period with WSW swell.
- Afternoon surf: Afternoon surf (09 Sep, local time) - 3ft (0.9m), 13s period with WSW swell.
- Evening surf: Evening surf (09 Sep, local time) - 3.5ft (1.1m), 13s period with SW swell.
The current surf forecast for Jacobs Bay at 8PM is: 1.0m 13s primary swell from a West-southwest direction and 1.3m 5s secondary swell from a South direction (forecast issued at 01:00pm September 09). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Sep) | 2.5ft (0.8m) | 14s |
| Afternoon (09 Sep) | 3ft (0.9m) | 13s |
| Evening (09 Sep) | 3.5ft (1.1m) | 13s |
Table - waves today at Jacobs Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 18°C on Wed afternoon, min 13°C on Thu night). Mainly strong winds. | |||||||||||||||||||||
Wed 9 | Thursday 10 | Friday 11 | |||||||||||||||||||
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) | WSW 13 | WSW 13 | WSW 13 | WSW 13 | SW 12 | 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 | S 8 | S 9 | S 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 309 | 304 | 295 | 330 | 449 | 617 | 765 | 1194 | 2215 | 2181 | 1778 | 1622 | 1405 | 1383 | 1152 | 1000 | 967 | 816 | 860 | 1307 | 1192 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | cross |
High Tide | 2:14PM1.59m | 2:33AM1.53m | 2:51PM1.68m | 3:10AM1.57m | 3:25PM1.72m | ||||||||||||||||
Low Tide | 8:04AM0.12m | 8:31PM0.08m | 8:41AM0.05m | 9:08PM0.01m | 9:15AM0.02m | 9:42PM-0.02m | |||||||||||||||
 | | |  | | |  |  |  | | |  | | | | | | | | | | |
 | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — |
 | — | — | 6:36 | — | — | — | — | — | — | — | 6:36 | — | — | — | — | — | — | — | 6:37 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 18 | 15 | 15 | 15 | 14 | 14 | 14 | 15 | 16 | 15 | 14 | 14 | 13 | 13 | 13 | 16 | 17 | 17 | 15 | 15 |
Feels °C | 15 | 14 | 9 | 11 | 12 | 11 | 11 | 11 | 11 | 10 | 9 | 8 | 9 | 7 | 9 | 10 | 12 | 13 | 13 | 10 | 11 |
Swell 1 Height (m) Direction Period (s) | WSW 13 | WSW 13 | WSW 13 | WSW 13 | SW 12 | SW 12 | WSW 12 | SW 12 | 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 |
| kJ | 309 | 304 | 295 | 330 | 449 | 617 | 669 | 869 | 2215 | 2181 | 1778 | 1622 | 1405 | 1383 | 1152 | 1000 | 967 | 816 | 692 | 491 | 385 |
Swell 2 Height (m) Direction Period (s) | SSE 9 | WSW 11 | W 11 | — | SW 20 | SW 18 | SW 16 | SW 16 | — | — | — | — | — | — | — | — | — | — | — | — | SW 14 |
| kJ | 8 | 23 | 9 | — | 15 | 197 | 765 | 1194 | — | — | — | — | — | — | — | — | — | — | — | — | 132 |
Swell 3 Height (m) Direction Period (s) | S 11 | S 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 4 | S 4 | S 5 | S 5 | S 5 | S 5 | S 5 | S 4 | S 5 | S 5 | S 5 | S 5 | S 6 | S 6 | S 7 | S 7 | S 7 | S 7 | S 8 | S 9 | S 9 |
| kJ | 20 | 28 | 63 | 86 | 76 | 59 | 47 | 33 | 34 | 41 | 66 | 119 | 187 | 302 | 440 | 428 | 376 | 358 | 860 | 1307 | 1192 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 28 | 135 | 135 | 98 | 29 | 28 | 28 | 28 | 106 | 135 | 135 | 176 | 222 | 99 | 99 | 28 | 28 | 723 | 469 | 106 | 99 |
Best forecast wave conditions in West Coast | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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