Surf Forecasts:
How big are the waves at Jacobs Bay today (21 Jul):
- Morning surf: Morning surf (21 Jul, local time) - 5ft (1.5m), 15s period with SSW swell.
- Afternoon surf: Afternoon surf (21 Jul, local time) - 8ft (2.5m), 14s period with SW swell.
- Evening surf: Evening surf (21 Jul, local time) - 8ft (2.5m), 13s period with SW swell.
The current surf forecast for Jacobs Bay at 1PM is: 2.2m 14s primary swell from a South-southwest direction and 0.4m 9s secondary swell from a West direction (forecast issued at 07:00am July 21). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jul) | 5ft (1.5m) | 15s |
| Afternoon (21 Jul) | 8ft (2.5m) | 14s |
| Evening (21 Jul) | 8ft (2.5m) | 13s |
Table - waves today at Jacobs Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 14°C on Wed afternoon, min 11°C on Tue morning). Winds increasing (calm on Wed morning, fresh winds from the N by Thu morning). | |||||||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||||
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) | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | WSW 12 | WSW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 18 | SW 17 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 403 | 665 | 1582 | 2187 | 2451 | 2532 | 2318 | 1969 | 1799 | 1544 | 1404 | 1313 | 1357 | 1107 | 1031 | 795 | 802 | 918 | 1193 | 1009 | 999 | 7124 | 9918 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | cross | cross | cross | cross | cross | cross | glassy | on | on | on | cross-on | cross | cross | cross | cross | cross | cross | cross-on | glassy | off |
High Tide | 8:18AM1.09m | 8:38PM1.21m | 9:25AM1.02m | 9:45PM1.12m | 10:49AM1.00m | ||||||||||||||||||
Low Tide | 2:14AM0.43m | 2:11PM0.52m | 3:15AM0.51m | 3:17PM0.61m | 4:35AM0.55m | 4:51PM0.64m | |||||||||||||||||
 |  | | | | |  | | | | | | | | | | | |  | | |  | | |
 | 7:46 | — | — | — | — | — | — | — | 7:46 | — | — | — | — | — | — | — | 7:45 | — | — | — | — | — | — |
 | — | — | — | — | 6:02 | — | — | — | — | — | — | — | 6:02 | — | — | — | — | — | — | — | 6:04 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 11 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 13 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 13 | 14 | 14 |
Feels °C | 11 | 9 | 10 | 11 | 10 | 10 | 11 | 11 | 12 | 12 | 11 | 12 | 12 | 11 | 11 | 10 | 10 | 9 | 8 | 7 | 11 | 14 | 14 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | WSW 12 | WSW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 18 | SW 17 |
| kJ | 403 | 665 | 1582 | 2187 | 2451 | 2532 | 2318 | 1969 | 1799 | 1544 | 1404 | 1313 | 1357 | 1107 | 1031 | 795 | 802 | 918 | 1193 | 1009 | 999 | 7124 | 9918 |
Swell 2 Height (m) Direction Period (s) | SW 7 | SSW 7 | WSW 11 | W 9 | W 9 | — | — | — | — | — | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 13 | SSW 12 | SSW 11 | — | WSW 12 | WSW 12 | WSW 13 | WSW 13 |
| kJ | 79 | 66 | 70 | 25 | 24 | — | — | — | — | — | 43 | 72 | 72 | 154 | 145 | 345 | 313 | 221 | — | 237 | 274 | 201 | 135 |
Swell 3 Height (m) Direction Period (s) | SW 11 | WSW 11 | W 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 21 | SW 20 | — | — |
| kJ | 94 | 79 | 38 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 72 | 647 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 3 | — | NNW 4 | NNW 4 | NNW 4 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | 8 | 16 | 29 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 28 | 29 | 28 | 18 | 18 | 18 | 0 | 28 | 31 | 31 | 31 | 69 | 47 | 82 | 82 | 135 | 142 | 86 | 82 | 30 |
Best forecast wave conditions in West Coast | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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