Surf Forecasts:
How big are the waves at Jacobs Bay today (18 Jul):
- Morning surf: Morning surf (18 Jul, local time) - 4ft (1.2m), 9s period with SW swell.
- Afternoon surf: Afternoon surf (18 Jul, local time) - 3ft (0.9m), 14s period with SW swell.
- Evening surf: Evening surf (18 Jul, local time) - 5ft (1.5m), 12s period with SW swell.
The current surf forecast for Jacobs Bay at 7PM is: 1.3m 13s primary swell from a Southwest direction and 0.9m 12s secondary swell from a West-southwest direction (forecast issued at 01:00pm July 18). The wind direction is predicted to be onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jul) | 4ft (1.2m) | 9s |
| Afternoon (18 Jul) | 3ft (0.9m) | 14s |
| Evening (18 Jul) | 5ft (1.5m) | 12s |
Table - waves today at Jacobs Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Sat afternoon, min 13°C on Sun night). Wind will be generally light. | |||||||||||||||||||||
Sat 18 | Sunday 19 | Monday 20 | |||||||||||||||||||
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 9 | SW 14 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 | SW 10 | SW 9 | SSW 9 | SSW 9 | SSW 8 | SSW 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 166 | 304 | 374 | 677 | 666 | 528 | 511 | 503 | 503 | 546 | 544 | 663 | 778 | 860 | 769 | 665 | 551 | 300 | 338 | 165 | 136 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | cross-on | cross-on | cross | cross-off |
High Tide | 6:19PM1.54m | 6:39AM1.30m | 7:01PM1.44m | 7:25AM1.19m | 7:46PM1.32m | ||||||||||||||||
Low Tide | 12:00PM0.17m | 00:39AM0.23m | 12:40PM0.28m | 1:25AM0.33m | 1:22PM0.40m | ||||||||||||||||
 | |  |  | | | | | |  | | | | | | | | | | | | |
 | — | — | — | — | — | — | 7:47 | — | — | — | — | — | — | — | 7:47 | — | — | — | — | — | — |
 | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:01 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 17 | 16 | 15 | 15 | 15 | 14 | 14 | 15 | 15 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 |
Feels °C | 17 | 16 | 15 | 14 | 15 | 15 | 13 | 14 | 14 | 14 | 11 | 12 | 11 | 12 | 12 | 12 | 12 | 11 | 11 | 12 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 9 | SW 9 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 | SW 10 | SW 9 | SSW 9 | SSW 9 | SSW 8 | SSW 8 |
| kJ | 166 | 217 | 374 | 677 | 666 | 528 | 511 | 503 | 503 | 546 | 544 | 663 | 778 | 860 | 769 | 665 | 551 | 300 | 338 | 165 | 136 |
Swell 2 Height (m) Direction Period (s) | WSW 10 | SW 14 | SW 9 | WSW 12 | WSW 11 | W 11 | WSW 11 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | SW 11 | W 10 | SW 10 | SW 12 |
| kJ | 128 | 304 | 132 | 224 | 202 | 242 | 198 | 188 | 184 | 141 | 130 | 127 | 94 | 94 | 121 | 121 | 118 | 187 | 89 | 108 | 122 |
Swell 3 Height (m) Direction Period (s) | S 12 | S 11 | WSW 12 | S 11 | S 11 | S 10 | S 10 | S 10 | S 11 | S 10 | S 10 | SSE 10 | SSW 13 | SSE 10 | SSE 10 | WSW 16 | SW 16 | W 10 | SSW 18 | W 9 | W 9 |
| kJ | 100 | 121 | 179 | 114 | 110 | 100 | 68 | 77 | 82 | 56 | 52 | 32 | 70 | 19 | 10 | 25 | 10 | 92 | 31 | 83 | 60 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 127 | 31 | 29 | 18 | 18 | 31 | 29 | 28 | 31 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 28 | 31 | 18 | 0 |
Best forecast wave conditions in West Coast | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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