Surf Forecasts:
How big are the waves at J-Bay today (17 Jul):
- Morning surf: Morning surf (17 Jul, local time) - 10ft (3.0m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (17 Jul, local time) - 8ft (2.5m), 12s period with SW swell.
- Evening surf: Evening surf (17 Jul, local time) - 7ft (2.2m), 11s period with SW swell.
The current surf forecast for J-Bay at 1AM is: 2.3m 13s primary swell from a Southwest direction and 0.8m 11s secondary swell from a East direction (forecast issued at 07:00pm July 16). The wind direction is predicted to be offshore and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Jul) | 10ft (3.0m) | 12s |
| Afternoon (17 Jul) | 8ft (2.5m) | 12s |
| Evening (17 Jul) | 7ft (2.2m) | 11s |
Table - waves today at J-Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 19°C on Sat afternoon, min 14°C on Thu night). Winds increasing (calm on Fri night, fresh winds from the WSW by Sun afternoon). | |||||||||||||||||||
Thu 16 | Friday 17 | Saturday 18 | |||||||||||||||||
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 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 | SW 10 | SW 10 | SW 10 | SW 11 | SW 10 | SW 10 |
Wave Graph  | |||||||||||||||||||
 kJ | 2474 | 2187 | 1952 | 1819 | 2419 | 2185 | 2190 | 1910 | 1481 | 1171 | 1010 | 804 | 626 | 480 | 507 | 727 | 1518 | 1569 | 869 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | off | off | off | off | off | cross-off | cross | glassy | off | off | off | off | off | cross-off | cross-off | off | off |
High Tide | 5:20PM1.72m | 5:32AM1.59m | 6:00PM1.69m | 6:10AM1.50m | 6:39PM1.62m | ||||||||||||||
Low Tide | 11:31PM0.12m | 11:41AM0.04m | 00:12AM0.19m | 12:17PM0.12m | |||||||||||||||
 |  | |  | |  | | | |  | | | | | | | | | | |
 | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | — | — |
 | 5:29 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 16 | 15 | 14 | 14 | 14 | 16 | 18 | 17 | 15 | 15 | 15 | 15 | 15 | 18 | 19 | 17 | 15 | 15 |
Feels °C | 17 | 15 | 14 | 12 | 13 | 12 | 15 | 18 | 17 | 15 | 15 | 14 | 14 | 13 | 15 | 15 | 15 | 14 | 14 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 | SW 10 | S 11 | S 11 | S 11 | SW 10 | SW 10 |
| kJ | 2474 | 2187 | 1952 | 1819 | 1969 | 2185 | 2190 | 1910 | 1481 | 1171 | 1010 | 804 | 626 | 480 | 305 | 295 | 244 | 1300 | 869 |
Swell 2 Height (m) Direction Period (s) | E 11 | E 11 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | S 12 | S 12 | E 10 | E 10 | E 10 | S 11 | S 11 |
| kJ | 146 | 146 | 144 | 108 | 106 | 102 | 100 | 72 | 72 | 72 | 72 | 72 | 240 | 342 | 72 | 49 | 49 | 257 | 191 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | S 14 | S 14 | S 14 | S 13 | E 10 | E 10 | SSW 16 | — | SE 9 | E 10 | SW 14 |
| kJ | — | — | — | — | — | — | — | — | 15 | 36 | 95 | 78 | 72 | 72 | 25 | — | 22 | 49 | 151 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SW 13 | — | — | — | — | — | — | — | — | — | SW 10 | SW 10 | SW 11 | SW 10 | — |
| kJ | — | — | — | — | 2419 | — | — | — | — | — | — | — | — | — | 507 | 727 | 1518 | 1569 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 0 | 0 |
Best forecast wave conditions in Eastern Cape (South) | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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