Surf Forecasts:
How big are the waves at J-Bay today (31 Aug):
- Morning surf: Morning surf (31 Aug, local time) - 6.5ft (2.0m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (31 Aug, local time) - 5.5ft (1.7m), 12s period with WSW swell.
- Evening surf: Evening surf (31 Aug, local time) - 5.5ft (1.7m), 12s period with SW swell.
The current surf forecast for J-Bay at 1AM is: 2.1m 12s primary swell from a Southwest direction and 0.5m 10s secondary swell from a East direction (forecast issued at 07:00pm August 30). The wind direction is predicted to be offshore and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Aug) | 6.5ft (2.0m) | 12s |
| Afternoon (31 Aug) | 5.5ft (1.7m) | 12s |
| Evening (31 Aug) | 5.5ft (1.7m) | 12s |
Table - waves today at J-Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 16°C on Mon morning, min 12°C on Mon night). Wind will be generally light. | |||||||||||||||||||
Sun 30 | Monday 31 | Tuesday 1 | |||||||||||||||||
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 10 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | WSW 12 | WSW 12 | WSW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 13 | SW 13 | SW 13 |
Wave Graph  | |||||||||||||||||||
 kJ | 834 | 1468 | 1324 | 1250 | 1229 | 1074 | 974 | 793 | 807 | 731 | 822 | 836 | 1040 | 1167 | 1398 | 1638 | 2145 | 2574 | 3299 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | off | off | off | glassy | cross-on | cross-on | glassy | off | cross-off | glassy | off | glassy | cross-on | cross-on | cross | cross-off |
High Tide | 4:57PM1.78m | 5:08AM1.61m | 5:26PM1.74m | 5:40AM1.54m | 5:58PM1.65m | ||||||||||||||
Low Tide | 11:07PM0.06m | 11:11AM0.04m | 11:38PM0.10m | 11:41AM0.11m | |||||||||||||||
 |  |  |  | |  | | | | | | | | | | | | | | |
 | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — |
 | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 15 | 14 | 14 | 14 | 13 | 16 | 16 | 15 | 14 | 13 | 12 | 12 | 12 | 16 | 16 | 16 | 15 | 14 |
Feels °C | 11 | 13 | 12 | 12 | 12 | 11 | 15 | 13 | 13 | 14 | 12 | 10 | 11 | 11 | 15 | 14 | 15 | 14 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 10 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | WSW 12 | WSW 12 | WSW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 13 | SW 13 | SW 13 |
| kJ | 834 | 1468 | 1324 | 1250 | 1229 | 1074 | 974 | 793 | 807 | 731 | 822 | 836 | 1040 | 1167 | 1398 | 1638 | 2145 | 2574 | 3299 |
Swell 2 Height (m) Direction Period (s) | SW 13 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 |
| kJ | 370 | 48 | 48 | 47 | 73 | 78 | 106 | 102 | 100 | 71 | 71 | 70 | 67 | 64 | 65 | 48 | 48 | 47 | 46 |
Swell 3 Height (m) Direction Period (s) | E 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 11 | SSE 11 | S 7 | S 7 | S 7 | SE 10 | SSE 6 | SSE 6 | SSE 6 | — | — | — | — | — |
| kJ | 52 | 20 | 10 | 11 | 11 | 11 | 11 | 33 | 23 | 22 | 4 | 8 | 8 | 3 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 13 | 3 | 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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