Surf Forecasts:
How big are the waves at The Rock today (31 Aug):
- Afternoon surf: Afternoon surf (31 Aug, local time) - 6.5ft (2.0m), 17s period with SSW swell.
- Evening surf: Evening surf (31 Aug, local time) - 6.5ft (2.0m), 17s period with SSW swell.
The current surf forecast for The Rock at 10PM is: 2.0m 17s primary swell from a South-southwest direction and 0.7m 11s secondary swell from a South direction, 1.1m 6s secondary swell from a West direction (forecast issued at 04:30pm August 31). The wind direction is predicted to be cross-shore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Aug) | - | - |
| Afternoon (31 Aug) | 6.5ft (2.0m) | 17s |
| Evening (31 Aug) | 6.5ft (2.0m) | 17s |
Table - waves today at The Rock. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 18mm), heaviest on Tue night. Warm (max 28°C on Mon afternoon, min 26°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Mon 31 | Tuesday 1 | Wednesday 2 | ||||||||||||||||||
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 18 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 |
Wave Graph  | ||||||||||||||||||||
 kJ | 2462 | 2323 | 2242 | 2215 | 2397 | 2136 | 1896 | 1697 | 1466 | 1611 | 1393 | 1224 | 1208 | 1041 | 986 | 1092 | 845 | 1045 | 1143 | 1127 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 3:53PM0.52m | 4:20AM0.57m | 4:17PM0.49m | 4:47AM0.55m | 4:40PM0.44m | |||||||||||||||
Low Tide | 10:00PM-0.02m | 10:28AM0.06m | 10:22PM0.01m | 10:57AM0.10m | 10:45PM0.05m | |||||||||||||||
 | |  | |  | | |  | | | | | | | | | | | |  | |
 | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — |
mm | — | — | — | — | 1 | — | — | 1 | 1 | — | 1 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | — |
Temp °C | 28 | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 26 | 26 | 27 | 28 | 28 | 27 | 27 | 26 |
Feels °C | 28 | 30 | 30 | 29 | 29 | 29 | 30 | 28 | 28 | 28 | 29 | 30 | 27 | 28 | 29 | 30 | 29 | 29 | 30 | 28 |
Swell 1 Height (m) Direction Period (s) | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 |
| kJ | 2462 | 2323 | 2242 | 2215 | 2397 | 2136 | 1896 | 1697 | 1466 | 1611 | 1393 | 1224 | 1208 | 1041 | 986 | 1092 | 845 | 1045 | 1143 | 1127 |
Swell 2 Height (m) Direction Period (s) | S 11 | S 11 | S 11 | S 11 | SSE 9 | SSE 9 | SSE 9 | S 10 | S 10 | SE 8 | SE 9 | SE 8 | SSE 10 | SSE 9 | SSE 9 | SSE 9 | S 9 | W 10 | W 6 | SE 9 |
| kJ | 119 | 121 | 121 | 125 | 61 | 68 | 68 | 47 | 52 | 34 | 38 | 35 | 56 | 71 | 52 | 53 | 57 | 17 | 95 | 38 |
Swell 3 Height (m) Direction Period (s) | — | SW 11 | — | — | — | — | — | — | — | S 10 | S 11 | S 10 | SE 9 | — | — | WNW 10 | WNW 10 | WNW 10 | W 10 | W 9 |
| kJ | — | 31 | — | — | — | — | — | — | — | 30 | 20 | 17 | 20 | — | — | 21 | 34 | 31 | 47 | 41 |
Wind waves Height (m) Direction Period (s) | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 6 | W 6 | W 6 |
| kJ | 106 | 109 | 98 | 98 | 95 | 98 | 128 | 131 | 150 | 150 | 128 | 126 | 126 | 131 | 157 | 157 | 135 | 104 | 98 | 76 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 740 | 193 | 193 | 192 | 193 | 369 | 193 | 192 | 875 | 875 | 374 | 193 | 193 | 369 | 369 | 740 | 764 | 764 | 15 | 22 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||
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