Surf Forecasts:
How big are the waves at The Rock today (31 Aug):
- Morning surf: Morning surf (31 Aug, local time) - 6ft (1.9m), 18s period with SSW swell.
- 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 9AM is: 1.9m 18s primary swell from a South-southwest direction and 0.8m 12s secondary swell from a South direction, 1.1m 6s secondary swell from a West direction (forecast issued at 04:30am August 31). The wind direction is predicted to be cross-shore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Aug) | 6ft (1.9m) | 18s |
| 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 19mm), heaviest on Mon morning. Warm (max 28°C on Mon morning, min 26°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 31 | Tuesday 1 | Wednesday 2 | ||||||||||||||||||||||
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 | 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 18 | SSW 18 | SSW 18 | 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 | 1855 | 2076 | 2291 | 2490 | 2462 | 2323 | 2242 | 2215 | 2397 | 2136 | 1896 | 1718 | 1466 | 1611 | 1393 | 1375 | 1208 | 1041 | 1028 | 1092 | 845 | 1045 | 1016 | 1002 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 3:55AM0.58m | 3:53PM0.52m | 4:20AM0.57m | 4:17PM0.49m | 4:47AM0.55m | 4:40PM0.44m | ||||||||||||||||||
Low Tide | 10:00AM0.04m | 10:00PM-0.02m | 10:28AM0.06m | 10:22PM0.01m | 10:57AM0.10m | 10:45PM0.05m | ||||||||||||||||||
 | |  | |  | |  | | | | | | | | | | | | | | | |  | | |
 | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — |
mm | 2 | 4 | 2 | 1 | — | — | — | — | — | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | — | — |
Temp °C | 26 | 26 | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 26 | 26 | 27 | 28 | 28 | 27 | 27 | 27 |
Feels °C | 27 | 27 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 29 | 29 | 28 | 28 | 29 | 29 | 29 | 28 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | SSW 18 | SSW 18 | SSW 18 | SSW 18 | 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 | 1855 | 2076 | 2291 | 2490 | 2462 | 2323 | 2242 | 2215 | 2397 | 2136 | 1896 | 1718 | 1466 | 1611 | 1393 | 1375 | 1208 | 1041 | 1028 | 1092 | 845 | 1045 | 1016 | 1002 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | SSE 9 | SSE 9 | SSE 9 | S 10 | S 10 | SE 8 | SE 9 | SSE 8 | W 6 | WSW 6 | SSE 6 | SE 9 | S 9 | SSE 9 | SE 9 | WSW 6 |
| kJ | 177 | 180 | 174 | 114 | 119 | 121 | 121 | 125 | 67 | 68 | 68 | 47 | 52 | 34 | 21 | 48 | 97 | 121 | 27 | 41 | 57 | 53 | 38 | 90 |
Swell 3 Height (m) Direction Period (s) | S 8 | — | S 13 | S 13 | — | SW 11 | — | — | — | — | — | — | S 10 | S 10 | S 11 | S 10 | SSW 5 | W 11 | SSE 10 | SSE 6 | W 10 | W 10 | W 10 | W 9 |
| kJ | 35 | — | 14 | 14 | — | 31 | — | — | — | — | — | — | 30 | 30 | 20 | 17 | 23 | 9 | 36 | 13 | 48 | 48 | 47 | 40 |
Wind waves Height (m) Direction Period (s) | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 7 | W 7 | W 7 | W 7 | W 7 | WSW 7 | WSW 7 | W 6 | W 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | — |
| kJ | 62 | 75 | 78 | 86 | 105 | 91 | 94 | 95 | 98 | 128 | 159 | 161 | 157 | 157 | 157 | 131 | 178 | 158 | 121 | 113 | 112 | 108 | 113 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 193 | 193 | 193 | 189 | 764 | 192 | 192 | 192 | 193 | 369 | 369 | 740 | 875 | 875 | 374 | 193 | 193 | 369 | 193 | 193 | 764 | 764 | 764 | 764 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||||||
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