Surf Forecasts:
How big are the waves at The Rock today (12 Sep):
- Morning surf: Morning surf (12 Sep, local time) - 5.5ft (1.7m), 16s period with SSW swell.
- Afternoon surf: Afternoon surf (12 Sep, local time) - 6ft (1.9m), 17s period with SSW swell.
- Evening surf: Evening surf (12 Sep, local time) - 6ft (1.9m), 17s period with SSW swell.
The current surf forecast for The Rock at 4PM is: 1.9m 17s primary swell from a South-southwest direction and 1.1m 7s secondary swell from a West-southwest direction (forecast issued at 10:30am September 12). The wind direction is predicted to be cross-onshore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Sep) | 5.5ft (1.7m) | 16s |
| Afternoon (12 Sep) | 6ft (1.9m) | 17s |
| Evening (12 Sep) | 6ft (1.9m) | 17s |
Table - waves today at The Rock. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 22mm), heaviest during Sat night. Warm (max 29°C on Sat morning, min 26°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||
Saturday 12 | Sunday 13 | Monday 14 | ||||||||||||||||||||
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 16 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 18 | SSW 17 | SW 13 | SSW 17 | SSW 17 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 1051 | 2162 | 2137 | 2113 | 2113 | 2088 | 1779 | 1411 | 1096 | 1082 | 1068 | 1028 | 923 | 898 | 886 | 763 | 651 | 1480 | 711 | 1266 | 1048 | 1048 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross | cross | cross-off | cross | cross | cross | cross | cross-off |
High Tide | 2:55PM0.54m | 3:20AM0.59m | 3:19PM0.53m | 3:42AM0.59m | 3:42PM0.51m | |||||||||||||||||
Low Tide | 9:01AM0.03m | 9:02PM-0.04m | 9:26AM0.03m | 9:24PM-0.03m | 9:49AM0.04m | 9:45PM-0.00m | ||||||||||||||||
 | | | |  | | | | | |  | |  | | | | | | |  | | | |
 | 5:58 | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — |
 | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:08 | — | — | — | — | — | — | — | 6:08 | — | — |
mm | 1 | 1 | 1 | 1 | 3 | 3 | 1 | 1 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | 3 | 3 |
Temp °C | 28 | 29 | 28 | 28 | 26 | 26 | 26 | 26 | 27 | 28 | 28 | 27 | 27 | 27 | 26 | 26 | 27 | 29 | 29 | 27 | 26 | 26 |
Feels °C | 31 | 31 | 29 | 30 | 29 | 29 | 29 | 28 | 29 | 29 | 29 | 28 | 30 | 29 | 28 | 28 | 29 | 30 | 29 | 28 | 27 | 28 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 18 | SSW 17 | SW 13 | SW 9 | WSW 7 |
| kJ | 1051 | 2162 | 2137 | 2113 | 2113 | 2088 | 1779 | 1411 | 1096 | 1082 | 1068 | 1028 | 923 | 898 | 886 | 763 | 651 | 1480 | 711 | 1266 | 475 | 191 |
Swell 2 Height (m) Direction Period (s) | SW 8 | SW 8 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | SE 9 | SE 9 | SSE 10 | SSE 8 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | SSW 13 | SSW 17 | SSW 17 | SSW 17 |
| kJ | 210 | 210 | 142 | 124 | 91 | 85 | 102 | 136 | 77 | 77 | 19 | 12 | 158 | 138 | 129 | 110 | 129 | 129 | 451 | 711 | 1048 | 1048 |
Swell 3 Height (m) Direction Period (s) | SSW 19 | SSE 9 | SSE 9 | SSE 9 | — | SSE 9 | — | — | — | — | — | S 20 | SSW 20 | SSW 20 | S 19 | S 18 | SSW 18 | SE 9 | SE 9 | SE 8 | — | SSW 10 |
| kJ | 990 | 103 | 103 | 101 | — | 103 | — | — | — | — | — | 69 | 75 | 127 | 178 | 318 | 432 | 37 | 36 | 35 | — | 150 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | WSW 7 | SW 8 | SW 7 | SW 7 | WSW 7 | WSW 7 | WSW 7 | — | WSW 7 | — | WSW 7 | WSW 7 | WSW 8 | WSW 9 | WSW 8 |
| kJ | — | — | — | — | — | — | — | 254 | 320 | 340 | 254 | 180 | 180 | 180 | — | 168 | — | 192 | 173 | 366 | 502 | 429 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 15 | 15 | 1419 | 1419 | 15 | 15 | 2 | 2 | 192 | 369 | 1158 | 1158 | 22 | 147 | 6 | 2 | 15 | 189 | 1500 | 15 | 15 | 8 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||||
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