Surf Forecasts:
How big are the waves at The Rock today (23 Aug):
- Afternoon surf: Afternoon surf (23 Aug, local time) - 4.5ft (1.3m), 13s period with S swell.
- Evening surf: Evening surf (23 Aug, local time) - 4.5ft (1.3m), 13s period with S swell.
The current surf forecast for The Rock at 11PM is: 1.3m 13s primary swell from a South direction and 0.7m 19s secondary swell from a South direction, 1.0m 6s secondary swell from a West direction (forecast issued at 04:30pm August 23). The wind direction is predicted to be cross-onshore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Aug) | - | - |
| Afternoon (23 Aug) | 4.5ft (1.3m) | 13s |
| Evening (23 Aug) | 4.5ft (1.3m) | 13s |
Table - waves today at The Rock. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 30mm), heaviest during Mon afternoon. Warm (max 28°C on Sun afternoon, min 26°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Sun 23 | Monday 24 | Tuesday 25 | ||||||||||||||||||
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) | S 13 | S 13 | S 13 | S 13 | S 13 | SSW 18 | SSW 18 | SSW 18 | SSW 16 | S 16 | S 16 | S 16 | SSW 15 | S 15 | S 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 |
Wave Graph  | ||||||||||||||||||||
 kJ | 600 | 591 | 582 | 582 | 490 | 522 | 522 | 408 | 437 | 529 | 529 | 522 | 953 | 447 | 441 | 456 | 449 | 361 | 336 | 326 |
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-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 12:36PM0.37m | 1:45AM0.33m | 1:06PM0.42m | 1:50AM0.37m | 1:31PM0.47m | |||||||||||||||
Low Tide | 7:39PM0.17m | 6:55AM0.22m | 7:46PM0.13m | 7:23AM0.17m | 8:00PM0.08m | |||||||||||||||
 | |  |  | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | 6:19 | — | — | — | — | — | — | — | 6:19 | — | — | — | — | — | — | — | 6:17 | — | — |
mm | 2 | 2 | 1 | — | — | 1 | 1 | 2 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 1 |
Temp °C | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 27 | 26 | 26 | 27 | 28 | 27 | 27 | 26 | 27 |
Feels °C | 29 | 28 | 29 | 29 | 29 | 29 | 28 | 29 | 29 | 28 | 29 | 29 | 27 | 27 | 28 | 28 | 28 | 28 | 27 | 29 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | SSW 16 | S 16 | S 16 | S 16 | SSW 15 | S 15 | S 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | S 9 |
| kJ | 600 | 591 | 582 | 582 | 490 | 468 | 365 | 353 | 437 | 529 | 529 | 522 | 953 | 447 | 441 | 456 | 449 | 361 | 336 | 139 |
Swell 2 Height (m) Direction Period (s) | S 21 | S 20 | S 19 | S 19 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | S 10 | S 10 | S 10 | S 10 | W 10 | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 | SSW 14 |
| kJ | 218 | 276 | 369 | 361 | 422 | 522 | 522 | 408 | 151 | 148 | 188 | 148 | 48 | 191 | 184 | 181 | 175 | 167 | 145 | 326 |
Swell 3 Height (m) Direction Period (s) | — | WNW 10 | S 16 | W 10 | W 10 | WNW 10 | WNW 10 | W 9 | S 12 | S 12 | S 12 | S 12 | — | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 |
| kJ | — | 11 | 20 | 8 | 8 | 33 | 32 | 16 | 141 | 141 | 104 | 103 | — | 53 | 49 | 47 | 46 | 47 | 45 | 43 |
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 6 | W 6 | W 5 | W 5 | WSW 5 | WSW 5 | WSW 6 | WSW 5 | WSW 5 | WSW 6 | W 5 |
| kJ | 89 | 91 | 86 | 68 | 66 | 74 | 62 | 50 | 50 | 48 | 39 | 36 | 45 | 62 | 62 | 65 | 66 | 53 | 50 | 37 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 763 | 875 | 774 | 763 | 763 | 461 | 193 | 193 | 763 | 875 | 875 | 193 | 193 | 193 | 193 | 192 | 875 | 875 | 763 | 193 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||
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