Surf Forecasts:
How big are the waves at The Rock today (23 Aug):
- Morning surf: Morning surf (23 Aug, local time) - 4ft (1.2m), 14s period with S swell.
- 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 10AM is: 1.3m 14s primary swell from a South direction and 0.5m 21s secondary swell from a South direction, 1.1m 6s secondary swell from a West direction (forecast issued at 04:30am August 23). The wind direction is predicted to be cross-onshore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Aug) | 4ft (1.2m) | 14s |
| 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 26mm), heaviest during Tue afternoon. Warm (max 28°C on Sun morning, min 26°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 23 | Monday 24 | Tuesday 25 | ||||||||||||||||||||||
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) | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | SSW 18 | 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 | 480 | 487 | 487 | 736 | 600 | 506 | 582 | 582 | 422 | 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-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 2:42AM0.29m | 12:36PM0.37m | 1:45AM0.33m | 1:06PM0.42m | 1:50AM0.37m | 1:31PM0.47m | ||||||||||||||||||
Low Tide | 6:07AM0.27m | 7:39PM0.17m | 6:55AM0.22m | 7:46PM0.13m | 7:23AM0.17m | 8:00PM0.08m | ||||||||||||||||||
 | |  | | | |  | | | |  | | |  | | | | | | | | | | | |
 | — | 6:03 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:19 | — | — | — | — | — | — | — | 6:19 | — | — | — | — | — | — | — | 6:17 | — | — |
mm | — | — | 1 | 1 | 1 | 1 | 1 | — | 1 | 1 | — | 1 | 1 | — | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 3 | 1 | 2 |
Temp °C | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 26 | 26 | 27 | 28 | 28 | 27 | 27 | 27 |
Feels °C | 28 | 28 | 29 | 29 | 28 | 28 | 29 | 28 | 28 | 29 | 30 | 29 | 28 | 30 | 29 | 29 | 27 | 28 | 28 | 29 | 29 | 28 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 10 | SSW 16 | S 16 | SSW 10 | S 16 | SSW 15 | S 15 | S 15 | SSW 15 | SSW 14 | S 10 | SSW 14 | SSW 14 |
| kJ | 480 | 487 | 487 | 736 | 600 | 506 | 582 | 582 | 404 | 386 | 356 | 151 | 437 | 529 | 210 | 522 | 953 | 447 | 441 | 456 | 449 | 206 | 336 | 326 |
Swell 2 Height (m) Direction Period (s) | S 10 | S 10 | S 10 | S 21 | S 21 | S 20 | S 19 | S 19 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | S 10 | S 12 | S 16 | SSW 10 | W 10 | S 11 | S 11 | S 11 | S 10 | SSW 14 | S 10 | S 9 |
| kJ | 186 | 186 | 151 | 233 | 218 | 276 | 369 | 361 | 422 | 522 | 522 | 408 | 151 | 141 | 529 | 154 | 48 | 191 | 184 | 181 | 175 | 361 | 113 | 109 |
Swell 3 Height (m) Direction Period (s) | S 24 | S 22 | S 21 | WNW 11 | — | WNW 10 | S 16 | W 10 | W 10 | WNW 10 | WNW 10 | S 12 | S 12 | W 10 | W 6 | S 12 | — | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 |
| kJ | 173 | 83 | 233 | 12 | — | 11 | 20 | 8 | 8 | 33 | 32 | 144 | 141 | 51 | 43 | 103 | — | 53 | 49 | 48 | 48 | 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 | WSW 5 | WSW 6 | W 5 | W 6 | W 6 | SW 10 | — | W 5 | W 5 | WSW 5 | WSW 5 | WSW 5 | WSW 6 | WSW 6 | WSW 5 | WSW 5 |
| kJ | 89 | 88 | 89 | 89 | 89 | 88 | 67 | 52 | 64 | 77 | 59 | 48 | 38 | 334 | — | 36 | 43 | 69 | 62 | 62 | 65 | 50 | 51 | 53 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 194 | 764 | 193 | 740 | 774 | 763 | 763 | 763 | 740 | 374 | 193 | 192 | 875 | 875 | 22 | 193 | 875 | 193 | 193 | 192 | 875 | 875 | 875 | 774 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||||||
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