Surf Forecasts:
How big are the waves at The Rock today (25 Aug):
- Morning surf: Morning surf (25 Aug, local time) - 3.5ft (1.0m), 15s period with S swell.
- Afternoon surf: Afternoon surf (25 Aug, local time) - 3.5ft (1.0m), 14s period with SSW swell.
- Evening surf: Evening surf (25 Aug, local time) - 3ft (0.9m), 14s period with SSW swell.
The current surf forecast for The Rock at 1AM is: 1.3m 16s primary swell from a South direction and 0.4m 10s secondary swell from a West direction, 1.1m 5s secondary swell from a West-southwest direction (forecast issued at 10:30pm August 24). The wind direction is predicted to be cross-onshore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Aug) | 3.5ft (1.0m) | 15s |
| Afternoon (25 Aug) | 3.5ft (1.0m) | 14s |
| Evening (25 Aug) | 3ft (0.9m) | 14s |
Table - waves today at The Rock. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 45mm), heaviest during Thu afternoon. Warm (max 28°C on Wed morning, min 26°C on Mon night). Wind will be generally light. | ||||||||||||||||||
Mon 24 | Tuesday 25 | Wednesday 26 | ||||||||||||||||
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 16 | S 16 | S 15 | S 15 | S 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | W 9 | SSW 13 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 21 |
Wave Graph  | ||||||||||||||||||
 kJ | 529 | 522 | 930 | 447 | 441 | 456 | 449 | 361 | 336 | 326 | 257 | 240 | 239 | 534 | 446 | 481 | 481 | 631 |
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-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross |
High Tide | 1:50AM0.37m | 1:31PM0.47m | 2:06AM0.42m | 1:55PM0.51m | ||||||||||||||
Low Tide | 7:46PM0.13m | 7:23AM0.17m | 8:00PM0.08m | 7:48AM0.12m | 8:18PM0.04m | |||||||||||||
 | | | |  | | | | | | |  |  | | |  | | | |
 | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:17 | — | — |
mm | 3 | 2 | 3 | 4 | 3 | 3 | 2 | 3 | 3 | 1 | 1 | — | — | — | — | — | — | 1 |
Temp °C | 27 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 28 | 28 | 28 | 27 | 27 |
Feels °C | 29 | 27 | 27 | 28 | 29 | 28 | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 29 | 29 | 29 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | S 16 | S 16 | S 15 | S 11 | S 11 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | S 9 | SSW 13 | WSW 5 | SSW 13 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 14 |
| kJ | 529 | 522 | 930 | 235 | 274 | 456 | 449 | 361 | 336 | 171 | 257 | 66 | 239 | 534 | 446 | 481 | 481 | 631 |
Swell 2 Height (m) Direction Period (s) | S 10 | S 10 | W 10 | S 15 | S 15 | S 11 | S 10 | S 10 | S 10 | SSW 14 | S 9 | SSW 13 | S 9 | S 9 | S 8 | S 8 | W 9 | SSW 21 |
| kJ | 183 | 183 | 31 | 447 | 441 | 178 | 218 | 165 | 143 | 326 | 106 | 239 | 76 | 93 | 69 | 68 | 56 | 582 |
Swell 3 Height (m) Direction Period (s) | S 12 | S 12 | — | W 10 | W 10 | W 10 | W 10 | W 10 | W 6 | W 9 | W 9 | S 9 | SSW 17 | S 24 | S 12 | S 12 | S 8 | SSE 8 |
| kJ | 104 | 103 | — | 53 | 49 | 47 | 46 | 47 | 30 | 43 | 60 | 80 | 170 | 11 | 104 | 104 | 49 | 48 |
Wind waves Height (m) Direction Period (s) | W 6 | W 6 | WSW 5 | WSW 6 | W 6 | WSW 6 | WSW 6 | WSW 6 | SW 5 | W 5 | WSW 5 | W 9 | WSW 5 | W 9 | W 9 | W 9 | WSW 5 | W 9 |
| kJ | 52 | 49 | 64 | 65 | 66 | 74 | 52 | 63 | 23 | 37 | 42 | 240 | 62 | 162 | 153 | 153 | 41 | 150 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 774 | 774 | 774 | 774 | 1348 | 763 | 1931 | 763 | 763 | 461 | 461 | 194 | 193 | 192 | 193 | 192 | 763 | 193 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||
Header Global | ||||||||||||||||||
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