Surf Forecasts:
How big are the waves at The Rock today (19 Aug):
- Afternoon surf: Afternoon surf (19 Aug, local time) - 7ft (2.2m), 18s period with SSW swell.
- Evening surf: Evening surf (19 Aug, local time) - 7.5ft (2.3m), 17s period with SSW swell.
The current surf forecast for The Rock at 11PM is: 2.3m 17s primary swell from a South-southwest direction and 1.1m 6s secondary swell from a West-southwest direction (forecast issued at 04:30pm August 19). The wind direction is predicted to be cross-onshore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Aug) | - | - |
| Afternoon (19 Aug) | 7ft (2.2m) | 18s |
| Evening (19 Aug) | 7.5ft (2.3m) | 17s |
Table - waves today at The Rock. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 38mm), heaviest during Wed night. Warm (max 28°C on Wed afternoon, min 26°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Wed 19 | Thursday 20 | Friday 21 | ||||||||||||||||||
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 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | S 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | S 15 | S 14 | S 14 | SSW 14 | S 14 | SSW 14 |
Wave Graph  | ||||||||||||||||||||
 kJ | 2798 | 3056 | 2987 | 2783 | 2684 | 2398 | 2160 | 2088 | 1869 | 1643 | 1581 | 1364 | 1168 | 1152 | 978 | 965 | 951 | 704 | 674 | 401 |
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-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross |
High Tide | 5:15PM0.39m | 5:55AM0.43m | 5:26PM0.34m | 6:22AM0.38m | 5:04PM0.29m | |||||||||||||||
Low Tide | 11:36AM0.16m | 11:22PM0.12m | 12:03PM0.21m | 11:32PM0.17m | 12:40PM0.26m | 11:10PM0.22m | ||||||||||||||
 | |  | | | | | | | | | | | | | | | |  | | |
 | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | 6:21 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — |
mm | 1 | 1 | 1 | 2 | 3 | 4 | 3 | 1 | 1 | 1 | 2 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | — | 1 |
Temp °C | 28 | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 |
Feels °C | 29 | 29 | 28 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 28 | 27 | 29 | 28 | 29 | 28 | 28 |
Swell 1 Height (m) Direction Period (s) | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | S 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | S 15 | S 14 | S 14 | SSW 14 | S 14 | SSW 14 |
| kJ | 2798 | 3056 | 2987 | 2783 | 2684 | 2398 | 2160 | 2088 | 1869 | 1643 | 1581 | 1364 | 1168 | 1152 | 978 | 965 | 951 | 704 | 674 | 401 |
Swell 2 Height (m) Direction Period (s) | S 18 | S 18 | S 18 | — | S 12 | S 12 | S 12 | W 9 | W 9 | W 10 | WSW 6 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | S 18 | S 19 | S 11 |
| kJ | 1279 | 1615 | 1561 | — | 221 | 221 | 285 | 63 | 64 | 67 | 94 | 46 | 48 | 31 | 31 | 30 | 29 | 240 | 343 | 184 |
Swell 3 Height (m) Direction Period (s) | W 9 | — | — | — | — | W 9 | W 9 | — | — | — | — | — | S 24 | S 24 | S 21 | S 22 | S 20 | W 9 | W 9 | S 18 |
| kJ | 57 | — | — | — | — | 55 | 64 | — | — | — | — | — | 11 | 11 | 35 | 36 | 127 | 28 | 28 | 332 |
Wind waves Height (m) Direction Period (s) | W 6 | W 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | — | WSW 6 | WSW 6 | WSW 6 | W 6 | W 6 | W 6 | WSW 6 | W 6 | W 6 |
| kJ | 104 | 91 | 80 | 80 | 95 | 98 | 102 | 97 | 94 | 94 | — | 67 | 80 | 101 | 85 | 85 | 85 | 86 | 82 | 66 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 1801 | 875 | 875 | 374 | 193 | 193 | 193 | 192 | 669 | 875 | 875 | 193 | 193 | 374 | 194 | 669 | 875 | 875 | 193 | 193 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||
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