Surf Forecasts:
How big are the waves at The Rock today (16 Aug):
- Morning surf: Morning surf (16 Aug, local time) - 3ft (0.9m), 11s period with S swell.
- Afternoon surf: Afternoon surf (16 Aug, local time) - 3ft (0.9m), 11s period with S swell.
- Evening surf: Evening surf (16 Aug, local time) - 3.5ft (1.0m), 11s period with S swell.
The current surf forecast for The Rock at 12AM is: 1.5m 7s primary swell from a West direction and 1.4m 7s secondary swell from a West-southwest direction, 0.9m 11s secondary swell from a South direction (forecast issued at 04:30pm August 15). The wind direction is predicted to be cross-onshore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Aug) | 3ft (0.9m) | 11s |
| Afternoon (16 Aug) | 3ft (0.9m) | 11s |
| Evening (16 Aug) | 3.5ft (1.0m) | 11s |
Table - waves today at The Rock. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 18mm), heaviest on Sat afternoon. Warm (max 28°C on Sat afternoon, min 25°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Sat 15 | Sunday 16 | Monday 17 | ||||||||||||||||||
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) | WSW 7 | WSW 7 | W 7 | WSW 7 | W 7 | W 7 | S 11 | S 11 | S 11 | S 11 | S 11 | W 10 | S 11 | S 10 | S 10 | SSW 22 | SSW 22 | SSW 22 | SSW 21 | SSW 21 |
Wave Graph  | ||||||||||||||||||||
 kJ | 219 | 227 | 271 | 233 | 247 | 243 | 184 | 182 | 188 | 188 | 233 | 371 | 220 | 216 | 141 | 270 | 680 | 839 | 1156 | 1851 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | 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 | 3:46PM0.54m | 4:20AM0.55m | 4:10PM0.51m | 4:45AM0.54m | 4:34PM0.48m | |||||||||||||||
Low Tide | 10:00PM-0.03m | 10:19AM0.07m | 10:24PM-0.01m | 10:46AM0.09m | 10:46PM0.03m | |||||||||||||||
 | |  | | | | | | | |  | | | | |  | | | | | |
 | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:21 | — | — |
mm | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | — | — | — | 1 | — | 1 | 1 | 1 | 2 |
Temp °C | 28 | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 28 | 27 | 26 | 26 | 26 | 26 | 27 | 28 | 27 | 27 | 26 | 26 |
Feels °C | 29 | 29 | 28 | 28 | 28 | 28 | 29 | 28 | 29 | 29 | 28 | 29 | 28 | 28 | 28 | 29 | 28 | 29 | 28 | 28 |
Swell 1 Height (m) Direction Period (s) | S 10 | S 10 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 6 | S 11 | S 11 | S 11 | WSW 6 | S 11 | S 11 | S 10 | S 10 | S 10 | SSW 22 | SSW 22 | SSW 21 | SSW 21 |
| kJ | 208 | 125 | 227 | 192 | 149 | 141 | 132 | 182 | 188 | 188 | 79 | 220 | 220 | 216 | 141 | 138 | 680 | 839 | 1156 | 1851 |
Swell 2 Height (m) Direction Period (s) | SSW 15 | SSW 15 | S 10 | S 11 | S 11 | S 11 | S 11 | W 9 | W 9 | W 9 | S 11 | WSW 6 | W 10 | W 10 | W 9 | W 9 | S 10 | S 10 | S 10 | WSW 9 |
| kJ | 179 | 172 | 172 | 182 | 182 | 184 | 184 | 61 | 76 | 60 | 233 | 56 | 67 | 67 | 63 | 61 | 135 | 130 | 128 | 216 |
Swell 3 Height (m) Direction Period (s) | W 10 | S 12 | SSW 14 | SSW 14 | W 9 | W 9 | W 9 | SSW 15 | SSW 14 | SSW 14 | W 9 | W 10 | SSW 13 | SSW 13 | SSW 22 | SSW 22 | W 9 | SSW 16 | W 9 | S 10 |
| kJ | 53 | 45 | 165 | 118 | 61 | 42 | 61 | 84 | 80 | 79 | 64 | 67 | 70 | 70 | 98 | 270 | 61 | 86 | 85 | 98 |
Wind waves Height (m) Direction Period (s) | WSW 7 | WSW 7 | W 7 | W 7 | W 7 | W 7 | W 6 | WSW 6 | WSW 6 | WSW 6 | SSW 5 | W 10 | W 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | W 10 |
| kJ | 219 | 227 | 271 | 233 | 247 | 243 | 184 | 110 | 103 | 107 | 37 | 371 | 56 | 56 | 60 | 71 | 69 | 91 | 52 | 349 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 875 | 186 | 875 | 193 | 193 | 193 | 193 | 669 | 875 | 875 | 875 | 15 | 193 | 374 | 193 | 192 | 875 | 875 | 193 | 193 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||
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