Surf Forecasts:
How big are the waves at The Rock today (15 Aug):
- Morning surf: Morning surf (15 Aug, local time) - 2.5ft (0.7m), 15s period with SSW swell.
- Afternoon surf: Afternoon surf (15 Aug, local time) - 5ft (1.6m), 7s period with WSW swell.
- Evening surf: Evening surf (15 Aug, local time) - 5ft (1.6m), 7s period with W swell.
The current surf forecast for The Rock at 11AM is: 1.6m 7s primary swell from a West-southwest direction and 0.9m 10s secondary swell from a South direction, 0.6m 15s secondary swell from a South-southwest direction (forecast issued at 04:30am August 15). The wind direction is predicted to be cross-shore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Aug) | 2.5ft (0.7m) | 15s |
| Afternoon (15 Aug) | 5ft (1.6m) | 7s |
| Evening (15 Aug) | 5ft (1.6m) | 7s |
Table - waves today at The Rock. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 30mm), heaviest during Sat morning. Warm (max 28°C on Sat afternoon, min 26°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 15 | Sunday 16 | Monday 17 | ||||||||||||||||||||||
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 11 | S 11 | SSW 15 | WSW 7 | WSW 7 | W 7 | W 7 | W 7 | W 8 | W 7 | W 9 | S 11 | S 11 | S 11 | W 10 | WSW 10 | S 11 | W 10 | S 10 | SSW 22 | SSW 22 | SSW 22 | SSW 21 | SSW 21 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 233 | 229 | 228 | 206 | 227 | 303 | 271 | 253 | 248 | 230 | 257 | 188 | 188 | 191 | 369 | 378 | 143 | 369 | 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-on | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross |
High Tide | 3:53AM0.55m | 3:46PM0.54m | 4:20AM0.55m | 4:10PM0.51m | 4:45AM0.54m | 4:34PM0.48m | ||||||||||||||||||
Low Tide | 9:51AM0.06m | 10:00PM-0.03m | 10:19AM0.07m | 10:24PM-0.01m | 10:46AM0.09m | 10:46PM0.03m | ||||||||||||||||||
 | |  | |  | |  | | | | | | |  | | | | | | | | | | | |
 | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:21 | — | — |
mm | 3 | 3 | 4 | 3 | — | — | — | 1 | 1 | 1 | 1 | 1 | 1 | — | — | — | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 4 |
Temp °C | 26 | 26 | 27 | 27 | 28 | 27 | 27 | 26 | 26 | 26 | 27 | 28 | 28 | 27 | 27 | 26 | 26 | 26 | 27 | 28 | 28 | 27 | 26 | 26 |
Feels °C | 27 | 27 | 28 | 29 | 29 | 29 | 30 | 29 | 29 | 28 | 29 | 30 | 29 | 29 | 29 | 28 | 28 | 28 | 29 | 30 | 29 | 29 | 28 | 28 |
Swell 1 Height (m) Direction Period (s) | S 11 | S 11 | S 11 | S 10 | S 10 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 6 | S 11 | S 11 | S 11 | S 11 | WSW 6 | S 11 | WSW 6 | S 10 | S 10 | SSW 22 | SSW 22 | SSW 21 | SSW 21 |
| kJ | 233 | 229 | 181 | 172 | 168 | 227 | 192 | 168 | 128 | 105 | 97 | 188 | 188 | 191 | 237 | 68 | 143 | 69 | 141 | 138 | 680 | 839 | 1156 | 1851 |
Swell 2 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | S 10 | S 10 | S 11 | S 11 | S 11 | S 11 | W 9 | W 9 | W 9 | W 7 | S 11 | W 10 | S 10 | W 9 | W 9 | S 10 | S 10 | S 10 | S 10 |
| kJ | 184 | 181 | 228 | 176 | 179 | 125 | 172 | 182 | 184 | 188 | 184 | 78 | 81 | 60 | 55 | 181 | 67 | 177 | 63 | 61 | 104 | 100 | 128 | 98 |
Swell 3 Height (m) Direction Period (s) | S 18 | SSE 17 | SSE 16 | S 12 | W 10 | SSW 15 | SSW 14 | SSW 14 | W 9 | W 9 | W 9 | SSW 15 | SSW 14 | SSW 6 | W 9 | W 10 | SW 13 | W 10 | SSW 22 | SSW 22 | W 9 | W 9 | W 9 | W 9 |
| kJ | 98 | 95 | 89 | 48 | 53 | 172 | 165 | 118 | 61 | 56 | 57 | 84 | 80 | 24 | 63 | 67 | 46 | 65 | 98 | 270 | 61 | 61 | 63 | 61 |
Wind waves Height (m) Direction Period (s) | WSW 6 | WSW 6 | WSW 6 | WSW 7 | WSW 7 | W 7 | W 7 | W 7 | W 8 | W 7 | W 9 | WSW 6 | WSW 6 | W 7 | W 10 | WSW 10 | WSW 6 | W 10 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 |
| kJ | 139 | 144 | 170 | 206 | 227 | 303 | 271 | 253 | 248 | 230 | 257 | 97 | 90 | 70 | 369 | 378 | 80 | 369 | 77 | 71 | 93 | 96 | 94 | 113 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 193 | 193 | 193 | 186 | 669 | 875 | 193 | 193 | 22 | 193 | 193 | 192 | 194 | 875 | 193 | 875 | 193 | 669 | 193 | 192 | 968 | 875 | 763 | 22 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||||||
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