Surf Forecasts:
How big are the waves at The Rock today (13 Aug):
- Morning surf: Morning surf (13 Aug, local time) - 3.5ft (1.1m), 11s period with S swell.
- Afternoon surf: Afternoon surf (13 Aug, local time) - 3.5ft (1.1m), 11s period with S swell.
- Evening surf: Evening surf (13 Aug, local time) - 3ft (0.9m), 10s period with S swell.
The current surf forecast for The Rock at 4PM is: 1.1m 11s primary swell from a South direction and 0.5m 9s secondary swell from a West direction, 1.2m 6s secondary swell from a West-southwest direction (forecast issued at 10:30am August 13). The wind direction is predicted to be cross-shore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Aug) | 3.5ft (1.1m) | 11s |
| Afternoon (13 Aug) | 3.5ft (1.1m) | 11s |
| Evening (13 Aug) | 3ft (0.9m) | 10s |
Table - waves today at The Rock. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 24mm), heaviest during Fri night. Warm (max 28°C on Fri morning, min 26°C on Thu morning). Wind will be generally light. | ||||||||||||||||||||||
Thursday 13 | Friday 14 | Saturday 15 | ||||||||||||||||||||
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 | S 11 | S 11 | SSW 14 | S 10 | S 10 | S 10 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | SSW 15 | W 7 | S 10 | S 10 | S 10 | S 11 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 242 | 287 | 229 | 326 | 189 | 168 | 165 | 122 | 287 | 255 | 246 | 196 | 198 | 233 | 233 | 229 | 228 | 199 | 208 | 198 | 254 | 267 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross | cross | cross | cross | cross | cross |
High Tide | 2:52PM0.55m | 3:25AM0.54m | 3:20PM0.55m | 3:53AM0.55m | 3:46PM0.54m | |||||||||||||||||
Low Tide | 8:50AM0.06m | 9:11PM-0.02m | 9:22AM0.06m | 9:36PM-0.03m | 9:51AM0.06m | 10:00PM-0.03m | ||||||||||||||||
 | | | |  | | | | | | | | | | | | |  |  | |  | | |
 | 6:03 | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — |
mm | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 3 | 2 | 1 | — | — | — | — | — |
Temp °C | 26 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 27 | 28 | 27 | 27 | 26 | 26 | 26 | 26 | 27 | 28 | 27 | 27 | 26 | 26 |
Feels °C | 28 | 29 | 28 | 29 | 28 | 28 | 28 | 27 | 29 | 29 | 27 | 28 | 28 | 28 | 27 | 26 | 29 | 29 | 28 | 30 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | S 11 | S 11 | S 11 | S 11 | WSW 6 | WSW 6 | S 10 | S 10 | S 12 | S 11 | S 11 | S 11 | S 11 | S 11 | WSW 6 | S 11 | WSW 6 | WSW 6 | S 10 | W 6 | S 10 | S 11 |
| kJ | 242 | 287 | 229 | 326 | 79 | 77 | 165 | 122 | 287 | 255 | 246 | 196 | 192 | 233 | 167 | 229 | 172 | 176 | 208 | 101 | 254 | 267 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | SSW 15 | SSW 15 | W 9 | S 10 | S 10 | W 9 | S 13 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | S 11 | SSW 15 | S 11 | S 10 | SSW 15 | S 10 | W 6 | W 7 |
| kJ | 165 | 167 | 169 | 41 | 177 | 168 | 40 | 121 | 153 | 149 | 201 | 196 | 198 | 193 | 233 | 181 | 181 | 172 | 179 | 198 | 81 | 70 |
Swell 3 Height (m) Direction Period (s) | W 9 | W 9 | W 9 | S 24 | SSW 14 | S 13 | S 13 | SSW 16 | S 20 | S 19 | SSE 19 | S 19 | SSE 18 | SSE 18 | SSW 15 | SSE 17 | SSW 15 | SSW 15 | W 10 | SSW 15 | SSW 14 | W 9 |
| kJ | 56 | 40 | 38 | 11 | 189 | 90 | 89 | 107 | 67 | 116 | 124 | 110 | 64 | 63 | 184 | 96 | 228 | 176 | 47 | 172 | 165 | 76 |
Wind waves Height (m) Direction Period (s) | WSW 6 | WSW 6 | WSW 6 | WSW 6 | W 6 | W 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | W 6 | WSW 6 | W 6 | W 7 | WSW 7 | WNW 7 | W 7 | W 8 |
| kJ | 90 | 92 | 90 | 94 | 134 | 134 | 72 | 89 | 130 | 139 | 139 | 139 | 144 | 160 | 202 | 151 | 209 | 199 | 152 | 186 | 171 | 228 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 193 | 192 | 669 | 192 | 15 | 193 | 193 | 186 | 186 | 189 | 968 | 186 | 193 | 193 | 193 | 193 | 193 | 186 | 875 | 192 | 2 | 2 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||||
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