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 11AM is: 0.9m 11s primary swell from a South direction and 0.6m 9s secondary swell from a West direction, 1.2m 6s secondary swell from a West-southwest direction (forecast issued at 04:30am August 16). 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 ForecastHeavy rain (total 23mm), heaviest during Mon night. Warm (max 28°C on Sun morning, min 26°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 16 | Monday 17 | Tuesday 18 | ||||||||||||||||||||||
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 | W 7 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 10 | S 10 | SSW 22 | SSW 22 | SSW 22 | SSW 21 | SSW 21 | SSW 21 | SSW 20 | SSW 19 | SSW 19 | SSW 19 | SSW 19 | SSW 18 | SSW 18 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 215 | 233 | 184 | 182 | 188 | 188 | 287 | 181 | 181 | 175 | 141 | 270 | 680 | 839 | 1156 | 1851 | 2330 | 2365 | 3484 | 3448 | 3412 | 3306 | 2770 | 2678 |
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 | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 4:20AM0.55m | 4:10PM0.51m | 4:45AM0.54m | 4:34PM0.48m | 5:09AM0.51m | 4:56PM0.44m | ||||||||||||||||||
Low Tide | 10:19AM0.07m | 10:24PM-0.01m | 10:46AM0.09m | 10:46PM0.03m | 11:11AM0.13m | 11:05PM0.07m | ||||||||||||||||||
 | |  | |  | |  | | | | |  | | | | | | | | | | | | | |
 | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:21 | — | — | — | — | — | — | — | 6:21 | — | — |
mm | 1 | 1 | 1 | 1 | — | — | — | — | — | 1 | 1 | — | 1 | 2 | 3 | 2 | 1 | 2 | 3 | 1 | 1 | 1 | — | — |
Temp °C | 26 | 26 | 27 | 28 | 28 | 27 | 27 | 26 | 26 | 26 | 27 | 28 | 27 | 27 | 26 | 26 | 26 | 26 | 27 | 28 | 28 | 27 | 27 | 26 |
Feels °C | 29 | 28 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 29 | 29 | 28 | 29 | 28 | 29 | 29 | 28 | 29 | 29 | 29 | 29 | 30 | 29 |
Swell 1 Height (m) Direction Period (s) | WSW 7 | WSW 7 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 | SSW 22 | SSW 22 | SSW 21 | SSW 21 | SSW 21 | SSW 20 | SSW 19 | SSW 19 | SSW 19 | SSW 19 | SSW 18 | SSW 18 |
| kJ | 149 | 124 | 184 | 182 | 188 | 188 | 287 | 181 | 181 | 175 | 141 | 138 | 680 | 839 | 1156 | 1851 | 2330 | 2365 | 3484 | 3448 | 3412 | 3306 | 2770 | 2678 |
Swell 2 Height (m) Direction Period (s) | S 11 | S 11 | SSW 6 | W 9 | W 9 | W 9 | W 9 | W 10 | W 10 | W 10 | W 9 | W 9 | S 10 | S 10 | S 10 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | SSE 10 | SSE 10 | SSE 10 | W 9 | W 9 |
| kJ | 184 | 184 | 28 | 57 | 59 | 60 | 63 | 67 | 67 | 67 | 63 | 61 | 104 | 100 | 162 | 216 | 211 | 211 | 211 | 107 | 105 | 80 | 203 | 203 |
Swell 3 Height (m) Direction Period (s) | W 9 | W 9 | W 9 | SSW 15 | SSW 14 | SSW 14 | SSW 24 | SW 14 | SSW 13 | SSW 13 | SSW 22 | SSW 22 | W 9 | W 9 | W 6 | S 10 | S 10 | S 10 | SW 12 | SW 12 | — | — | S 10 | S 9 |
| kJ | 61 | 42 | 61 | 84 | 80 | 79 | 54 | 46 | 70 | 70 | 98 | 270 | 83 | 61 | 52 | 98 | 96 | 96 | 37 | 37 | — | — | 45 | 43 |
Wind waves Height (m) Direction Period (s) | W 7 | W 7 | W 7 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | W 10 | W 10 | W 9 | W 9 | W 9 | WSW 9 | WSW 6 | W 9 | W 10 | W 10 |
| kJ | 215 | 233 | 94 | 110 | 100 | 82 | 72 | 77 | 74 | 69 | 69 | 93 | 80 | 90 | 305 | 301 | 341 | 288 | 334 | 243 | 108 | 240 | 299 | 299 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 193 | 193 | 193 | 192 | 875 | 875 | 875 | 875 | 193 | 461 | 193 | 193 | 875 | 875 | 15 | 22 | 6 | 193 | 193 | 189 | 764 | 764 | 6 | 6 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||||||
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