Surf Forecasts:
How big are the waves at The Rock today (04 Sep):
- Morning surf: Morning surf (04 Sep, local time) - 4.5ft (1.4m), 13s period with SSW swell.
- Afternoon surf: Afternoon surf (04 Sep, local time) - 4ft (1.2m), 11s period with S swell.
- Evening surf: Evening surf (04 Sep, local time) - 4.5ft (1.3m), 11s period with S swell.
The current surf forecast for The Rock at 5AM is: 1.6m 13s primary swell from a South-southwest direction and 0.6m 9s secondary swell from a West direction, 0.8m 5s secondary swell from a West-southwest direction (forecast issued at 10:30pm September 03). The wind direction is predicted to be cross-onshore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Sep) | 4.5ft (1.4m) | 13s |
| Afternoon (04 Sep) | 4ft (1.2m) | 11s |
| Evening (04 Sep) | 4.5ft (1.3m) | 11s |
Table - waves today at The Rock. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 28mm), heaviest during Thu night. Warm (max 28°C on Fri morning, min 26°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Thu 3 | Friday 4 | Saturday 5 | ||||||||||||||||
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 13 | S 13 | S 13 | SSW 13 | SSW 13 | SSW 13 | S 11 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 16 |
Wave Graph  | ||||||||||||||||||
 kJ | 787 | 775 | 775 | 799 | 679 | 669 | 363 | 456 | 449 | 426 | 418 | 357 | 363 | 192 | 192 | 254 | 249 | 242 |
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-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 5:48AM0.45m | 5:14PM0.33m | 6:34AM0.38m | 4:01PM0.28m | ||||||||||||||
Low Tide | 11:06PM0.10m | 12:04PM0.21m | 11:22PM0.16m | 1:44PM0.27m | 10:40PM0.22m | |||||||||||||
 | | | |  | | | |  | | | | | | | |  | | |
 | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 6:14 | — | — | — | — | — | — | — | 6:13 | — | — |
mm | 1 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | — | 1 | 2 | 2 | 1 | 1 | 1 | 1 | — | 1 |
Temp °C | 27 | 27 | 26 | 26 | 27 | 28 | 28 | 27 | 27 | 26 | 26 | 27 | 27 | 28 | 28 | 28 | 27 | 27 |
Feels °C | 30 | 30 | 28 | 29 | 29 | 30 | 29 | 29 | 30 | 29 | 29 | 30 | 29 | 29 | 29 | 30 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 13 | S 13 | SSW 13 | SSW 13 | SSW 13 | S 11 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 |
| kJ | 787 | 775 | 775 | 799 | 679 | 669 | 363 | 456 | 449 | 426 | 418 | 357 | 363 | 192 | 192 | 254 | 249 | 200 |
Swell 2 Height (m) Direction Period (s) | W 6 | W 6 | W 9 | W 9 | W 9 | W 8 | SSW 13 | W 8 | S 16 | SSW 16 | W 8 | W 8 | SSW 15 | S 12 | S 12 | SSW 15 | S 15 | S 16 |
| kJ | 39 | 30 | 25 | 57 | 55 | 23 | 137 | 12 | 21 | 53 | 46 | 45 | 76 | 137 | 99 | 75 | 116 | 242 |
Swell 3 Height (m) Direction Period (s) | — | W 9 | — | — | — | S 21 | W 11 | S 18 | S 20 | S 19 | SSW 16 | SSW 16 | W 8 | S 15 | S 15 | W 8 | W 8 | WNW 5 |
| kJ | — | 27 | — | — | — | 9 | 2 | 27 | 8 | 30 | 53 | 89 | 10 | 115 | 115 | 10 | 10 | 9 |
Wind waves Height (m) Direction Period (s) | — | WSW 5 | W 5 | WSW 5 | W 5 | W 5 | W 5 | W 5 | W 5 | W 8 | W 5 | W 5 | W 5 | W 8 | W 5 | W 5 | WSW 4 | SW 4 |
| kJ | — | 45 | 20 | 31 | 24 | 17 | 25 | 18 | 25 | 64 | 18 | 21 | 11 | 40 | 18 | 20 | 14 | 8 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 763 | 763 | 763 | 15 | 369 | 669 | 763 | 764 | 15 | 15 | 15 | 22 | 369 | 669 | 764 | 763 | 22 | 15 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||
Header Global | ||||||||||||||||||
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