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) - 4ft (1.2m), 11s period with S swell.
The current surf forecast for The Rock at 5PM is: 1.3m 12s primary swell from a South direction and 0.2m 18s secondary swell from a South direction, 0.6m 8s secondary swell from a West direction (forecast issued at 10:30am September 04). 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) | 4ft (1.2m) | 11s |
Table - waves today at The Rock. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 12mm), heaviest on Sat night. Warm (max 28°C on Fri morning, min 26°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||
Friday 4 | Saturday 5 | Sunday 6 | ||||||||||||||||||||
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) | 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 | S 10 | S 10 | S 10 | S 11 | S 11 | S 11 | S 10 | S 10 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 679 | 669 | 363 | 456 | 376 | 363 | 357 | 357 | 363 | 192 | 192 | 254 | 249 | 242 | 200 | 202 | 204 | 178 | 235 | 244 | 124 | 153 |
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 | cross-on | cross-on | cross-on | cross-on |
High Tide | 5:48AM0.45m | 5:14PM0.33m | 6:34AM0.38m | 4:01PM0.28m | 11:22AM0.35m | |||||||||||||||||
Low Tide | 12:04PM0.21m | 11:22PM0.16m | 1:44PM0.27m | 10:40PM0.22m | 7:11PM0.20m | |||||||||||||||||
 |  | | |  | |  | |  | | | |  | | | | | | | | | | |
 | 6:01 | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | — | — | 6:14 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — |
mm | 1 | — | — | — | — | — | 1 | — | — | — | — | — | — | 2 | 3 | 1 | 1 | — | — | 1 | 1 | — |
Temp °C | 27 | 28 | 28 | 28 | 27 | 27 | 26 | 26 | 27 | 28 | 28 | 27 | 27 | 26 | 26 | 26 | 27 | 28 | 28 | 27 | 27 | 27 |
Feels °C | 29 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 29 | 30 | 30 | 29 | 30 | 29 | 29 | 28 | 29 | 30 | 29 | 29 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | 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 | S 10 | S 10 | S 10 | S 11 | S 11 | S 11 | S 10 | S 10 |
| kJ | 679 | 669 | 363 | 456 | 376 | 363 | 357 | 357 | 363 | 192 | 192 | 254 | 249 | 200 | 200 | 202 | 204 | 178 | 235 | 244 | 121 | 153 |
Swell 2 Height (m) Direction Period (s) | W 9 | W 8 | W 8 | S 18 | W 8 | W 8 | WSW 5 | W 4 | SSW 15 | S 12 | S 12 | SSW 15 | W 8 | S 16 | S 13 | S 14 | S 17 | SSW 14 | SSW 14 | SSW 16 | S 12 | SSW 16 |
| kJ | 53 | 52 | 47 | 27 | 64 | 48 | 14 | 10 | 76 | 137 | 99 | 75 | 42 | 242 | 130 | 94 | 142 | 61 | 63 | 81 | 75 | 81 |
Swell 3 Height (m) Direction Period (s) | — | S 21 | SSW 13 | S 16 | S 16 | SSW 16 | W 8 | SSW 16 | W 8 | S 15 | S 15 | SSW 18 | S 15 | W 8 | SSW 16 | SSW 16 | W 9 | SSW 17 | W 9 | W 9 | S 16 | SSW 12 |
| kJ | — | 9 | 137 | 5 | 21 | 53 | 21 | 89 | 10 | 115 | 115 | 62 | 116 | 11 | 86 | 89 | 27 | 99 | 25 | 25 | 124 | 49 |
Wind waves Height (m) Direction Period (s) | W 9 | W 5 | W 5 | W 8 | W 5 | W 5 | W 5 | W 5 | W 5 | W 5 | W 8 | W 8 | SW 4 | W 5 | W 5 | W 10 | WSW 4 | WSW 4 | W 5 | WSW 4 | WSW 4 | W 4 |
| kJ | 99 | 17 | 19 | 47 | 21 | 20 | 14 | 13 | 7 | 8 | 41 | 41 | 4 | 12 | 10 | 65 | 14 | 14 | 10 | 15 | 17 | 10 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 369 | 15 | 763 | 764 | 15 | 15 | 15 | 15 | 15 | 763 | 764 | 15 | 763 | 374 | 15 | 22 | 193 | 669 | 763 | 764 | 15 | 15 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||||
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