Surf Forecasts:
How big are the waves at The Rock today (07 Sep):
- Morning surf: Morning surf (07 Sep, local time) - 3ft (0.9m), 10s period with S swell.
- Afternoon surf: Afternoon surf (07 Sep, local time) - 2.5ft (0.8m), 10s period with S swell.
- Evening surf: Evening surf (07 Sep, local time) - 1.5ft (0.5m), 18s period with SSW swell.
The current surf forecast for The Rock at 9AM is: 0.9m 10s primary swell from a South direction and 0.4m 14s secondary swell from a South-southwest direction, 0.3m 4s secondary swell from a West direction (forecast issued at 04:30am September 07). The wind direction is predicted to be cross-onshore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Sep) | 3ft (0.9m) | 10s |
| Afternoon (07 Sep) | 2.5ft (0.8m) | 10s |
| Evening (07 Sep) | 1.5ft (0.5m) | 18s |
Table - waves today at The Rock. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 36mm), heaviest during Tue night. Warm (max 29°C on Mon morning, min 26°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 7 | Tuesday 8 | Wednesday 9 | ||||||||||||||||||||||
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 | S 10 | S 10 | S 10 | S 10 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | S 18 | SSW 11 | SSW 18 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 202 | 178 | 172 | 165 | 127 | 125 | 182 | 249 | 249 | 178 | 214 | 298 | 376 | 273 | 269 | 240 | 249 | 314 | 246 | 242 | 239 | 163 | 153 | 322 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | 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 | cross-on | cross-on | cross | cross | cross | cross |
High Tide | 1:17AM0.31m | 12:34PM0.41m | 1:23AM0.38m | 1:09PM0.46m | 1:44AM0.45m | 1:38PM0.50m | ||||||||||||||||||
Low Tide | 6:19AM0.23m | 7:14PM0.14m | 7:04AM0.17m | 7:33PM0.08m | 7:37AM0.11m | 7:54PM0.03m | ||||||||||||||||||
 | |  | | | |  | | | |  | | | |  | | |  | | | | | | | |
 | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:12 | — | — | — | — | — | — | — | 6:12 | — | — | — | — | — | — | — | 6:10 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 2 | 4 | 3 | 4 | 6 | 5 | 3 | 3 | 2 | — | — |
Temp °C | 27 | 27 | 28 | 29 | 29 | 28 | 28 | 27 | 27 | 27 | 28 | 29 | 28 | 28 | 27 | 27 | 26 | 26 | 27 | 28 | 28 | 27 | 27 | 27 |
Feels °C | 30 | 31 | 31 | 31 | 30 | 30 | 32 | 30 | 29 | 30 | 30 | 31 | 29 | 30 | 29 | 29 | 28 | 28 | 29 | 30 | 29 | 28 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 9 | S 9 | S 9 | S 9 | S 9 | S 9 | S 10 | S 10 | S 10 | S 9 | S 9 | S 10 | S 7 | SSE 9 | SSW 11 | S 10 |
| kJ | 202 | 178 | 172 | 165 | 125 | 121 | 120 | 117 | 113 | 108 | 136 | 164 | 136 | 139 | 148 | 148 | 148 | 175 | 175 | 179 | 56 | 147 | 153 | 161 |
Swell 2 Height (m) Direction Period (s) | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 18 |
| kJ | 81 | 77 | 72 | 66 | 63 | 62 | 182 | 249 | 249 | 178 | 214 | 298 | 376 | 273 | 269 | 240 | 249 | 314 | 246 | 242 | 239 | 160 | 147 | 322 |
Swell 3 Height (m) Direction Period (s) | W 8 | W 8 | W 8 | W 9 | SSW 20 | SSW 19 | SSW 14 | WSW 10 | SSW 13 | WSW 9 | WSW 9 | WSW 9 | SSW 12 | WSW 8 | WSW 8 | SSW 12 | SSW 12 | WSW 8 | WSW 8 | SSW 19 | SSE 9 | S 18 | SSE 11 | SSW 14 |
| kJ | 22 | 21 | 22 | 25 | 127 | 125 | 61 | 31 | 59 | 26 | 26 | 26 | 49 | 23 | 22 | 48 | 29 | 13 | 12 | 69 | 45 | 163 | 101 | 145 |
Wind waves Height (m) Direction Period (s) | W 4 | W 4 | W 4 | W 4 | W 9 | W 10 | W 10 | W 4 | W 10 | W 4 | W 5 | W 5 | W 5 | W 5 | W 5 | W 5 | W 5 | W 5 | W 5 | W 5 | W 6 | W 5 | W 5 | W 5 |
| kJ | 3 | 4 | 3 | 3 | 63 | 94 | 94 | 8 | 90 | 14 | 15 | 17 | 25 | 24 | 25 | 25 | 24 | 31 | 45 | 47 | 30 | 34 | 29 | 25 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 15 | 15 | 15 | 669 | 763 | 763 | 15 | 15 | 22 | 22 | 374 | 740 | 763 | 763 | 193 | 764 | 461 | 193 | 193 | 192 | 790 | 875 | 790 | 193 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||||||
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