Surf Forecasts:
How big are the waves at The Rock today (10 Sep):
- Morning surf: Morning surf (10 Sep, local time) - 4ft (1.2m), 18s period with SSW swell.
- Afternoon surf: Afternoon surf (10 Sep, local time) - 4.5ft (1.4m), 17s period with SSW swell.
- Evening surf: Evening surf (10 Sep, local time) - 5ft (1.6m), 16s period with SSW swell.
The current surf forecast for The Rock at 3PM is: 1.4m 17s primary swell from a South-southwest direction and 0.5m 9s secondary swell from a South-southeast direction, 0.8m 6s secondary swell from a West direction (forecast issued at 10:30am September 10). The wind direction is predicted to be cross-onshore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Sep) | 4ft (1.2m) | 18s |
| Afternoon (10 Sep) | 4.5ft (1.4m) | 17s |
| Evening (10 Sep) | 5ft (1.6m) | 16s |
Table - waves today at The Rock. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 26mm), heaviest during Fri night. Warm (max 29°C on Thu morning, min 26°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||
Thursday 10 | Friday 11 | Saturday 12 | ||||||||||||||||||||
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 18 | S 18 | SSW 17 | SSW 17 | S 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 21 | SSW 14 | SSW 19 | SSW 19 | SSW 19 | SSW 16 | SSW 16 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 17 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 662 | 1375 | 1086 | 1201 | 1219 | 1077 | 1051 | 1012 | 960 | 911 | 871 | 651 | 856 | 1694 | 1432 | 1247 | 1348 | 2384 | 2357 | 2113 | 2113 | 2088 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross | cross-on |
High Tide | 2:04PM0.52m | 2:32AM0.56m | 2:30PM0.54m | 2:56AM0.58m | 2:55PM0.54m | |||||||||||||||||
Low Tide | 8:07AM0.07m | 8:17PM-0.01m | 8:34AM0.04m | 8:40PM-0.03m | 9:01AM0.03m | 9:02PM-0.04m | ||||||||||||||||
 |  |  | |  | |  | | | | | | | | | | | | | | | | |
 | 6:00 | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — |
 | — | — | — | 6:10 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — |
mm | — | 1 | — | — | — | — | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 3 | 3 | 1 | 1 | 1 | 1 | 1 |
Temp °C | 28 | 29 | 29 | 28 | 27 | 27 | 27 | 26 | 28 | 29 | 28 | 27 | 27 | 27 | 26 | 26 | 27 | 28 | 28 | 27 | 27 | 26 |
Feels °C | 30 | 30 | 29 | 30 | 29 | 29 | 29 | 28 | 30 | 31 | 29 | 28 | 29 | 29 | 27 | 28 | 29 | 29 | 29 | 29 | 30 | 29 |
Swell 1 Height (m) Direction Period (s) | SSW 18 | S 18 | SSW 17 | SSW 17 | S 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 19 | SSW 16 | SSW 16 | SSW 16 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 17 |
| kJ | 662 | 1375 | 1086 | 1201 | 1219 | 1077 | 1051 | 1012 | 960 | 911 | 773 | 651 | 651 | 1694 | 1165 | 1195 | 1348 | 2384 | 2357 | 2113 | 2113 | 2088 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | SSW 26 | SSE 9 | SSE 9 | SSW 24 | SSW 24 | SSE 9 | W 6 | W 6 | SSW 21 | SSW 21 | SSW 21 | SSW 19 | SSW 14 | SSW 19 | SSW 19 | SSW 19 | SSE 9 | SSE 9 | WSW 6 | WSW 7 | WSW 7 |
| kJ | 178 | 66 | 49 | 47 | 218 | 368 | 32 | 42 | 45 | 871 | 871 | 511 | 856 | 542 | 1432 | 1247 | 990 | 154 | 103 | 121 | 142 | 113 |
Swell 3 Height (m) Direction Period (s) | SSE 10 | SSE 14 | SSW 26 | SSW 25 | SSE 14 | SSE 9 | SSW 24 | SSE 9 | SSW 22 | SSE 9 | S 9 | S 10 | S 10 | S 10 | SE 9 | WSW 5 | W 6 | — | — | — | — | — |
| kJ | 98 | 20 | 66 | 63 | 19 | 32 | 218 | 32 | 408 | 29 | 60 | 67 | 94 | 94 | 125 | 51 | 49 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | — | — | W 6 | W 6 | W 6 | W 6 | W 6 | W 5 | — | — | W 6 | W 6 | WSW 6 | WSW 7 | WSW 7 |
| kJ | 42 | 45 | 47 | 48 | 48 | 47 | 43 | — | — | 36 | 36 | 34 | 33 | 31 | 27 | — | — | 52 | 69 | 170 | 168 | 139 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 369 | 669 | 875 | 875 | 875 | 193 | 759 | 374 | 193 | 669 | 968 | 987 | 987 | 193 | 1205 | 22 | 374 | 1500 | 1500 | 1084 | 15 | 22 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||||
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