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 7AM is: 1.0m 18s primary swell from a South-southwest direction and 0.7m 13s secondary swell from a South-southwest direction, 0.8m 6s secondary swell from a West direction (forecast issued at 04:30am September 10). The wind direction is predicted to be cross-shore.
| 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 24mm), heaviest during Fri night. Warm (max 29°C on Thu morning, min 25°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 10 | Friday 11 | Saturday 12 | ||||||||||||||||||||||
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) | SSW 17 | SSW 18 | 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 19 | SSW 16 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 17 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 376 | 547 | 662 | 1375 | 1086 | 1201 | 1219 | 1077 | 1051 | 1012 | 960 | 911 | 871 | 651 | 856 | 1694 | 1432 | 1497 | 1195 | 2162 | 2137 | 2113 | 2113 | 2088 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | 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 | cross-on | cross | cross | cross | cross |
High Tide | 2:08AM0.51m | 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 | 2 | 1 | — | — | 3 | 5 | 2 | — | — | 1 | — | 1 |
Temp °C | 27 | 27 | 28 | 29 | 29 | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 26 | 25 | 26 | 28 | 29 | 27 | 27 | 26 |
Feels °C | 29 | 29 | 30 | 31 | 29 | 30 | 29 | 29 | 29 | 29 | 30 | 30 | 29 | 30 | 29 | 29 | 27 | 26 | 27 | 29 | 30 | 28 | 30 | 28 |
Swell 1 Height (m) Direction Period (s) | SSW 17 | SSW 18 | 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 19 | SSW 16 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 17 |
| kJ | 376 | 547 | 662 | 1375 | 1086 | 1201 | 1219 | 1077 | 1051 | 1012 | 960 | 911 | 773 | 651 | 651 | 1694 | 1025 | 1497 | 1195 | 2162 | 2137 | 2113 | 2113 | 2088 |
Swell 2 Height (m) Direction Period (s) | SSE 10 | SSE 10 | 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 14 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 7 | WSW 7 |
| kJ | 106 | 75 | 178 | 66 | 49 | 47 | 218 | 368 | 32 | 31 | 33 | 871 | 871 | 511 | 856 | 542 | 1432 | 563 | 103 | 103 | 103 | 85 | 102 | 115 |
Swell 3 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSE 10 | SSE 14 | SSW 26 | SSW 25 | SSE 14 | SSE 9 | SSW 24 | SSE 9 | SSW 22 | SE 9 | S 10 | S 10 | S 10 | S 10 | SE 9 | SSW 16 | SSW 19 | — | — | SSE 9 | SSE 9 | SSE 9 |
| kJ | 141 | 141 | 98 | 20 | 66 | 63 | 19 | 32 | 218 | 32 | 408 | 19 | 67 | 67 | 94 | 94 | 125 | 201 | 990 | — | — | 103 | 103 | 103 |
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 6 | W 4 | WSW 5 | WSW 6 | W 6 | W 6 | W 6 | WNW 6 | — | — |
| kJ | 42 | 43 | 42 | 45 | 47 | 48 | 36 | 33 | 32 | — | — | 36 | 35 | 34 | 24 | 17 | 48 | 90 | 126 | 130 | 109 | 64 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 193 | 369 | 369 | 669 | 875 | 875 | 875 | 875 | 875 | 374 | 193 | 968 | 1205 | 1084 | 1084 | 968 | 1084 | 1016 | 193 | 369 | 1500 | 1205 | 1084 | 374 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||||||
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