Surf Forecasts:
How big are the waves at Rivermouth (Hikkaduwa) today (11 Sep):
- Afternoon surf: Afternoon surf (11 Sep, local time) - 5ft (1.5m), 15s period with SSW swell.
- Evening surf: Evening surf (11 Sep, local time) - 4.5ft (1.3m), 19s period with SSW swell.
The current surf forecast for Rivermouth (Hikkaduwa) at 11PM is: 1.4m 19s primary swell from a South-southwest direction and 1.4m 15s secondary swell from a South-southwest direction, 1.1m 6s secondary swell from a West direction (forecast issued at 04:30pm September 11). The wind direction is predicted to be cross-onshore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Sep) | - | - |
| Afternoon (11 Sep) | 5ft (1.5m) | 15s |
| Evening (11 Sep) | 4.5ft (1.3m) | 19s |
Table - waves today at Rivermouth (Hikkaduwa). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 46mm), heaviest during Sun afternoon. Warm (max 29°C on Fri afternoon, min 26°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Fri 11 | Saturday 12 | Sunday 13 | ||||||||||||||||||
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 15 | SSW 14 | SSW 19 | SSW 19 | SSW 19 | SSW 19 | SSW 16 | SSW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 |
Wave Graph  | ||||||||||||||||||||
 kJ | 970 | 845 | 1004 | 1424 | 1719 | 1410 | 1214 | 2404 | 2517 | 2171 | 2171 | 2146 | 1887 | 1606 | 1433 | 1341 | 1169 | 1125 | 1052 | 924 |
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 |
High Tide | 2:15PM0.66m | 2:42AM0.69m | 2:41PM0.66m | 3:08AM0.71m | 3:06PM0.64m | |||||||||||||||
Low Tide | 8:28PM0.00m | 8:46AM0.07m | 8:49PM-0.01m | 9:12AM0.07m | 9:10PM-0.02m | |||||||||||||||
 |  |  | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — |
 | — | 6:10 | — | — | — | — | — | — | — | 6:10 | — | — | — | — | — | — | — | 6:09 | — | — |
mm | — | 2 | 2 | 1 | 2 | 2 | — | 1 | 1 | 1 | 1 | 2 | 3 | 3 | 3 | 3 | 4 | 3 | 2 | 4 |
Temp °C | 29 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 26 | 26 | 27 | 28 | 27 | 27 | 27 | 27 |
Feels °C | 30 | 29 | 29 | 29 | 30 | 31 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 28 | 29 | 30 | 28 | 28 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 14 | SSW 14 | SSW 15 | SSW 16 | SSW 16 | SSW 16 | SSW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 |
| kJ | 970 | 845 | 834 | 857 | 1067 | 1081 | 1214 | 2404 | 2517 | 2171 | 2171 | 2146 | 1887 | 1606 | 1433 | 1341 | 1169 | 1125 | 1052 | 924 |
Swell 2 Height (m) Direction Period (s) | SW 21 | SSW 21 | SSW 19 | SSW 19 | SSW 19 | SSW 19 | WSW 8 | WSW 8 | WSW 7 | SSE 9 | WSW 7 | SSE 9 | W 7 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 |
| kJ | 898 | 573 | 1004 | 1424 | 1719 | 1410 | 224 | 204 | 157 | 73 | 118 | 71 | 110 | 90 | 68 | 67 | 67 | 53 | 49 | 52 |
Swell 3 Height (m) Direction Period (s) | SE 9 | SSE 9 | SSE 8 | SSE 8 | SE 10 | WSW 7 | SSW 19 | SE 9 | SSE 9 | — | SSE 9 | — | SSE 9 | — | — | — | — | SSW 20 | SSW 20 | SSW 20 |
| kJ | 79 | 67 | 45 | 44 | 96 | 178 | 1135 | 84 | 73 | — | 73 | — | 71 | — | — | — | — | 78 | 75 | 127 |
Wind waves Height (m) Direction Period (s) | WNW 6 | W 6 | W 6 | W 6 | W 6 | WNW 6 | WNW 6 | WNW 6 | NW 6 | WSW 7 | — | WSW 7 | — | W 7 | W 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 |
| kJ | 64 | 78 | 71 | 77 | 120 | 62 | 51 | 34 | 17 | 151 | — | 118 | — | 110 | 113 | 139 | 162 | 197 | 217 | 204 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 1069 | 860 | 1069 | 1069 | 54 | 19 | 19 | 1129 | 1440 | 1440 | 54 | 19 | 19 | 34 | 19 | 1518 | 1440 | 1129 | 338 | 170 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||
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