Surf Forecasts:
How big are the waves at Rivermouth (Hikkaduwa) today (11 Aug):
- Afternoon surf: Afternoon surf (11 Aug, local time) - 4.5ft (1.3m), 19s period with S swell.
- Evening surf: Evening surf (11 Aug, local time) - 4ft (1.2m), 18s period with S swell.
The current surf forecast for Rivermouth (Hikkaduwa) at 11PM is: 1.3m 18s primary swell from a South direction and 0.9m 11s secondary swell from a South-southeast direction, 1.0m 6s secondary swell from a West direction (forecast issued at 04:30pm August 11). The wind direction is predicted to be cross-onshore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Aug) | - | - |
| Afternoon (11 Aug) | 4.5ft (1.3m) | 19s |
| Evening (11 Aug) | 4ft (1.2m) | 18s |
Table - waves today at Rivermouth (Hikkaduwa). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 61mm), heaviest during Wed night. Warm (max 27°C on Tue afternoon, min 26°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Tue 11 | Wednesday 12 | Thursday 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) | S 19 | S 18 | S 18 | S 18 | S 18 | S 17 | S 16 | S 12 | SSW 16 | S 16 | SSE 12 | WNW 9 | S 11 | S 11 | SSE 11 | S 11 | SSE 11 | SSE 11 | SSE 10 | SSE 10 |
Wave Graph  | ||||||||||||||||||||
 kJ | 1225 | 777 | 885 | 1051 | 871 | 454 | 417 | 224 | 547 | 516 | 218 | 222 | 332 | 418 | 363 | 345 | 350 | 286 | 270 | 265 |
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 | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 1:37PM0.61m | 2:03AM0.49m | 2:09PM0.65m | 2:36AM0.57m | 2:39PM0.67m | |||||||||||||||
Low Tide | 8:12PM0.09m | 7:53AM0.10m | 8:36PM0.05m | 8:29AM0.09m | 9:00PM0.02m | |||||||||||||||
 | |  | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | 6:24 | — | — | — | — | — | — | — | 6:23 | — | — | — | — | — | — | — | 6:23 | — | — |
mm | 3 | 2 | 3 | 3 | 3 | 3 | 2 | 2 | 3 | 3 | 4 | 3 | 4 | 4 | 3 | 2 | 1 | 1 | 1 | 2 |
Temp °C | 27 | 27 | 27 | 27 | 26 | 26 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 26 |
Feels °C | 28 | 29 | 30 | 30 | 28 | 28 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | S 19 | SSE 11 | S 18 | S 18 | S 18 | W 8 | S 12 | SSE 10 | SSW 16 | W 8 | WNW 8 | WNW 9 | S 11 | S 11 | SSE 11 | W 8 | SSE 11 | SSE 11 | SSE 10 | SSE 10 |
| kJ | 1225 | 303 | 885 | 1051 | 871 | 253 | 280 | 218 | 547 | 124 | 196 | 222 | 332 | 418 | 363 | 235 | 350 | 286 | 270 | 265 |
Swell 2 Height (m) Direction Period (s) | S 11 | S 18 | S 12 | SSE 11 | SSE 11 | S 17 | S 16 | WNW 9 | SSE 10 | S 16 | SSE 12 | SSE 10 | SSW 15 | W 8 | W 8 | S 11 | SSW 15 | SSW 15 | SSW 15 | SW 17 |
| kJ | 351 | 777 | 304 | 183 | 214 | 454 | 417 | 138 | 214 | 516 | 218 | 146 | 191 | 205 | 173 | 345 | 188 | 146 | 142 | 76 |
Swell 3 Height (m) Direction Period (s) | SSW 13 | SSW 12 | SSE 11 | S 11 | S 11 | S 12 | SSE 10 | S 12 | W 9 | SSE 11 | S 15 | S 11 | S 14 | SSW 15 | SSW 15 | SSW 15 | SSE 6 | S 19 | S 19 | S 13 |
| kJ | 212 | 205 | 217 | 199 | 157 | 210 | 170 | 224 | 110 | 176 | 208 | 110 | 100 | 142 | 142 | 142 | 6 | 64 | 64 | 31 |
Wind waves Height (m) Direction Period (s) | W 10 | W 10 | W 6 | W 6 | W 6 | — | W 7 | W 7 | W 7 | WSW 6 | SW 6 | SW 6 | W 8 | SSW 5 | SSW 5 | — | W 8 | W 8 | W 8 | W 8 |
| kJ | 273 | 319 | 78 | 71 | 156 | — | 179 | 152 | 184 | 131 | 47 | 44 | 241 | 24 | 33 | — | 199 | 234 | 228 | 199 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 859 | 338 | 54 | 54 | 54 | 338 | 210 | 650 | 885 | 343 | 859 | 343 | 768 | 428 | 210 | 210 | 210 | 859 | 209 | 210 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||
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