Surf Forecasts:
How big are the waves at Rivermouth (Hikkaduwa) today (17 Aug):
- Morning surf: Morning surf (17 Aug, local time) - 4.5ft (1.4m), 9s period with W swell.
- Afternoon surf: Afternoon surf (17 Aug, local time) - 3ft (0.9m), 22s period with SSW swell.
- Evening surf: Evening surf (17 Aug, local time) - 4.5ft (1.4m), 21s period with SSW swell.
The current surf forecast for Rivermouth (Hikkaduwa) at 8AM is: 1.4m 9s primary swell from a West direction and 0.9m 10s secondary swell from a South-southeast direction, 0.4m 13s secondary swell from a Southwest direction (forecast issued at 04:30am August 17). The wind direction is predicted to be cross-onshore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Aug) | 4.5ft (1.4m) | 9s |
| Afternoon (17 Aug) | 3ft (0.9m) | 22s |
| Evening (17 Aug) | 4.5ft (1.4m) | 21s |
Table - waves today at Rivermouth (Hikkaduwa). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 45mm), heaviest during Mon night. Warm (max 28°C on Mon morning, min 26°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 17 | Tuesday 18 | Wednesday 19 | ||||||||||||||||||||||
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) | W 10 | W 10 | W 9 | SSW 22 | SSW 22 | SSW 22 | SSW 21 | SSW 21 | SSW 21 | SSW 19 | SSW 19 | SSW 19 | SSW 19 | SSW 19 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 17 | SSW 17 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 377 | 361 | 347 | 415 | 745 | 896 | 1710 | 1929 | 2757 | 2753 | 3688 | 3650 | 3575 | 3463 | 3443 | 3432 | 3393 | 3393 | 3561 | 2408 | 1943 | 1896 | 2164 | 3307 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | 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 | cross-on |
High Tide | 4:36AM0.65m | 4:24PM0.59m | 5:04AM0.61m | 4:47PM0.53m | 5:31AM0.56m | 5:05PM0.47m | ||||||||||||||||||
Low Tide | 10:29AM0.14m | 10:33PM0.03m | 10:56AM0.16m | 10:55PM0.06m | 11:23AM0.20m | 11:16PM0.10m | ||||||||||||||||||
 |  |  | | | | | |  | | |  |  | | | | | | | | | | | | |
 | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — |
mm | — | 1 | 1 | 1 | 2 | 5 | 5 | 2 | 6 | 7 | 4 | — | — | — | 1 | 1 | 1 | 1 | 1 | 1 | — | 1 | 1 | 1 |
Temp °C | 27 | 27 | 27 | 28 | 27 | 27 | 27 | 27 | 26 | 26 | 27 | 28 | 28 | 27 | 27 | 27 | 26 | 26 | 27 | 28 | 28 | 27 | 27 | 27 |
Feels °C | 29 | 29 | 28 | 29 | 28 | 28 | 29 | 29 | 27 | 27 | 29 | 29 | 29 | 28 | 30 | 30 | 27 | 27 | 28 | 29 | 28 | 28 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | SSE 11 | SSE 10 | SSE 10 | SSE 10 | SSW 22 | SSW 22 | SSW 21 | SSW 21 | SSW 21 | SSW 19 | SSW 19 | SSW 19 | SSW 19 | SSW 19 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 17 | SSW 17 |
| kJ | 198 | 195 | 191 | 152 | 745 | 896 | 1710 | 1929 | 2757 | 2753 | 3688 | 3650 | 3575 | 3463 | 3443 | 3432 | 3393 | 3393 | 3561 | 2408 | 1943 | 1896 | 2164 | 3307 |
Swell 2 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | SSW 22 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | W 9 | W 9 | S 19 | S 19 | S 18 | S 18 | S 17 | W 8 |
| kJ | 87 | 87 | 44 | 415 | 149 | 146 | 167 | 111 | 111 | 111 | 85 | 85 | 74 | 72 | 51 | 50 | 81 | 78 | 882 | 913 | 1148 | 1455 | 1344 | 52 |
Swell 3 Height (m) Direction Period (s) | SW 24 | SSW 17 | SW 16 | SW 13 | SW 13 | SW 13 | W 9 | SSW 14 | SSW 14 | SSW 15 | — | SW 12 | SSW 13 | — | S 10 | S 10 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | — | W 9 | — |
| kJ | 87 | 57 | 68 | 44 | 85 | 85 | 85 | 138 | 140 | 188 | — | 37 | 114 | — | 44 | 46 | 49 | 48 | 55 | 31 | 31 | — | 52 | — |
Wind waves Height (m) Direction Period (s) | W 10 | W 10 | W 9 | WSW 9 | WSW 10 | W 10 | W 10 | W 9 | W 9 | W 6 | W 6 | W 6 | W 7 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 |
| kJ | 377 | 361 | 347 | 355 | 363 | 361 | 349 | 397 | 375 | 181 | 226 | 213 | 198 | 186 | 175 | 148 | 106 | 102 | 139 | 134 | 154 | 164 | 123 | 124 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 210 | 859 | 210 | 209 | 859 | 859 | 210 | 210 | 210 | 210 | 204 | 204 | 739 | 209 | 210 | 210 | 210 | 210 | 210 | 207 | 723 | 209 | 204 | 209 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||||||
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