Surf Forecasts:
How big are the waves at Rivermouth (Hikkaduwa) today (31 Aug):
- Morning surf: Morning surf (31 Aug, local time) - 7.5ft (2.3m), 18s period with SSW swell.
- Afternoon surf: Afternoon surf (31 Aug, local time) - 7.5ft (2.3m), 17s period with SSW swell.
- Evening surf: Evening surf (31 Aug, local time) - 8ft (2.4m), 17s period with SSW swell.
The current surf forecast for Rivermouth (Hikkaduwa) at 2PM is: 2.3m 17s primary swell from a South-southwest direction and 0.2m 13s secondary swell from a South direction, 1.4m 6s secondary swell from a West direction (forecast issued at 10:30am August 31). The wind direction is predicted to be cross-onshore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Aug) | 7.5ft (2.3m) | 18s |
| Afternoon (31 Aug) | 7.5ft (2.3m) | 17s |
| Evening (31 Aug) | 8ft (2.4m) | 17s |
Table - waves today at Rivermouth (Hikkaduwa). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 21mm), heaviest during Tue night. Warm (max 28°C on Mon morning, min 26°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||
Monday 31 | Tuesday 1 | Wednesday 2 | ||||||||||||||||||||
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 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 3323 | 3286 | 3212 | 3030 | 2923 | 2815 | 2748 | 2573 | 2155 | 2128 | 1857 | 1671 | 1650 | 1415 | 1379 | 1225 | 1139 | 1095 | 1067 | 1145 | 1114 | 1223 |
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 | cross-on | cross-on |
High Tide | 3:41PM0.63m | 4:12AM0.68m | 4:04PM0.58m | 4:40AM0.65m | 4:26PM0.53m | |||||||||||||||||
Low Tide | 9:47AM0.07m | 9:49PM-0.01m | 10:15AM0.10m | 10:12PM0.01m | 10:45AM0.14m | 10:34PM0.04m | ||||||||||||||||
 | |  | |  | |  | | | | | | | | | | | | | | | | |
 | 6:01 | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — |
mm | 1 | 1 | — | — | — | — | 1 | 1 | 1 | 1 | — | 1 | 1 | 1 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 |
Temp °C | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 26 | 27 | 28 | 28 | 27 | 27 | 27 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 26 |
Feels °C | 28 | 29 | 28 | 28 | 30 | 29 | 29 | 28 | 28 | 29 | 29 | 28 | 29 | 30 | 28 | 27 | 29 | 28 | 28 | 29 | 30 | 28 |
Swell 1 Height (m) Direction Period (s) | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 |
| kJ | 3323 | 3286 | 3212 | 3030 | 2923 | 2815 | 2748 | 2573 | 2155 | 2128 | 1857 | 1671 | 1650 | 1415 | 1379 | 1225 | 1139 | 1095 | 1067 | 1145 | 1114 | 1223 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 13 | S 13 | S 11 | W 6 | SSE 9 | SSE 9 | — | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SE 9 | SSE 9 | SSE 8 | SSE 10 | SSE 9 | SE 9 | SE 9 | SSE 9 | W 9 |
| kJ | 174 | 14 | 14 | 121 | 98 | 68 | 62 | — | 65 | 47 | 47 | 47 | 48 | 39 | 49 | 57 | 61 | 55 | 39 | 40 | 53 | 38 |
Swell 3 Height (m) Direction Period (s) | S 13 | — | — | — | S 11 | S 11 | WNW 9 | — | — | — | S 10 | S 10 | SE 10 | S 10 | SE 9 | SE 8 | WNW 10 | WNW 10 | WNW 10 | W 10 | W 10 | SE 9 |
| kJ | 14 | — | — | — | 121 | 125 | 17 | — | — | — | 30 | 30 | 24 | 19 | 20 | 34 | 21 | 35 | 33 | 47 | 46 | 39 |
Wind waves Height (m) Direction Period (s) | W 6 | W 6 | W 6 | WNW 6 | W 6 | W 6 | W 6 | W 7 | WNW 7 | W 7 | W 7 | W 7 | W 7 | W 6 | W 6 | W 7 | W 7 | W 7 | W 6 | W 6 | W 6 | W 6 |
| kJ | 116 | 130 | 156 | 165 | 143 | 139 | 143 | 187 | 197 | 187 | 181 | 176 | 168 | 158 | 157 | 173 | 178 | 199 | 153 | 151 | 130 | 92 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 209 | 209 | 723 | 210 | 209 | 209 | 210 | 338 | 210 | 209 | 859 | 859 | 343 | 210 | 210 | 338 | 210 | 650 | 741 | 741 | 741 | 19 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||||
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