Surf Forecasts:
How big are the waves at Rivermouth (Hikkaduwa) today (19 Aug):
- Morning surf: Morning surf (19 Aug, local time) - 7.5ft (2.3m), 17s period with SSW swell.
- Afternoon surf: Afternoon surf (19 Aug, local time) - 6.5ft (2.0m), 16s period with SSW swell.
- Evening surf: Evening surf (19 Aug, local time) - 7ft (2.1m), 17s period with SSW swell.
The current surf forecast for Rivermouth (Hikkaduwa) at 6AM is: 2.3m 18s primary swell from a South-southwest direction and 0.5m 9s secondary swell from a South-southeast direction, 1.3m 9s secondary swell from a West direction (forecast issued at 10:30pm August 18). The wind direction is predicted to be cross-onshore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Aug) | 7.5ft (2.3m) | 17s |
| Afternoon (19 Aug) | 6.5ft (2.0m) | 16s |
| Evening (19 Aug) | 7ft (2.1m) | 17s |
Table - waves today at Rivermouth (Hikkaduwa). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 27mm), heaviest during Wed night. Warm (max 28°C on Wed morning, min 26°C on Tue night). Wind will be generally light. | ||||||||||||||||||
Tue 18 | Wednesday 19 | Thursday 20 | ||||||||||||||||
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 18 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 |
Wave Graph  | ||||||||||||||||||
 kJ | 3443 | 3432 | 3393 | 3393 | 3561 | 2408 | 2021 | 1896 | 2164 | 3377 | 2980 | 2455 | 2216 | 1968 | 2281 | 2054 | 1795 | 1540 |
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 |
High Tide | 5:31AM0.56m | 5:05PM0.47m | 6:00AM0.50m | 5:13PM0.40m | ||||||||||||||
Low Tide | 10:55PM0.06m | 11:23AM0.20m | 11:16PM0.10m | 11:52AM0.24m | ||||||||||||||
 | |  | |  | | | | | | | | | | | | | | |
 | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:21 | — | — |
mm | — | — | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 2 |
Temp °C | 27 | 27 | 26 | 26 | 27 | 28 | 28 | 27 | 27 | 26 | 26 | 26 | 27 | 28 | 28 | 27 | 27 | 26 |
Feels °C | 30 | 30 | 28 | 27 | 29 | 29 | 29 | 28 | 29 | 27 | 28 | 27 | 28 | 29 | 29 | 29 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 |
| kJ | 3443 | 3432 | 3393 | 3393 | 3561 | 2408 | 2021 | 1896 | 2164 | 3377 | 2980 | 2455 | 2216 | 1968 | 2281 | 2054 | 1795 | 1540 |
Swell 2 Height (m) Direction Period (s) | W 9 | SSE 9 | SSE 9 | SSE 9 | WSW 9 | S 19 | S 18 | S 18 | S 17 | W 8 | W 8 | S 12 | S 12 | S 12 | W 9 | W 10 | W 10 | W 10 |
| kJ | 295 | 49 | 48 | 48 | 140 | 913 | 1328 | 1455 | 1344 | 51 | 52 | 228 | 224 | 224 | 61 | 67 | 71 | 73 |
Swell 3 Height (m) Direction Period (s) | SSE 10 | S 9 | S 21 | — | SSE 9 | SSE 9 | SSE 9 | — | — | — | — | W 9 | W 9 | W 9 | — | — | — | — |
| kJ | 71 | 43 | 323 | — | 47 | 31 | 45 | — | — | — | — | 60 | 64 | 61 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | W 9 | W 9 | W 9 | WNW 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 6 |
| kJ | — | 244 | 239 | 268 | 56 | 115 | 124 | 108 | 101 | 88 | 106 | 110 | 129 | 112 | 112 | 108 | 108 | 92 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 739 | 210 | 210 | 210 | 210 | 209 | 751 | 210 | 210 | 210 | 210 | 210 | 210 | 204 | 650 | 209 | 204 | 210 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||
Header Global | ||||||||||||||||||
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