Surf Forecasts:
How big are the waves at Rivermouth (Hikkaduwa) today (20 Jul):
- Morning surf: Morning surf (20 Jul, local time) - 3.5ft (1.0m), 18s period with S swell.
- Afternoon surf: Afternoon surf (20 Jul, local time) - 4ft (1.2m), 17s period with S swell.
- Evening surf: Evening surf (20 Jul, local time) - 4.5ft (1.4m), 16s period with SSW swell.
The current surf forecast for Rivermouth (Hikkaduwa) at 12AM is: 0.9m 13s primary swell from a South-southwest direction and 0.9m 10s secondary swell from a West-northwest direction, 1.1m 6s secondary swell from a West-southwest direction (forecast issued at 04:30pm July 19). The wind direction is predicted to be cross-onshore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Jul) | 3.5ft (1.0m) | 18s |
| Afternoon (20 Jul) | 4ft (1.2m) | 17s |
| Evening (20 Jul) | 4.5ft (1.4m) | 16s |
Table - waves today at Rivermouth (Hikkaduwa). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 30mm), heaviest during Sun night. Warm (max 28°C on Sun afternoon, min 26°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Sun 19 | Monday 20 | Tuesday 21 | ||||||||||||||||||
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 13 | SSW 13 | SSW 14 | SSW 13 | SSW 13 | S 19 | S 18 | S 18 | S 17 | S 16 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 | S 14 | SSW 14 | S 14 | SSW 14 |
Wave Graph  | ||||||||||||||||||||
 kJ | 238 | 285 | 356 | 280 | 303 | 587 | 627 | 899 | 879 | 1564 | 1189 | 868 | 858 | 1241 | 1132 | 957 | 944 | 834 | 802 | 588 |
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 | 4:57PM0.59m | 5:50AM0.57m | 5:25PM0.53m | 6:30AM0.53m | 5:53PM0.47m | |||||||||||||||
Low Tide | 11:17PM0.07m | 11:33AM0.22m | 11:45PM0.10m | 12:12PM0.26m | ||||||||||||||||
 | |  | | | | | | | |  | | | | | |  |  |  | | |
 | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — |
mm | 2 | 2 | 2 | 2 | 3 | 3 | 2 | 2 | 2 | 1 | — | 1 | 2 | 3 | 2 | 1 | — | — | — | — |
Temp °C | 28 | 27 | 27 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 27 | 28 | 28 | 28 | 27 | 27 |
Feels °C | 29 | 29 | 29 | 28 | 27 | 27 | 28 | 27 | 28 | 29 | 29 | 29 | 27 | 28 | 29 | 29 | 29 | 30 | 30 | 29 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 14 | SSW 13 | SSW 13 | S 19 | S 18 | S 13 | S 13 | S 16 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 | S 14 | SSW 14 | S 14 | SSW 14 |
| kJ | 238 | 285 | 356 | 280 | 303 | 587 | 627 | 555 | 546 | 1564 | 1189 | 868 | 858 | 1241 | 1132 | 957 | 944 | 834 | 802 | 588 |
Swell 2 Height (m) Direction Period (s) | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | SSW 13 | S 18 | S 17 | W 10 | S 9 | S 10 | S 12 | W 10 | W 9 | W 9 | W 9 | SE 8 | W 9 | W 9 |
| kJ | 128 | 128 | 128 | 160 | 157 | 157 | 298 | 899 | 879 | 154 | 106 | 120 | 333 | 117 | 110 | 108 | 2 | 9 | 2 | 78 |
Swell 3 Height (m) Direction Period (s) | SSE 8 | SSE 8 | S 8 | SSE 8 | S 8 | SSW 13 | WNW 10 | W 9 | W 10 | SSW 13 | ESE 9 | SSW 12 | ESE 8 | W 10 | W 10 | W 9 | W 9 | W 9 | SE 8 | S 8 |
| kJ | 53 | 51 | 82 | 37 | 84 | 238 | 157 | 87 | 88 | 125 | 8 | 125 | 6 | 2 | 2 | 2 | 2 | 2 | 17 | 71 |
Wind waves Height (m) Direction Period (s) | W 6 | W 6 | W 6 | WSW 6 | W 5 | W 5 | W 5 | W 10 | W 10 | W 5 | W 10 | W 10 | W 10 | W 6 | W 6 | W 6 | W 9 | W 9 | W 9 | W 6 |
| kJ | 92 | 89 | 64 | 77 | 55 | 53 | 64 | 326 | 332 | 58 | 320 | 320 | 320 | 59 | 77 | 69 | 281 | 240 | 235 | 50 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 739 | 739 | 739 | 739 | 210 | 210 | 210 | 209 | 739 | 209 | 204 | 204 | 209 | 54 | 210 | 209 | 739 | 739 | 34 | 54 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||
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