Surf Forecasts:
How big are the waves at Rivermouth (Hikkaduwa) today (21 Oct):
- Morning surf: Morning surf (21 Oct, local time) - 4ft (1.2m), 13s period with S swell.
- Afternoon surf: Afternoon surf (21 Oct, local time) - 3.5ft (1.1m), 13s period with S swell.
- Evening surf: Evening surf (21 Oct, local time) - 3.5ft (1.1m), 12s period with S swell.
The current surf forecast for Rivermouth (Hikkaduwa) at 4PM is: 1.1m 13s primary swell from a South direction and 0.6m 20s secondary swell from a South-southwest direction, 1.0m 5s secondary swell from a West direction (forecast issued at 10:30am October 21). The wind direction is predicted to be cross-onshore.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Oct) | 4ft (1.2m) | 13s |
| Afternoon (21 Oct) | 3.5ft (1.1m) | 13s |
| Evening (21 Oct) | 3.5ft (1.1m) | 12s |
Table - waves today at Rivermouth (Hikkaduwa). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 176mm), heaviest during Thu night. Warm (max 28°C on Wed morning, min 25°C on Wed night). Winds increasing (light winds from the W on Thu morning, fresh winds from the W by Fri morning). | ||||||||||||||||||||||
Wednesday 21 | Thursday 22 | Friday 23 | ||||||||||||||||||||
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) | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | SSW 18 | S 12 | S 18 | SSW 16 | SSW 16 | SSW 16 | SSW 21 | SSW 21 | SSW 20 | SSW 20 | WSW 8 | WSW 9 | SSW 18 | SSW 18 | SSW 17 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 498 | 498 | 414 | 408 | 368 | 290 | 280 | 443 | 246 | 160 | 232 | 295 | 291 | 476 | 594 | 846 | 969 | 1117 | 1368 | 1317 | 1245 | 1217 |
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 | 11:29AM0.45m | 00:22AM0.48m | 12:07PM0.50m | 00:41AM0.56m | 12:37PM0.53m | |||||||||||||||||
Low Tide | 6:00PM0.19m | 6:15AM0.23m | 6:18PM0.14m | 6:45AM0.18m | 6:39PM0.10m | |||||||||||||||||
 | | | |  |  | | | | | | | | | | | | |  | | | | |
 | 5:54 | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — |
 | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — |
mm | 5 | 1 | 3 | 4 | 6 | 5 | 3 | 4 | 3 | 4 | 2 | 3 | 5 | 37 | 7 | 5 | 13 | 33 | 10 | 13 | 4 | 2 |
Temp °C | 28 | 28 | 27 | 27 | 26 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 25 | 25 | 26 | 26 | 25 | 25 | 25 | 26 | 26 |
Feels °C | 31 | 30 | 28 | 29 | 28 | 28 | 28 | 29 | 29 | 30 | 29 | 29 | 28 | 25 | 27 | 27 | 26 | 24 | 25 | 25 | 29 | 30 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | W 9 | SSW 12 | S 11 | S 10 | S 11 | SSW 21 | SSW 20 | SSW 20 | SSW 19 | SSW 18 | SSW 18 | SSW 18 | SSW 8 |
| kJ | 498 | 498 | 414 | 408 | 368 | 290 | 280 | 228 | 224 | 79 | 183 | 160 | 130 | 146 | 594 | 846 | 969 | 1117 | 1195 | 1317 | 1245 | 339 |
Swell 2 Height (m) Direction Period (s) | SSW 21 | SSW 21 | SSW 20 | SSW 19 | SSW 19 | W 5 | SSW 18 | SSW 18 | SSW 18 | SSW 12 | SSW 16 | SSW 16 | SSW 16 | SSW 21 | S 9 | S 10 | SSW 15 | SSW 14 | SW 14 | — | SW 13 | W 8 |
| kJ | 260 | 178 | 218 | 295 | 295 | 21 | 249 | 443 | 246 | 147 | 232 | 295 | 291 | 476 | 80 | 131 | 188 | 140 | 53 | — | 28 | 273 |
Swell 3 Height (m) Direction Period (s) | SW 18 | SW 18 | W 11 | W 11 | W 11 | SSW 19 | W 5 | W 5 | W 9 | S 18 | W 9 | W 9 | SSW 22 | S 16 | SW 15 | SW 14 | S 11 | SSW 15 | SSW 15 | — | S 10 | SSW 17 |
| kJ | 12 | 49 | 10 | 21 | 20 | 212 | 15 | 15 | 41 | 160 | 78 | 78 | 270 | 132 | 75 | 74 | 21 | 167 | 42 | — | 231 | 1217 |
Wind waves Height (m) Direction Period (s) | W 4 | W 4 | W 5 | W 5 | W 5 | — | — | — | — | — | W 4 | WSW 5 | WSW 9 | WSW 6 | W 6 | WSW 8 | WSW 8 | WSW 8 | WSW 9 | WSW 8 | WSW 8 | — |
| kJ | 10 | 16 | 34 | 47 | 37 | — | — | — | — | — | 9 | 7 | 129 | 148 | 247 | 494 | 878 | 1072 | 1368 | 1252 | 857 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 19 | 209 | 210 | 210 | 204 | 19 | 209 | 19 | 19 | 19 | 19 | 19 | 54 | 204 | 170 | 170 | 209 | 210 | 170 | 210 | 210 | 19 |
Best forecast wave conditions in West Sri Lanka | ||||||||||||||||||||||
Best forecast wave conditions in Sri Lanka | ||||||||||||||||||||||
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