Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Rivermouth (Hikkaduwa) surfForecast / West / Sri Lanka
48hr Weather and Surf, issued 4 pm Monday 29 Dec 2025 +0530Forecast update in hr min s Forecast update imminent
Rivermouth (Hikkaduwa) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Rivermouth (Hikkaduwa) sea temperature is
27.7° C
(Which is normal for this time of year)How big are the waves at Rivermouth (Hikkaduwa) today?
The current surf forecast for Rivermouth (Hikkaduwa) at 12AM is: 0.8m 10s primary swell from a South-southeast direction and 0.6m 6s secondary swell from a Northwest direction (forecast issued at 04:30pm December 29). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (+0530) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Dec) | 2.5ft (0.7m) | 10s |
| Afternoon (30 Dec) | 2.5ft (0.7m) | 10s |
| Evening (30 Dec) | 2.5ft (0.7m) | 10s |
Table - waves today at Rivermouth (Hikkaduwa). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 29 | Tuesday 30 | Wednesday 31 | Thursday 01 | |||||||||||||||||||||
| 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 | 2 AM | 5 AM | 8 AM | 11 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 10 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 149 | 146 | 141 | 133 | 130 | 114 | 86 | 85 | 85 | 83 | 80 | 80 | 100 | 55 | 65 | 107 | 131 | 131 | 131 | 131 | 131 | 133 | 133 | 81 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | glass | glass | glass | glass | cross- off | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide / height (m) | 10:03PM 0.52 | 9:31AM 0.34 | 11:26PM 0.55 | 11:28AM 0.34 | 12:26AM 0.59 | |||||||||||||||||||
Low Tide / height (m) | 2:18PM 0.19 | 5:22AM 0.29 | 3:48PM 0.18 | 6:39AM 0.23 | 5:15PM 0.16 | 7:24AM 0.17 | ||||||||||||||||||
Monday 29 | Tuesday 30 | Wednesday 31 | Thursday 01 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 6:18 | - | - | - | - | - | - | - | 6:18 | - | - | - | - | - | - | - | 6:18 | - |
| Sunset | - | 6:04 | - | - | - | - | - | - | - | 6:04 | - | - | - | - | - | - | - | 6:05 | - | - | - | - | - | - |
 | |  | | | |  | | | |  | | |  | | | | |  | | | |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 27 | 27 | 26 | 26 | 25 | 25 | 25 | 27 | 26 | 27 | 26 | 25 | 25 | 25 | 26 | 28 | 27 | 27 | 26 | 26 | 25 | 26 | 26 | 27 |
| Feels °C (?) | 29 | 30 | 30 | 31 | 29 | 30 | 28 | 30 | 27 | 28 | 28 | 27 | 28 | 28 | 28 | 28 | 26 | 27 | 27 | 28 | 26 | 27 | 27 | 28 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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