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:
Waimea Rivermouth surfForecast / HAW – Kaua'i / USA
48hr Weather and Surf, issued 1 am Wednesday 31 Dec 2025 HSTForecast update in hr min s Forecast update imminent
Waimea Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Waimea Rivermouth sea temperature is
25.3° C
(Which is slightly warmer than usual)How big are the waves at Waimea Rivermouth today?
The current surf forecast for Waimea Rivermouth at 3PM is: 0.6m 11s primary swell from a Southeast direction (forecast issued at 01:00am December 31). An open ocean swell of 1.8m 14s is not directed at the surf break, a second open ocean swell of 1.3m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Dec) | 4ft (1.2m) | 8s |
| Afternoon (31 Dec) | 2ft (0.6m) | 11s |
| Evening (31 Dec) | 1.5ft (0.5m) | 11s |
Table - waves today at Waimea Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 31 | Thursday 01 | Friday 02 | ||||||||||||||||||||||
| 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 | 2 PM | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 8 | 8 | 8 | 11 | 11 | 11 | 8 | 8 | 8 | 16 | 9 | 8 | 8 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 25 | 182 | 182 | 182 | 35 | 56 | 72 | 72 | 157 | 136 | 140 | 64 | 146 | 207 | 239 | 12 | 12 | 212 | 196 | 233 | 321 | 331 | 377 | 419 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 2:05AM 0.59 | 12:28PM 0.15 | 2:49AM 0.64 | 1:44PM 0.14 | 3:32AM 0.66 | 2:42PM 0.14 | ||||||||||||||||||
Low Tide / height (m) | 9:49AM 0.14 | 6:59PM -0.11 | 10:30AM 0.10 | 7:47PM -0.13 | 11:08AM 0.08 | |||||||||||||||||||
Wednesday 31 | Thursday 01 | Friday 02 | ||||||||||||||||||||||
| Sunrise | - | - | - | 7:16 | - | - | - | - | - | - | - | 7:16 | - | - | - | - | - | - | - | 7:16 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:06 | - | - | - | - | - | - | - | 6:06 | - | - | - | - | - | - | - | 6:07 | - |
 | |  |  | | | | | | | | | |  |  | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - |
| Temp. °C | 23 | 23 | 22 | 22 | 25 | 25 | 24 | 23 | 22 | 22 | 22 | 23 | 24 | 24 | 23 | 23 | 22 | 22 | 22 | 22 | 24 | 24 | 23 | 22 |
| Feels °C (?) | 24 | 23 | 22 | 22 | 25 | 25 | 24 | 23 | 22 | 21 | 22 | 23 | 24 | 24 | 22 | 22 | 21 | 21 | 21 | 21 | 23 | 23 | 22 | 21 |
- 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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