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:
Waiaha Rivermouth / Honls surfForecast / HAW – Big Island / USA
48hr Weather and Surf, issued 1 am Saturday 20 Dec 2025 HSTForecast update in hr min s Forecast update imminent
Waiaha Rivermouth / Honls surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Waiaha Rivermouth / Honls sea temperature is
26.2° C
(Which is 1.1°C warmer than normal for this time of year)Nearby Cam: 9km away, Kohanaiki Web Camera
How big are the waves at Waiaha Rivermouth / Honls today?
The current surf forecast for Waiaha Rivermouth / Honls at 8AM is: 0.2m 16s primary swell from a West-northwest direction and 0.3m 8s secondary swell from a West-northwest direction, 0.3m 5s secondary swell from a South direction (forecast issued at 01:00am December 20). The wind direction is predicted to be glassy.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Dec) | 0.5ft (0.2m) | 16s |
| Afternoon (20 Dec) | 0.5ft (0.2m) | 14s |
| Evening (20 Dec) | 1.5ft (0.4m) | 14s |
Table - waves today at Waiaha Rivermouth / Honls. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 20 | Sunday 21 | Monday 22 | ||||||||||||||||||||||
| 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 | 13 | 16 | 16 | 14 | 16 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 18 | 18 | 14 | 13 | 17 | 16 | 16 | 16 | 16 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 28 | 26 | 17 | 24 | 21 | 19 | 46 | 54 | 53 | 48 | 45 | 44 | 44 | 44 | 50 | 49 | 33 | 32 | 46 | 42 | 67 | 66 | 66 | 65 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | glass | glass | cross | cross- off | cross- off | cross- off | cross- on | cross- on | glass | cross | cross | cross | glass | cross- on | cross- on | glass | glass | cross- on | cross- on | cross- on | glass | glass |
High Tide / height (m) | 4:11AM 0.73 | 3:53PM 0.19 | 4:45AM 0.73 | 4:35PM 0.19 | 5:20AM 0.72 | 5:24PM 0.19 | ||||||||||||||||||
Low Tide / height (m) | 8:32PM -0.02 | 11:44AM 0.08 | 9:05PM -0.01 | 12:21PM 0.07 | 9:40PM 0.01 | 12:57PM 0.06 | ||||||||||||||||||
Saturday 20 | Sunday 21 | Monday 22 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:54 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 5:49 | - | - | - | - | - | - | - | 5:50 | - | - | - | - | - | - | - | 5:50 | - |
 | | |  | |  | |  | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 25 | 25 | 24 | 24 | 26 | 26 | 26 | 25 | 25 | 24 | 24 | 25 | 26 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 26 | 25 | 25 | 25 |
| Feels °C (?) | 29 | 29 | 28 | 27 | 28 | 28 | 29 | 28 | 28 | 27 | 28 | 28 | 28 | 27 | 28 | 27 | 27 | 27 | 28 | 26 | 28 | 27 | 28 | 29 |
- 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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