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Surf Forecasts:
Waiaha Rivermouth / Honls surfForecast / HAW – Big Island / USA
48hr Weather and Surf, issued 1 am Friday 12 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
26.1° C
(Which is slightly warmer than usual)How big are the waves at Waiaha Rivermouth / Honls today?
The current surf forecast for Waiaha Rivermouth / Honls at 6AM is: 0.4m 13s primary swell from a South-southwest direction and 0.6m 9s secondary swell from a West-northwest direction (forecast issued at 01:00am December 12). The wind direction is predicted to be glassy.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | 2ft (0.6m) | 12s |
| Afternoon (12 Dec) | 2ft (0.6m) | 11s |
| Evening (12 Dec) | 1.5ft (0.5m) | 11s |
Table - waves today at Waiaha Rivermouth / Honls. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | ||||||||||||||||||||||
| 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) (?) | 10 | 13 | 9 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 12 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 14 | 16 | 16 | 15 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 69 | 59 | 59 | 110 | 108 | 85 | 82 | 79 | 58 | 57 | 51 | 51 | 50 | 48 | 44 | 42 | 43 | 42 | 42 | 38 | 41 | 63 | 107 | 106 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | on | glass | glass | on | cross- on | cross- on | cross- on | cross | cross- on | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on | cross- off |
High Tide / height (m) | 11:00PM 0.36 | 9:37AM 0.45 | 11:56PM 0.45 | 10:27AM 0.38 | 12:41AM 0.52 | 11:20AM 0.32 | ||||||||||||||||||
Low Tide / height (m) | 3:53AM 0.25 | 4:50PM 0.02 | 5:38AM 0.25 | 5:22PM 0.01 | 7:05AM 0.22 | 5:52PM 0.00 | ||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:48 | - | - | - | - | - | - | - | 6:48 | - | - | - | - | - | - | - | 6:48 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 5:45 | - | - | - | - | - | - | - | 5:46 | - | - | - | - | - | - | - | 5:46 | - |
 | | |  | | | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 24 | 23 | 23 | 23 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 25 | 27 | 26 | 25 | 24 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 25 |
| Feels °C (?) | 27 | 24 | 25 | 25 | 26 | 27 | 26 | 26 | 24 | 23 | 23 | 24 | 27 | 26 | 25 | 25 | 26 | 26 | 26 | 27 | 27 | 28 | 28 | 28 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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