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Waiaha Rivermouth / Honls Surf Forecast
/ HAW – Big Island (60 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Waiaha Rivermouth / Honls surfForecast / HAW – Big Island / USA
48hr Weather and Surf, issued 1 am Monday 15 Sep 2025 HST
How big are the waves at Waiaha Rivermouth / Honls today?
The current surf forecast for Waiaha Rivermouth / Honls at 3AM is: 0.4m 13s primary swell from a Southwest direction and 0.4m 11s secondary swell from a South-southeast direction, 0.2m 2s secondary swell from a West-northwest direction (forecast issued at 01:00am September 15). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Sep) | 1.5ft (0.4m) | 13s |
| Afternoon (15 Sep) | 1.5ft (0.4m) | 14s |
| Evening (15 Sep) | 1ft (0.3m) | 15s |
Table - waves today at Waiaha Rivermouth / Honls. (Swell directed towards the surf break)
Monday 15 | Tuesday 16 | Wednesday 17 | ||||||||||||||||||||||
| 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) (?) | 11 | 13 | 13 | 13 | 13 | 13 | 14 | 15 | 12 | 14 | 12 | 12 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 16 | 12 | 15 | 15 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
| Energy (?) | 107 | 108 | 108 | 96 | 101 | 103 | 106 | 95 | 60 | 78 | 93 | 99 | 105 | 95 | 110 | 106 | 106 | 99 | 88 | 114 | 88 | 123 | 121 | 85 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | glass | glass | cross- on | cross- on | on | on | on | glass | glass | glass | cross- on | on | on | on | cross- on | cross | glass | cross- on | on | cross- on | cross- on | glass |
High Tide / height (m) | 10:06PM 0.21 | 11:21AM 0.70 | 11:47PM 0.24 | 12:20PM 0.71 | 12:50AM 0.29 | 1:08PM 0.71 | ||||||||||||||||||
Low Tide / height (m) | 3:12AM 0.11 | 7:12PM 0.13 | 4:40AM 0.11 | 7:48PM 0.11 | 5:54AM 0.10 | |||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:11 | - | - | - | - | - | - | - | 6:11 | - | - | - | - | - | - | - | 6:11 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:25 | - | - | - | - | - | - | - | 6:24 | - | - | - | - | - | - | - | 6:23 | - |
 |  | |  | |  | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 26 | 25 | 25 | 25 | 27 | 26 | 26 | 26 | 26 | 25 | 25 | 26 | 27 | 27 | 27 | 26 | 26 | 25 | 25 | 26 | 27 | 26 | 26 | 26 |
| Feels °C (?) | 28 | 27 | 29 | 28 | 29 | 28 | 28 | 29 | 29 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 27 | 28 | 29 | 29 | 28 | 29 | 30 |
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Live Wave Height (m)
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Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for HAW - Big Island
Continuing clean conditions at Waiaha Rivermouth / Honls (calm at Kailua Kona 4 km from Waiaha Rivermouth / Honls). 0.7m 10s swell from the S with a 0.4m 14s groundswell from the SSW and a 0.4m 2s local chop from the NW as well as a 0.3m 9s swell from the WNW. 4 swells combining to make bigger set waves.
Actual: 59 min ago
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