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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 pm Thursday 30 Apr 2026 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
25.8° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Waiaha Rivermouth / Honls today?
The current surf forecast for Waiaha Rivermouth / Honls at 5PM is: 0.4m 16s primary swell from a South direction and 0.3m 12s secondary swell from a South-southwest direction (forecast issued at 01:00pm April 30). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Apr) | 1ft (0.3m) | 16s |
| Afternoon (30 Apr) | 1.5ft (0.4m) | 16s |
| Evening (30 Apr) | 1ft (0.3m) | 16s |
Table - waves today at Waiaha Rivermouth / Honls. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 4mm), mostly falling on Thu afternoon. Warm (max 26°C on Sun morning, min 23°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 30 | Friday 1 | Saturday 2 | Sun 3 | |||||||||||||||||||||
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 | 11 PM | 2 AM | 5 AM | 8 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 16 | S 16 | S 16 | S 16 | SSW 15 | SSW 15 | S 15 | S 15 | S 15 | S 16 | SSW 16 | SSW 16 | S 16 | S 14 | S 15 | S 15 | S 14 | S 14 | NW 15 | SSW 15 | SSW 16 | SSW 16 | SSW 16 | S 13 | |
81 | 81 | 82 | 45 | 73 | 72 | 110 | 112 | 67 | 134 | 86 | 85 | 129 | 97 | 155 | 155 | 153 | 153 | 75 | 225 | 337 | 146 | 146 | 125 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross | on | cross-on | cross | cross-off | glassy | cross-on | on | cross-on | glassy | glassy | glassy | cross | glassy | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross | cross-off | glassy | |
High Tide | 3:28PM0.61m | 3:01AM0.28m | 4:01PM0.63m | 3:34AM0.24m | 4:36PM0.64m | 4:08AM0.21m | ||||||||||||||||||
Low Tide | 8:27AM-0.04m | 10:15PM0.09m | 8:50AM-0.04m | 11:02PM0.09m | 9:14AM-0.03m | 11:49PM0.09m | ||||||||||||||||||
 |  | |  | | | | | |  | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — |
 | — | — | 6:45 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | 6:46 |
— | 1 | 1 | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 25 | 25 | 25 | 24 | 24 | 24 | 23 | 24 | 25 | 24 | 25 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 25 |
26 | 26 | 27 | 25 | 26 | 26 | 25 | 26 | 26 | 26 | 28 | 26 | 27 | 26 | 27 | 26 | 27 | 26 | 27 | 28 | 27 | 26 | 26 | 28 | |
Swell 1 Height (m) Direction Period (s) | S 16 | S 16 | S 16 | S 16 | SSW 15 | SSW 15 | S 15 | S 15 | S 15 | S 16 | SSW 16 | SSW 16 | S 16 | S 14 | S 15 | S 15 | S 14 | S 14 | NW 15 | SSW 15 | SSW 16 | SSW 16 | S 13 | S 13 |
 kJ | 81 | 81 | 82 | 45 | 73 | 72 | 110 | 112 | 67 | 134 | 86 | 85 | 129 | 97 | 155 | 155 | 153 | 153 | 75 | 225 | 337 | 146 | 125 | 125 |
Swell 2 Height (m) Direction Period (s) | NW 11 | NW 11 | SSW 12 | SSW 12 | NW 11 | NW 11 | NW 11 | NW 11 | SSW 17 | NNW 11 | SSW 13 | SSW 13 | S 13 | SSW 16 | NW 16 | NW 16 | NW 15 | NW 15 | SSW 15 | NW 14 | NW 14 | S 13 | SSW 16 | SSW 16 |
| kJ | 19 | 19 | 28 | 28 | 19 | 30 | 30 | 30 | 57 | 12 | 35 | 59 | 55 | 51 | 67 | 66 | 59 | 76 | 73 | 73 | 65 | 87 | 146 | 84 |
Swell 3 Height (m) Direction Period (s) | SSW 12 | SSW 12 | NW 11 | NW 10 | SSW 12 | SSW 11 | SSW 11 | SSW 18 | NW 11 | SSW 11 | NNW 11 | SSW 11 | NW 11 | NW 17 | WNW 11 | SSW 18 | SSW 18 | SSW 18 | SSW 13 | — | W 10 | NW 13 | NW 13 | NW 13 |
| kJ | 14 | 14 | 18 | 17 | 13 | 12 | 12 | 31 | 18 | 12 | 12 | 12 | 19 | 44 | 11 | 62 | 61 | 61 | 54 | — | 2 | 62 | 61 | 61 |
Wind waves Height (m) Direction Period (s) | — | WSW 2 | NW 3 | — | — | — | — | — | S 9 | W 2 | W 3 | WNW 11 | — | S 11 | — | — | NW 10 | — | — | — | — | — | — | — |
| kJ | — | 1 | 2 | — | — | — | — | — | 6 | 1 | 1 | 24 | — | 20 | — | — | 17 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 132 | 132 | 6 | 6 | 7 | 0 | 0 | 2 | 119 | 100 | 0 | 0 | 0 | 81 | 0 | 6 | 100 | 100 | 38 | 6 | 19 | 100 | 0 | 0 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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