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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 Wednesday 29 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
25.7° 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 10PM is: 0.3m 18s primary swell from a South direction and 0.4m 12s secondary swell from a Northwest direction, 0.4m 12s secondary swell from a Northwest direction (forecast issued at 01:00pm April 29). The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Apr) | 1ft (0.3m) | 13s |
| Afternoon (29 Apr) | 1ft (0.3m) | 12s |
| Evening (29 Apr) | 1.5ft (0.4m) | 12s |
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 Wed afternoon. Warm (max 25°C on Wed afternoon, min 23°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 29 | Thursday 30 | Friday 1 | Sat 2 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
NW 13 | NW 12 | NW 12 | NW 12 | S 18 | S 18 | S 17 | S 16 | S 16 | S 16 | S 16 | S 16 | SSW 15 | SSW 15 | S 15 | S 15 | S 15 | S 16 | S 16 | SSW 16 | S 16 | S 14 | S 15 | S 15 | |
25 | 23 | 23 | 50 | 55 | 24 | 23 | 46 | 81 | 81 | 82 | 45 | 73 | 72 | 110 | 112 | 67 | 134 | 132 | 85 | 129 | 97 | 155 | 155 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross | cross-on | cross-on | cross | cross | glassy | glassy | on | cross-on | cross-on | glassy | glassy | cross-off | glassy | glassy | |
High Tide | 2:55PM0.57m | 2:28AM0.32m | 3:28PM0.61m | 3:01AM0.28m | 4:01PM0.63m | 3:34AM0.24m | ||||||||||||||||||
Low Tide | 8:04AM-0.04m | 9:26PM0.09m | 8:27AM-0.04m | 10:15PM0.09m | 8:50AM-0.04m | 11:02PM0.09m | ||||||||||||||||||
 | |  |  |  | | | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — |
 | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | 6:46 |
— | — | 1 | 1 | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 26 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 24 | 24 | 24 | 23 | 23 | 24 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 |
27 | 26 | 26 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 25 | 25 | 26 | 25 | 25 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 27 | |
Swell 1 Height (m) Direction Period (s) | SW 12 | NW 12 | NW 12 | S 18 | NW 12 | NW 12 | NW 11 | S 16 | S 16 | S 16 | S 16 | NW 11 | SSW 15 | SSW 15 | S 15 | S 15 | S 15 | S 16 | S 16 | SSW 16 | S 16 | S 14 | S 15 | S 15 |
 kJ | 22 | 23 | 23 | 25 | 35 | 21 | 20 | 46 | 81 | 81 | 82 | 19 | 73 | 72 | 110 | 112 | 67 | 134 | 132 | 85 | 129 | 97 | 155 | 155 |
Swell 2 Height (m) Direction Period (s) | NW 13 | SSW 11 | SSW 11 | SSW 13 | S 18 | SSW 13 | SSW 12 | NW 11 | NW 11 | NW 11 | NW 11 | S 16 | NW 11 | NW 11 | NW 11 | NW 11 | SSW 17 | NW 11 | SSW 13 | SSW 13 | S 13 | SSW 16 | NW 16 | NW 16 |
| kJ | 25 | 12 | 12 | 17 | 55 | 16 | 15 | 19 | 19 | 19 | 18 | 45 | 19 | 30 | 30 | 18 | 57 | 19 | 35 | 59 | 55 | 51 | 67 | 66 |
Swell 3 Height (m) Direction Period (s) | S 9 | S 13 | S 13 | SSW 11 | SSW 13 | S 18 | S 17 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | NW 11 | SSW 11 | NNW 11 | NNW 11 | NW 11 | S 11 | WNW 11 | SSW 18 |
| kJ | 6 | 14 | 14 | 12 | 17 | 24 | 23 | 15 | 14 | 14 | 28 | 14 | 13 | 12 | 12 | 12 | 19 | 12 | 12 | 12 | 30 | 9 | 11 | 62 |
Wind waves Height (m) Direction Period (s) | NW 4 | — | NW 4 | NW 12 | NNW 4 | — | — | SSE 3 | WSW 8 | NW 3 | NW 3 | SSW 4 | — | — | NNW 3 | — | S 9 | W 2 | W 3 | WNW 3 | — | — | — | — |
| kJ | 1 | — | 1 | 50 | 1 | — | — | 1 | 7 | 2 | 2 | 1 | — | — | 3 | — | 6 | 1 | 2 | 3 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 19 | 100 | 158 | 0 | 0 | 0 | 1 | 6 | 132 | 119 | 6 | 6 | 6 | 100 | 0 | 0 | 119 | 122 | 19 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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