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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 7 am Monday 27 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 1PM is: 0.5m 13s primary swell from a Southwest direction and 0.2m 11s secondary swell from a North-northwest direction, 0.3m 9s secondary swell from a West direction (forecast issued at 07:00am April 27). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Apr) | 1.5ft (0.5m) | 13s |
| Afternoon (27 Apr) | 1.5ft (0.5m) | 13s |
| Evening (27 Apr) | 1.5ft (0.5m) | 13s |
Table - waves today at Waiaha Rivermouth / Honls. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 11mm), heaviest on Mon afternoon. Warm (max 26°C on Mon morning, min 23°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 27 | Tuesday 28 | Wednesday 29 | Thu 30 | |||||||||||||||||||||
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 | 11 PM | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | NW 13 | NW 13 | NW 12 | NW 12 | S 18 | S 18 | S 18 | |
89 | 88 | 85 | 85 | 84 | 84 | 84 | 60 | 42 | 39 | 38 | 37 | 37 | 37 | 22 | 37 | 22 | 27 | 25 | 23 | 23 | 25 | 55 | 24 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-on | on | cross-on | cross | glassy | cross-on | cross-on | glassy | glassy | cross-on | cross-on | on | cross-on | glassy | cross-off | cross-off | glassy | on | on | on | on | glassy | cross-on | |
High Tide | 1:45PM0.45m | 1:18AM0.42m | 2:21PM0.52m | 1:54AM0.37m | 2:55PM0.57m | |||||||||||||||||||
Low Tide | 7:16AM-0.03m | 7:40PM0.11m | 7:41AM-0.04m | 8:35PM0.10m | 8:04AM-0.04m | 9:26PM0.09m | ||||||||||||||||||
 |  | | |  | | | | | | | | |  |  | | | | | | | | | | |
 | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | 5:56 |
 | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — | — | 6:45 |
— | — | — | — | 1 | — | — | — | — | — | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | 1 | 1 | 1 | 1 | |
Temp °C | 24 | 25 | 26 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 24 | 24 | 23 |
26 | 27 | 27 | 27 | 26 | 28 | 26 | 25 | 27 | 27 | 27 | 27 | 27 | 26 | 27 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 25 | |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 |
 kJ | 89 | 88 | 85 | 85 | 84 | 84 | 84 | 60 | 42 | 39 | 38 | 37 | 37 | 37 | 22 | 37 | 22 | 22 | 22 | 23 | 23 | 22 | 22 | 21 |
Swell 2 Height (m) Direction Period (s) | WNW 9 | WNW 9 | NNW 11 | NNW 11 | W 9 | W 9 | W 9 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 10 | NW 14 | NW 14 | WNW 13 | WNW 13 | NW 13 | NW 13 | SSW 11 | NNW 5 | S 18 | S 18 | SSW 13 |
| kJ | 17 | 16 | 13 | 12 | 6 | 6 | 6 | 5 | 4 | 4 | 4 | 4 | 4 | 8 | 8 | 18 | 17 | 27 | 25 | 12 | 3 | 25 | 55 | 16 |
Swell 3 Height (m) Direction Period (s) | NNW 11 | NNW 11 | S 10 | S 10 | NNW 11 | NW 11 | NW 11 | S 10 | S 10 | W 8 | S 10 | S 11 | S 11 | NW 10 | S 9 | S 3 | S 4 | S 9 | S 9 | NNW 3 | SSW 11 | SSW 13 | SSE 4 | S 18 |
| kJ | 13 | 12 | 8 | 8 | 12 | 5 | 5 | 8 | 8 | 5 | 8 | 2 | 2 | 4 | 7 | 1 | 1 | 6 | 6 | 1 | 12 | 17 | 2 | 24 |
Wind waves Height (m) Direction Period (s) | — | — | WSW 9 | W 9 | NW 2 | NW 3 | — | WSW 9 | WSW 8 | — | W 8 | W 8 | W 8 | — | SW 8 | — | — | — | NNW 3 | — | — | NW 2 | NW 3 | NW 3 |
| kJ | — | — | 16 | 14 | 1 | 2 | — | 7 | 7 | — | 5 | 5 | 1 | — | 3 | — | — | — | 1 | — | — | 1 | 3 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 6 | 100 | 100 | 100 | 0 | 1 | 1 | 0 | 0 | 100 | 100 | 100 | 100 | 0 | 0 | 0 | 0 | 6 | 19 | 19 | 19 | 0 | 81 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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