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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 Tuesday 28 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
25.6° 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 5PM is: 0.4m 12s primary swell from a Southwest direction and 0.2m 8s secondary swell from a West-southwest direction (forecast issued at 01:00pm April 28). The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Apr) | 1.5ft (0.4m) | 12s |
| Afternoon (28 Apr) | 1.5ft (0.4m) | 12s |
| Evening (28 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 ForecastModerate rain (total 11mm), heaviest on Tue night. Warm (max 26°C on Tue afternoon, min 23°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tue 28 | Wednesday 29 | Thursday 30 | Fri 1 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
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 | S 17 | S 16 | S 16 | S 16 | S 16 | S 16 | SSW 15 | SSW 15 | S 15 | S 15 | |
38 | 37 | 37 | 37 | 22 | 37 | 22 | 27 | 25 | 23 | 23 | 25 | 55 | 24 | 23 | 46 | 81 | 81 | 82 | 45 | 73 | 72 | 110 | 112 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | on | on | cross-on | glassy | glassy | glassy | glassy | cross-on | on | on | glassy | cross | cross-off | glassy | cross-on | cross-on | cross-on | on | cross-on | cross | glassy | glassy | cross-on | |
High Tide | 2:21PM0.52m | 1:54AM0.37m | 2:55PM0.57m | 2:28AM0.32m | 3:28PM0.61m | 3:01AM0.28m | ||||||||||||||||||
Low Tide | 8:35PM0.10m | 8:04AM-0.04m | 9:26PM0.09m | 8:27AM-0.04m | 10:15PM0.09m | |||||||||||||||||||
 | |  |  | |  |  | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:54 | — |
 | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | 6:46 |
— | — | 1 | 1 | 2 | 1 | — | — | — | 1 | 1 | 1 | 1 | — | — | — | — | 1 | 1 | — | — | — | — | — | |
Temp °C | 25 | 26 | 25 | 24 | 24 | 24 | 23 | 24 | 25 | 25 | 25 | 24 | 24 | 23 | 23 | 24 | 25 | 25 | 24 | 24 | 24 | 23 | 23 | 24 |
26 | 26 | 26 | 26 | 27 | 26 | 26 | 26 | 26 | 27 | 26 | 26 | 26 | 24 | 25 | 25 | 26 | 27 | 26 | 26 | 26 | 25 | 25 | 26 | |
Swell 1 Height (m) Direction Period (s) | 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 | NW 11 | S 16 | S 16 | S 16 | S 16 | NW 11 | SSW 15 | SSW 15 | S 15 | S 15 |
 kJ | 38 | 37 | 37 | 37 | 22 | 37 | 22 | 22 | 22 | 23 | 23 | 22 | 22 | 21 | 20 | 46 | 81 | 81 | 82 | 19 | 73 | 72 | 110 | 112 |
Swell 2 Height (m) Direction Period (s) | NW 10 | NW 10 | WSW 8 | NW 14 | NW 14 | WNW 13 | WNW 13 | NW 13 | NW 13 | SSW 11 | SSW 11 | S 18 | S 18 | SSW 13 | SSW 12 | NW 11 | NW 11 | NW 11 | SSW 12 | S 16 | NW 11 | NW 11 | NW 11 | NW 11 |
| kJ | 4 | 4 | 6 | 8 | 8 | 18 | 17 | 27 | 25 | 12 | 12 | 25 | 55 | 16 | 15 | 19 | 19 | 19 | 28 | 45 | 19 | 19 | 19 | 18 |
Swell 3 Height (m) Direction Period (s) | S 10 | S 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | S 9 | S 13 | S 13 | S 13 | SSW 13 | SSW 13 | S 18 | S 17 | SSW 12 | SSW 12 | SSW 12 | NW 11 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 |
| kJ | 8 | 2 | 4 | 4 | 4 | 4 | 4 | 6 | 14 | 14 | 14 | 17 | 16 | 24 | 23 | 15 | 14 | 28 | 18 | 14 | 13 | 12 | 12 | 12 |
Wind waves Height (m) Direction Period (s) | — | WSW 2 | — | — | — | — | — | — | — | NW 4 | NNW 4 | SW 9 | SSW 9 | WNW 2 | — | — | SSW 8 | — | NW 2 | SSW 8 | NNW 4 | — | — | — |
| kJ | — | 1 | — | — | — | — | — | — | — | 1 | 2 | 3 | 8 | 1 | — | — | 7 | — | 1 | 6 | 2 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 100 | 100 | 100 | 100 | 4 | 0 | 0 | 0 | 132 | 19 | 19 | 0 | 19 | 0 | 0 | 6 | 100 | 19 | 19 | 6 | 6 | 0 | 0 | 6 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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