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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 23 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 4PM is: 0.7m 13s primary swell from a West direction and 0.4m 16s secondary swell from a West-northwest direction, 0.3m 3s secondary swell from a Northwest direction (forecast issued at 01:00pm April 23). The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Apr) | 2.5ft (0.7m) | 13s |
| Afternoon (23 Apr) | 2.5ft (0.7m) | 13s |
| Evening (23 Apr) | 1.5ft (0.5m) | 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 Fri night. Warm (max 26°C on Thu afternoon, min 23°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 23 | Friday 24 | Saturday 25 | Sun 26 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
W 13 | WNW 13 | W 13 | WNW 16 | W 13 | WNW 15 | WNW 15 | WNW 15 | WNW 14 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | |
168 | 178 | 168 | 147 | 173 | 123 | 167 | 167 | 215 | 184 | 181 | 181 | 173 | 117 | 115 | 111 | 119 | 121 | 121 | 121 | 116 | 107 | 104 | 104 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-on | on | cross-on | on | cross | cross-off | glassy | cross | glassy | glassy | on | on | on | on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | glassy | cross-off | cross-off | |
High Tide | 9:50AM0.16m | 9:55PM0.60m | 11:19AM0.22m | 10:57PM0.56m | 12:20PM0.30m | 11:51PM0.52m | ||||||||||||||||||
Low Tide | 2:08PM0.09m | 5:41AM0.02m | 3:50PM0.12m | 6:18AM0.00m | 5:21PM0.12m | 6:49AM-0.02m | ||||||||||||||||||
 | | |  | | | | | |  | |  | | |  |  | | | | | | | | | |
 | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — |
 | — | — | 6:44 | — | — | — | — | — | — | — | 6:44 | — | — | — | — | — | — | — | 6:44 | — | — | — | — | 6:45 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | 1 | 1 | — | |
Temp °C | 26 | 26 | 26 | 25 | 25 | 24 | 24 | 25 | 26 | 25 | 25 | 24 | 24 | 24 | 23 | 24 | 24 | 25 | 25 | 24 | 24 | 24 | 23 | 24 |
27 | 28 | 29 | 28 | 28 | 26 | 26 | 28 | 28 | 28 | 28 | 27 | 26 | 26 | 25 | 26 | 25 | 27 | 27 | 26 | 26 | 27 | 24 | 25 | |
Swell 1 Height (m) Direction Period (s) | W 13 | WNW 13 | W 13 | W 13 | W 13 | WNW 15 | WNW 15 | WNW 15 | WNW 14 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 |
 kJ | 168 | 178 | 168 | 125 | 173 | 123 | 167 | 167 | 215 | 184 | 181 | 181 | 173 | 117 | 115 | 111 | 107 | 74 | 121 | 121 | 116 | 107 | 104 | 104 |
Swell 2 Height (m) Direction Period (s) | WNW 18 | WNW 17 | WNW 16 | WNW 16 | WNW 16 | W 12 | W 12 | W 12 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 |
| kJ | 103 | 99 | 147 | 147 | 86 | 75 | 78 | 76 | 28 | 28 | 28 | 45 | 44 | 65 | 63 | 85 | 119 | 121 | 71 | 68 | 38 | 38 | 37 | 37 |
Swell 3 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SSW 11 | SSW 15 | SW 14 | SW 13 | SW 13 | SSW 13 | SSW 13 | S 13 | SSW 16 | SSW 16 | S 12 | SSW 12 | SSW 12 | SSW 12 | S 12 | S 12 | S 12 | SSW 11 | S 11 | S 11 | S 11 |
| kJ | 22 | 22 | 21 | 13 | 21 | 31 | 28 | 28 | 17 | 17 | 14 | 26 | 27 | 12 | 29 | 29 | 28 | 11 | 11 | 11 | 25 | 10 | 9 | 9 |
Wind waves Height (m) Direction Period (s) | NW 10 | NW 3 | — | — | S 9 | WNW 9 | WNW 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 9 | — | — |
| kJ | 15 | 1 | — | — | 40 | 8 | 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 50 | 50 | 6 | 6 | 19 | 19 | 0 | 0 | 4 | 0 | 0 | 6 | 19 | 19 | 7 | 7 | 50 | 47 | 6 | 6 | 1 | 0 | 0 | 0 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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