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Waimanu Bay Surf Forecast
/ HAW – Big Island (60 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Waimanu Bay surfForecast / HAW – Big Island / USA
48hr Weather and Surf, issued 7 am Sunday 26 Apr 2026 HSTForecast update in hr min s Forecast update imminent
Waimanu Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Waimanu Bay sea temperature is
25.5° C
(Which is slightly warmer than usual)How big are the waves at Waimanu Bay today?
The current surf forecast for Waimanu Bay at 1PM is: 1.4m 8s primary swell from a Northeast direction and 0.7m 12s secondary swell from a Northwest direction (forecast issued at 07:00am April 26). An open ocean swell of 0.2m 10s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Apr) | 2.5ft (0.7m) | 12s |
| Afternoon (26 Apr) | 4.5ft (1.4m) | 8s |
| Evening (26 Apr) | 3.5ft (1.0m) | 8s |
Table - waves today at Waimanu Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Mon afternoon. Warm (max 25°C on Sun morning, min 22°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 26 | Monday 27 | Tuesday 28 | Wed 29 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
NE 8 | NW 12 | NW 12 | NE 8 | NW 12 | NNE 8 | NE 8 | NE 8 | NE 8 | NE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | |
182 | 149 | 149 | 215 | 149 | 123 | 140 | 151 | 147 | 121 | 231 | 289 | 198 | 173 | 127 | 149 | 113 | 118 | 147 | 210 | 245 | 231 | 193 | 127 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 12:31PM0.59m | 00:02AM0.73m | 1:11PM0.69m | 00:37AM0.69m | 1:46PM0.77m | 1:08AM0.65m | ||||||||||||||||||
Low Tide | 6:18AM0.22m | 5:50PM0.34m | 6:41AM0.18m | 6:53PM0.34m | 7:03AM0.15m | 7:45PM0.33m | ||||||||||||||||||
 |  | | | | | | | | | | |  | | | | | | | |  |  | | | |
 | 5:56 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | 5:54 |
 | — | — | — | — | 6:44 | — | — | — | — | — | — | — | 6:44 | — | — | — | — | — | — | — | 6:45 | — | — | 6:45 |
— | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 22 | 24 | 25 | 25 | 24 | 24 | 23 | 23 | 23 | 24 | 25 | 25 | 24 | 24 | 23 | 23 | 22 | 23 | 24 | 24 | 24 | 23 | 23 | 22 |
22 | 24 | 25 | 25 | 24 | 24 | 23 | 23 | 23 | 24 | 25 | 25 | 25 | 24 | 23 | 23 | 21 | 22 | 24 | 23 | 24 | 23 | 23 | 21 | |
Swell 1 Height (m) Direction Period (s) | NE 8 | NNE 8 | NNE 8 | NW 12 | NNE 8 | NNE 8 | NE 8 | NE 8 | NE 8 | NE 7 | NNW 11 | NW 11 | NW 11 | NW 11 | NE 7 | NNW 10 | E 8 | NNW 10 | NNW 10 | NNW 10 | NW 10 | NW 10 | NW 10 | NE 7 |
 kJ | 182 | 130 | 126 | 149 | 103 | 123 | 140 | 151 | 147 | 121 | 79 | 58 | 57 | 57 | 44 | 42 | 30 | 41 | 42 | 42 | 27 | 26 | 25 | 50 |
Swell 2 Height (m) Direction Period (s) | NW 13 | NW 12 | NW 12 | W 10 | NW 12 | NW 12 | NNW 12 | NNW 11 | NNW 11 | NNW 11 | NE 9 | NE 9 | NNE 8 | NNE 8 | NW 11 | NNE 8 | NNW 10 | NE 8 | NE 8 | NW 15 | NW 15 | NW 14 | NW 14 | NW 13 |
| kJ | 167 | 149 | 149 | 8 | 149 | 112 | 88 | 85 | 82 | 81 | 21 | 21 | 28 | 28 | 56 | 7 | 41 | 17 | 18 | 9 | 33 | 33 | 29 | 46 |
Swell 3 Height (m) Direction Period (s) | WNW 11 | WNW 11 | W 10 | NE 11 | W 10 | W 10 | W 10 | W 10 | W 10 | NNE 9 | NE 12 | NE 11 | NE 11 | NE 11 | NE 8 | NNE 10 | NNE 8 | NNE 10 | NW 16 | W 8 | — | S 11 | NNE 9 | NW 10 |
| kJ | 23 | 11 | 9 | 5 | 8 | 8 | 7 | 7 | 2 | 32 | 5 | 5 | 5 | 5 | 18 | 10 | 7 | 10 | 10 | 1 | — | 2 | 8 | 24 |
Wind waves Height (m) Direction Period (s) | ESE 8 | E 4 | E 4 | NE 8 | E 4 | E 4 | E 4 | E 8 | ESE 7 | ESE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 |
| kJ | 12 | 14 | 28 | 215 | 28 | 27 | 21 | 72 | 69 | 89 | 231 | 289 | 198 | 173 | 127 | 149 | 113 | 118 | 147 | 210 | 245 | 231 | 193 | 127 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 24 | 24 | 24 | 24 | 24 | 24 | 70 | 69 | 58 | 58 | 77 | 77 | 77 | 58 | 58 | 58 | 58 | 72 | 77 | 77 | 77 | 58 | 66 | 69 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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