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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 1 pm Tuesday 28 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 9PM is: 1.5m 7s primary swell from a East-northeast direction and 0.4m 10s secondary swell from a Northwest direction, 0.3m 14s secondary swell from a Northwest direction (forecast issued at 01:00pm April 28). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Apr) | 4.5ft (1.3m) | 7s |
| Afternoon (28 Apr) | 5ft (1.5m) | 7s |
| Evening (28 Apr) | 5ft (1.5m) | 7s |
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 Thu morning. Warm (max 24°C on Tue afternoon, min 22°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 |    |    |    |    | ||||||||||||||||||||
ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | NNW 14 | NNW 14 | NNW 14 | NW 13 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | |
166 | 210 | 252 | 231 | 127 | 127 | 135 | 128 | 128 | 149 | 136 | 133 | 123 | 178 | 163 | 208 | 218 | 192 | 197 | 197 | 236 | 310 | 330 | 322 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | |
High Tide | 1:46PM0.77m | 1:08AM0.65m | 2:19PM0.85m | 1:37AM0.61m | 2:50PM0.89m | 2:04AM0.57m | ||||||||||||||||||
Low Tide | 7:45PM0.33m | 7:26AM0.12m | 8:32PM0.33m | 7:48AM0.09m | 9:15PM0.32m | |||||||||||||||||||
 | | |  | | | | | | | | | | |  |  |  | | | | | | | | |
 | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — |
 | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | 6:45 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | |
Temp °C | 25 | 24 | 24 | 23 | 23 | 22 | 22 | 23 | 24 | 24 | 23 | 23 | 22 | 22 | 22 | 23 | 24 | 24 | 24 | 23 | 23 | 22 | 22 | 23 |
25 | 24 | 24 | 23 | 23 | 21 | 22 | 22 | 23 | 23 | 21 | 22 | 20 | 21 | 20 | 21 | 22 | 22 | 22 | 21 | 21 | 20 | 20 | 21 | |
Swell 1 Height (m) Direction Period (s) | NNW 10 | NNW 10 | NW 10 | NW 10 | NE 7 | NE 7 | ENE 7 | NW 13 | NW 14 | NW 14 | NNW 14 | NNW 14 | NNW 14 | NNW 13 | NNW 13 | NNW 12 | NNW 12 | NW 12 | NW 12 | NNW 12 | NNW 12 | NNW 13 | ENE 8 | ENE 8 |
 kJ | 42 | 42 | 27 | 26 | 69 | 49 | 135 | 61 | 96 | 100 | 136 | 133 | 123 | 116 | 113 | 138 | 131 | 149 | 147 | 180 | 169 | 219 | 330 | 322 |
Swell 2 Height (m) Direction Period (s) | NE 8 | NW 15 | NNW 15 | NW 14 | NW 10 | NW 13 | NW 13 | NNW 10 | NE 10 | NE 10 | NE 10 | NE 9 | NNE 9 | NE 9 | NE 8 | NE 9 | NE 9 | NNE 9 | NE 10 | NE 10 | NNE 9 | NNW 13 | NNW 13 | NNW 13 |
| kJ | 17 | 9 | 21 | 33 | 25 | 46 | 45 | 9 | 24 | 24 | 23 | 20 | 30 | 36 | 18 | 19 | 19 | 29 | 26 | 27 | 33 | 265 | 219 | 215 |
Swell 3 Height (m) Direction Period (s) | NW 16 | W 8 | — | NNW 10 | NW 14 | NW 10 | NW 10 | NNE 10 | NNW 9 | NNW 9 | NE 9 | NNE 9 | NE 8 | NW 13 | NE 8 | NE 9 | NNE 11 | NNE 9 | NNE 8 | NE 8 | — | ESE 8 | NNW 7 | — |
| kJ | 10 | 1 | — | 40 | 29 | 24 | 25 | 9 | 8 | 8 | 23 | 29 | 35 | 178 | 18 | 19 | 11 | 29 | 7 | 11 | — | 102 | 5 | — |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | E 7 | — | ENE 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 | ENE 8 | — | — |
| kJ | 166 | 210 | 252 | 231 | 127 | 127 | — | 128 | 128 | 149 | 128 | 118 | 117 | 121 | 163 | 208 | 218 | 192 | 197 | 197 | 236 | 310 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 77 | 77 | 77 | 77 | 58 | 58 | 68 | 58 | 107 | 58 | 58 | 58 | 58 | 69 | 68 | 72 | 77 | 58 | 58 | 58 | 58 | 58 | 66 | 58 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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