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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 am 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 10AM is: 1.3m 7s primary swell from a East-northeast direction and 0.4m 10s secondary swell from a North-northwest direction, 0.4m 8s secondary swell from a Northeast direction (forecast issued at 01:00am 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 (1.6m) | 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 morning, min 22°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 28 | Wednesday 29 | Thursday 30 | ||||||||||||||||||||||
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 | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
ENE 7 | ENE 7 | ENE 7 | 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 | NNW 13 | NNW 13 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | |
181 | 178 | 171 | 191 | 238 | 222 | 231 | 152 | 127 | 135 | 132 | 128 | 128 | 136 | 133 | 123 | 116 | 113 | 163 | 192 | 197 | 172 | 197 | 225 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | 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-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | |
High Tide | 00:37AM0.69m | 1:46PM0.77m | 1:08AM0.65m | 2:19PM0.85m | 1:37AM0.61m | 2:50PM0.89m | ||||||||||||||||||
Low Tide | 7:03AM0.15m | 7:45PM0.33m | 7:26AM0.12m | 8:32PM0.33m | 7:48AM0.09m | 9:15PM0.32m | ||||||||||||||||||
 | |  | | | |  | | | | | | | | | | | |  |  | | | | | |
 | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | |
Temp °C | 23 | 23 | 23 | 24 | 24 | 24 | 23 | 23 | 22 | 22 | 23 | 24 | 24 | 24 | 23 | 22 | 22 | 22 | 23 | 24 | 23 | 23 | 22 | 22 |
23 | 23 | 22 | 24 | 24 | 24 | 22 | 23 | 21 | 22 | 22 | 23 | 22 | 23 | 22 | 20 | 20 | 20 | 21 | 22 | 21 | 21 | 20 | 20 | |
Swell 1 Height (m) Direction Period (s) | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NW 10 | NW 10 | NE 7 | NE 7 | ENE 7 | ENE 7 | NW 14 | NW 14 | NNW 14 | NNW 14 | NNW 14 | NE 7 | ENE 7 | NNW 12 | NW 12 | NW 12 | NW 12 | NNW 12 | NNW 12 |
 kJ | 42 | 41 | 41 | 42 | 42 | 27 | 26 | 71 | 49 | 135 | 132 | 96 | 100 | 136 | 133 | 123 | 62 | 90 | 138 | 152 | 149 | 147 | 177 | 169 |
Swell 2 Height (m) Direction Period (s) | NNE 8 | NNE 8 | NNE 8 | NE 8 | NW 15 | NNW 15 | NW 14 | NW 10 | NW 13 | NW 13 | NW 13 | NE 10 | NE 10 | NE 10 | NE 9 | NE 8 | NNW 13 | NNW 13 | NE 9 | NE 9 | NE 9 | NE 10 | NE 9 | NNE 9 |
| kJ | 14 | 7 | 7 | 17 | 9 | 21 | 33 | 25 | 46 | 45 | 61 | 24 | 24 | 23 | 20 | 35 | 116 | 113 | 19 | 19 | 19 | 26 | 19 | 35 |
Swell 3 Height (m) Direction Period (s) | NNE 10 | NNE 10 | NNE 10 | NW 16 | — | S 11 | NNW 10 | NW 14 | NW 10 | NW 10 | NW 10 | NNW 9 | NNW 9 | NE 9 | ESE 7 | NE 9 | NE 9 | NE 9 | S 10 | NNE 11 | NNE 9 | NNE 8 | NE 10 | — |
| kJ | 10 | 10 | 10 | 10 | — | 2 | 40 | 29 | 24 | 25 | 15 | 8 | 8 | 21 | 47 | 36 | 19 | 19 | 2 | 11 | 29 | 7 | 16 | — |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | E 7 | — | — | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | ESE 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 |
| kJ | 181 | 178 | 171 | 191 | 238 | 222 | 231 | 152 | 127 | — | — | 128 | 128 | 128 | 121 | 117 | 65 | 37 | 163 | 192 | 197 | 172 | 197 | 225 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 58 | 58 | 66 | 77 | 77 | 77 | 77 | 66 | 66 | 135 | 66 | 107 | 58 | 137 | 58 | 69 | 61 | 68 | 72 | 98 | 98 | 58 | 58 | 58 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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