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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 Monday 11 May 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
25.7° 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: 0.9m 12s primary swell from a North-northwest direction and 0.6m 12s secondary swell from a North-northwest direction, 1.1m 8s secondary swell from a East direction (forecast issued at 07:00am May 11). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | 2.5ft (0.8m) | 10s |
| Afternoon (11 May) | 3.5ft (1.0m) | 12s |
| Evening (11 May) | 4ft (1.2m) | 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 Wed night. Warm (max 25°C on Mon morning, min 22°C on Mon night). Mainly fresh winds. | ||||||||||||||||||||||||
Monday 11 | Tuesday 12 | Wednesday 13 | Thu 14 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
NNW 10 | NNW 10 | E 8 | NNW 12 | E 8 | E 8 | ENE 8 | E 8 | E 7 | E 7 | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | |
139 | 139 | 129 | 260 | 190 | 190 | 192 | 137 | 126 | 127 | 127 | 196 | 208 | 195 | 206 | 233 | 233 | 203 | 264 | 348 | 367 | 346 | 346 | 387 | |
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-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | |
High Tide | 11:48AM0.57m | 10:55PM0.71m | 12:35PM0.69m | 11:40PM0.68m | 1:17PM0.81m | 00:22AM0.64m | ||||||||||||||||||
Low Tide | 5:25AM0.23m | 4:52PM0.40m | 5:51AM0.17m | 6:12PM0.39m | 6:19AM0.10m | 7:19PM0.37m | ||||||||||||||||||
 |  | | |  | | |  | | | | | | | | | | | | | | | | | |
 | 5:48 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — | 5:46 |
 | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:50 | — | — | 6:51 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 24 | 25 | 25 | 24 | 23 | 23 | 22 | 22 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 24 | 25 | 24 | 24 | 23 | 23 | 23 |
22 | 22 | 23 | 23 | 22 | 20 | 21 | 20 | 20 | 21 | 22 | 21 | 22 | 20 | 21 | 20 | 21 | 22 | 24 | 23 | 23 | 22 | 22 | 22 | |
Swell 1 Height (m) Direction Period (s) | NNW 10 | NNW 10 | N 9 | NNW 12 | NNW 11 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | N 7 | NNW 12 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 9 | NNW 9 | NNW 9 | NNW 9 |
 kJ | 139 | 139 | 83 | 193 | 135 | 130 | 99 | 97 | 97 | 26 | 113 | 143 | 133 | 123 | 116 | 86 | 86 | 75 | 75 | 74 | 34 | 49 | 16 | 27 |
Swell 2 Height (m) Direction Period (s) | NNW 12 | NW 12 | NNW 12 | NNW 12 | SE 12 | — | N 15 | NNE 6 | NNE 6 | NE 6 | N 7 | N 7 | N 7 | N 7 | N 6 | N 13 | N 12 | N 12 | N 12 | N 12 | N 10 | N 12 | NW 9 | NNW 18 |
| kJ | 60 | 38 | 94 | 260 | 6 | — | 4 | 13 | 12 | 16 | 24 | 24 | 22 | 22 | 11 | 13 | 12 | 24 | 12 | 11 | 17 | 3 | 21 | 31 |
Swell 3 Height (m) Direction Period (s) | N 9 | N 8 | SE 12 | SE 12 | — | — | — | N 14 | NNW 14 | NW 11 | NW 11 | — | SE 12 | N 13 | N 13 | SE 11 | N 12 | N 12 | SE 11 | — | N 20 | NW 19 | NW 18 | NW 9 |
| kJ | 2 | 1 | 6 | 6 | — | — | — | 16 | 36 | 55 | 5 | — | 5 | 14 | 14 | 5 | 12 | 25 | 5 | — | 7 | 14 | 13 | 13 |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | E 8 | E 7 | E 7 | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 |
| kJ | 125 | 129 | 129 | 156 | 190 | 190 | 192 | 137 | 126 | 127 | 127 | 196 | 208 | 195 | 206 | 233 | 233 | 203 | 264 | 348 | 367 | 346 | 346 | 387 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 66 | 66 | 66 | 98 | 66 | 66 | 58 | 58 | 60 | 72 | 58 | 101 | 72 | 72 | 66 | 66 | 66 | 68 | 101 | 303 | 66 | 66 | 58 | 68 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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