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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 31 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 normal for this time of year)How big are the waves at Waimanu Bay today (31 May):
- Morning surf: Morning surf (31 May, local time) - 3ft (0.9m), 7s period with NE swell.
- Afternoon surf: Afternoon surf (31 May, local time) - 3ft (0.9m), 8s period with ESE swell.
- Evening surf: Evening surf (31 May, local time) - 4.5ft (1.3m), 8s period with E swell.
The current surf forecast for Waimanu Bay at 10AM is: 0.8m 8s primary swell from a East direction and 0.8m 7s secondary swell from a Northeast direction (forecast issued at 07:00am May 31). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | 3ft (0.9m) | 7s |
| Afternoon (31 May) | 3ft (0.9m) | 8s |
| Evening (31 May) | 4.5ft (1.3m) | 8s |
Table - waves today at Waimanu Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 6mm), mostly falling on Sun afternoon. Warm (max 26°C on Mon morning, min 24°C on Sun morning). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 31 | Monday 1 | Tuesday 2 | Wed 3 | |||||||||||||||||||||
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 7 | NE 7 | E 8 | ESE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 5 | NNW 12 | E 7 | E 7 | |
86 | 91 | 76 | 109 | 172 | 201 | 201 | 196 | 196 | 173 | 202 | 196 | 172 | 167 | 163 | 163 | 135 | 128 | 128 | 147 | 76 | 111 | 250 | 286 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | |
High Tide | 2:05AM0.47m | 3:43PM0.95m | 2:37AM0.46m | 4:17PM0.94m | 3:08AM0.45m | 4:52PM0.92m | ||||||||||||||||||
Low Tide | 8:13AM0.06m | 10:37PM0.34m | 8:44AM0.06m | 11:15PM0.34m | 9:16AM0.07m | 11:55PM0.35m | ||||||||||||||||||
 |  | | |  | |  | | |  | | | | |  | | | | | | | | | | |
 | 5:41 | — | — | — | — | — | — | — | 5:41 | — | — | — | — | — | — | — | 5:41 | — | — | — | — | — | — | 5:41 |
 | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:58 | — | — | 6:59 |
— | — | — | — | 1 | — | — | — | — | — | — | 1 | 1 | — | 1 | — | — | — | — | 1 | 1 | — | — | — | |
Temp °C | 24 | 24 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 25 | 26 | 26 | 25 | 25 | 24 | 24 | 24 | 25 | 26 | 26 | 26 | 25 | 24 | 24 |
26 | 26 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 27 | 28 | 26 | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 24 | 24 | |
Swell 1 Height (m) Direction Period (s) | NE 7 | NE 7 | E 8 | ESE 8 | E 8 | E 8 | N 9 | N 9 | N 11 | N 10 | N 10 | N 10 | N 10 | N 10 | ENE 7 | ENE 7 | ENE 7 | NNW 9 | NNW 9 | NNW 13 | N 12 | NNW 12 | NNW 11 | NNW 11 |
 kJ | 86 | 91 | 76 | 109 | 172 | 201 | 41 | 41 | 85 | 78 | 50 | 50 | 49 | 48 | 163 | 163 | 135 | 27 | 26 | 56 | 76 | 111 | 128 | 123 |
Swell 2 Height (m) Direction Period (s) | ESE 8 | ESE 8 | NE 7 | NE 8 | NNW 9 | N 9 | NNW 11 | NNW 11 | N 11 | N 10 | E 11 | NE 11 | N 10 | NE 10 | N 9 | N 9 | NNW 9 | N 14 | N 14 | NNW 9 | NNW 9 | NNW 9 | NNW 8 | — |
| kJ | 63 | 63 | 71 | 79 | 26 | 41 | 24 | 24 | 85 | 80 | 2 | 5 | 70 | 4 | 45 | 42 | 27 | 4 | 15 | 26 | 26 | 15 | 6 | — |
Swell 3 Height (m) Direction Period (s) | NNW 10 | NNW 10 | N 10 | N 9 | NNW 10 | NNW 11 | NNW 11 | NNW 11 | — | — | — | NE 11 | NE 11 | N 13 | N 13 | N 7 | NW 13 | NW 13 | NW 12 | E 18 | NE 9 | NE 9 | — | — |
| kJ | 55 | 54 | 47 | 44 | 20 | 25 | 24 | 24 | — | — | — | 5 | 5 | 4 | 3 | 1 | 6 | 6 | 6 | 6 | 3 | 3 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | — | — | — | ENE 7 | ENE 7 | ENE 7 | E 5 | E 5 | E 7 | E 7 |
| kJ | — | — | — | — | — | — | 201 | 196 | 196 | 173 | 202 | 196 | 172 | 167 | — | — | — | 128 | 128 | 147 | 75 | 93 | 250 | 286 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 70 | 25 | 61 | 69 | 98 | 97 | 66 | 70 | 61 | 60 | 60 | 69 | 77 | 77 | 81 | 70 | 68 | 70 | 69 | 66 | 77 | 98 | 24 | 74 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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