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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 Friday 08 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
25.4° C
(Which is slightly warmer than usual)How big are the waves at Waimanu Bay today?
The current surf forecast for Waimanu Bay at 10PM is: 1.0m 12s primary swell from a North-northwest direction and 0.2m 8s secondary swell from a North-northeast direction, 0.8m 8s secondary swell from a East-southeast direction (forecast issued at 01:00pm May 08). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 May) | 4.5ft (1.3m) | 13s |
| Afternoon (08 May) | 4ft (1.2m) | 12s |
| Evening (08 May) | 3.5ft (1.0m) | 12s |
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 Fri night. Warm (max 25°C on Fri afternoon, min 23°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Fri 8 | Saturday 9 | Sunday 10 | Mon 11 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
NNW 13 | NNW 13 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 11 | NNW 11 | NNW 11 | NNW 11 | E 8 | E 8 | E 8 | E 8 | E 8 | NNW 11 | E 8 | NNW 10 | E 8 | NNW 10 | E 7 | E 8 | |
512 | 489 | 397 | 304 | 289 | 239 | 239 | 171 | 163 | 154 | 133 | 130 | 103 | 105 | 108 | 108 | 156 | 152 | 169 | 158 | 160 | 152 | 152 | 169 | |
Wind (km/h) | ||||||||||||||||||||||||
on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | |
High Tide | 8:21PM0.77m | 8:44AM0.39m | 9:16PM0.75m | 10:44AM0.46m | 10:08PM0.73m | |||||||||||||||||||
Low Tide | 11:56AM0.25m | 4:35AM0.33m | 1:14PM0.32m | 5:01AM0.28m | 3:09PM0.38m | 5:25AM0.23m | ||||||||||||||||||
 | | |  |  | | | | | | | | | | | | |  | | | | | | | |
 | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — |
 | — | — | 6:47 | — | — | — | — | — | — | — | 6:49 | — | — | — | — | — | — | — | 6:49 | — | — | — | — | 6:50 |
— | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 25 | 25 | 25 | 24 | 24 | 23 | 23 | 24 | 25 | 25 | 25 | 24 | 23 | 23 | 23 | 24 | 25 | 25 | 24 | 24 | 23 | 23 | 23 | 23 |
27 | 27 | 27 | 25 | 25 | 24 | 24 | 24 | 25 | 25 | 25 | 23 | 22 | 22 | 22 | 23 | 24 | 24 | 23 | 23 | 22 | 22 | 22 | 21 | |
Swell 1 Height (m) Direction Period (s) | NNW 13 | NNW 13 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 11 | NNW 11 | NNW 11 | NNW 11 | NNW 11 | N 7 | N 7 | NNW 12 | NNW 11 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 |
 kJ | 512 | 489 | 397 | 304 | 289 | 239 | 239 | 171 | 163 | 154 | 133 | 130 | 76 | 31 | 31 | 93 | 111 | 140 | 151 | 158 | 152 | 152 | 139 | 118 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | NE 8 | NNE 9 | NNE 9 | NNE 8 | NNE 8 | NNE 8 | N 10 | N 9 | NE 8 | N 7 | NW 11 | NNW 11 | N 7 | N 6 | N 6 | N 6 | NNW 14 | NW 13 | NNW 13 | NNW 12 | NW 12 |
| kJ | 86 | 66 | 66 | 11 | 7 | 7 | 7 | 7 | 7 | 2 | 2 | 3 | 21 | 57 | 85 | 32 | 20 | 19 | 12 | 19 | 28 | 18 | 60 | 38 |
Swell 3 Height (m) Direction Period (s) | NE 9 | NE 8 | NE 8 | N 11 | S 16 | SE 16 | N 10 | N 10 | N 10 | N 10 | — | N 9 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NW 15 | NW 15 | N 9 | N 8 | N 9 | SE 13 | NNE 6 |
| kJ | 12 | 11 | 11 | 2 | 5 | 10 | 2 | 2 | 2 | 2 | — | 2 | 3 | 3 | 3 | 3 | 3 | 8 | 8 | 1 | 1 | 2 | 7 | 7 |
Wind waves Height (m) Direction Period (s) | — | — | — | E 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | E 4 | E 4 | E 4 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 7 | E 7 | E 8 |
| kJ | — | — | — | 66 | 87 | 109 | 109 | 109 | 35 | 44 | 44 | 127 | 103 | 105 | 108 | 108 | 156 | 152 | 169 | 137 | 160 | 147 | 152 | 169 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 69 | 24 | 24 | 29 | 72 | 74 | 58 | 74 | 98 | 107 | 98 | 58 | 67 | 60 | 66 | 66 | 58 | 77 | 58 | 68 | 66 | 32 | 66 | 66 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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