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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 29 Mar 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
24.5° C
(Which is normal for this time of year)How big are the waves at Waimanu Bay today?
The current surf forecast for Waimanu Bay at 2PM is: 1.7m 11s primary swell from a North direction and 0.4m 7s secondary swell from a East-southeast direction, 0.7m 9s secondary swell from a Northeast direction (forecast issued at 07:00am March 29). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Mar) | 3ft (0.9m) | 9s |
| Afternoon (29 Mar) | 6ft (1.8m) | 11s |
| Evening (29 Mar) | 7ft (2.2m) | 11s |
Table - waves today at Waimanu Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 29 | Monday 30 | Tuesday 31 | Wed 01 | |||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 9 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 141 | 141 | 188 | 739 | 890 | 1212 | 1277 | 1455 | 1455 | 1332 | 1488 | 1488 | 1365 | 1365 | 1206 | 1185 | 1042 | 1165 | 1279 | 1265 | 1277 | 1176 | 1081 | 1008 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | 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- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 1:14PM 0.60 | 1:28AM 0.83 | 1:52PM 0.69 | 1:56AM 0.79 | 2:28PM 0.76 | |||||||||||||||||||
Low Tide / height (m) | 7:33AM 0.23 | 6:55PM 0.21 | 7:54AM 0.19 | 7:42PM 0.21 | 8:14AM 0.16 | 8:26PM 0.23 | ||||||||||||||||||
Sunday 29 | Monday 30 | Tuesday 31 | Wed 01 | |||||||||||||||||||||
| Sunrise | - | 6:18 | - | - | - | - | - | - | - | 6:18 | - | - | - | - | - | - | - | 6:16 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:36 | - | - | - | - | - | - | - | 6:36 | - | - | - | - | - | - | - | 6:36 | - | - | - |
 |  | | | |  | | | | | | | |  | | | |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | - | - | - | - | - |
| Temp. °C | 21 | 21 | 21 | 22 | 21 | 21 | 20 | 20 | 20 | 20 | 21 | 22 | 21 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 20 | 20 |
| Feels °C (?) | 20 | 20 | 20 | 20 | 19 | 19 | 18 | 19 | 19 | 18 | 19 | 21 | 19 | 19 | 18 | 19 | 19 | 18 | 19 | 19 | 19 | 19 | 18 | 19 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Waimanu Bay surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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