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Hakalau surfForecast / HAW – Big Island / USA
48hr Weather and Surf, issued 1 am Tuesday 21 Apr 2026 HSTForecast update in hr min s Forecast update imminent
Hakalau surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Hakalau sea temperature is
25.0° C
(Which is slightly warmer than usual)How big are the waves at Hakalau today?
The current surf forecast for Hakalau at 9AM is: 0.9m 8s primary swell from a East-southeast direction and 0.5m 8s secondary swell from a North direction (forecast issued at 01:00am April 21). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Apr) | 3ft (0.9m) | 8s |
| Afternoon (21 Apr) | 3ft (0.9m) | 8s |
| Evening (21 Apr) | 2.5ft (0.8m) | 16s |
Table - waves today at Hakalau. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||||||||||
| 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 | 11 AM | 2 PM | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 8 | 8 | 8 | 8 | 16 | 16 | 16 | 15 | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 118 | 121 | 127 | 110 | 107 | 137 | 151 | 291 | 463 | 485 | 778 | 704 | 663 | 643 | 585 | 477 | 469 | 368 | 337 | 275 | 270 | 222 | 198 | 184 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross- off | 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 | on | on | on | on | cross- on | cross- on | cross- on |
High Tide / height (m) | 4:26AM 0.50 | 6:55PM 0.93 | 5:01AM 0.44 | 8:13PM 0.88 | 7:05AM 0.39 | |||||||||||||||||||
Low Tide / height (m) | 12:51AM 0.42 | 10:56AM 0.09 | 2:48AM 0.43 | 11:47AM 0.17 | 4:59AM 0.38 | 1:04PM 0.26 | ||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||||||||||
| Sunrise | - | - | - | 5:58 | - | - | - | - | - | - | - | 5:56 | - | - | - | - | - | - | - | 5:56 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:39 | - | - | - | - | - | - | - | 6:39 | - | - | - | - | - | - | - | 6:40 | - |
 | | |  | |  | |  | | | | | | | | | | | | |  | |  | | |
Rain (mm) | - | - | - | - | - | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - |
| Temp. °C | 24 | 24 | 24 | 24 | 25 | 24 | 24 | 24 | 24 | 23 | 23 | 24 | 25 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 |
| Feels °C (?) | 25 | 25 | 26 | 25 | 27 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 26 | 25 | 27 | 27 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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