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Surf Forecasts:
The Cove surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 am Tuesday 21 Apr 2026 HSTForecast update in hr min s Forecast update imminent
The Cove surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's The Cove sea temperature is
24.7° C
(Which is normal for this time of year)How big are the waves at The Cove today?
The current surf forecast for The Cove at 11AM is: 0.5m 13s primary swell from a Southwest direction and 0.5m 11s secondary swell from a South direction (forecast issued at 07:00am April 21). An open ocean swell of 0.6m 16s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Apr) | 1.5ft (0.5m) | 13s |
| Afternoon (21 Apr) | 1.5ft (0.5m) | 13s |
| Evening (21 Apr) | 1.5ft (0.5m) | 13s |
Table - waves today at The Cove. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 21 | Wednesday 22 | Thursday 23 | Fri 24 | |||||||||||||||||||||
| 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) (?) | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 7 | 14 | 14 | 12 | 12 | 12 | 7 | 7 | 7 | 7 | 4 | 5 | 5 | 5 | 5 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 91 | 88 | 87 | 85 | 84 | 84 | 83 | 82 | 80 | 26 | 0 | 0 | 73 | 73 | 72 | 26 | 26 | 39 | 26 | 9 | 11 | 20 | 14 | 13 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | cross- on | cross- on | cross | glass | glass | cross | cross | cross | glass | on | glass | glass | cross | cross- off | cross- off | cross- off | cross | cross | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 5:48AM 0.24 | 7:46PM 0.73 | 7:09AM 0.21 | 8:55PM 0.69 | 9:45AM 0.22 | 10:06PM 0.65 | ||||||||||||||||||
Low Tide / height (m) | 2:39AM 0.21 | 11:31AM 0.06 | 4:20AM 0.19 | 12:21PM 0.12 | 5:30AM 0.17 | 1:40PM 0.18 | ||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | Fri 24 | |||||||||||||||||||||
| Sunrise | - | 6:07 | - | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:05 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:53 | - | - | - |
 |  |  | |  |  | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 23 | 24 | 25 | 25 | 25 | 24 | 24 | 23 | 23 | 23 | 25 | 25 | 25 | 25 | 24 | 23 | 23 | 23 | 25 | 25 | 25 | 23 | 22 | 22 |
| Feels °C (?) | 27 | 28 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 25 | 27 | 27 | 28 | 28 | 26 | 25 | 25 | 24 | 26 | 25 | 25 | 22 | 21 | 22 |
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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 The Cove 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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