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Surf Forecasts:
Duds Reef surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 pm Tuesday 21 Apr 2026 HSTForecast update in hr min s Forecast update imminent
Duds Reef surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Duds Reef sea temperature is
24.8° C
(Which is normal for this time of year)How big are the waves at Duds Reef today?
The current surf forecast for Duds Reef at 12AM is: 0.5m 13s primary swell from a Southwest direction (forecast issued at 07:00pm April 21). An open ocean swell of 0.8m 14s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Apr) | - | - |
| Afternoon (22 Apr) | 1.5ft (0.5m) | 13s |
| Evening (22 Apr) | 1.5ft (0.5m) | 13s |
Table - waves today at Duds Reef. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | |||||||||||||||||||||
| 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 | 11 AM | 2 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 13 | 13 | 13 | 7 | 14 | 14 | 12 | 12 | 12 | 4 | 7 | 7 | 4 | 4 | 5 | 5 | 7 | 5 | 14 | 13 | 16 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 84 | 84 | 83 | 82 | 80 | 26 | 0 | 0 | 73 | 73 | 72 | 2 | 27 | 26 | 6 | 10 | 7 | 12 | 27 | 11 | 48 | 70 | 41 | 45 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | glass | cross | cross | cross | on | on | glass | glass | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross |
High Tide / height (m) | 7:46PM 0.73 | 7:09AM 0.21 | 8:55PM 0.69 | 9:45AM 0.22 | 10:06PM 0.65 | 11:42AM 0.29 | ||||||||||||||||||
Low Tide / height (m) | 4:20AM 0.19 | 12:21PM 0.12 | 5:30AM 0.17 | 1:40PM 0.18 | 6:10AM 0.15 | |||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:05 | - | - | - | - | - | - | - | 6:05 | - | - |
| Sunset | 6:52 | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:53 | - | - | - | - | - | - | - |
 |  | | | |  | | | | | | | |  | | | | | |  | | | | | |
Rain (mm) | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 25 | 24 | 24 | 23 | 23 | 23 | 25 | 25 | 25 | 25 | 24 | 23 | 22 | 23 | 25 | 25 | 25 | 23 | 22 | 22 | 22 | 23 | 24 | 25 |
| Feels °C (?) | 28 | 27 | 27 | 25 | 25 | 25 | 27 | 27 | 28 | 28 | 25 | 25 | 24 | 24 | 26 | 25 | 25 | 22 | 21 | 21 | 21 | 21 | 21 | 23 |
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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
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