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Surf Forecasts:
Dark Reef surfForecast / Khánh Hoà / Vietnam
48hr Weather and Surf, issued 12 pm Monday 20 Apr 2026 +07Forecast update in hr min s Forecast update imminent
Dark Reef surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Dark Reef sea temperature is
26.4° C
(Which is 2.2°C colder than average for this time of year)How big are the waves at Dark Reef today?
The current surf forecast for Dark Reef at 4PM is: 0.1m 13s primary swell from a Northeast direction and 0.1m 5s secondary swell from a Southeast direction, 0.2m 3s secondary swell from a East-southeast direction (forecast issued at 12:00pm April 20). The wind direction is predicted to be cross-onshore.
| Time (+07) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Apr) | 0.5ft (0.1m) | 14s |
| Afternoon (20 Apr) | 0.5ft (0.1m) | 13s |
| Evening (20 Apr) | 0.5ft (0.1m) | 13s |
Table - waves today at Dark Reef. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||||
| 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 14 | 13 | 5 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 4 | 4 | 7 | 7 | 7 | 7 | 7 | 7 | 17 | 15 | 15 | 14 | 14 | 22 | 22 | 37 | 37 | 37 | 37 | 37 | 37 | 36 | 35 | 35 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- on | cross- on | cross | cross- off | off | off | off | cross- on | cross- on | cross- on | cross- on | cross- off | cross- off | cross- off | cross- off | cross- on | cross- on | cross- on | cross | cross- off | cross- off | cross- off | glass |
High Tide / height (m) | 10:23AM 1.62 | 10:57AM 1.69 | 11:37AM 1.70 | |||||||||||||||||||||
Low Tide / height (m) | 7:04PM 0.01 | 8:06PM -0.01 | 9:14PM 0.03 | |||||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 5:28 | - | - | - | - | - | - | - | 5:26 | - | - | - | - | - | - | - | 5:26 |
| Sunset | - | - | 5:54 | - | - | - | - | - | - | - | 5:54 | - | - | - | - | - | - | - | 5:54 | - | - | - | - | - |
 | | |  | | | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 28 | 29 | 28 | 26 | 25 | 22 | 22 | 24 | 28 | 29 | 28 | 26 | 25 | 24 | 23 | 24 | 28 | 29 | 28 | 26 | 25 | 24 | 24 | 25 |
| Feels °C (?) | 29 | 28 | 28 | 27 | 27 | 23 | 23 | 25 | 28 | 29 | 28 | 28 | 27 | 26 | 25 | 26 | 28 | 28 | 27 | 27 | 26 | 26 | 26 | 27 |
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Live Wave Height (m)
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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 Dark Reef 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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