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Surf Forecasts:
Dark Reef surfForecast / Khánh Hoà / Vietnam
48hr Weather and Surf, issued 12 pm Wednesday 13 May 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
30.0° C
(Which is slightly warmer than usual)How big are the waves at Dark Reef today?
The current surf forecast for Dark Reef at 8PM is: 0.3m 7s primary swell from a Northeast direction and 0.1m 9s secondary swell from a Northeast direction, 0.4m 3s secondary swell from a Southeast direction (forecast issued at 12:00pm May 13). The wind direction is predicted to be cross-offshore.
| Time (+07) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 May) | 1.5ft (0.5m) | 7s |
| Afternoon (13 May) | 1.5ft (0.4m) | 7s |
| Evening (13 May) | 1ft (0.3m) | 7s |
Table - waves today at Dark Reef. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 17mm), heaviest on Fri night. Warm (max 32°C on Thu morning, min 25°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 13 | Thursday 14 | Friday 15 | Sat 16 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | S 4 | S 4 | S 4 | S 3 | S 4 | S 4 | S 5 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | S 5 | S 5 | S 5 | S 5 | S 5 | S 5 | NE 8 | |
17 | 17 | 16 | 7 | 7 | 9 | 10 | 6 | 6 | 9 | 28 | 55 | 3 | 3 | 3 | 3 | 3 | 10 | 41 | 73 | 76 | 49 | 29 | 3 | |
Wind (km/h) | ||||||||||||||||||||||||
on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | cross-off | cross-off | cross-off | glassy | cross-off | off | cross-on | cross-on | cross | cross-off | cross-off | off | off | off | |
High Tide | 6:56PM1.01m | 7:50AM1.19m | 8:56PM0.97m | 7:55AM1.32m | 10:55PM0.97m | |||||||||||||||||||
Low Tide | 1:54PM0.84m | 1:06AM0.68m | 2:48PM0.60m | 1:22AM0.82m | 3:37PM0.36m | 1:18AM0.95m | ||||||||||||||||||
 | | |  |  |  | | | |  |  |  | | | | | | | | | | |  | | |
 | 5:18 | — | — | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:18 | — |
 | — | — | 5:59 | — | — | — | — | — | — | — | 5:59 | — | — | — | — | — | — | — | 5:59 | — | — | — | — | 6:00 |
— | — | — | 1 | — | — | — | — | — | — | 1 | 1 | — | — | 1 | — | — | — | 1 | — | — | 3 | 6 | 3 | |
Temp °C | 30 | 31 | 30 | 28 | 27 | 27 | 27 | 28 | 32 | 32 | 30 | 29 | 28 | 27 | 27 | 28 | 31 | 32 | 31 | 29 | 29 | 26 | 25 | 26 |
33 | 32 | 32 | 31 | 30 | 31 | 31 | 32 | 35 | 34 | 32 | 33 | 32 | 31 | 31 | 31 | 33 | 34 | 33 | 33 | 33 | 30 | 28 | 30 | |
Swell 1 Height (m) Direction Period (s) | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | ENE 8 | NE 8 | NE 8 | NE 8 | NE 8 | S 5 | S 5 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | S 5 |
 kJ | 17 | 17 | 16 | 7 | 7 | 7 | 6 | 6 | 2 | 2 | 6 | 3 | 3 | 3 | 3 | 20 | 15 | 3 | 3 | 3 | 3 | 3 | 3 | 22 |
Swell 2 Height (m) Direction Period (s) | ESE 4 | — | NE 9 | NE 9 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 6 | — | — | NE 8 | NE 8 | — | — | — | — | — | NE 8 | NE 8 |
| kJ | 2 | — | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 1 | — | — | 3 | 3 | — | — | — | — | — | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | SE 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | ESE 4 | SE 2 | SE 3 | S 3 | S 4 | S 4 | S 4 | S 3 | S 4 | S 4 | S 5 | S 5 | S 5 | S 5 | SSW 5 | S 5 | S 5 | S 5 | S 5 | S 5 | S 5 | S 5 | S 5 |
| kJ | — | 2 | 1 | 2 | 5 | 9 | 10 | 6 | 6 | 9 | 28 | 55 | 87 | 48 | 27 | 37 | 27 | 10 | 41 | 73 | 76 | 49 | 29 | 29 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 911 | 911 | 911 | 911 | 425 | 425 | 436 | 442 | 911 | 911 | 425 | 0 | 1282 | 677 | 677 | 677 | 911 | 911 | 911 | 0 | 0 | 13 | 477 | 436 |
Best forecast wave conditions in Khánh Hoà | ||||||||||||||||||||||||
Best forecast wave conditions in Vietnam | ||||||||||||||||||||||||
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