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Surf Forecasts:
Dark Reef surfForecast / Khánh Hoà / Vietnam
48hr Weather and Surf, issued 12 pm Thursday 30 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
28.7° C
(Which is normal for this time of year)How big are the waves at Dark Reef today?
The current surf forecast for Dark Reef at 7PM is: 1.2m 5s primary swell from a North-northeast direction and 0.2m 10s secondary swell from a East-northeast direction, 0.1m 4s secondary swell from a Southeast direction (forecast issued at 12:00pm April 30). The wind direction is predicted to be cross-shore.
| Time (+07) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Apr) | 1.5ft (0.4m) | 7s |
| Afternoon (30 Apr) | 3ft (0.9m) | 4s |
| Evening (30 Apr) | 4ft (1.2m) | 5s |
Table - waves today at Dark Reef. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 30°C on Thu morning, min 24°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 30 | Friday 1 | Saturday 2 | Sun 3 | |||||||||||||||||||||
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 3 | NNE 4 | NNE 5 | NNE 5 | NNE 5 | NNE 5 | N 5 | NNE 5 | NE 4 | NNE 4 | NNE 4 | N 6 | ESE 5 | NE 5 | ENE 5 | E 5 | E 5 | E 5 | E 5 | E 5 | NE 8 | NE 8 | NE 8 | |
17 | 11 | 29 | 63 | 74 | 62 | 41 | 25 | 32 | 29 | 25 | 16 | 9 | 8 | 6 | 11 | 19 | 20 | 20 | 13 | 14 | 18 | 32 | 31 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | on | on | on | glassy | glassy | off | cross-off | glassy | |
High Tide | 10:39PM0.98m | 8:57AM1.32m | 00:07AM0.97m | 9:09AM1.40m | ||||||||||||||||||||
Low Tide | 4:05PM0.49m | 2:33AM0.87m | 4:42PM0.35m | 2:21AM0.95m | 5:18PM0.24m | |||||||||||||||||||
 | | |  | | | | | | | |  | | | | | | | | | | | | | |
 | 5:24 | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — |
 | — | — | 5:55 | — | — | — | — | — | — | — | 5:57 | — | — | — | — | — | — | — | 5:57 | — | — | — | — | 5:57 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 29 | 30 | 29 | 27 | 26 | 25 | 24 | 26 | 29 | 29 | 29 | 27 | 26 | 25 | 25 | 26 | 29 | 30 | 29 | 27 | 27 | 26 | 25 | 27 |
31 | 31 | 30 | 29 | 29 | 28 | 27 | 29 | 30 | 30 | 31 | 31 | 30 | 29 | 28 | 29 | 31 | 32 | 31 | 32 | 32 | 30 | 28 | 31 | |
Swell 1 Height (m) Direction Period (s) | NE 11 | NE 11 | NE 11 | ENE 10 | ENE 10 | ENE 6 | NE 6 | ENE 5 | ENE 6 | ENE 9 | E 5 | E 5 | ENE 4 | ESE 5 | NE 5 | ENE 5 | E 5 | NNE 6 | NE 6 | E 5 | E 5 | E 6 | E 6 | E 6 |
 kJ | 5 | 5 | 4 | 10 | 10 | 4 | 6 | 8 | 4 | 9 | 5 | 4 | 8 | 8 | 6 | 11 | 19 | 8 | 9 | 13 | 14 | 15 | 15 | 15 |
Swell 2 Height (m) Direction Period (s) | SE 4 | — | ESE 4 | SE 4 | — | ENE 10 | ENE 10 | ENE 6 | ENE 10 | E 5 | ENE 9 | NE 9 | ESE 5 | NE 5 | ESE 5 | ESE 5 | NNE 6 | NE 9 | NE 9 | NE 6 | NE 6 | NE 8 | NE 8 | NE 8 |
| kJ | 1 | — | 2 | 1 | — | 10 | 10 | 4 | 9 | 1 | 8 | 3 | 8 | 6 | 5 | 9 | 8 | 3 | 3 | 9 | 9 | 18 | 32 | 31 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | ENE 10 | ENE 10 | E 5 | SE 5 | SE 5 | NE 6 | NE 9 | NNE 5 | NNE 5 | NNE 5 | NE 9 | SE 5 | — | NE 9 | NE 8 | NNE 6 | — | — |
| kJ | — | — | — | — | — | — | 10 | 9 | 1 | 1 | 1 | 1 | 3 | 6 | 5 | 5 | 3 | 1 | — | 3 | 11 | 6 | — | — |
Wind waves Height (m) Direction Period (s) | NE 7 | NE 3 | NNE 4 | NNE 5 | NNE 5 | NNE 5 | NNE 5 | N 5 | NNE 5 | NE 4 | NNE 4 | NNE 4 | N 6 | N 6 | — | N 5 | — | E 5 | E 5 | — | — | — | — | — |
| kJ | 17 | 11 | 29 | 63 | 74 | 62 | 41 | 25 | 32 | 29 | 25 | 16 | 9 | 5 | — | 5 | — | 20 | 20 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 471 | 1327 | 1717 | 471 | 436 | 0 | 0 | 13 | 1260 | 1327 | 1395 | 1260 | 1260 | 1260 | 1260 | 1297 | 1327 | 1676 | 1676 | 1363 | 1393 | 425 | 13 | 13 |
Best forecast wave conditions in Khánh Hoà | ||||||||||||||||||||||||
Best forecast wave conditions in Vietnam | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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