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Surf Forecasts:
Dark Reef surfForecast / Khánh Hoà / Vietnam
48hr Weather and Surf, issued 12 am Saturday 30 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
30.6° C
(Which is 1.3°C warmer than normal for this time of year)How big are the waves at Dark Reef today (30 May):
- Morning surf: Morning surf (30 May, local time) - 0.5ft (0.1m), 12s period with NE swell.
- Afternoon surf: Afternoon surf (30 May, local time) - 0.5ft (0.2m), 12s period with ENE swell.
- Evening surf: Evening surf (30 May, local time) - 0.5ft (0.2m), 11s period with ENE swell.
The current surf forecast for Dark Reef at 7AM is: 0.1m 12s primary swell from a Northeast direction and 0.1m 10s secondary swell from a Northeast direction (forecast issued at 12:00am May 30). An open ocean swell of 0.3m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (+07) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 May) | 0.5ft (0.1m) | 12s |
| Afternoon (30 May) | 0.5ft (0.2m) | 12s |
| Evening (30 May) | 0.5ft (0.2m) | 11s |
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 18mm), heaviest on Fri night. Warm (max 31°C on Sun morning, min 26°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 30 | Sunday 31 | Monday 1 | ||||||||||||||||||||||
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 | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
ENE 13 | NE 12 | NE 12 | NE 12 | NE 12 | ENE 12 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | NE 10 | NE 10 | NE 4 | NE 10 | NE 10 | NE 10 | NE 9 | ENE 9 | |
16 | 6 | 6 | 6 | 6 | 13 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 8 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross-off | cross-off | glassy | cross-on | on | glassy | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | cross-on | glassy | cross-off | cross-off | cross-off | on | on | cross-on | cross | cross-off | |
High Tide | 7:53AM1.44m | 8:18AM1.49m | 8:47AM1.53m | |||||||||||||||||||||
Low Tide | 4:38PM0.20m | 5:13PM0.13m | 5:50PM0.09m | |||||||||||||||||||||
 | |  | | |  | |  |  | | | | | | | | | |  | | | | | | |
 | — | 5:16 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:04 | — | — | — | — | — | — | — | 6:04 | — | — | — | — | — | — | — | 6:04 | — | — |
2 | 2 | 3 | 2 | 1 | — | 1 | — | — | — | — | — | — | 1 | 2 | 1 | 1 | — | — | — | — | — | 1 | 1 | |
Temp °C | 27 | 26 | 27 | 28 | 30 | 29 | 28 | 27 | 26 | 26 | 27 | 31 | 30 | 29 | 28 | 27 | 27 | 26 | 27 | 30 | 31 | 30 | 28 | 27 |
32 | 30 | 31 | 33 | 33 | 33 | 33 | 31 | 30 | 29 | 30 | 34 | 32 | 31 | 32 | 32 | 31 | 30 | 31 | 33 | 33 | 33 | 32 | 31 | |
Swell 1 Height (m) Direction Period (s) | SSW 6 | SSW 5 | S 5 | S 5 | S 5 | ENE 12 | ENE 11 | SSW 5 | ENE 11 | ENE 11 | S 5 | S 5 | S 5 | SSW 6 | SSW 6 | SSW 6 | S 6 | S 6 | SSW 6 | SSW 6 | ENE 4 | ENE 4 | E 4 | ENE 9 |
 kJ | 10 | 9 | 5 | 2 | 2 | 13 | 12 | 3 | 12 | 11 | 2 | 2 | 2 | 6 | 6 | 12 | 19 | 18 | 12 | 11 | 1 | 1 | 1 | 8 |
Swell 2 Height (m) Direction Period (s) | ENE 13 | NE 12 | NE 10 | NE 10 | NE 10 | S 5 | S 5 | ENE 11 | SSW 6 | — | ENE 11 | ENE 11 | ENE 11 | ENE 10 | ENE 10 | NE 3 | NE 3 | NE 3 | NE 4 | ENE 4 | NE 10 | NE 10 | NE 9 | SSW 7 |
| kJ | 16 | 6 | 4 | 4 | 4 | 2 | 2 | 12 | 4 | — | 11 | 11 | 11 | 11 | 10 | 2 | 2 | 2 | 2 | 1 | 4 | 4 | 3 | 4 |
Swell 3 Height (m) Direction Period (s) | NE 13 | NE 10 | NE 12 | NE 12 | NE 12 | — | — | — | S 5 | SW 6 | E 3 | E 3 | — | — | ENE 3 | ENE 10 | NE 10 | NE 10 | NE 10 | NE 10 | S 6 | — | SW 7 | E 4 |
| kJ | 6 | 4 | 6 | 6 | 6 | — | — | — | 1 | 1 | 1 | 1 | — | — | 1 | 10 | 4 | 4 | 4 | 4 | 1 | — | 2 | 1 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | ENE 3 | ENE 3 | — | — | — | NE 3 | NE 3 | NE 3 | — | — | — | NNW 3 | — | SSW 6 | S 6 | S 5 | S 5 |
| kJ | — | — | — | — | — | — | — | 1 | 1 | — | — | — | 2 | 3 | 1 | — | — | — | 1 | — | 11 | 24 | 15 | 16 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1289 | 1289 | 1289 | 1289 | 1395 | 1282 | 1282 | 1012 | 1012 | 1012 | 1012 | 1282 | 1289 | 1393 | 1012 | 1012 | 1012 | 778 | 778 | 1012 | 1393 | 1240 | 425 | 425 |
Best forecast wave conditions in Khánh Hoà | ||||||||||||||||||||||||
Best forecast wave conditions in Vietnam | ||||||||||||||||||||||||
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