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Surf Forecasts:
Dark Reef surfForecast / Khánh Hoà / Vietnam
48hr Weather and Surf, issued 12 am Tuesday 19 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
30.3° C
(Which is slightly warmer than usual)How big are the waves at Dark Reef today?
The current surf forecast for Dark Reef at 6AM is: 0.6m 9s primary swell from a Northeast direction and 0.7m 4s secondary swell from a South-southeast direction (forecast issued at 12:00am May 19). The wind direction is predicted to be glassy.
| Time (+07) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | 2ft (0.6m) | 9s |
| Afternoon (19 May) | 2ft (0.6m) | 9s |
| Evening (19 May) | 3.5ft (1.1m) | 5s |
Table - waves today at Dark Reef. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 6mm), mostly falling on Mon night. Warm (max 31°C on Wed morning, min 26°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 19 | Wednesday 20 | Thursday 21 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
NE 8 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | S 5 | S 5 | NE 8 | NE 8 | NE 8 | NE 8 | S 5 | S 5 | S 5 | S 5 | S 5 | S 5 | S 5 | S 5 | NE 9 | SSE 5 | S 5 | S 5 | |
26 | 53 | 51 | 50 | 62 | 47 | 71 | 60 | 43 | 42 | 33 | 31 | 42 | 74 | 97 | 62 | 43 | 41 | 35 | 27 | 26 | 35 | 47 | 45 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | off | glassy | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | cross | cross-off | |
High Tide | 9:54AM1.79m | 10:39AM1.79m | 11:27AM1.74m | |||||||||||||||||||||
Low Tide | 7:07PM-0.15m | 8:04PM-0.10m | 9:02PM-0.01m | |||||||||||||||||||||
 |  |  |  | | | | | | | |  | |  | | | | | | | | |  | | |
 | — | 5:18 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | 1 | — | |
Temp °C | 27 | 26 | 27 | 29 | 30 | 30 | 29 | 28 | 27 | 27 | 27 | 30 | 31 | 30 | 29 | 28 | 27 | 27 | 28 | 31 | 31 | 31 | 28 | 28 |
31 | 30 | 32 | 32 | 32 | 31 | 31 | 32 | 31 | 31 | 31 | 33 | 32 | 31 | 32 | 32 | 31 | 31 | 32 | 33 | 31 | 32 | 31 | 33 | |
Swell 1 Height (m) Direction Period (s) | NE 8 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 |
 kJ | 24 | 53 | 51 | 50 | 62 | 47 | 45 | 44 | 43 | 42 | 33 | 31 | 31 | 21 | 21 | 22 | 16 | 20 | 21 | 21 | 21 | 13 | 13 | 13 |
Swell 2 Height (m) Direction Period (s) | NE 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 16 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 4 | S 4 | SSE 4 | SSE 4 | SSE 4 | S 5 | S 5 | S 5 | S 5 | S 4 | S 4 | S 4 | S 5 | S 5 | S 5 | S 5 | S 5 | S 5 | S 5 | S 5 | SSE 4 | SSE 5 | S 5 | S 5 |
| kJ | 26 | 24 | 19 | 15 | 17 | 42 | 71 | 60 | 34 | 23 | 22 | 31 | 42 | 74 | 97 | 62 | 43 | 41 | 35 | 27 | 26 | 35 | 47 | 45 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 425 | 471 | 1395 | 425 | 0 | 0 | 0 | 13 | 455 | 911 | 455 | 425 | 0 | 13 | 0 | 13 | 425 | 677 | 728 | 425 | 5 |
Best forecast wave conditions in Khánh Hoà | ||||||||||||||||||||||||
Best forecast wave conditions in Vietnam | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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