Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Lang Co surfForecast / Da Nang / Vietnam
48hr Weather and Surf, issued 12 pm Friday 19 Dec 2025 +07Forecast update in hr min s Forecast update imminent
Lang Co surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Lang Co sea temperature is
23.8° C
(Which is slightly cooler than normal)How big are the waves at Lang Co today?
The current surf forecast for Lang Co at 7PM is: 1.4m 9s primary swell from a East-northeast direction and 0.3m 5s secondary swell from a North direction, 0.3m 5s secondary swell from a North-northwest direction (forecast issued at 12:00pm December 19). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (+07) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Dec) | 5ft (1.5m) | 9s |
| Afternoon (19 Dec) | 4.5ft (1.4m) | 9s |
| Evening (19 Dec) | 4.5ft (1.4m) | 9s |
Table - waves today at Lang Co. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | |||||||||||||||||||||
| 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) (?) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 351 | 308 | 315 | 333 | 333 | 333 | 274 | 286 | 286 | 286 | 404 | 273 | 267 | 249 | 343 | 504 | 452 | 704 | 587 | 587 | 687 | 809 | 954 | 1211 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross | glass | glass | glass | glass | glass | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on | on | on |
High Tide / height (m) | 9:24PM 0.76 | 12:07PM 0.64 | 10:00PM 0.78 | 12:46PM 0.65 | 10:36PM 0.79 | |||||||||||||||||||
Low Tide / height (m) | 3:36PM 0.53 | 4:55AM 0.10 | 4:15PM 0.53 | 5:31AM 0.07 | 4:52PM 0.54 | 6:07AM 0.06 | ||||||||||||||||||
Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:09 | - | - | - | - | - | - | - | 6:09 | - | - | - | - | - | - | - | 6:09 |
| Sunset | - | - | 5:19 | - | - | - | - | - | - | - | 5:19 | - | - | - | - | - | - | - | 5:20 | - | - | - | - | - |
 | | |  | | |  | | |  | |  | | | | | |  | |  | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 3 | 5 | 4 | 2 | 2 | 4 | 4 | 3 | 4 | 3 |
| Temp. °C | 23 | 24 | 23 | 22 | 22 | 21 | 21 | 22 | 24 | 24 | 23 | 23 | 22 | 23 | 23 | 23 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 |
| Feels °C (?) | 25 | 26 | 25 | 25 | 25 | 23 | 23 | 25 | 27 | 27 | 26 | 26 | 25 | 25 | 26 | 24 | 26 | 25 | 25 | 23 | 23 | 24 | 24 | 24 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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