Surf Forecasts:
How big are the waves at Dadonghai today (17 Aug):
- Morning surf: Morning surf (17 Aug, local time) - 2.5ft (0.7m), 7s period with SSE swell.
- Afternoon surf: Afternoon surf (17 Aug, local time) - 2.5ft (0.7m), 8s period with SSE swell.
- Evening surf: Evening surf (17 Aug, local time) - 2.5ft (0.8m), 8s period with SSE swell.
The current surf forecast for Dadonghai at 12PM is: 0.7m 7s primary swell from a South-southeast direction and 0.9m 5s secondary swell from a West-southwest direction (forecast issued at 07:00am August 17). An open ocean swell of 0.1m 10s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Aug) | 2.5ft (0.7m) | 7s |
| Afternoon (17 Aug) | 2.5ft (0.7m) | 8s |
| Evening (17 Aug) | 2.5ft (0.8m) | 8s |
Table - waves today at Dadonghai. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 46mm), heaviest during Wed night. Warm (max 32°C on Mon afternoon, min 25°C on Wed night). Wind will be generally light. | |||||||||||||||||||||||
Monday 17 | Tuesday 18 | Wednesday 19 | |||||||||||||||||||||
5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SSE 7 | SSE 7 | SSE 7 | SSE 8 | SSE 7 | SSE 7 | SSE 8 | SSE 8 | SSE 8 | SSE 7 | S 8 | S 8 | SSE 7 | S 7 | SSE 8 | S 8 | S 8 | S 8 | S 8 | WSW 6 | WSW 6 | W 6 | WSW 6 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 73 | 54 | 52 | 58 | 57 | 73 | 77 | 77 | 75 | 55 | 61 | 50 | 52 | 36 | 70 | 64 | 45 | 46 | 49 | 111 | 151 | 165 | 104 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | glassy | cross-off | glassy | cross-off | cross-off | cross | cross | cross-off | cross | cross |
High Tide | 1:54PM1.08m | 2:24AM1.13m | 2:41PM0.87m | 2:56AM1.23m | 3:36PM0.70m | ||||||||||||||||||
Low Tide | 7:42AM0.52m | 7:59PM0.52m | 8:58AM0.52m | 7:55PM0.57m | 10:26AM0.51m | 7:39PM0.59m | |||||||||||||||||
 |  | | |  |  | | | | | | |  | |  | | | | | | | | | |
 | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:06 | — | — |
mm | — | — | — | — | — | 1 | 1 | 1 | 1 | — | — | — | 2 | 5 | — | 4 | 2 | 1 | 3 | 4 | 3 | 13 | 4 |
Temp °C | 27 | 28 | 31 | 32 | 31 | 29 | 29 | 28 | 27 | 29 | 31 | 31 | 30 | 28 | 28 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 26 |
Feels °C | 31 | 32 | 34 | 34 | 34 | 33 | 34 | 32 | 30 | 33 | 34 | 33 | 34 | 34 | 33 | 32 | 32 | 32 | 31 | 30 | 31 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | SSE 7 | SSE 7 | SSE 7 | SSE 8 | SSE 7 | SSE 7 | SSE 8 | SSE 8 | SSE 8 | SSE 7 | S 8 | S 8 | SSE 7 | WSW 5 | SSE 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 |
| kJ | 73 | 54 | 52 | 58 | 57 | 73 | 77 | 77 | 75 | 55 | 61 | 41 | 52 | 30 | 70 | 64 | 45 | 46 | 49 | 45 | 43 | 43 | 45 |
Swell 2 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 10 | E 10 | WSW 5 | WSW 5 | E 10 | E 9 | E 11 | E 11 | E 11 | E 11 | S 7 | WSW 5 | W 5 | WSW 4 | WSW 4 | E 10 | E 10 | E 10 | E 10 | E 11 |
| kJ | 2 | 2 | 2 | 2 | 2 | 20 | 13 | 2 | 2 | 2 | 2 | 2 | 2 | 36 | 19 | 11 | 6 | 3 | 2 | 2 | 2 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | — | E 10 | — | — | — | E 10 | E 10 | — | E 11 | — | — | — | E 9 | SSE 9 | E 9 | E 10 | E 10 | E 10 | — | E 9 | E 9 | E 9 | — |
| kJ | — | 2 | — | — | — | 2 | 2 | — | 2 | — | — | — | 2 | 26 | 2 | 2 | 2 | 2 | — | 2 | 2 | 2 | — |
Wind waves Height (m) Direction Period (s) | W 5 | WSW 5 | WSW 5 | WSW 5 | WSW 5 | — | — | WSW 4 | WSW 4 | WSW 5 | WSW 5 | WSW 5 | WSW 5 | — | — | — | W 4 | W 4 | WSW 5 | WSW 6 | WSW 6 | W 6 | WSW 6 |
| kJ | 17 | 37 | 51 | 37 | 35 | — | — | 7 | 24 | 44 | 48 | 50 | 48 | — | — | — | 6 | 12 | 46 | 111 | 151 | 165 | 104 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 14 | 14 | 661 | 1243 | 1243 | 14 | 14 | 14 | 14 | 51 | 87 | 1668 | 14 | 14 | 14 | 14 | 14 | 14 | 51 | 51 | 14 | 14 | 14 |
Best forecast wave conditions in Hainan | |||||||||||||||||||||||
Best forecast wave conditions in China | |||||||||||||||||||||||
Header Global | |||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Dadonghai surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest