Surf Forecasts:
How big are the waves at Haitan Bay (Haitan Dao) today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 3.5ft (1.0m), 6s period with S swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 2.5ft (0.8m), 6s period with S swell.
- Evening surf: Evening surf (21 Aug, local time) - 2.5ft (0.7m), 6s period with S swell.
The current surf forecast for Haitan Bay (Haitan Dao) at 11AM is: 1.2m 6s primary swell from a South-southwest direction and 0.7m 8s secondary swell from a East-northeast direction (forecast issued at 07:00am August 21). An open ocean swell of 0.9m 6s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (CST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 3.5ft (1.0m) | 6s |
| Afternoon (21 Aug) | 2.5ft (0.8m) | 6s |
| Evening (21 Aug) | 2.5ft (0.7m) | 6s |
Table - waves today at Haitan Bay (Haitan Dao). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 38mm), heaviest during Sat night. Warm (max 28°C on Fri afternoon, min 27°C on Fri morning). Winds increasing (light winds from the ESE on Sun morning, strong winds from the ENE by Sun night). | |||||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | |||||||||||||||||||||
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) | S 6 | S 6 | SSW 6 | S 6 | ENE 8 | S 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | S 5 | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | E 10 | E 10 | E 8 | ENE 8 | ENE 5 | E 6 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 80 | 67 | 97 | 52 | 44 | 31 | 31 | 30 | 29 | 29 | 55 | 85 | 144 | 0 | 0 | 138 | 99 | 0 | 0 | 0 | 133 | 0 | 0 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross-on | cross | cross | cross-off | off | off | cross-off | cross-off |
High Tide | 3:50AM4.53m | 5:24PM4.46m | 5:04AM4.29m | 6:49PM4.47m | 6:30AM4.26m | 7:57PM4.67m | |||||||||||||||||
Low Tide | 10:29AM1.71m | 11:04PM2.69m | 11:38AM1.84m | 00:26AM2.77m | 12:54PM1.78m | ||||||||||||||||||
 |  | | |  |  | | | | | | | | | | | | | | | | |  | |
 | 5:35 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — |
 | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:29 | — | — |
mm | 3 | 3 | 1 | 1 | — | — | 1 | 1 | 3 | 3 | 2 | 1 | — | 1 | 2 | 3 | 4 | 2 | 1 | 1 | 2 | 1 | — |
Temp °C | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 27 | 28 | 27 |
Feels °C | 29 | 29 | 29 | 31 | 31 | 30 | 29 | 30 | 31 | 30 | 31 | 27 | 27 | 28 | 29 | 29 | 31 | 31 | 33 | 30 | 27 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | ENE 8 | ENE 8 | S 6 | ENE 8 | ENE 8 | ENE 7 | S 9 | S 9 | ENE 7 | S 9 | ENE 8 | ENE 8 | ENE 8 | E 8 | ENE 7 | ENE 7 | E 11 | S 6 | E 10 | E 8 | S 9 | S 9 | S 9 |
| kJ | 81 | 63 | 56 | 45 | 44 | 31 | 58 | 58 | 29 | 57 | 35 | 36 | 37 | 32 | 17 | 15 | 38 | 64 | 89 | 90 | 94 | 74 | 74 |
Swell 2 Height (m) Direction Period (s) | — | S 9 | ENE 8 | S 9 | S 9 | S 9 | ENE 7 | ENE 7 | S 9 | ENE 7 | S 9 | — | — | E 12 | E 11 | E 10 | ENE 7 | E 10 | S 6 | S 6 | E 8 | ENE 8 | E 10 |
| kJ | — | 26 | 62 | 24 | 39 | 41 | 31 | 30 | 41 | 29 | 40 | — | — | 3 | 3 | 17 | 9 | 104 | 35 | 35 | 66 | 22 | 50 |
Swell 3 Height (m) Direction Period (s) | — | — | S 9 | — | — | — | — | — | — | — | — | — | — | — | — | E 10 | ENE 8 | S 8 | S 9 | S 9 | E 10 | — | — |
| kJ | — | — | 24 | — | — | — | — | — | — | — | — | — | — | — | — | 31 | 6 | 34 | 39 | 39 | 33 | — | — |
Wind waves Height (m) Direction Period (s) | S 6 | S 6 | SSW 6 | S 6 | S 6 | S 6 | S 5 | S 6 | S 6 | S 5 | S 5 | S 6 | S 6 | S 6 | S 6 | S 6 | S 6 | — | — | — | ENE 8 | ENE 5 | E 6 |
| kJ | 80 | 67 | 97 | 52 | 30 | 30 | 21 | 32 | 43 | 47 | 55 | 85 | 144 | 193 | 187 | 138 | 99 | — | — | — | 133 | 94 | 162 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 187 | 173 | 173 | 1295 | 219 | 219 | 219 | 219 | 173 | 173 | 173 | 187 | 220 | 220 | 173 | 173 | 142 | 371 | 405 | 216 | 218 | 371 | 307 |
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