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Vota Haitan Bay (Haitan Dao)

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Haitan Bay (Haitan Dao) Wind Stats

Wind Stats

(% offshore)
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All Swells

(any wind direction)

This chart shows how frequently and how strongly the wind blows from different directions over a normal April. The largest spokes point in the directions the wind most commonly blows from and the shade of blue implies the strength, with the darkest shade of blue strongest. It is based on 3360 NWW3 forecasts of wind since since 2007, at 3hr intervals, for the closest NWW3 model node to Haitan Bay (Haitan Dao), located 19 km away (12 miles). There are too few recording stations world wide to use actual wind data. Without question some coastal places have very localized wind effects that would not be predicted by NWW3. According to the model, the most common wind at Haitan Bay (Haitan Dao) blows from the NE. If the rose graph shows a fairly circular pattern, it means there is no strong bias in wind direction at Haitan Bay (Haitan Dao). On the other hand, dominant spokes represent favoured directions, and the more deep blue, the stronger the wind. Spokes point in the direction the wind blows from. During a typical April, the model suggests that winds are light enough for the sea to be glassy (pale blue) about 0.5% of the time (0 days each April) and blows offshore just 7% of the time (1 days in an average April). Over an average April wind stronger than >40kph (25mph) was expected for only a single days at Haitan Bay (Haitan Dao)

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Also see Haitan Bay (Haitan Dao) surf stats

Compare Haitan Bay (Haitan Dao) with another surf break

We hope you find the new 12-day forecasts and additional details useful.

Kudos to everyone who helped us debug this over the past 3 months.

Be sure to click on the Advanced Surf option to see extra details about the sea-state. Look out for crossing swells and short period local wind swells and chop that will often spoil a groundswell even if the wind is perfect. As yet there is no allowance for this in the swell rating. This is something we are working on.