Mui Ne. South East Asia's best kept secret. It blows and blows hard constant cross on shore winds 90% probability 10-30 knots+ North Westers (November-April) High Season.
Thermic and frontal cross on shore South Westerlys for the rest of the year 70-40% probability.
Great beaches, secret spots flat water and wave riding spots. Pretty much shore break for most of the main bay with a nice wave riding spot up by the Sailing Club resort/Storm Kiteboarding.
4h drive from Saigon, great selection of buget $10 and midrange $30/110 hotels right on the beach. $1 for a beer and $5 for a main course.
Good food, cheap beer and wind, what more could you want.