Also known as: Sihwaho, Lake Sihwa, Sihwa Ho
Dike and tidal flat setting, industrial edge; moderate

Wind, water and season at this Gyeonggi Province, South Korea spot - what to expect and when to come.
Mar to May and Sep to Nov best; NW monsoon in winter
Thermal and NW gradient, moderate approx 12-22 kn (est). Confirm.
Moderate. Confirm.
Spring and autumn
Water level affected by tidal exchange through the power plant
Summer monsoon rain; gusty offshore possible near shore structures
Flat to choppy
Shallow near shore over tidal flats (est)
Cold outside summer approx 2-8 C winter; approx 22-25 C summer (est)
5/4 winter; 3/2 or shorty summer
Beginner to intermediate
2 (Easy)
Flatwater suits beginners and freeride progression
Good day trip from Seoul
Shore launch; road access approx 1 hr from Seoul
Car; within Seoul metropolitan reach
Seoul-area kite community; nearest schools operate on the Han River at Ttukseom. VERIFY on-site operator.
Limited on the water; amenities on Daebudo and Oido
Sihwa tidal power plant, Daebudo, Oido waterfront
Small local rider group, low-key
None documented
Permits and operators change - confirm before booking.
Shallow mud flats, industrial shoreline, tidal current near the dike
General 119; coast guard 122
This profile is desk research, compiled from public sources - not a first-hand wind-sport spot report. Coordinates are approximate.