For Hokkaido, Hamaatsuma :
No gale warning.
The reliability of the situation is good.
Fair weather with mostly clear skies. In the evening, mist and fog.
No precipitation. S wind force 3 continuing all day. Gusts reaching 16 knots in the middle of the day. Slight sea becoming moderate in the evening. Low, fairly long swell from SE. Visibility reduced by mist becoming excellent in the middle of the day then reduced by fog.