For Hokkaido, Hamaatsuma :
No gale warning.
The reliability of the situation is very good.
Overcast skies with risk of thundery outbreaks. Possibility of showers In the evening, overcast skies with risk of thundery outbreaks.
Possibility of showers S wind force 2 from the middle of the day. Gusts reaching 11 knots in the middle of the day. Slight sea. Low, short swell from SE. Visibility reduced by mist becoming reduced by dense fog in the evening.