For Hokkaido, Hamaatsuma :
No gale warning.
The reliability of the situation is very good.
Very cloudy skies to overcast. No precipitation. In the evening, very cloudy skies becoming totally overcast.
No precipitation. N wind force 2 from the middle of the day. Gusts reaching 11 knots in the middle of the day. Smooth to slight sea. Low, fairly long swell from SSE. Excellent visibility.