For Hokkaido, Hamaatsuma :
No gale warning.
The reliability of the situation is good.
Skies changeable to very cloudy. No precipitation. In the evening, clear periods developing.
No precipitation. SSE force 3 in the morning becoming SE force 2 in the evening. Gusts reaching 15 knots in the middle of the day. Slight sea. Low, short swell from SE. Good visibility becoming excellent in the middle of the day then poor.