For Shirako :
No gale warning.
The reliability of the situation is good.
Overcast in the morning, very cloudy in the afternoon. Rain gradually becoming less frequent in the morning, possibility of a few spots in the afternoon. In the evening, very cloudy.
No precipitation. NE force 3 in the morning becoming force 2 in the evening. Gusts reaching 18 knots in the morning. Moderate sea. Low, short swell from SE. Poor visibility becoming excellent in the middle of the day then good.