For Shirako :
No gale warning.
The reliability of the situation is good.
Fair weather with mostly clear skies. In the evening, fair weather with mostly clear skies.
NE force 2 turning SE force 3 in the middle of the day then SSE force 2. Gusts reaching 12 knots in the evening. Slight sea. Low, short swell from ENE. Excellent visibility becoming excellent in the evening.