For Shirasato :
No gale warning.
The reliability of the situation is good.
Skies with few clouds covering over progressively. No precipitation. In the evening, very cloudy.
No precipitation. NW force 2 in the middle of the day turning SSE in the evening. Gusts reaching 10 knots in the middle of the day. Moderate sea. Moderate, short swell from E then low from NNE in the evening. Excellent visibility.