For Shirasato :
No gale warning.
The reliability of the situation is very good.
Changeable skies with risk of storms. Light showers progressively becoming less frequent. In the evening, good clear periods but cloud building.
Chance of light rain. ENE wind force 3 from the middle of the day. Gusts reaching 17 knots in the evening. Moderate sea. Low, short swell from ESE. Excellent visibility becoming poor in the evening.