For Hirokawa Maru - Bonegi 1 :
No gale warning.
The reliability of the situation is good.
Cloud and sun in the morning, very cloudy with possibility of thunder storms in the afternoon. Risk of some spots of rain in the morning, possibility of showers in the afternoon. In the evening, very cloudy with risk of storms.
Possibility of showers ESE force 2 in the morning temporarily SW force 1 in the middle of the day. Gusts reaching 7 knots from the middle of the day. Slight sea. Low, short swell from SSE. Poor visibility temporarily in the middle of the day.