For Seiun Maru :
No gale warning.
The reliability of the situation is good.
Cloud and sun in the morning, good clear periods with lots of cloud in the afternoon. The risk of seeing rain will remain low. In the evening, good clear periods but lots of cloud, too.
Chance of light rain. ENE force 2 turning NW force 3 in the middle of the day then N. Smooth to slight sea. Low, short swell from NNW. Excellent visibility becoming good in the evening.