For Seiun Maru :
No gale warning.
The reliability of the situation is good.
Good clear periods but lots of cloud, too. Chance of light rain. In the evening, good clear periods but lots of cloud, too.
Chance of light rain. NW force 3 in the middle of the day turning N in the evening. Smooth to slight sea. Low, short swell from NNW. Excellent visibility becoming good in the evening.