For Hokkaido, Hamaatsuma :
No gale warning.
The reliability of the situation is good.
Dark, overcast skies with cloud and bad weather. Some showers in the morning, rain in the afternoon. In the evening, overcast and misty, reduced visibility.
Rain. SE force 2 becoming ESE force 3 in the middle of the day then E force 2. Gusts reaching 18 knots in the middle of the day. Moderate sea becoming rough in the middle of the day. Low, fairly long swell from SE. Visibility reduced by fog becoming reduced by fog in the middle of the day then reduced by dense fog.