For Hokkaido, Hamaatsuma :
No gale warning.
The reliability of the situation is very good.
Some fair-weather cumulus clouds. In the evening, skies with few clouds.
NNW wind force 4 from the middle of the day. Gusts reaching 25 knots in the middle of the day. Moderate sea. Low, short swell from SE. Excellent visibility becoming reduced by mist in the evening.