For Onjuku :
No gale warning.
The reliability of the situation is very good.
Some fair-weather cumulus clouds. In the evening, good clear periods but cloud building.
No precipitation. WSW force 4 in the middle of the day turning NNW in the evening. Gusts reaching 27 knots in the middle of the day. Rough sea becoming moderate in the evening. Low, fairly long swell from E. Excellent visibility.