稜線で午後に風強まる。防寒対策怠らず行動を

The current summit condition of Mt. Hakusan is partly cloudy with a temperature of 8.1℃, feeling like 5.6℃. A significant temperature difference of 8.7℃ exists compared to the base, highlighting the importance of adequate cold weather gear at higher altitudes. The morning offers calm conditions with light winds, ideal for ascent. However, winds are expected to gradually pick up from noon through the afternoon. Gusts are forecast to reach 10.8m/s by 15:00, which will further lower the perceived temperature on exposed ridges such as Gozenmine and Onanjimine.

The ground is free of snow and generally dry. While there's a high chance of precipitation during certain hours, the forecast indicates zero rainfall, suggesting mostly cloudy conditions rather than heavy rain. Some wet spots may be present, and minor patches of residual snow could persist in shaded gullies, but crampons or microspikes are not required on main trails like the Sabo-Shindo. A waterproof and breathable rain suit is essential, serving both as rain protection and a windbreaker. For layering, wear a moisture-wicking base layer, a light fleece or wool mid-layer, and a hard shell as an outer layer. Be prepared with an additional insulating layer, like a down jacket, for breaks or colder conditions.

The risk of lightning is low. However, strong winds in the afternoon can lead to fatigue, and the drop in temperature after sunset (down to 4.1℃ overnight) increases the risk of hypothermia. For those planning longer routes, an early start and a conservative descent schedule are strongly advised.