Public forecast
Using degrees Celsius for public forecast. Weather courtesy of Meteomatics.
Closest aviation weather report (METAR) to Happusan Tunnel Heliport
Report is more than 6 hours old.
Closest report is Shinshu-Matsumoto Airport, 32.1 nm (59.4 km) W.
2026/09/01 09:00 (retrieved 6 hours ago)
RJAF 010900Z 16011KT 9999 VCSH FEW030 SCT040 BKN080 27/20 Q1016
Closest aviation forecast (TAF) to Happusan Tunnel Heliport
Closest forecast is Yokota Air Base, 48.8 nm (90.4 km) SE.
2026/09/01 13:00 (retrieved 2 hours ago)
TAF RJTY 011300Z 0113/0219 VRB06KT 9999 BKN015 OVC025 QNH3003INS BECMG 0123/0124 36009KT 9999 FEW015 SCT030 QNH3007INS BECMG 0203/0204 15009KT 9999 SCT015 BKN200 QNH2998INS WND VRB06KT AFT 0215 TEMPO 0207/0210 18010G15KT TX30/0206Z TN23/0121Z