Public forecast
Using degrees Celsius for public forecast. Weather courtesy of Meteomatics.
Closest aviation weather report (METAR) to Granitehill Lake Seaplane Base
Report is more than 2 hours old.
Closest report is Marathon Airport, 49.7 nm (92.0 km) WSW.
2026/03/15 21:00 (retrieved 6 hours ago)
CYSP 152100Z 06012G21KT 15SM OVC100 M07/M14 A3005 RMK AS8 LAST STFD OBS/NEXT 161200Z SLP202
Closest aviation forecast (TAF) to Granitehill Lake Seaplane Base
Forecast is more than 12 hours old.
Closest forecast is Marathon Airport, 49.7 nm (92.0 km) WSW.
2026/03/15 14:00 (retrieved 13 hours ago)
TAF CYSP 151340Z 1514/1521 07010KT P6SM BKN030 OVC140 TEMPO 1514/1521 P6SM -SN BKN020 OVC120 BECMG 1515/1517 06012G22KT RMK NXT FCST BY 161400Z