Public forecast
Using degrees Celsius for public forecast. Weather courtesy of Meteomatics.
Closest aviation weather report (METAR) to Granitehill Lake Seaplane Base
Closest report is Marathon Airport, 49.7 nm (92.0 km) WSW.
2026/10/06 14:25 (retrieved 32 minutes ago)
CYSP 061425Z 18010G21KT 140V210 15SM SCT013 BKN170 10/07 A2987 RMK SC4AC3 SLP129
Closest aviation forecast (TAF) to Granitehill Lake Seaplane Base
Closest forecast is Marathon Airport, 49.7 nm (92.0 km) WSW.
2026/10/06 14:00 (retrieved 57 minutes ago)
TAF CYSP 061340Z 0614/0621 18010KT P6SM SCT020 BKN100 TEMPO 0614/0617 BKN020 BKN100 BECMG 0614/0616 18012G25KT FM061700 18015G30KT 5SM -SHRA BR BKN020 OVC080 TEMPO 0617/0619 P6SM NSW BKN030 OVC100 PROB30 0617/0619 2SM TSRA BR BKN010 OVC030CB FM061900 18015G30KT P6SM FEW020 OVC030 RMK NXT FCST BY 071400Z