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 6 hours old.
Closest report is Marathon Airport, 49.7 nm (92.0 km) WSW.
2026/07/02 21:00 (retrieved 14 hours ago)
CYSP 022100Z VRB03KT 15SM FEW004 FEW008 13/11 A2988 RMK ST2CU1 CU TR VIS W QUAD 1 1/2 FG OVR LKSUPR LAST STFD OBS/NEXT 031200Z SLP127
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.
2026/07/02 18:00 Ammendment (retrieved 17 hours ago)
TAF AMD CYSP 021812Z 0218/0221 26005KT 2 1/2SM BR BKN004 TEMPO 0218/0221 6SM BR SCT004 RMK NXT FCST BY 031400Z