DM
Datamask Aviation
METAR · TAF · OPMET
CYSP· YSP· Marathon

Marathon Airport

medium airport · elevation 1,035 ft (315 m)
10:38Z 00:50Z Day
Current METARVFR
1 h 44 min ago·21:00Z
CYSP 242100Z 35003KT 6SM -RA BR FEW004 OVC035 04/04 A2978 RMK ST2SC6 LAST STFD OBS/NEXT 251200Z SLP099
Wind
350° 3 kt
Visibility
6 SM
Ceiling
3,500 ft
Temperature
4°C / 4°C
temp / dew
QNH
1008 hPa
29.78 inHg
Clouds
FEW 400ft, OVC 3,500ft
Weather
-RA · BR
Station
CYSP
Remarks
ST2SC6 LAST STFD OBS/NEXT 251200Z sea level pressure of 1009.9 HPa
Active hazards (US/Canada coverage via AviationWeather.gov)AWC
No active hazards within 250 km.
Wind & Runways
NESW3 kt350°
Wind arrow points downwind.
Runways
16/341199 mASP
Runway components
RunwayHead/TailCrosswind
RWY 16/34TW 3 ktXW 1 kt L
48.7553°, -86.3444°© CARTOOpen in OSM →
Runway suitabilityconservative GA limits
RunwayStatusHW (kt)XW (kt)Flags
RWY 16/34 (use 34)MarginalHW 31 RModerate weather (precip / low visibility)
Density altitude
103 ft
elevation 1,035 ft
ISA deviation
-9.0°C
Frequencies (community-maintained, cross-check AIP)CYSP
  • CNTRWINNIPEG CNTR134.075
  • RCOWINNIPEG RDO123.550
  • UNICATF/UNICOM122.800
Navaids near airportassoc. CYSP
IdentTypeFreqPower
YSPVOR-DME115.90 MHzHIGH
Runways1

Physical runway length only — TORA/LDA are not declared in our reference database; consult the AIP.

  • RWY 16/343,933 ft (1,199 m)
    Surface
    ASP
    Lighting
    Lit
    ILS
24-hour trend (Iowa State IEM)
No 24-h trend available — IEM archive.
24-hour wind rose (IEM ASOS, 16 direction bins)
24-hour wind rose unavailable (insufficient IEM data).
Airport diagram (OpenStreetMap)Marathon Airport
H
Terminal Aerodrome Forecast
Issued 2026/04/24 19:00 UTC
LIFRBASE24/19Z → 24/21Z0806KT · 2.5 SM · -SHRA BR · BKN003 OVC030
Wind: 0806KT
Visibility: 2.5 SM
Weather: -SHRA BR
Clouds: BKN003 OVC030
TAF AMD CYSP 241916Z 2419/2421 08006KT 2 1/2SM -SHRA BR BKN003 OVC030
MVFRTEMPO24/19Z → 24/21Z6 SM · -SHRA BR · SCT003 OVC030
Visibility: 6 SM
Weather: -SHRA BR
Clouds: SCT003 OVC030
TEMPO 2419/2421 6SM -SHRA BR SCT003 OVC030 RMK NXT FCST BY 251400Z
Raw TAF
TAF AMD CYSP 241916Z 2419/2421 08006KT 2 1/2SM -SHRA BR BKN003 OVC030 TEMPO 2419/2421 6SM -SHRA BR SCT003 OVC030 RMK NXT FCST BY 251400Z
Nearby airports