CYSP· YSP· Marathon
Marathon Airport
medium airport · elevation 1,035 ft (315 m)
11:56Z 23:12Z Day
⏎
Current METARVFR
14 h 57 min ago·21:00ZCYSP 072100Z 32009G16KT 270V350 15SM FEW042 SCT150 SCT250 14/05 A2958 RMK CU2AC1CI1 CI TR TCU ASOCTD LAST STFD OBS/NEXT 081200Z SLP027 DENSITY ALT 1600FT
Wind
320° 9 kt (gust 16 kt) (var 270°–350°)
Visibility
15 SM
Ceiling
—
Temperature
14°C / 5°C
temp / dew
QNH
1002 hPa
29.58 inHg
Clouds
FEW 4,200ft, SCT 15,000ft, SCT 25,000ft
Weather
—
Station
CYSP
Remarks
CU2AC1CI1 CI TR TCU ASOCTD LAST STFD OBS/NEXT 081200Z sea level pressure of 1002.7 HPa DENSITY ALT 1600FT
Active hazards (US/Canada coverage via AviationWeather.gov)AWC
No active hazards within 250 km.
Wind & Runways
Wind arrow points downwind.
Runways
16/341199 mASP
Runway components
| Runway | Head/Tail | Crosswind |
|---|---|---|
| RWY 16/34 | TW 9 kt | XW 2 kt R |
48.7553°, -86.3444°© CARTOOpen in OSM →
Runway suitabilityconservative GA limits
| Runway | Status | HW (kt) | XW (kt) | Flags |
|---|---|---|---|---|
| RWY 16/34 (use 34) | Preferred | HW 9 | 2 L | — |
Density altitude
1,465 ft
elevation 1,035 ft
ISA deviation
+1.0°C
Frequencies (community-maintained, cross-check AIP)CYSP
- CNTRWINNIPEG CNTR134.075
- RCOWINNIPEG RDO123.550
- UNICATF/UNICOM122.800
Navaids near airportassoc. CYSP
| Ident | Type | Freq | Power |
|---|---|---|---|
| YSP | VOR-DME | 115.90 MHz | HIGH |
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)CYSP
Wind9 kt
Vis24.1 km
Temp14°C
QNH1002 hPa
24-hour wind rose (IEM ASOS, 16 direction bins)n=9
3–6 kt
6–10 kt
10–16 kt
16–22 kt
>22 kt
Airport diagram (OpenStreetMap)Marathon Airport
Diagram unavailable for Marathon Airport.
Terminal Aerodrome Forecast
Issued 2026/10/07 14:00 UTC
07/18Z
BASEVFR
BECMGVFR
FMMVFR
TEMPO MVFR
PROB30 IFR
VFRBASE07/14Z → 07/14ZVRB3KT · 6 SM · FEW020 BKN080
Wind: VRB3KT
Visibility: 6 SM
Clouds: FEW020 BKN080
TAF CYSP 071340Z 0714/0721 VRB03KT P6SM FEW020 BKN080
VFRBECMG07/14Z → 07/16Z2907KT
Wind: 2907KT
BECMG 0714/0716 29007KT
MVFRFM07/18Z → 07/21Z2907KT · 6 SM · BKN030
Wind: 2907KT
Visibility: 6 SM
Clouds: BKN030
FM071800 29007KT P6SM BKN030
MVFRTEMPO07/18Z → 07/21Z6 SM · -SHRA · BKN020
Visibility: 6 SM
Weather: -SHRA
Clouds: BKN020
TEMPO 0718/0721 P6SM -SHRA BKN020
IFRPROB3007/19Z → 07/21Z3 SM · TSRA BR · BKN008 OVC020(CB)sn
Visibility: 3 SM
Weather: TSRA BR
Clouds: BKN008 OVC020(CB)sn
PROB30 0719/0721 3SM TSRA BR BKN008 OVC020CB RMK NXT FCST BY 081400Z
Raw TAF
TAF CYSP 071340Z 0714/0721 VRB03KT P6SM FEW020 BKN080 BECMG 0714/0716 29007KT FM071800 29007KT P6SM BKN030 TEMPO 0718/0721 P6SM -SHRA BKN020 PROB30 0719/0721 3SM TSRA BR BKN008 OVC020CB RMK NXT FCST BY 081400Z
Nearby airports