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METAR · TAF · OPMET
CYOW· YOW· Ottawa

Ottawa Macdonald-Cartier International Airport

large airport · elevation 374 ft (114 m)
10:03Z 00:00Z Day
Current METARVFR
53 min ago·19:00Z
CYOW 241900Z 00000KT 15SM SKC 13/M06 A2989 RMK SLP125
Wind
Calm
Visibility
15 SM
Ceiling
SKC
Temperature
13°C / −6°C
temp / dew
QNH
1012 hPa
29.89 inHg
Clouds
SKC
Weather
Station
CYOW
Remarks
sea level pressure of 1012.5 HPa
Active hazards (US/Canada coverage via AviationWeather.gov)AWC
No active hazards within 250 km.
Wind & Runways
NESW0 kt000°
Wind arrow points downwind.
Runways
04/221006 mASP
07/252438 mASP
14/323048 mASP
45.3225°, -75.6692°© CARTOOpen in OSM →
Density altitude
257 ft
elevation 374 ft
ISA deviation
-1.3°C
Frequencies (community-maintained, cross-check AIP)CYOW
  • ATISEnglish ATIS121.150
  • ATISFrench ATIS132.950
  • GNDOttawa Ground121.900
  • TWROttawa Tower118.800
  • DEPOttawa Departures128.175
  • ARROttawa Arrivals135.150
  • CLNC DELOttawa Clearance119.400
  • RCOQuebec Radio123.150
  • TMLOttawa Terminal127.700
Navaids near airportassoc. CYOW
IdentTypeFreqPower
IOWDME109.50 MHzLOW
OWNDB236 kHzLOW
YOWVOR-DME114.60 MHzHIGH
YRRNDB377 kHzLOW
Runways3

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

  • RWY 04/223,300 ft (1,006 m)
    Surface
    ASP
    Lighting
    ILS
  • RWY 07/258,000 ft (2,438 m)
    Surface
    ASP
    Lighting
    Lit
    ILS
  • RWY 14/3210,000 ft (3,048 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)Ottawa Macdonald-Cartier International Airport
HHHHHHHH072532140422
Terminal Aerodrome Forecast
Issued 2026/04/24 18:42 UTC
VFRBASE24/18Z → 24/21Z02010KT · 6 SM · SKC
Wind: 02010KT
Visibility: 6 SM
Clouds: SKC
TAF CYOW 241740Z 2418/2524 02010KT P6SM SKC
VFRBECMG24/21Z → 24/23Z0705KT
Wind: 0705KT
BECMG 2421/2423 07005KT
VFRFM25/02Z → 25/03Z0805KT · 6 SM · BKN060
Wind: 0805KT
Visibility: 6 SM
Clouds: BKN060
FM250200 08005KT P6SM BKN060
VFRFM25/03Z → 25/07Z1008KT · 6 SM · SKC
Wind: 1008KT
Visibility: 6 SM
Clouds: SKC
FM250300 10008KT P6SM SKC
VFRBECMG25/07Z → 25/09Z0608KT
Wind: 0608KT
BECMG 2507/2509 06008KT
VFRBECMG25/11Z → 25/13Z07010G20KT
Wind: 07010G20KT
BECMG 2511/2513 07010G20KT
VFRFM25/20Z → 26/00Z07010KT · 6 SM · BKN240
Wind: 07010KT
Visibility: 6 SM
Clouds: BKN240
FM252000 07010KT P6SM BKN240 RMK NXT FCST BY 242100Z
Raw TAF
TAF CYOW 241740Z 2418/2524 02010KT P6SM SKC BECMG 2421/2423 07005KT FM250200 08005KT P6SM BKN060 FM250300 10008KT P6SM SKC BECMG 2507/2509 06008KT BECMG 2511/2513 07010G20KT FM252000 07010KT P6SM BKN240 RMK NXT FCST BY 242100Z
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