DM
Datamask Aviation
METAR · TAF · OPMET
CYOW· YOW· Ottawa

Ottawa Macdonald-Cartier International Airport

large airport · elevation 374 ft (114 m)
10:14Z 23:58Z Day
Current METARVFR
1 h 2 min ago·18:00Z
CYOW 231800Z 16007G15KT 15SM SCT020 BKN110 22/19 A2968 RMK CU4AC1 SLP052 DENSITY ALT 1600FT
Wind
160° 7 kt (gust 15 kt)
Visibility
15 SM
Ceiling
11,000 ft
Temperature
22°C / 19°C
temp / dew
QNH
1005 hPa
29.68 inHg
Clouds
SCT 2,000ft, BKN 11,000ft
Weather
Station
CYOW
Remarks
CU4AC1 sea level pressure of 1005.2 HPa DENSITY ALT 1600FT
Active hazards (US/Canada coverage via AviationWeather.gov)AWC
No active hazards within 250 km.
Wind & Runways
NESW7 kt160°G15
Wind arrow points downwind.
Runways
04/221006 mASP
07/252438 mASP
14/323048 mASP
Runway components
RunwayHead/TailCrosswind
RWY 04/22TW 5 ktXW 5 kt R
RWY 07/25TW 2 ktXW 7 kt R
RWY 14/32HW 6 ktXW 4 kt R
45.3225°, -75.6692°© CARTOOpen in OSM →
Runway suitabilityconservative GA limits
RunwayStatusHW (kt)XW (kt)Flags
RWY 14/32 (use 14)PreferredHW 64 R
RWY 04/22 (use 22)UsableHW 55 L
RWY 07/25 (use 25)UsableHW 27 L
Density altitude
1,526 ft
elevation 374 ft
ISA deviation
+7.7°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
Diagram unavailable for Ottawa Macdonald-Cartier International Airport.
Terminal Aerodrome Forecast
Issued 2026/08/23 18:42 UTC
VFRBASE23/18Z → 24/00Z17012KT · 6 SM · SCT015 BKN110
Wind: 17012KT
Visibility: 6 SM
Clouds: SCT015 BKN110
TAF CYOW 231741Z 2318/2424 17012KT P6SM SCT015 BKN110
MVFRTEMPO23/18Z → 24/00Z5 SM · -SHRA BR · BKN015 OVC080
Visibility: 5 SM
Weather: -SHRA BR
Clouds: BKN015 OVC080
TEMPO 2318/2324 5SM -SHRA BR BKN015 OVC080
IFRPROB3023/18Z → 23/23ZVRB20G35KT · 2 SM · +TSRA BR · BKN010 OVC030(CB)sn
Wind: VRB20G35KT
Visibility: 2 SM
Weather: +TSRA BR
Clouds: BKN010 OVC030(CB)sn
PROB30 2318/2323 VRB20G35KT 2SM +TSRA BR BKN010 OVC030CB
MVFRFM24/00Z → 24/04Z18010KT · 6 SM · SCT015 BKN030
Wind: 18010KT
Visibility: 6 SM
Clouds: SCT015 BKN030
FM240000 18010KT P6SM SCT015 BKN030
MVFRTEMPO24/00Z → 24/04Z6 SM · -SHRA · BKN015 BKN030
Visibility: 6 SM
Weather: -SHRA
Clouds: BKN015 BKN030
TEMPO 2400/2404 P6SM -SHRA BKN015 BKN030
MVFRFM24/04Z → 24/15Z2008KT · 6 SM · FEW006 BKN015
Wind: 2008KT
Visibility: 6 SM
Clouds: FEW006 BKN015
FM240400 20008KT P6SM FEW006 BKN015
IFRPROB3024/04Z → 24/13ZBKN006 OVC015
Clouds: BKN006 OVC015
PROB30 2404/2413 BKN006 OVC015
MVFRFM24/15Z → 25/00Z20012KT · 6 SM · -SHRA · BKN030 BKN050
Wind: 20012KT
Visibility: 6 SM
Weather: -SHRA
Clouds: BKN030 BKN050
FM241500 20012KT P6SM -SHRA BKN030 BKN050
IFRPROB3024/16Z → 24/23Z2 SM · TSRA BR · BKN020 OVC040(CB)sn
Visibility: 2 SM
Weather: TSRA BR
Clouds: BKN020 OVC040(CB)sn
PROB30 2416/2423 2SM TSRA BR BKN020 OVC040CB RMK NXT FCST BY 232100Z
Raw TAF
TAF CYOW 231741Z 2318/2424 17012KT P6SM SCT015 BKN110 TEMPO 2318/2324 5SM -SHRA BR BKN015 OVC080 PROB30 2318/2323 VRB20G35KT 2SM +TSRA BR BKN010 OVC030CB FM240000 18010KT P6SM SCT015 BKN030 TEMPO 2400/2404 P6SM -SHRA BKN015 BKN030 FM240400 20008KT P6SM FEW006 BKN015 PROB30 2404/2413 BKN006 OVC015 FM241500 20012KT P6SM -SHRA BKN030 BKN050 PROB30 2416/2423 2SM TSRA BR BKN020 OVC040CB RMK NXT FCST BY 232100Z
Nearby airports