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Ottawa/Macdonald-Cartier Intl Airport, Ottawa (CYOW)

Airport Weather & NOTAM's

SPECI for:CYOW (Ottawa/Cartier Intl, ON, CA)
Text:CYOW 042120Z 28010KT 15SM BKN007 BKN025 15/14 A2966 RMK SC6SC1 SLP048 DENSITY ALT 800FT
Conditions at:2120 UTC 04 Sep 2025
Temperature: 15.0°C ( 59°F)
Dewpoint: 14.0°C ( 57°F) [RH = 94%]
Pressure (altimeter):29.66 inches Hg (1004.5 mb) [Sea level pressure: 1004.8 mb]
Winds:from the W (280 degrees) at 12 MPH (10 knots; 5.1 m/s)
Visibility:15 sm (24 km)
Ceiling:700 feet AGL
Clouds:broken clouds at 700 feet AGL, broken clouds at 2500 feet AGL
TAF for:CYOW (Ottawa/Cartier Intl, ON, CA) issued at 2040 UTC 04 Sep 2025
Text:TAF CYOW 042040Z 0421/0524 31010KT P6SM -SHRA SCT012 OVC025
Forecast period:2100 UTC 04 September 2025 to 0100 UTC 05 September 2025
Forecast type:FROM: standard forecast or significant change
Winds:from the NW (310 degrees) at 12 MPH (10 knots; 5.1 m/s)
Visibility:6 or more sm (10+ km)
Ceiling:2500 feet AGL
Clouds:scattered clouds at 1200 feet AGL, overcast cloud deck at 2500 feet AGL
Weather:-SHRA (light rain showers)
Text:TEMPO 0421/0501 5SM -SHRA BR BKN012 OVC025
Forecast period:2100 UTC 04 September 2025 to 0100 UTC 05 September 2025
Forecast type:TEMPORARY: The following changes expected for less than half the time period
Visibility:5 sm (8 km)
Ceiling:1200 feet AGL
Clouds:broken clouds at 1200 feet AGL, overcast cloud deck at 2500 feet AGL
Weather:-SHRA BR (light rain showers, mist)
Text:FM050100 30010KT P6SM SCT012 BKN025
Forecast period:0100 to 0800 UTC 05 September 2025
Forecast type:FROM: standard forecast or significant change
Winds:from the WNW (300 degrees) at 12 MPH (10 knots; 5.1 m/s)
Visibility:6 or more sm (10+ km)
Ceiling:2500 feet AGL
Clouds:scattered clouds at 1200 feet AGL, broken clouds at 2500 feet AGL
Text:TEMPO 0501/0503 BKN012 OVC025
Forecast period:0100 to 0300 UTC 05 September 2025
Forecast type:TEMPORARY: The following changes expected for less than half the time period
Ceiling:1200 feet AGL
Clouds:broken clouds at 1200 feet AGL, overcast cloud deck at 2500 feet AGL
Text:FM050800 VRB03KT 6SM BR FEW002 SCT020
Forecast period:0800 to 1400 UTC 05 September 2025
Forecast type:FROM: standard forecast or significant change
Winds:variable direction winds at 3 MPH (3 knots; 1.5 m/s)
Visibility:6 sm (10 km)
Ceiling:at least 12,000 feet AGL
Clouds:few clouds at 200 feet AGL, scattered clouds at 2000 feet AGL
Weather:BR (mist)
Text:PROB30 0508/0512 1/2SM FG VV002
Forecast period:0800 to 1200 UTC 05 September 2025
Forecast type:PROBABLE: 30 percent likelihood of the following during this time
Visibility:0.50 sm (0.80 km)
Ceiling:indefinite ceiling with vertical visibility of 200 feet AGL
Clouds:obscured sky
Weather:FG (fog)
Text:FM051400 19010KT P6SM SKC
Forecast period:1400 to 1700 UTC 05 September 2025
Forecast type:FROM: standard forecast or significant change
Winds:from the S (190 degrees) at 12 MPH (10 knots; 5.1 m/s)
Visibility:6 or more sm (10+ km)
Ceiling:at least 12,000 feet AGL
Clouds:clear skies
Text:FM051700 18012G22KT P6SM SCT040
Forecast period:1700 to 2300 UTC 05 September 2025
Forecast type:FROM: standard forecast or significant change
Winds:from the S (180 degrees) at 14 MPH (12 knots; 6.2 m/s) gusting to 25 MPH (22 knots; 11.3 m/s)
Visibility:6 or more sm (10+ km)
Ceiling:at least 12,000 feet AGL
Clouds:scattered clouds at 4000 feet AGL
Text:BECMG 0523/0524 19010KT RMK NXT FCST BY 050000Z
Forecast period:2300 UTC 05 September 2025 to 0000 UTC 06 September 2025
Forecast type:BECOMING: Conditions expected to become as follows by 0000 UTC 06 September 2025
Winds:from the S (190 degrees) at 12 MPH (10 knots; 5.1 m/s)
Visibility:6 or more sm (10+ km)
Ceiling:at least 12,000 feet AGL
Clouds:scattered clouds at 4000 feet AGL

Live Departures & Arrivals

There are currently no arrivals or departures for this airport.

Departures History (last 12 months)

No departure history to display.

Arrivals History (last 12 months)

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Runway Information (Airport elevation: 355ft)

Runway 04 Length 3,301ft Width 72ft Elevation 355ft Surface Asphalt Heading 25
Runway 07 Length 7,992ft Width 192ft Elevation 355ft Surface Asphalt Heading 57
Runway 14 Length 9,931ft Width 205ft Elevation 355ft Surface Asphalt Heading 126
Runway 22 Length 3,301ft Width 72ft Elevation 355ft Surface Asphalt Heading 205
Runway 25 Length 7,992ft Width 192ft Elevation 355ft Surface Asphalt Heading 237
Runway 32 Length 9,931ft Width 205ft Elevation 355ft Surface Asphalt Heading 306

Airport Frequencies

Type APP/DEP Frequency 135.150 Mhz
Type ATIS Frequency 121.150 Mhz
Type ATIS Frequency 132.950 Mhz
Type Clearance Frequency 119.400 Mhz
Type D Frequency 128.170 Mhz
Type Ground Frequency 121.600 Mhz
Type Ground Frequency 121.900 Mhz
Type Tower Frequency 118.800 Mhz
Type Tower Frequency 119.600 Mhz
Type Clearance Frequency 119.400 Mhz
Type CTAF Frequency 127.700 Mhz
Type D Frequency 128.175 Mhz
Type FSS Frequency 123.150 Mhz
Type FSS Frequency 126.700 Mhz
Type Ground Frequency 121.900 Mhz
Type Tower Frequency 118.800 Mhz
Type Tower Frequency 120.100 Mhz

Airport Navaids

Type DME Ident IOW Frequency 109500 Khz
Type NDB Ident OW Frequency 236 Khz
Type VOR-DME Ident YOW Frequency 114600 Khz
Type NDB Ident YRR Frequency 377 Khz