CYOW/YOW METAR & TAF Ottawa Macdonald-Cartier International Airport

Ottawa, OntarioElevation 374 ftLarge airport

CURRENT STATUS

VFR19 min old

Ceiling 13,000 ft, visibility 15 SM.

FLIGHT CATEGORY

VFR

ceiling & visibility

WIND

210@7

steady

VISIBILITY

15 SM

24.1 km

CEILING

13,000 ft

lowest BKN/OVC

DENSITY ALT

-373 ft

-747 ft vs field

CURRENT METAR

Decoded observation

Observed 0400Z (12:00 AM local) · 19 min old

CYOW is currently VFR. Winds are from the southwest at 7 knots. Visibility is 15 statute miles. The ceiling is 13,000 feet AGL.

WIND

210° at 7 kt

Steady.

VISIBILITY

15 statute miles

24.1 km, good.

CEILING & SKY

Ceiling 13,000 ft

Lowest broken or overcast layer.

TEMP / DEWPOINT

11°C / 4°C

52°F / 39°F. 7°C spread.

ALTIMETER

30.28 inHg

1025.4 hPa, above standard.

WEATHER & HAZARDS

No significant hazards

No precipitation or obscuration reported.

Codes in this report: BKN RMK

Hover or tap any group for a plain-English explanation.

REMARKS: DECODED

AC6

cloud layers: altocumulus 6 oktas

SLP257

sea-level pressure 1025.7 hPa

TERMINAL AERODROME FORECAST

TAF timeline

Issued 0242Z (10:42 PM local) · valid to 0600Z (2:00 AM local)

CYOW forecast starts VFR at 03Z. Worst period is 11Z to 13Z with MVFR possible. Best period is 03Z to 11Z (VFR). Conditions are roughly steady over the period.

BKN18018,000 ft

BKN0303,000 ft

BKN0202,000 ft

OVC0808,000 ft

VFR

0300Z11:00 PM0824Z4:24 AM1348Z9:48 AM1912Z3:12 PM0036Z8:36 PM0600Z2:00 AM

Codes in this report: P6SM SCT BKN OVC FEW BECMG RMK

Tap any group to decode it.

SUGGESTED RISK · TRAINING USE

Suggested risk level: Low

›No significant weather concerns in the current report.

A suggested risk level for training and situational awareness only, not a go/no-go authority. Verify with official sources and apply your personal minimums.

FORECAST & PILOT NOTES · SUPPLEMENTAL

Pilot weather notes

Current aviation conditions show flight category VFR, wind from 210° at 7 kt, visibility 15 SM, ceiling 13,000 ft. No extended National Weather Service forecast is available for this location. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

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RUNWAYS & WIND

3 runways · crosswind ranking

ON-FIELD METAR

READING THE BARB · SWIPE FOR MORE →

Calm

5 kt

10 kt

15 kt

20 kt

25 kt

30 kt

35 kt

40 kt

45 kt

50 kt

65 kt

75 kt

100 kt

105 kt

Half feather = 5 kt, full = 10 kt, filled pennant = 50 kt; add them up. The staff points the direction the wind blows from.

WIND USED

210° at 7 kt

Components computed from the current on-field METAR wind.

RECOMMENDED

RWY 227 kt headwind · no crosswind

RUNWAYS BY WIND · best end

HEAD

7 kt

CROSS

calm

BEST

HEAD

6 kt

CROSS

3 kt L

HEAD

1 kt

CROSS

7 kt R

HEAD

1 kt tail

CROSS

7 kt L

HEAD

6 kt tail

CROSS

3 kt R

HEAD

7 kt tail

CROSS

calm

Components are estimates from the current METAR wind and runway heading. Verify with the Chart Supplement and NOTAMs.

RUNWAYS

Runway detail & declared distances

3 runways · longest 10,000 ft

04/22

Dimensions

3,300 x 75 ft

Surface

Asphalt

RWY 04

RWY 22

07/25

Dimensions

8,000 x 200 ft

Surface

Asphalt

RWY 07

RWY 25

14/32

Dimensions

10,000 x 200 ft

Surface

Asphalt

RWY 14

RWY 32

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

FIELD CONDITIONS

Performance & density altitude

Density altitude

-373 ft

Pressure altitude

14 ft

Field elevation

374 ft MSL

Temperature

11°C (52°F)

Dewpoint

4°C (39°F)

Altimeter

30.28 inHg

Density altitude estimates how the aircraft performs versus standard atmosphere. Higher density altitude reduces climb performance and increases takeoff distance.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset

2201Z 6:01 PM

Sunrise

1133Z 7:33 AM

Loggable night

2231Z (6:31 PM local) → 1102Z (7:02 AM local)

end of evening to start of morning civil twilight

Position lights required

2201Z (6:01 PM local) → 1133Z (7:33 AM local)

sunset to sunrise (91.209)

Night passenger currency

2301Z (7:01 PM local) → 1033Z (6:33 AM local)

1 hr after sunset to 1 hr before sunrise (61.57(b))

FAA definitions, shown in Zulu with airport-local time. Verify for your operation.

AIRPORT INFORMATION

Facility & services

Ottawa Macdonald-Cartier International Airport is in Ottawa, Ontario. Field elevation 374 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT

OwnershipPublicly owned

UseOpen to the public

TypeLarge airport

Airline serviceYes

CHARTS & AIRSPACE

ICAO / IATACYOW / YOW

Center (ARTCC)MONTREAL

Flight service (AFSS)QUEBEC

RegionOntario

CountryCanada

Coordinates45.3225, -75.6692

SERVICES & LIGHTING

Control towerTowered

FREQUENCIES

Communications

135.15

Ottawa Arrivals

ARR

121.15

English ATIS

ATIS

132.95

French ATIS

ATIS

119.4

Ottawa Clearance

CLNC DEL

128.175

Ottawa Departures

DEP

121.9

Ottawa Ground

GND

123.15

Quebec Radio

RCO

127.7

Ottawa Terminal

TML

118.8

Ottawa Tower

TWR

Not all tower/ground/approach frequencies are in our datasets. Verify with the FAA Chart Supplement.

AIRCRAFT ACTIVITY

Traffic patterns

Aircraft activity data is not available for this airport yet.

NEARBY AIRPORTS

Weather reference stations

Current flight category at nearby reporting stations.

CYND Ottawa / Gatineau Airport

13 NM N

VFR

KOGS Ogdensburg International Airport

39 NM S

VFR

KMSS Massena International Airport Richards Field

42 NM SE

VFR

CYMX Montreal Mirabel International Airport

72 NM E

VFR

KGTB Wheeler Sack Army Air Field

76 NM S

VFR

CYGK Kingston Norman Rogers Airport

77 NM SW

VFR

AIRPORT REMARKS

Operational remarks

›SEE FLIP AP/1 SUPPLEMENTARY ARPT INFO.

OFFICIAL LINKS & SOURCES

↗Official METAR on AviationWeather.gov

↗Official airport website

↗Wikipedia

↗CYOW on OurAirports

FREQUENTLY ASKED

Does CYOW have a METAR?

Yes. CYOW has a current METAR observation, decoded into plain English on this page.

Does CYOW have a TAF?

Yes, a TAF is issued for CYOW; the decoded forecast timeline is shown above.

What is the field elevation at CYOW?

CYOW sits at 374 ft MSL, which factors into the density-altitude estimate on this page.

Is this an official preflight weather briefing for CYOW?

No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.

This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.