Saint John Airport

CYSJ / YSJ

Saint John, CA

Last Updated
Jul 4, 14:10Z

Current Weather

Display Units
Fresh 30 min ago
14:10Z

☀️ Day
VFR
Flight Rules
28°C
Temperature
Dewpoint: 18°C
6 kt
290°
15 SM
Visibility
Ceiling
Unlimited
1005 hPa
QNH
Altimeter Setting

Raw METAR

SPECI CYSJ 041410Z 29006KT 260V350 15SM FEW040 FEW270 28/18 A2969 RMK CU1CI1 SLP054 DENSITY ALT 2300FT

Clouds - Visual Profile

12,000ft
9,000ft
6,000ft
3,000ft
Ground
Field Elev: 357 ft
FEW 4,000 ft AGL
FEW 27,000 ft AGL
🌤️
FEW
Few (1/8-2/8 sky coverage)
4,000 ft
AGL (Above Ground)
4,357 ft AMSL
🌤️
FEW
Few (1/8-2/8 sky coverage)
27,000 ft
AGL (Above Ground)
27,357 ft AMSL

Weather Briefing

VFR

Saint John Airport is currently reporting visual flight rules (VFR) conditions with few clouds at 4,000 feet and 15 SM visibility.

Wind Analysis

Winds are from the west-northwest (290°) at 6 knots. Runway 32 is favored with a 5-knot headwind and 3-knot crosswind component.

Visibility & Ceiling

Visibility is 15 SM. No ceiling exists. Cloud layers reported: few at 4,000 ft, few at 27,000 ft.

Temperature & Moisture

Temperature is 28°C (82°F) with a dewpoint of 18°C, indicating moderate moisture conditions.

Forecast Outlook

The TAF forecast covers the next 12 hours. The forecast shows a transition between VFR and IFR conditions. Pilots should monitor the forecast closely and have an alternate airport plan. Expected weather includes: Light Showers Rain, Thunderstorm Rain, Mist, FCST. Temporary VFR conditions are forecast with Light Showers Rain between 17:00Z and 20:00Z. There is a 30% probability of IFR conditions with Thunderstorm Rain, Mist between 17:00Z and 20:00Z.

Pilot Recommendations

Conditions are favorable for visual flight. The forecast indicates conditions may deteriorate. Ensure you have fuel reserves and a viable alternate airport.

This briefing is generated from real-time METAR and TAF data. Always verify with official sources before flight.

QNH
1005 hPa
Sea Level Pressure
For altitude above MSL
QFE
993 hPa
Field Pressure
Height above aerodrome (357 ft)
Pressure Alt
605 ft
QNE Reference
Standard: 1013 hPa
Density Altitude: 2,251 ft
ISA Deviation: +13.7°C

Forecast (TAF)

View Full TAF
Raw TAF
TAF CYSJ 041140Z 0412/0424 26005KT P6SM FEW200 BECMG 0412/0414 28012G22KT FM041700 28012G22KT P6SM BKN060 TEMPO 0417/0420 P6SM -SHRA PROB30 0417/0420 VRB15G25KT 2SM TSRA BR BKN020 BKN060CB FM042000 30012G22KT P6SM SCT060 RMK NXT FCST BY 041800Z
Upcoming Changes (Next 12 Hours)
14:39Z BASE
+0h
VFR 260° 5 kt
Visibility: >6SM
17:00Z FM041700
+3h
VFR 280° 12 kt
Visibility: >6SM
Ceiling: 6,000 ft
17:00Z TEMPO
+3h
VFR
Visibility: >6SM
Light Showers Rain
17:00Z PROB30
+3h
IFR VRB 15 kt
Visibility: 2SM
Ceiling: 2,000 ft
Thunderstorm Rain, Mist

24-Hour Weather Evolution

Loading weather data...
Data Sources
  • • Current conditions from METAR observations
  • • Historical data from past 24 hours
  • • No forecast or predicted data included
  • • Data updated with each new METAR report
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Note: Future values beyond current TAF validity are estimates based on climatological data and trends. Always verify with current forecasts before flight operations.

Airport Runway Layout

N
YSJ
05
23
14
32 ✈️

Runway Information

Runway Length Width Surface Heading Wind Component
05/23 7,000 ft 200 ft ASP 30°
1.0 kt 5.9 kt
100° angle
✈️ 14/32
Active: 32
5,100 ft 200 ft ASP 121°
5.2 kt 3.0 kt
30° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - CYSJ

8,468 observations | Sep 2025 - Jul 2026

Flight Rules Distribution

VFR
62.9%
MVFR
14.6%
IFR
13.6%
LIFR
9%

Saint John Airport typically experiences VFR conditions 62.9% of the time, though instrument-rated pilots will find IFR weather present approximately 22.6% of observations. Prevailing winds are from the S averaging 9.6 knots, with gusts recorded up to 36 knots. Temperature extremes range from -25°C to 29°C, reflecting significant seasonal variation. Low visibility conditions (below 3 SM) occur in 8% of weather observations. The best months for VFR flying are September, May, June.

Wind Analysis

Prevailing Direction: S (180°)
Average Speed: 9.6 kt
Maximum Recorded: 36 kt
Calm Winds: 5.5%
Direction Distribution:
E
8.1%
N
16.4%
S
17.9%
W
12.3%
NE
5.4%
NW
14.1%
SE
7.4%
SW
12.8%

Temperature Range

Average: 3.6°C
Range: -25°C to 29°C
-25°C 29°C

Visibility

Average: 11.9 SM
Below 3 SM: 8%
Fog Frequency: 8.5%

Best Months for VFR

September May June

Runway Wind Analysis

Runway 05/23
Favorable wind: 100%
Avg crosswind: 6.5 kt
Runway 14/32
Favorable wind: 100%
Avg crosswind: 5.9 kt

Statistics computed from 8,468 METAR observations (Sep 2025 - Jul 2026). Data sourced from official aviation weather services. Updated daily.

Saint John Airport - Airport Information

Airport Details

ICAO Code: CYSJ
IATA Code: YSJ
Type: medium airport
Status: active
Elevation: 357 ft MSL

Location

City: Saint John
Country: CA
Latitude: 45.316101°
Longitude: -65.890297°
Time Zone: Etc/GMT+4

Runway Information

Runway 05/23
Length: 7,000 ft
Width: 200 ft
Surface: ASP
ILS: No
Runway 14/32
Length: 5,100 ft
Width: 200 ft
Surface: ASP
ILS: No

About Saint John Airport

Overview

Saint John Airport serves the urban and maritime region of southern New Brunswick, Canada. Located at coordinates 45.316101, -65.890297 with an elevation of 357 feet MSL, the airport is classified as a medium-sized facility supporting regional and commercial aviation. Its strategic position enables transportation connectivity for the Saint John metropolitan area and surrounding communities.

Flying Conditions

Weather conditions at Saint John Airport demonstrate significant variability, with Visual Flight Rules (VFR) predominating at 61.2% of observations. Pilots should anticipate substantial meteorological changes, with Marginal VFR and Instrument Flight Rules conditions collectively representing 38.5% of recorded periods. Temperature ranges from -25°C to 24°C, with an average of 2.9°C, indicating potential icing and thermal fluctuation considerations.

Notable Features

The airport features two asphalt runways: Runway 05/23 at 7000 feet and Runway 14/32 at 5100 feet. Prevailing winds consistently come from the west (270°) at an average speed of 9.5 knots, with maximum gusts reaching 34 knots. Both runways demonstrate 100% favorable wind alignment, suggesting flexible operational capabilities across wind conditions.

Approach Considerations

September, October, and November represent the most favorable VFR months, offering optimal flying conditions. Average crosswind components are moderate, measuring 6.5 knots for Runway 05/23 and 5.8 knots for Runway 14/32. Pilots should be prepared for potential reduced visibility, with 8.1% of observations showing less than 3 statute miles of visibility and 7.2% experiencing fog conditions.

Data Sources & Accuracy: Airport information sourced from OurAirports.com, a collaborative database of worldwide airport data. Weather data from official aviation weather services including NOAA Aviation Weather Center and international METAR/TAF providers. Information is updated regularly but pilots should always verify current conditions and NOTAMs through official channels before flight operations.

Official Data Sources

Weather NOAA Aviation Weather Center • International METAR/TAF Network
Airports OurAirports.com • Public domain airport database
NOTAMs FAA NOTAM System • ICAO NOTAM Distribution
Last updated: Jan 1, 1970 12:00 AM UTC

Disclaimer: Data is provided for informational purposes only. Pilots must verify all information through official sources before flight operations. Weather conditions change rapidly; always obtain a current briefing from approved weather services.