Saint John Airport

CYSJ / YSJ

Saint John, CA

Last Updated
Jul 28, 19:00Z

Current Weather

Display Units
Recent 38 min ago
19:00Z

🌇 Dusk
VFR
Flight Rules
24°C
Temperature
Dewpoint: 14°C
9 kt
200°
15 SM
Visibility
Ceiling
Unlimited
1009 hPa
QNH
Altimeter Setting

Raw METAR

METAR CYSJ 281900Z 20009KT 15SM FEW046 24/14 A2980 RMK CU1 SLP094 DENSITY ALT 1700FT

Clouds - Visual Profile

12,000ft
9,000ft
6,000ft
3,000ft
Ground
Field Elev: 357 ft
FEW 4,600 ft AGL
🌤️
FEW
Few (1/8-2/8 sky coverage)
4,600 ft
AGL (Above Ground)
4,957 ft AMSL

Weather Briefing

VFR

Saint John Airport is currently reporting visual flight rules (VFR) conditions with few clouds at 4,600 feet and 15 SM visibility.

Wind Analysis

Winds are from the south-southwest (200°) at 9 knots. Runway 23 is favored with a 8-knot headwind and 5-knot crosswind component.

Visibility & Ceiling

Visibility is 15 SM. No ceiling exists. Cloud layers reported: few at 4,600 ft.

Temperature & Moisture

Temperature is 24°C (75°F) with a dewpoint of 14°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: Mist, Fog, Fog, FCST. There is a 40% probability of IFR conditions with Mist between 03:00Z and 05:00Z. There is a 30% probability of MVFR conditions with Fog, FCST between 05:00Z and 06:00Z.

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
1009 hPa
Sea Level Pressure
For altitude above MSL
QFE
997 hPa
Field Pressure
Height above aerodrome (357 ft)
Pressure Alt
485 ft
QNE Reference
Standard: 1013 hPa
Density Altitude: 1,651 ft
ISA Deviation: +9.7°C

Forecast (TAF)

View Full TAF
Raw TAF
TAF CYSJ 281740Z 2818/2906 20010KT P6SM SKC FM290000 21008KT P6SM FEW010 PROB40 2903/2905 1SM BR SCT005 FM290500 21005KT 1/2SM FG VV002 PROB30 2905/2906 1/4SM FG RMK NXT FCST BY 290000Z
Upcoming Changes (Next 12 Hours)
19:37Z BASE
+0h
VFR 200° 10 kt
Visibility: >6SM
00:00Z FM290000
+5h
VFR 210° 8 kt
Visibility: >6SM
03:00Z PROB40
+8h
IFR
Visibility: 1SM
Mist
05:00Z FM290500
+10h
LIFR 210° 5 kt
Visibility: 1/2SM
Ceiling: 200 ft
Fog

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
Active: 23
7,000 ft 200 ft ASP 30°
7.8 kt 4.5 kt
30° angle
14/32 5,100 ft 200 ft ASP 121°
1.7 kt 8.8 kt
79° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - CYSJ

9,060 observations | Sep 2025 - Jul 2026

Flight Rules Distribution

VFR
64.2%
MVFR
13.9%
IFR
13%
LIFR
8.9%

Saint John Airport typically experiences VFR conditions 64.2% of the time, though instrument-rated pilots will find IFR weather present approximately 21.9% 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 34°C, reflecting significant seasonal variation. Low visibility conditions (below 3 SM) occur in 7.8% of weather observations. The best months for VFR flying are July, September, May.

Wind Analysis

Prevailing Direction: S (180°)
Average Speed: 9.6 kt
Maximum Recorded: 36 kt
Calm Winds: 5.8%
Direction Distribution:
E
7.8%
N
15.9%
S
18.7%
W
12.4%
NE
5.2%
NW
13.9%
SE
7.2%
SW
13.1%

Temperature Range

Average: 4.6°C
Range: -25°C to 34°C
-25°C 34°C

Visibility

Average: 12 SM
Below 3 SM: 7.8%
Fog Frequency: 8.6%

Best Months for VFR

July September May

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 9,060 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.