Sachs Harbour (David Nasogaluak Jr. Saaryuaq) Airport

CYSY / YSY

Sachs Harbour, CA

Last Updated
Apr 11, 23:00Z

Current Weather

Display Units
Aging 1 hour ago
23:00Z
🌙 Night
VFR
Flight Rules
-23°C
Temperature
Dewpoint: -27°C
10 kt
40°
15 SM
Visibility
∞
Ceiling
Unlimited
1018 hPa
QNH
Altimeter Setting

Raw METAR

METAR CYSY 112300Z 04010KT 15SM FEW110 FEW210 M23/M27 A3005 RMK AC1CI1 AC TR CI TR LAST OBS/NEXT 121300Z SLP193

Clouds - Visual Profile

12,000ft
9,000ft
6,000ft
3,000ft
Ground
Field Elev: 282 ft
FEW 11,000 ft AGL
FEW 21,000 ft AGL
🌤️
FEW
Few (1/8-2/8 sky coverage)
11,000 ft
AGL (Above Ground)
11,282 ft AMSL
🌤️
FEW
Few (1/8-2/8 sky coverage)
21,000 ft
AGL (Above Ground)
21,282 ft AMSL

Weather Briefing

VFR

Sachs Harbour (David Nasogaluak Jr. Saaryuaq) Airport is currently reporting visual flight rules (VFR) conditions with few clouds at 11,000 feet and 15 SM visibility. Note: This observation is 1.5 hours old and conditions may have changed.

Wind Analysis

Winds are from the northeast (40°) at 10 knots. Runway 08T/26T is favored with a 8-knot headwind and 6-knot crosswind component.

Visibility & Ceiling

Visibility is 15 SM. No ceiling exists. Cloud layers reported: few at 11,000 ft, few at 21,000 ft.

Temperature & Moisture

Temperature is -23°C (-9°F) with a dewpoint of -27°C. The narrow temperature-dewpoint spread suggests high humidity and potential for visibility restrictions, especially during cooling periods. Temperatures are at or below freezing. Check for icing conditions and ensure aircraft anti-ice/de-ice systems are operational if required.

Forecast Outlook

The TAF forecast covers the next 3 hours. Conditions are expected to remain VFR throughout the forecast period. Expected weather includes: FCST.

Pilot Recommendations

Conditions are favorable for visual flight.

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

QNH
1018 hPa
Sea Level Pressure
For altitude above MSL
QFE
1009 hPa
Field Pressure
Height above aerodrome (282 ft)
Pressure Alt
140 ft
QNE Reference
Standard: 1013 hPa
Density Altitude: -4,352 ft
ISA Deviation: -37.4°C

Forecast (TAF)

View Full TAF
Raw TAF
TAF AMD CYSY 112019Z 1120/1123 04012KT P6SM FEW120 RMK NXT FCST BY 121500Z
Upcoming Changes (Next 12 Hours)
00:31Z BASE
+0h
VFR 40° 12 kt
Visibility: >6SM
FCST

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
Chart Features
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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
↑
YSY
08T ✈️
26T

Runway Information

Runway Length Width Surface Heading Wind Component
✈️ 08T/26T
Active: 08T
 4,000 ft 100 ft GVL 84°
↑ 7.7 kt • ↔ 6.4 kt
40° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - CYSY

1,402 observations | Oct 2025 - Apr 2026

Flight Rules Distribution

VFR
69.3%
MVFR
17.7%
IFR
8.9%
LIFR
4.1%

Sachs Harbour (David Nasogaluak Jr. Saaryuaq) Airport typically experiences VFR conditions 69.3% of the time, though instrument-rated pilots will find IFR weather present approximately 13% of observations. Prevailing winds are from the SE averaging 12.4 knots, with gusts recorded up to 41 knots. Temperature extremes range from -44°C to 0°C, reflecting significant seasonal variation. Fog is a notable factor, occurring in approximately 15.8% of observations, with visibility below 3 SM in 4.8% of reports. The best months for VFR flying are February, January, March.

Wind Analysis

Prevailing Direction: SE (135°)
Average Speed: 12.4 kt
Maximum Recorded: 41 kt
Calm Winds: 0.7%
Direction Distribution:
E
21.6%
N
16.7%
S
4.3%
W
6.8%
NE
12.2%
NW
10.9%
SE
24%
SW
2.8%

Temperature Range

Average: -21.6°C
Range: -44°C to 0°C
-44°C 0°C

Visibility

Average: 11.9 SM
Below 3 SM: 4.8%
Fog Frequency: 15.8%

Best Months for VFR

February January March

Runway Wind Analysis

Runway 08T/26T
Favorable wind: 100%
Avg crosswind: 7.9 kt

Statistics computed from 1,402 METAR observations (Oct 2025 - Apr 2026). Data sourced from official aviation weather services. Updated daily.

Sachs Harbour (David Nasogaluak Jr. Saaryuaq) Airport - Airport Information

Airport Details

ICAO Code: CYSY
IATA Code: YSY
Type: small airport
Status: active
Elevation: 282 ft MSL

Location

City: Sachs Harbour
Country: CA
Latitude: 71.993896°
Longitude: -125.242996°
Time Zone: Etc/GMT+8

Runway Information

Runway 08T/26T
Length: 4,000 ft
Width: 100 ft
Surface: GVL
ILS: No

Flight Planning Tools

Crosswind
40°@10kt
Density Alt
282ft, -23°C
Performance
Takeoff/Landing
Regions
Browse airports

About Sachs Harbour (David Nasogaluak Jr. Saaryuaq) Airport

Sachs Harbour (David Nasogaluak Jr. Saaryuaq) Airport (CYSY/YSY) is located in Sachs Harbour, CA at an elevation of 282 feet MSL. The airport has 1 runway (08T/26T), with the longest at 4,000 feet.

Weather Profile

With VFR conditions only 69.3% of the time based on 1,402 observations, CYSY requires careful weather planning. IFR conditions occur in 13% of reports, and instrument proficiency is advisable for regular operations here. Fog affects the airport in approximately 15.8% of observations, with visibility dropping below 3 statute miles 4.8% of the time.

Wind Patterns & Runway Selection

Prevailing winds at CYSY come from the SE (135°) with an average speed of 12.4 knots and recorded gusts up to 41 knots. Calm winds are rare (0.7%), so crosswind considerations are a regular factor. Runway 08T/26T offers the lowest average crosswind component at 7.9 knots, making it the preferred choice in typical wind conditions.

Seasonal Considerations

The best months for VFR operations are February, January, March, when clear skies are most prevalent. Temperatures at the field range from -44°C (-47°F) to 0°C (32°F), averaging -21.6°C (-7°F). Cold weather operations require attention to aircraft preheating, de-icing, and cold-soaked fuel management. Altimeter settings typically range from 28.94 to 30.77 inHg (980-1042 hPa).

Data Sources: Airport data from OurAirports.com. Weather statistics derived from 1,402 official METAR observations (Oct 2025 - Apr 2026). Pilots should always verify current conditions through official channels before flight.

Learn More

Recommended guides based on current conditions at CYSY

Aircraft Icing Conditions
Types, detection, and avoidance strategies
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Runway Surface Conditions
Wet, contaminated, and winter operations
cold freezing
How to Read TAF Forecasts
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taf
How to Read METAR Reports
Decode aviation weather observations step by step
Pre-Flight Weather Briefing Guide
Complete briefing checklist for safe flights
View all learning resources →

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.