Current Weather
Raw METAR
Clouds - Visual Profile
Weather Briefing
VFREastmain River Airport is currently reporting visual flight rules (VFR) conditions with broken clouds at 14,000 feet and 15 SM visibility. Note: This observation is 4.9 hours old and conditions may have changed.
Wind Analysis
Winds are calm, presenting no crosswind concerns for any runway.
Visibility & Ceiling
Visibility is 15 SM. The ceiling is 14000 feet AGL (broken), well above standard VFR minimums.
Temperature & Moisture
Temperature is 18°C (64°F) with a dewpoint of 11°C, indicating moderate moisture conditions.
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.
24-Hour Weather Evolution
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Airport Runway Layout
Runway Information
| Runway | Length | Width | Surface | Heading | Wind Component |
|---|---|---|---|---|---|
| 02/20 | 3,512 ft | 100 ft | GRAVEL | 19° | No wind data |
Weather Statistics - CZEM
1,704 observations | Sep 2025 - Jun 2026Flight Rules Distribution
Eastmain River Airport is frequently affected by reduced visibility conditions, with VFR weather only 55.5% of the time and IFR/LIFR conditions occurring in 18.1% of observations. Prevailing winds are from the W averaging 9.8 knots. Temperature extremes range from -34°C to 32°C, reflecting significant seasonal variation. The best months for VFR flying are June, March, February.
Wind Analysis
Temperature Range
Visibility
Best Months for VFR
Runway Wind Analysis
Statistics computed from 1,704 METAR observations (Sep 2025 - Jun 2026). Data sourced from official aviation weather services. Updated daily.
Eastmain River Airport - Airport Information
Airport Details
Location
Runway Information
Flight Planning Tools
About Eastmain River Airport
Eastmain River Airport (CZEM/ZEM) is located in Eastmain River, CA at an elevation of 24 feet MSL. The airport has 1 runway (02/20), with the longest at 3,512 feet.
Weather Profile
With VFR conditions only 55.5% of the time based on 1,704 observations, CZEM requires careful weather planning. IFR conditions occur in 18.1% of reports, and instrument proficiency is advisable for regular operations here.
Wind Patterns & Runway Selection
Prevailing winds at CZEM come from the W (270°) with an average speed of 9.8 knots and recorded gusts up to 30 knots. Calm winds are rare (1.4%), so crosswind considerations are a regular factor. Runway 02/20 offers the lowest average crosswind component at 6.8 knots, making it the preferred choice in typical wind conditions.
Seasonal Considerations
The best months for VFR operations are June, March, February, when clear skies are most prevalent. Temperatures at the field range from -34°C (-29°F) to 32°C (90°F), averaging -2.7°C (27°F). Cold weather operations require attention to aircraft preheating, de-icing, and cold-soaked fuel management. Altimeter settings typically range from 29.1 to 30.74 inHg (985-1041 hPa).
Data Sources: Airport data from OurAirports.com. Weather statistics derived from 1,704 official METAR observations (Sep 2025 - Jun 2026). Pilots should always verify current conditions through official channels before flight.
Learn More
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Official Data Sources
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.