Seinäjoki Airport

EFSI / SJY

Seinäjoki / Ilmajoki, FI

Last Updated
May 14, 15:50Z

Current Weather

Display Units
Fresh 7 min ago
15:50Z

☀️ Day
VFR
Flight Rules
10°C
Temperature
Dewpoint: 4°C
10 kt
180°
10+ km
Visibility
4,700 ft
Ceiling
Above Ground Level
--
QNH
Altimeter Setting

Raw METAR

METAR EFSI 141550Z AUTO 18010KT 9999 BKN047 10/04 Q1003

Clouds - Visual Profile

12,000ft
9,000ft
6,000ft
3,000ft
Ground
Field Elev: 302 ft
BKN 4,700 ft AGL
☁️
BKN
Broken (5/8-7/8 sky coverage)
4,700 ft
AGL (Above Ground)
5,002 ft AMSL

Weather Briefing

VFR

Seinäjoki Airport is currently reporting visual flight rules (VFR) conditions with broken clouds at 4,700 feet and 10 miles or greater visibility.

Wind Analysis

Winds are from the south (180°) at 10 knots. Runway 14/32 is favored with a 8-knot headwind and 6-knot crosswind component.

Visibility & Ceiling

Visibility is unrestricted. The ceiling is 4700 feet AGL (broken), well above standard VFR minimums.

Temperature & Moisture

Temperature is 10°C (50°F) with a dewpoint of 4°C, indicating moderate moisture conditions.

Forecast Outlook

The TAF forecast covers the next 9 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: Patches Fog. Temporary MVFR conditions are forecast between 16:00Z and 18:00Z. There is a 30% probability of LIFR conditions with Patches Fog between 20:00Z and 00:00Z.

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.

Forecast (TAF)

View Full TAF
Raw TAF
TAF AMD EFSI 141455Z 1415/1424 18008KT 9999 FEW020 FEW030CB BKN040 BECMG 1415/1416 FEW030 TEMPO 1416/1418 FEW030TCU PROB30 TEMPO 1420/1424 1000 BCFG
Upcoming Changes (Next 12 Hours)
15:56Z BASE
+0h
MVFR 180° 8 kt
Visibility: 10+ km
Ceiling: 4,000 ft
16:00Z TEMPO
+1h
MVFR
20:00Z PROB30 TEMPO
+5h
LIFR
Visibility: 1 km
Patches 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
FSI
14 ✈️
32

Runway Information

Runway Length Width Surface Heading Wind Component
✈️ 14/32
Active: 14
6,562 ft 148 ft ASP 136°
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 - EFSI

11,035 observations | Sep 2025 - May 2026

Flight Rules Distribution

VFR
52.4%
MVFR
15.6%
IFR
16.7%
LIFR
15.4%

Seinäjoki Airport is frequently affected by reduced visibility conditions, with VFR weather only 52.4% of the time and IFR/LIFR conditions occurring in 32.1% of observations. Prevailing winds are from the S averaging 6.6 knots. Temperature extremes range from -27°C to 23°C, reflecting significant seasonal variation. The best months for VFR flying are April, May, September.

Wind Analysis

Prevailing Direction: S (180°)
Average Speed: 6.6 kt
Maximum Recorded: 26 kt
Calm Winds: 0.4%
Direction Distribution:
N
7.4%
NE
2.6%
E
7.6%
SE
24.7%
S
25.3%
SW
11.8%
W
11%
NW
9.1%

Temperature Range

Average: 0.1°C
Range: -27°C to 23°C
-27°C 23°C

Visibility

Average: 10 SM
Below 3 SM: 0%
Fog Frequency: 6.1%

Best Months for VFR

April May September

Runway Wind Analysis

Runway 14/32
Favorable wind: 100%
Avg crosswind: 3.3 kt

Statistics computed from 11,035 METAR observations (Sep 2025 - May 2026). Data sourced from official aviation weather services. Updated daily.

Seinäjoki Airport - Airport Information

Airport Details

ICAO Code: EFSI
IATA Code: SJY
Type: medium airport
Status: active
Elevation: 302 ft MSL

Location

City: Seinäjoki / Ilmajoki
Country: FI
Latitude: 62.692101°
Longitude: 22.832300°
Time Zone: Europe/Athens

Runway Information

Runway 14/32
Length: 6,562 ft
Width: 148 ft
Surface: ASP
ILS: No

About Seinäjoki Airport

Overview

Seinäjoki Airport serves the central Ostrobothnia region of Finland, strategically positioned near the cities of Seinäjoki and Ilmajoki. As a medium-sized airport located at 302 feet above mean sea level, it provides essential aviation infrastructure for regional transportation and local aviation activities.

Flying Conditions

Weather conditions at Seinäjoki Airport demonstrate significant variability, with visual flight rules (VFR) conditions occurring 42% of the time. Pilots should anticipate challenging conditions, as instrument flight rules (IFR) and marginal VFR conditions comprise nearly 58% of observations. Temperature ranges from -26°C to 23°C, with an average of 1.3°C, indicating potential for significant seasonal weather variations.

Notable Features

The airport features a single runway (14/32) measuring 6,562 feet with an asphalt surface. Prevailing winds from the southeast (135°) average 6.7 knots, with maximum recorded speeds of 26 knots. Calm wind conditions are rare, occurring only 0.2% of the time, which suggests consistent wind activity in the region.

Approach Considerations

Runway 14/32 demonstrates favorable wind alignment, with 100% wind compatibility and an average crosswind of just 3.2 knots. Visibility averages 10 statute miles, with minimal instances of restricted visibility (below 3 miles). September, January, and October represent the most consistently favorable VFR months for operations at this airport.

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.