Seinäjoki Airport

EFSI / SJY

Seinäjoki / Ilmajoki, FI

Last Updated
Mar 4, 08:50Z

Current Weather

Display Units
Fresh 22 min ago
08:50Z

☀️ Day
MVFR
Flight Rules
2°C
Temperature
Dewpoint: 0°C
15 kt
260° G25 kt
10+ km
Visibility
2,100 ft
Ceiling
Above Ground Level
--
QNH
Altimeter Setting

Raw METAR

METAR EFSI 040850Z AUTO 26015G25KT 240V300 9999 RA OVC021 02/M00 Q1000

Clouds - Visual Profile

12,000ft
9,000ft
6,000ft
3,000ft
Ground
Field Elev: 302 ft
OVC 2,100 ft AGL
☁️
OVC
Overcast (8/8 sky coverage)
2,100 ft
AGL (Above Ground)
2,402 ft AMSL

Forecast (TAF)

View Full TAF
Raw TAF
TAF EFSI 040823Z 0409/0418 25010KT 9999 BKN035 TEMPO 0409/0415 27015G27KT 4000 -SNRA FEW040CB TEMPO 0415/0417 BKN013 BECMG 0415/0417 32012KT
Upcoming Changes (Next 12 Hours)
09:11Z BASE
+0h
VFR 250° 10 kt
Visibility: 10+ km
Ceiling: 3,500 ft
15:00Z TEMPO
+6h
MVFR
Ceiling: 1,300 ft
15:00Z BECMG
+6h
VFR 320° 12 kt

24-Hour Weather Evolution

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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: 32
6,562 ft 148 ft ASP 136°
7.5 kt 13.0 kt
60° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - EFSI

7,733 observations | Sep 2025 - Mar 2026

Flight Rules Distribution

VFR
42.8%
MVFR
17.6%
IFR
20.2%
LIFR
19.4%

Seinäjoki Airport is frequently affected by reduced visibility conditions, with VFR weather only 42.8% of the time and IFR/LIFR conditions occurring in 39.6% of observations. Prevailing winds are from the SE averaging 6.4 knots. Temperature extremes range from -27°C to 23°C, reflecting significant seasonal variation. The best months for VFR flying are September, January, October.

Wind Analysis

Prevailing Direction: SE (135°)
Average Speed: 6.4 kt
Maximum Recorded: 26 kt
Calm Winds: 0.4%
Direction Distribution:
N
5.5%
NE
2.8%
E
9.3%
SE
28.9%
S
24.2%
SW
11.1%
W
10.1%
NW
7.7%

Temperature Range

Average: -1.7°C
Range: -27°C to 23°C
-27°C 23°C

Visibility

Average: 10 SM
Below 3 SM: 0%
Fog Frequency: 7.2%

Best Months for VFR

September January October

Runway Wind Analysis

Runway 14/32
Favorable wind: 100%
Avg crosswind: 3 kt

Statistics computed from 7,733 METAR observations (Sep 2025 - Mar 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.