Guardia Marina Zañartu Airport

SCGZ / WPU

Puerto Williams, CL

Last Updated
Mar 4, 20:00Z

Current Weather

Display Units
Stale 2 hours ago
20:00Z

🌙 Night
MVFR
Flight Rules
6°C
Temperature
Dewpoint: 5°C
18 kt
270°
9 km
Visibility
2,600 ft
Ceiling
Above Ground Level
--
QNH
Altimeter Setting

Raw METAR

METAR SCGZ 042000Z 27018KT 9000 -RA FEW011 BKN026 OVC033 06/05 Q0993

Clouds - Visual Profile

12,000ft
9,000ft
6,000ft
3,000ft
Ground
Field Elev: 88 ft
FEW 1,100 ft AGL
BKN 2,600 ft AGL
OVC 3,300 ft AGL
🌤️
FEW
Few (1/8-2/8 sky coverage)
1,100 ft
AGL (Above Ground)
1,188 ft AMSL
☁️
BKN
Broken (5/8-7/8 sky coverage)
2,600 ft
AGL (Above Ground)
2,688 ft AMSL
☁️
OVC
Overcast (8/8 sky coverage)
3,300 ft
AGL (Above Ground)
3,388 ft AMSL

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
CGZ
08
26 ✈️

Runway Information

Runway Length Width Surface Heading Wind Component
✈️ 08/26
Active: 26
4,724 ft 95 ft ASP 91°
17.7 kt 3.1 kt
10° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - SCGZ

1,996 observations | Sep 2025 - Mar 2026

Flight Rules Distribution

VFR
90.7%
MVFR
8.4%
IFR
0.9%
LIFR
0.1%

Guardia Marina Zañartu Airport enjoys predominantly VFR conditions, with visual flight rules prevailing 90.7% of the time. Prevailing winds are from the W averaging 9.9 knots, with gusts recorded up to 37 knots. Temperatures typically range between -3°C and 20°C with an average of 7.1°C. The best months for VFR flying are October, September, March.

Wind Analysis

Prevailing Direction: W (270°)
Average Speed: 9.9 kt
Maximum Recorded: 37 kt
Calm Winds: 1.7%
Direction Distribution:
N
0.6%
NE
2.4%
E
10.1%
SE
3.2%
S
3.7%
SW
15%
W
57.3%
NW
6.1%

Temperature Range

Average: 7.1°C
Range: -3°C to 20°C
-3°C 20°C

Visibility

Average: 10 SM
Below 3 SM: 0%
Fog Frequency: 0.1%

Best Months for VFR

October September March

Runway Wind Analysis

Runway 08/26
Favorable wind: 100%
Avg crosswind: 2.9 kt

Statistics computed from 1,996 METAR observations (Sep 2025 - Mar 2026). Data sourced from official aviation weather services. Updated daily.

Guardia Marina Zañartu Airport - Airport Information

Airport Details

ICAO Code: SCGZ
IATA Code: WPU
Type: medium airport
Status: active
Elevation: 88 ft MSL

Location

City: Puerto Williams
Country: CL
Latitude: -54.931099°
Longitude: -67.626297°
Time Zone: Etc/GMT+5

Runway Information

Runway 08/26
Length: 4,724 ft
Width: 95 ft
Surface: ASP
ILS: No

About Guardia Marina Zañartu Airport

Overview

Guardia Marina Zañartu Airport serves Puerto Williams, located in the southernmost region of Chile. As a medium-sized airport situated at 88 ft MSL, it provides critical aviation access to this remote Patagonian location. The airport's single runway (08/26) offers 4,724 feet of asphalted surface for aircraft operations.

Flying Conditions

Weather conditions are predominantly favorable for visual flight rules (VFR), with 90.7% of observations supporting VFR operations. Westerly winds dominate at 270°, averaging 10.1 knots with occasional gusts up to 37 knots. Temperature variations range from -3°C to 18°C, with an average of 6.8°C, indicating potential for significant thermal fluctuations.

Notable Features

The airport is positioned at coordinates -54.931099, -67.626297 in an extreme southern latitude, characteristic of Tierra del Fuego's challenging geographical environment. Its location suggests potential for rapid weather changes and significant wind interactions due to the region's maritime and mountainous terrain. The airport experiences minimal fog (0.1% of observations) and consistently good visibility averaging 10 statute miles.

Approach Considerations

Runway 08/26 demonstrates excellent wind alignment, with 100% favorable wind conditions and an average crosswind of only 2.9 knots. Optimal visual flying conditions are most prevalent during October, September, and January. Pilots should anticipate westerly wind patterns and prepare for potential wind variability typical of the region's maritime climate.

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.