Whitegrass Airport

NVVW / TAH

Tanna Island, VU

Last Updated
May 15, 18:00Z

Current Weather

Display Units
Fresh 17 min ago
18:00Z

🌙 Night
VFR
Flight Rules
25°C
Temperature
Dewpoint: 22°C
8 kt
90°
10+ km
Visibility
12,000 ft
Ceiling
Above Ground Level
--
QNH
Altimeter Setting

Raw METAR

METAR NVVW 151800Z 09008KT 9999 SCT020 BKN120 25/22 Q1011

Clouds - Visual Profile

12,000ft
9,000ft
6,000ft
3,000ft
Ground
Field Elev: 19 ft
SCT 2,000 ft AGL
BKN 12,000 ft AGL
SCT
Scattered (3/8-4/8 sky coverage)
2,000 ft
AGL (Above Ground)
2,019 ft AMSL
☁️
BKN
Broken (5/8-7/8 sky coverage)
12,000 ft
AGL (Above Ground)
12,019 ft AMSL

Weather Briefing

VFR

Whitegrass Airport is currently reporting visual flight rules (VFR) conditions with broken clouds at 12,000 feet and 10 miles or greater visibility.

Wind Analysis

Winds are from the east (90°) at 8 knots. Runway 15/33 is favored with a 4-knot headwind and 7-knot crosswind component.

Visibility & Ceiling

Visibility is unrestricted. The ceiling is 12000 feet AGL (broken), well above standard VFR minimums.

Temperature & Moisture

Temperature is 25°C (77°F) with a dewpoint of 22°C. The narrow temperature-dewpoint spread suggests high humidity and potential for visibility restrictions, especially during cooling periods.

Forecast Outlook

The TAF forecast covers the next 24 hours. Conditions are expected to fluctuate between VFR and MVFR. VFR pilots should be prepared for deteriorating conditions. Expected weather includes: Light Showers Rain. There is a 30% probability of MVFR conditions with Light Showers Rain.

Pilot Recommendations

Conditions are favorable for visual flight. The narrow temperature-dewpoint spread creates risk of fog formation, particularly during evening and early morning hours. 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 NVVW 151700Z 1518/1618 VRB02KT 9999 SCT020 PROB30 INTER 1521/1524 9000 -SHRA BKN020 BECMG 1520/1522 11010KT
Upcoming Changes (Next 12 Hours)
18:16Z BASE
+0h
VFR VRB 2 kt
Visibility: 10+ km
18:16Z PROB30
+0h
MVFR
Visibility: 9 km
Ceiling: 2,000 ft
Light Showers Rain
20:00Z BECMG
+2h
VFR 110° 10 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
VVW
15 ✈️
33

Runway Information

Runway Length Width Surface Heading Wind Component
✈️ 15/33
Active: 15
4,035 ft 98 ft ASP 157°
4.0 kt 6.9 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 - NVVW

3,033 observations | Sep 2025 - May 2026

Flight Rules Distribution

VFR
75.6%
MVFR
23.7%
IFR
0.6%
LIFR
0.1%

Whitegrass Airport typically experiences VFR conditions 75.6% of the time, though instrument-rated pilots will find IFR weather present approximately 0.7% of observations. Prevailing winds are from the S averaging 8 knots, with gusts recorded up to 211 knots. Calm conditions occur 30.6% of the time. Temperatures typically range between 16°C and 34°C with an average of 27.5°C. The best months for VFR flying are December, November, May.

Wind Analysis

Prevailing Direction: S (180°)
Average Speed: 8 kt
Maximum Recorded: 211 kt
Calm Winds: 30.6%
Direction Distribution:
N
9%
NE
3.4%
E
18.5%
SE
15.5%
S
19.9%
SW
1.4%
W
0.6%
NW
1%

Temperature Range

Average: 27.5°C
Range: 16°C to 34°C
16°C 34°C

Visibility

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

Best Months for VFR

December November May

Runway Wind Analysis

Runway 15/33
Favorable wind: 100%
Avg crosswind: 4.6 kt

Statistics computed from 3,033 METAR observations (Sep 2025 - May 2026). Data sourced from official aviation weather services. Updated daily.

Whitegrass Airport - Airport Information

Airport Details

ICAO Code: NVVW
IATA Code: TAH
Type: medium airport
Status: active
Elevation: 19 ft MSL

Location

City: Tanna Island
Country: VU
Latitude: -19.455099°
Longitude: 169.223999°
Time Zone: Etc/GMT-11

Runway Information

Runway 15/33
Length: 4,035 ft
Width: 98 ft
Surface: ASP
ILS: No

About Whitegrass Airport

Overview

Whitegrass Airport serves Tanna Island in Vanuatu, positioned at a low elevation of 19 ft MSL. As a medium airport with a single 4,035 ft asphalted runway (15/33), it provides essential aviation access to this South Pacific island location, supporting regional transportation needs.

Flying Conditions

The airport experiences predominantly VFR conditions, with 79.3% of observations reporting clear weather and only 0.2% IFR conditions. Prevailing winds from the southeast (135°) average 8.2 knots, with temperatures consistently warm, ranging from 16°C to 34°C and averaging 27.1°C. November, December, and October represent the most favorable VFR months.

Notable Features

Located at coordinates -19.455099, 169.223999, Whitegrass Airport sits in a tropical maritime environment characteristic of Vanuatu's island terrain. The runway experiences favorable wind alignment 100% of the time, with an average crosswind component of just 4.7 knots, providing generally stable approach conditions.

Approach Considerations

Pilots can expect consistent wind conditions from the southeast, with calm periods occurring 27.4% of the time. The runway's orientation and length suggest straightforward approaches, with excellent visibility averaging 10 statute miles and minimal instances of reduced meteorological conditions. Exceptional visibility and wind stability make this a predictable operational environment.

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.