Current Weather
Raw METAR
Clouds - Visual Profile
Weather Briefing
MVFROsvaldo Vieira International Airport is currently reporting marginal VFR (MVFR) conditions with scattered clouds at 1,000 feet and 8 km visibility.
Wind Analysis
Winds are calm, presenting no crosswind concerns for any runway.
Visibility & Ceiling
Visibility is 8 km, below VFR minimums in some airspace classifications. Check local requirements before departing VFR. No ceiling exists. Cloud layers reported: scattered at 1,000 ft.
Temperature & Moisture
Temperature is 24°C (75°F) with a dewpoint of 23°C. The temperature-dewpoint spread is very narrow, indicating saturated or near-saturated air. Fog formation or low cloud development is likely.
Forecast Outlook
The TAF forecast covers the next 24 hours. IFR conditions are expected to persist or develop. An instrument rating and IFR flight plan are recommended. Expected weather includes: Thunderstorm Rain. There is a 30% probability of IFR conditions with Thunderstorm Rain between 03:00Z and 07:00Z.
Pilot Recommendations
VFR pilots should exercise caution. Consider filing IFR if instrument rated, or postponing the flight if conditions are expected to deteriorate further. 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)
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Airport Runway Layout
Runway Information
| Runway | Length | Width | Surface | Heading | Wind Component |
|---|---|---|---|---|---|
| 03/21 | 10,499 ft | 148 ft | ASP | 19° | No wind data |
Weather Statistics - GGOV
5,863 observations | Sep 2025 - Jul 2026Flight Rules Distribution
Osvaldo Vieira International Airport is frequently affected by reduced visibility conditions, with VFR weather only 17.8% of the time and IFR/LIFR conditions occurring in 2.2% of observations. Prevailing winds are from the NE averaging 5.5 knots. Temperatures typically range between 17°C and 41°C with an average of 27.4°C. The best months for VFR flying are July, October, March.
Wind Analysis
Temperature Range
Visibility
Best Months for VFR
Runway Wind Analysis
Statistics computed from 5,863 METAR observations (Sep 2025 - Jul 2026). Data sourced from official aviation weather services. Updated daily.
Osvaldo Vieira International Airport - Airport Information
Airport Details
Location
Runway Information
Flight Planning Tools
Nearby Airports
About Osvaldo Vieira International Airport
Overview
Osvaldo Vieira International Airport serves Bissau, the capital city of Guinea-Bissau, as its primary international airport. Located at an elevation of 129 feet MSL, the airport provides critical aviation infrastructure for this West African nation. The airport supports medium-sized aircraft operations with a substantial 10,499-foot runway.
Flying Conditions
Weather observations indicate predominantly marginal visual flight rules (MVFR) conditions, with 77.9% of METAR reports showing MVFR and only 20.7% pure VFR conditions. Prevailing winds from the northeast (45°) average 5.4 knots, with occasional gusts up to 20 knots. Temperature variations are moderate, ranging from 17°C to 36°C with an average of 26.7°C.
Notable Features
The airport's single runway (03/21) is an asphalt surface positioned to align well with prevailing wind patterns. Wind data suggests near-ideal runway alignment, with 100% favorable wind conditions and minimal average crosswind of just 2 knots. Visibility is consistently good, averaging 10 statute miles with extremely rare instances of reduced visibility.
Approach Considerations
September, October, and January represent the most favorable months for visual flight operations. Pilots should anticipate northeast winds and prepare for primarily MVFR conditions. The long runway and consistent wind patterns provide reliable approach and departure opportunities throughout the year.
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.
Learn More
Recommended guides based on current conditions at GGOV
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.