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FLIGHT WEATHER

Flight Weather for Pilot

Aviation weather resources for flight preparation, compiled by a current airline captain. Sections follow the order used in actual pre-flight checks: current conditions, then forecasts, then surrounding information. Every entry links to an official source, with the provider noted.

日本語版 →

By Route

Select a region to see its airports, charts and local meteorological agencies together.

Select airports to open their METAR/TAF together

Open METAR/TAF for selectedOpen all in this region
D-ATIS (click an airport)
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Some airports may show outdated information. Source: atis.guru

Charts

Weather Points (Morning)
Weather Points (Morning)Source: tenki.lbw.jpOpen provider page →
Weather Points (Evening)
Weather Points (Evening)Source: tenki.lbw.jpOpen provider page →
Weekly Forecast (CBC)
Weekly Forecast (CBC)Source: CBCテレビOpen provider page →
Surface Analysis
Surface AnalysisSource: 日本気象協会Open provider page →
24h Forecast Chart
24h Forecast ChartSource: 日本気象協会Open provider page →
48h Forecast Chart
48h Forecast ChartSource: 日本気象協会Open provider page →

Satellite Imagery

Choose the type and area

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Himawari Satellite ｜ Infrared・JapanSource: JMAOpen provider page →

Lightning Probability

Lightning Probability (Today)
Lightning Probability (Today)Source: IMOCOpen provider page →
Lightning Probability (+3h)
Lightning Probability (+3h)Source: IMOCOpen provider page →
Lightning Probability (+6h)
Lightning Probability (+6h)Source: IMOCOpen provider page →

Radar Echo

Check precipitation intensity on the map

Cumulonimbus (Aviation) ↗
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Source: GSI Tiles (GSI Japan) + High-resolution Precipitation Nowcast (JMA) ／ Open provider page →

No colour appears when there is no precipitation. The aviation cumulonimbus product cannot be embedded by JMA policy, so it opens in a new page.

Lightning Nowcast

12-frame lightning nowcast. Play to see the time sequence

Lightning Nowcast 1/12
Lightning Nowcast ｜ 1 / 12Source: sunny-spot.netOpen JMA Nowcast →

Real-time worldwide lightning detection (Blitzortung)

Source: Blitzortung.org ／ Open provider page →

Aviation Weather Charts

Domestic SIGWX (FBJP)
Domestic SIGWX (FBJP)Source: 気象庁 JMAOpen provider page →
Aviation Wx Commentary (AJPN)
Aviation Wx Commentary (AJPN)Source: 気象庁 JMAOpen provider page →
Aviation Wx Commentary (Fukuoka FIR)
Aviation Wx Commentary (Fukuoka FIR)Source: 気象庁 JMAOpen provider page →
Airspace Cross-section (AJPN)
Airspace Cross-section (AJPN)Source: 気象庁 JMAOpen provider page →
850hPa Wind/EPT (FXJP854)
850hPa Wind/EPT (FXJP854)Source: bk-pro.jpOpen provider page →
Showalter Stability Index
Showalter Stability IndexSource: cokbee.comOpen provider page →
Low-level SIGWX (Tokyo)
Low-level SIGWX (Tokyo)Source: 気象庁 JMAOpen provider page →
Low-level SIGWX (Osaka)
Low-level SIGWX (Osaka)Source: 気象庁 JMAOpen provider page →
Low-level SIGWX (Sapporo)
Low-level SIGWX (Sapporo)Source: 気象庁 JMAOpen provider page →
Low-level SIGWX (Fukuoka)
Low-level SIGWX (Fukuoka)Source: 気象庁 JMAOpen provider page →
200hPa Height/Temp/Wind/Tropopause
200hPa Height/Temp/Wind/TropopauseSource: HBCOpen provider page →
250hPa Upper-air Chart
250hPa Upper-air ChartSource: IMOCOpen provider page →
Asia/Australia 24h SIGWX
Asia/Australia 24h SIGWXSource: NOAA AWCOpen provider page →
West Pacific Satellite (WV)
West Pacific Satellite (WV)Source: CIMSS WisconsinOpen provider page →
West Pacific Satellite (IR)
West Pacific Satellite (IR)Source: CIMSS WisconsinOpen provider page →
Showalter Index (925hPa)
Showalter Index (925hPa)Source: cokbee.comOpen provider page →
Low-level SIGWX (Kagoshima)
Low-level SIGWX (Kagoshima)Source: 気象庁 JMAOpen provider page →
Low-level SIGWX (Naha)
Low-level SIGWX (Naha)Source: 気象庁 JMAOpen provider page →
Sakurajima Volcano Camera
Sakurajima Volcano CameraSource: bioweatherOpen provider page →

Hourly Atmospheric Analysis

Switch between level charts and cross-sections

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Hourly Atmospheric Analysis ｜ FL350Source: JMAOpen provider page →

Meteorological Agencies

Windy (Wind, Turbulence & Clouds)

View wind, clear-air turbulence (CAT), clouds and thunderstorms on an interactive map. Switch layers and regions.

Choose the layer and region. The map is interactive.

Source: Windy.com ／ Open in Windy →

Cumulonimbus Development (SuperC)

See where convective clouds are developing.

Track developing cumulonimbus on the map (SuperC)

Source: supercweather.com ／ Open provider page →

Charts by Airport

Aerodrome commentary and time-series forecast charts for 58 Japanese airports.

Select an airport to view its aerodrome commentary and time-series forecast

RJTT Haneda Aerodrome Weather Commentary
RJTT Haneda ｜ Aerodrome Weather CommentarySource: 気象庁 JMAOpen provider page →
RJTT Haneda Aerodrome Time-series Forecast
RJTT Haneda ｜ Aerodrome Time-series ForecastSource: 気象庁 JMAOpen provider page →

METAR / TAF

Current observations and forecasts for airports. Start here.

D-ATIS

Airport operational information (runway in use, approach type).

Aerodrome Forecast & Analysis

Detailed aerodrome forecasts and commentary by JMA.

Significant Weather & SIGMET

En-route significant weather. Essential for flight planning.

Surface & Upper-air Charts

Surface and upper-air analysis and forecast charts.

Satellite Imagery

Infrared, water vapour, visible and cloud-top enhancement.

Radar & Precipitation

Precipitation nowcast and radar imagery.

Lightning, CB & Stability

Lightning and cumulonimbus information.

Wind & Turbulence (CAT)

Winds aloft and clear-air turbulence for cruise planning.

Typhoon & Tropical Cyclone

Tropical cyclone tracking and forecasts.

Volcano & Ash

Volcanic eruption and ash information.

Asian Meteorological Agencies

Local meteorological services and radars in Asia.

Other Operational Information

GPS interference, runway conditions and more.

Airport Live Cameras

See the actual sky conditions at each airport.

This page is a collection of links to official pages of meteorological agencies and providers. All data and images remain the property of their respective providers. Please refer to each provider for content and update status.

For actual flight operations, always consult official aviation weather information and briefing materials. This page is for reference only and is not a basis for operational decisions.