Last updated: November 13, 2026
Is Japan Meteorological Agency down? User reports indicate possible problems with Japan Meteorological Agency
Japan Meteorological Agency runs the national weather service of Japan, and its website carries forecasts, warnings and disaster information for every region. Readers check the Kikikuru risk maps, typhoon tracks, earthquake and tsunami bulletins and AMeDAS observation data. The site also posts past weather records and volcanic activity notes.
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Japan Meteorological Agency uptime and reports
Live report counts and the day by day record for the last 30 days.
User reports received in each period.
Last 30 days, day by day: 14 October 2026 to 12 November 2026
Green: up. Red: outage. Amber: some checks failed. Grey: no record yet.
The daily record builds from today as our checks run. Grey days have no saved record yet. A red day marks a confirmed outage.
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Japan Meteorological Agency on social media
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Posts on Bluesky saying Japan Meteorological Agency is down. Checked 11 November 2026, 8:04 AM PKT.
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Guides that can fix it
Step by step fixes for the problems people report most.
→ Is It Down for Me or Everyone? The Four-Step Check
→ Login Problems That Are Not an Outage
→ How to Clear the Cache in Firefox, Safari and Edge
Is Japan Meteorological Agency down right now?
Readers send Japan Meteorological Agency down reports when warning pages stall, and the live Japan Meteorological Agency status board collects them here. Heavy rain and big quakes push huge crowds to the site at once. A slow page at that moment often means traffic, not a dead server.
Some sections run apart from the main site, such as the risk maps and the data archives. One part can fail while the rest answers as normal. Reports that name the section help separate a local jam from a wide fault.
Is Japan Meteorological Agency down for me or everyone?
Reload the page over mobile data with Wi-Fi switched off. If the map draws there, your home route holds the block, and the is Japan Meteorological Agency down for me answer leans local. If both routes fail on the same page, the fault sits with the agency systems.
Kikikuru risk maps for rain disasters
Kikikuru paints flood, landslide and inundation risk on one map in near real time. Colors deepen as danger grows for each river and slope. During a storm the tiles lag a few minutes behind the newest rain data.
The map opens from the disaster prevention pages and zooms down to your town. A grey tile means the layer still loads, not that the area is safe.
Warnings, forecasts and typhoon pages
Warning pages list active alerts by prefecture and town with issue times. Typhoon pages add the track cone, wind field and expected rainfall. A cached page can show a lifted warning as still active, so a hard reload matters. Weather watchers who compare storm warnings across countries often open the Met Office pages for the British view.
AMeDAS and past weather data
AMeDAS stations report rain, wind and temperature from over a thousand points. The data search opens past records by station, element and day range. Large pulls time out on slow links, and splitting the range into smaller chunks fixes most failed downloads.
Earthquake, tsunami and volcano information
Quake pages post intensity maps and epicenter details within minutes of a strong shake. Tsunami bulletins follow with expected heights and arrival times by coast. Volcano pages carry alert levels and activity notes for watched peaks across the country.
Common Japan Meteorological Agency Problems and Fixes
Try these steps before you assume a map or data page is gone for good. The site splits content across several systems, and each fails in its own way. The checks below run from a simple reload to the archive search settings.
Hard reload the warning page
Hold the reload key or clear the site cache to drop the saved copy. Warning pages change fast during storms, and browsers cling to old versions. A fresh pull shows the newest issue and lifting times.
Switch the map layer and zoom level
Toggle the Kikikuru layer off and on, then zoom one step in or out. Stuck tiles often belong to a single layer or scale. The base map drawing again tells you the map engine itself is alive.
Split a past data search into smaller ranges
Ask for one station and one element at a time when a pull fails. Wide ranges strain the archive and time out during busy hours.
Turn off ad and script blockers for the site
Blockers can kill the map scripts while the text of the page still loads. Allow the agency domain in your blocker, then reload the page. The maps and charts should draw within seconds.
Try the text version of the warning list
The plain text warning pages carry the same alerts without the map engine. They load fast even on weak links and old phones. Bookmark the text page for your prefecture before storm season.
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Frequently Asked Questions
How can I tell if a Japan Meteorological Agency outage is under way?
Check whether several sections fail at once, such as warnings, maps and data pages together. A single stuck page is often a cache or traffic snag. Official notices on the top page confirm wide faults and planned maintenance.
Why does the Kikikuru map show grey tiles over my town?
Grey tiles mean the risk layer still loads or has no fresh data for that square. Zoom in once and wait a few seconds before reading the colors. Never treat a grey tile as proof that an area is safe.
What does Kikikuru show that a normal forecast does not?
A forecast tells the rain expected for a wide area around you. Kikikuru turns rain and river data into street-level danger colors for floods and landslides.
Can I download Japan Meteorological Agency data as a file?
Yes, the past data search offers file downloads for station records. Pick the station, the elements and the range, then save the result. Long ranges split into several files, so keep the names in order.
Where do I find warnings for my town on the site?
Open the warning map, pick your prefecture, then your municipality from the list. The page lists each active alert with its issue time.
Does the site post tsunami information in English?
Key disaster pages carry English versions, including tsunami and earthquake bulletins. The English pages update a little behind the Japanese originals during fast events.