First published Nov 8, 2026, 1:10:16 AM UTC · Last updated Nov 8, 2026, 1:10:16 AM UTC

Coastal and marine hazards

JMA High wave warning for Japan

Reported by JMA Weather and Disaster Warnings

JMA High wave warning for Japan. Additional details were not included in the source data received by Planet Briefing.

At a glance

Affected location: Abashiri region, Japan

Illustrative image: The Japan Meteorological Agency released the first images from the Himawari 8 satellite on 18 December 2014 at 11:40 Japan Standard Time, including this true-color composite image of the Earth. To make the picture closer to human beings’ colour vision but keep most of details, some enhancements are applied. Lighten Shadows: 30% Channels: Green– Green 90% / Blue– Red -5% Blue 90% Exposure: 25% Levels: Black 10% — Himawari 8 satellite operated by the Japan Meteorological Agency (enhanced by Meow )/Wikimedia Commons, CC BY 4.0

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Why it matters

Additional impact information was not included in the source data received by Planet Briefing.

Generated scores

Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.

Confidence: 7/10How certain the assessment is based on the clarity and evidence in the cited reporting.
Geographic reach: 3/10How widely the event reaches, from a local area (1) to worldwide impact (10).
Global importance: 2/10The event's broader significance, from limited importance (1) to major global importance (10).
Impact magnitude: 2/10The scale or severity of the real-world impact, from minor (1) to extreme (10).
Urgency: 5/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Primary official sources

JMA Weather and Disaster Warnings JMA High wave warning for JapanJapan Meteorological Agency (JMA) Usage terms

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