8 Dec 2025: Tsunami Alert Issued for NE Japan

A magnitude-7.6 earthquake off the coast of Aomori Prefecture has triggered a tsunami warning. Early reports of 40cm waves, tsunamis up to 3m possible latest updates

All Wave Buoys | 6 hr Intervals | Hourly

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Yamagata (buoy) 6 Day Wave Buoy Record

Fri
 05
9AM
Fri
 05
3PM
Fri
 05
9PM
Sat
 06
3AM
Sat
 06
9AM
Sat
 06
3PM
Sat
 06
9PM
Sun
 07
3AM
Sun
 07
9AM
Sun
 07
3PM
Sun
 07
9PM
Mon
 08
3AM
Mon
 08
9AM
Mon
 08
3PM
Mon
 08
9PM
Tue
 09
3AM
Tue
 09
9AM
Tue
 09
3PM
Data Age 102 hr 96 hr 90 hr 84 hr 78 hr 72 hr 66 hr 60 hr 54 hr 48 hr 42 hr 36 hr 30 hr 24 hr 18 hr 12 hr 6 hr 0 hr
Wave height (m) & direction (?) -
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Dominant period (s) (?) - - - - - - - - - - - - - - - - - -
Average period (s) (?) - - - - - - - - - - - - - - - - - -
Wave
Graph

(?)
Wind
(kph)
Water Temp. °C - - - - - - - - - - - - - - - - - -
Show advanced wave information
Swell1 (m) & direction -
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Period (s) - - - - - - - - - - - - - - - - - -
Swell2 (m) & direction -
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Period (s) - - - - - - - - - - - - - - - - - -
Wave
Graph
(?)
  Fri
 05
9AM
Fri
 05
3PM
Fri
 05
9PM
Sat
 06
3AM
Sat
 06
9AM
Sat
 06
3PM
Sat
 06
9PM
Sun
 07
3AM
Sun
 07
9AM
Sun
 07
3PM
Sun
 07
9PM
Mon
 08
3AM
Mon
 08
9AM
Mon
 08
3PM
Mon
 08
9PM
Tue
 09
3AM
Tue
 09
9AM
Tue
 09
3PM
Show general weather
Mean Pressure at Sea Level - - - - - - - - - - - - - - - - - -
Temp. °C - - - - - - - - - - - - - - - - - -
  Fri
 05
9AM
Fri
 05
3PM
Fri
 05
9PM
Sat
 06
3AM
Sat
 06
9AM
Sat
 06
3PM
Sat
 06
9PM
Sun
 07
3AM
Sun
 07
9AM
Sun
 07
3PM
Sun
 07
9PM
Mon
 08
3AM
Mon
 08
9AM
Mon
 08
3PM
Mon
 08
9PM
Tue
 09
3AM
Tue
 09
9AM
Tue
 09
3PM

24 closest surf breaks to Yamagata (buoy):

1. Choshi (378 km SSE) 7. Tsujido Beach (406 km S) 13. Inamuragasaki (408 km S) 19. Oiso Jetty (411 km S)
2. Katagai (389 km SSE) 8. Kamakura (407 km S) 14. Rock Island (408 km S) 20. Shida (411 km S)
3. Torami (404 km S) 9. Sagami River (407 km S) 15. Osaki (409 km S) 21. Izumi (413 km S)
4. Chigasaki Jetty (406 km S) 10. Shichirigahama (407 km S) 16. zushi Marina (409 km S) 22. Hayama (414 km S)
5. Kugenuma Rivermouth (406 km S) 11. Shichirigahama (407 km S) 17. Hanamizu River (410 km S) 23. Hayama Cliffs (415 km S)
6. Shonan (406 km S) 12. Inamura Point (408 km S) 18. Tsurigasaki Surfing Beach (Tokyo 2020) (410 km S) 24. Sakawa River (417 km S)
Nearest locationNearest
Nearest locationNearest
Nearest locationNearest