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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Umpqua Offshore, OR Detailed Wave Buoy Record

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Data Age 17 hr 16 hr 15 hr 14 hr 13 hr 12 hr 11 hr 10 hr 9 hr 8 hr 7 hr 6 hr 5 hr 4 hr 3 hr 2 hr 1 hr 0 hr
Wave height (m) & direction (?) 2.2
2.4
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Dominant period (s) (?) 10 10 10 10 11 11 10 11 13 - 12 13 11 13 13 11 12 -
Average period (s) (?) 6.2 6.6 6.7 7.2 7.1 7.3 7.3 7.1 7.3 - 7.6 8.0 7.7 8.1 8.4 8.3 8.4 -
Wave
Graph

(?)
Wind
(kph)
Water Temp. °C 12.7 12.8 12.8 12.8 12.7 12.7 12.7 12.7 12.7 12.7 12.6 12.7 12.7 12.7 12.7 12.7 12.7 -
Show advanced wave information
Swell1 (m) & direction -
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Period (s) - - - - - - - - - - - - - - - - - -
Swell2 (m) & direction -
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Wave
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(?)
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Show general weather
Mean Pressure at Sea Level - - - - - - - - - - - - - - - - - -
Temp. °C 12.6 12.6 12.9 12.8 12.7 12.7 12.9 13.0 13.0 12.6 12.4 - - - - - - -
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24 closest surf breaks to Umpqua Offshore, OR:

1. Winchesteer Bay/Umpqua Jetty (30 km ESE) 7. Coos Bay Bastendorf Beach (50 km SSE) 13. Agate Beach (105 km NNE) 19. Otter Rock (116 km NNE)
2. Florence-North Jetty (43 km NE) 8. Simpsons Reef (52 km SSE) 14. Avalanche (107 km NNE) 20. Boiler Bay (125 km NNE)
3. Florence-South Jetty (43 km NE) 9. Yachats (70 km NNE) 15. North Agate (108 km NNE) 21. Gleneden Beach (131 km NNE)
4. Coos Bay North (48 km SSE) 10. Bandon Beaches (76 km S) 16. Moolack (109 km NNE) 22. Frankport (133 km S)
5. Coos Bay-South Jetty (49 km SSE) 11. Newport-South Beach (100 km NNE) 17. Port Orford (114 km S) 23. Taft (Siltetz River) (135 km NNE)
6. Bastendorff Beach (50 km SSE) 12. Newport-The Box (102 km NNE) 18. Devil s Punch Beverly Beach (115 km NNE) 24. Lincoln City (137 km NNE)
Nearest locationNearest
Nearest locationNearest
Nearest locationNearest