Track real-time wave heights from the NORTHWESTERN HAWAII TWO - 186 NM NW of Kauai Is., HI buoy (Station 51101) serving Hawaii. View live swell data, wave periods, wind direction, and ocean conditions now — essential for surfers, mariners, and forecasters.

Current Conditions

5.9ft
Swell Height

Last updated: 1/27/2026, 12:10:00 PM

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About NORTHWESTERN HAWAII TWO - 186 NM NW of Kauai Is., HI Buoy

The NORTHWESTERN HAWAII TWO - 186 NM NW of Kauai Is., HI buoy is part of the NOAA National Data Buoy Center (NDBC) network. It continuously measures swell height, wave period, direction, and marine weather for mariners near Hawaii. This data supports safe navigation, surf forecasting, weather modeling, and coastal research around Hawaii.

NOAA's National Data Buoy Center manages this platform to deliver marine weather and sea-state measurements for forecasts and maritime safety.

Data Applications

  • Surfers: Track swell height, period, and direction to time sessions and compare nearby breaks.
  • Mariners: Monitor sea state and wave energy for safer transits and offshore operations.
  • Weather forecasters: Analyze storm-driven waves and ocean-atmosphere interactions for regional forecasts.
  • Researchers: Study long-term wave climate trends, coastal erosion, and renewable energy potential.

New to Buoy Data?

Understanding wave metrics helps you make better decisions on the water. Explore these guides: