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PacIOOS Wave Buoy 272: Rumung, Yap, FSM

Published by Coastal Data Information Program (CDIP) | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: January 26, 2026 | Last Modified: 2024-04-17T00:00:00.000+00:00
Wave buoy 272 measures wave height, wave direction, wave period, water temperature, air temperature, and surface currents at Rumung, Yap, approximately 1.25 miles (2 km) offshore of the northernmost barrier reef and approximately 3 miles (5 km) north of Rumung Island, the northernmost island of the Yap island group in the Federated States of Micronesia (FSM). Wave data are transmitted every half hour. Surface currents data are transmitted every 10 minutes. Water and air temperature data are transmitted every 5 minutes. Moored in water 650 meters deep, this Datawell Directional Waverider DRW4 buoy is equipped with three accelerometers measuring north/south, east/west, and vertical displacements, allowing it to measure both wave direction and wave energy. This buoy also uses an acoustic current meter (ACM) to measure the speed and direction of ocean currents at approximately 1 meter below the surface. The water temperature sensor is located at the base of the 0.9 meter spherical buoy, approximately 45 cm or 18 inches below the ocean surface. A compact air temperature (CAT4) sensor is attached to the antenna at approximately 2 meters above the ocean surface. Wave buoys are useful tools for forecasting local waves and are used by recreational and professional ocean users alike.

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Earth Science > Atmosphere > Atmospheric Temperature > Surface Temperature > Air Temperature Earth Science > Oceans > Ocean Circulation > Ocean Currents Earth Science > Oceans > Ocean Temperature > Water Temperature Earth Science > Oceans > Ocean Waves > Significant Wave Height Earth Science > Oceans > Ocean Waves > Wave Period Earth Science > Oceans > Ocean Waves > Wave Speed/Direction In Situ Ocean-based Platforms > Buoys In Situ Ocean-based Platforms > Moorings In Situ/Laboratory Instruments > Current/Wind Meters > > > Current Meters In Situ/Laboratory Instruments > Magnetic/Motion Sensors > Accelerometers > > Accelerometers In Situ/Laboratory Instruments > Profilers/Sounders > Acoustic Sounders > > ACM > Acoustic Current Meter In Situ/Laboratory Instruments > Temperature/Humidity Sensors > > > Temperature Sensors Ocean > Pacific Ocean > Western Pacific Ocean > Micronesia > Federated States of Micronesia > FSM Ocean > Pacific Ocean > Western Pacific Ocean > Micronesia > Federated States of Micronesia > Rumung Ocean > Pacific Ocean > Western Pacific Ocean > Micronesia > Federated States of Micronesia > Yap PacIOOS > Pacific Islands Ocean Observing System PacIOOS > Pacific Islands Ocean Observing System air_temperature sea_surface_wave_significant_height sea_surface_wave_from_direction sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment sea_surface_wave_period_at_variance_spectral_density_maximum sea_water_speed sea_water_temperature sea_water_to_direction latitude longitude time

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