TenkikaiWx

TenkikaiWx brings official U.S. National Weather Service forecasts and tropical hazard information for the Western Pacific into one clean, fast app, built for the Marianas, Palau, the Federated States of Micronesia, and the Republic of the Marshall Islands.

Whether you are tracking an approaching typhoon or just planning your day on the water, TenkikaiWx puts the sources that matter side by side.

FORECASTS • Zone and coastal waters forecasts direct from NWS Guam • Plain-language Area Forecast Discussion so you can read the forecaster's own reasoning • Coverage for Guam, Saipan, Rota, Tinian, Koror, Yap, Chuuk, Pohnpei, Kosrae, and Majuro

HAZARDS & ALERTS • Live NWS Watches, Warnings, and Advisories • Optional push notifications for your chosen region, including time-sensitive alerts that break through Focus and Do Not Disturb modes • Guam Homeland Security / Office of Civil Defense bulletins in an easy to read and accessible format

SATELLITE & RADAR • Himawari satellite imagery in both GeoColor and IR, courtesy of RAMMB/CIRA • WSR-88D NEXRAD Doppler Radar (PGUA) reflectivity, with short-fuse hazard polygon overlays for visual intepretation

MARINE & SKY • NOAA tide predictions and currents • Sun and moon rise/set and astronomy

Weather data is provided by the U.S. National Weather Service (NOAA), CIRA at Colorado State University, and Guam Homeland Security (GHS). TenkikaiWx is an independent app and is not affiliated with or endorsed by these agencies. Please continue to heed official forecasts from NWS Guam at weather.gov/gum. For official GHS bulletins, you can access them at ghs.guam.gov.