Authoritative sources for weather, marine conditions, and emergency info in the Marianas. All public domain (US government). Bookmark these on your phone, check them before doing anything marine or outdoor.
NATIONAL WEATHER SERVICE
- NWS Guam (Tiyan) main page: Tiyan, GU
- NWS Guam RSS feed (auto-updates): https://www.weather.gov/gum/rss
- NWS API (free, no key, structured JSON): https://api.weather.gov/
- Active alerts (CNMI + Guam): https://www.weather.gov/gum/alerts
TROPICAL CYCLONE TRACKING
- JTWC (Joint Typhoon Warning Center): https://www.metoc.navy.mil/jtwc/jtwc.html
- NHC (National Hurricane Center — for east Pacific context): https://www.nhc.noaa.gov/
- Central Pacific Hurricane Center (Hawaii, useful for storms approaching from east): https://www.weather.gov/cphc/
MARINE + TSUNAMI
- NOAA Tides & Currents (Saipan station): Station Selection - NOAA Tides & Currents
- Pacific Tsunami Warning Center: https://www.tsunami.gov/
LOCAL EMERGENCY MANAGEMENT
- CNMI Homeland Security & Emergency Management (HSEM): https://www.cnmihsem.gov.mp/
- Guam Homeland Security / Office of Civil Defense: https://ghs.guam.gov/
- CNMI Governor’s Office press releases: https://governor.gov.mp/
- Guam Power Authority (GPA) outage map: https://www.guampowerauthority.com/
- Commonwealth Utilities Corp (CUC) CNMI outages: https://www.cuccnmi.com/
This thread stays pinned. If a URL changes, drop the new one in a reply and I will update the first post.