WWGM80 PGUM 121011 AWWGUM GUZ001-151000- Airport Weather Warning for Guam International Airport National Weather Service Tiyan GU 811 PM ChST Sun Apr 12 2026 An Airport Wind Advisory is in effect for the Guam International Airport. The onset of tropical storm force conditions are expected within 24 hours and this advisory will remain in effect until further notice. Expect winds from the NNE or 20 degrees at 15 to 25 knots with gusts to 35 knots and will continue to increase and shift northwest as Super Typhoon Sinlaku approaches the Marianas. Tropical storm conditions are expected Monday night through Wednesday, with typhoon conditions possible. For specific wind information and updates, see the latest typhoon local statement, under the WMO header WTPQ81 PGUM or on our website at: www.weather.gov/gum/cyclones. $$ Cruz