Headline:
Typhoon Warning issued October 18 at 12:31PM ChST by NWS Tiyan GU
Event:
Typhoon Warning
Urgency:
Immediate
Effective:
October 17, 2026 - 7:31pm
Expires:
October 18, 2026 - 9:45am
Description:
* WHAT...Typhoon conditions, including winds of 64 knots or more will
continue for Guam. Tropical storm conditions will continue for
Rota.
* WHERE...Guam and Rota Coastal Waters.
* WHEN...Destructive typhoon force winds are occurring in western
waters of Guam, but will decrease as Champi moves farther west away
from the Marianas. The eye of Champi is now well outside of the
coastal waters to the west. Damaging winds will continue through
today.
* IMPACTS...Destructive typhoon force and tropical storm force winds
will produce dangerous to deadly seas that could damage, capsize or
sink vessels, along with drastically reducing visibilities in heavy
rain.
* ADDITIONAL DETAILS...Super Typhoon Champi (29W) continues to move
quickly away from the Marianas as a Category 4 Super Typhoon. Seas
are expected to remain hazardous through tonight, with significant
sea heights as high as 24 feet over Guam coastal waters and 20
feet over Rota coastal waters. Dangerous sea conditions may
continue into Monday.
Instruction:
Conditions will remain catastrophic for small craft, and extremely
dangerous for any vessels of larger size over western waters of Guam
and Rota. Waters will remain hazardous across the remainder of the
waters. Stay in safe harbor until the all clear is given.
Area Description:
Guam Coastal Waters; Rota Coastal Waters
Forcast Office:
NWS Tiyan GU
Sender:
w-nws.webmaster@noaa.gov