Severe Tropical Storm Warning | Effective 10/02/2026 15:50

Headline: 
Tropical Storm Warning issued October 3 at 8:50AM ChST by NWS Tiyan GU
Event: 
Tropical Storm Warning
Urgency: 
Immediate
Effective: 
October 2, 2026 - 3:50pm
Expires: 
October 3, 2026 - 1:00am
Description: 
* WHAT...Southwest tropical storm force wind to 45 kt with gusts to 60 kt and seas 14 to 20 feet. * WHERE...Tinian and Saipan Coastal Waters. * WHEN...Until further notice. * IMPACTS...Very strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. * ADDITIONAL DETAILS...Typhoon Choi-wan (26W) continues to strengthen as it turns north-northeast near the northern Marianas west of Pagan, with tropical storm force winds continuing at Saipan. Hazardous seas continue.
Instruction: 
A tropical storm warning means sustained winds of 34 to 63 kt are expected due to a tropical storm within 36 hours.
Area Description: 
Tinian Coastal Waters; Saipan Coastal Waters
Forcast Office: 
NWS Tiyan GU
Sender: 
w-nws.webmaster@noaa.gov