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NWS Tiyan GUTR.W 4026October 3, 2026

Tropical Storm Warning: Tinian Coastal Waters and Saipan Coastal Waters

The National Weather Service office in Tiyan issued a tropical storm warning for Tinian Coastal Waters and Saipan Coastal Waters, which was in force until 6:00 p.m. local time on October 3.

ExpiredWarning

Issued8:50 a.m. UTC+10, October 3, 2026
In force8:50 a.m. UTC+10, October 3, 2026
Expired6:00 p.m. UTC+10, October 3, 2026

In force for 9.2 hours; it has expired. The agency may have replaced it with a new notice.

The notice

Issued by
National Weather Service, Tiyan GU
Area
Tinian Coastal Waters and Saipan Coastal Waters
Level
Warning
Issued
8:50 a.m. UTC+10, October 3, 2026
Expires
6:00 p.m. UTC+10, October 3, 2026
CAP severity, certainty, urgency
Severe, Likely, Immediate
VTEC event
PGUM TR.W 4026
Official source
National Weather Service: the notice at its source

NWS notices, October 2026The latest from the National Weather Service

Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.

The notice as issued

* 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.

What the agency told people to do

A tropical storm warning means sustained winds of 34 to 63 kt are expected due to a tropical storm within 36 hours.

Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.

The record around this notice