NWS Tiyan GUTR.W 4026October 1, 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 10:00 a.m. local time on October 2.
ExpiredWarning
Issued7:59 p.m. UTC+10, October 1, 2026
In force7:59 p.m. UTC+10, October 1, 2026
Expired10:00 a.m. UTC+10, October 2, 2026
In force for 14 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
- 7:59 p.m. UTC+10, October 1, 2026
- Expires
- 10:00 a.m. UTC+10, October 2, 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 winds 25 to 35 kt with gusts up to 55 kt and seas 11 to 16 feet. * WHERE...Tinian Coastal Waters 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...Tropical Storm Choi-wan (26W) continues to develop as it moves westward towards Anatahan and Alamagan. Tropical storm force winds may expand southward over Saipan and Tinian tonight. Seas will remain hazardous to small craft until further notice and could become hazardous by late tonight.
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.