Severe · Tropical Storm WarningActive alert

Tropical Storm Warning issued October 1 at 2:59PM ChST by NWS Tiyan

Affecting Tinian Coastal Waters; Saipan Coastal Waters

In effect until: Oct 1, 2026, 7:00 PM

Tinian Coastal Waters; Saipan Coastal Waters

Likely impact; effects through 7:00 PM.

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

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* 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 become hazardous to small craft by this
afternoon and could become hazardous by tonight.

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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™

Tropical Storm Warning issued October 1 at 2:59PM ChST by NWS Tiyan

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