Tropical Storm Warning issued October 3 at 8:26AM ChST…

Tropical Storm Warning issued October 3 at 8:26AM ChST by NWS Tiyan GU, United States of America

Event time: Oct 2, 2026 22:26 UTC Last updated: Oct 11, 2026 United States

Icon = what happened · ring colour = how serious: Extreme Severe Moderate Minor

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...TYPHOON CHOI-WAN MOVING NORTH AND SWINGING PAST PAGAN...

.NEW INFORMATION...
None.

.AREAS AFFECTED...
This local statement provides information and recommended actions
for people on Saipan, Tinian, Agrihan, Pagan and Alamagan in the
Commonwealth of the Northern Marianas.

.WATCHES/WARNINGS...
A Typhoon Warning remains in effect for Alamagan, Agrihan and Pagan
in the CNMI.
A Tropical Storm Warning remains in effect for Tinian and Saipan and
their adjacent waters in the CNMI.

A Flood Watch remains in effect for all of Guam and the Northern
Marianas. Please listen closely for any Flood Warnings that might be
in effect for your area.

Please check the latest public and marine forecasts for detailed
information about additional hazards.

.STORM INFORMATION...
At 7 AM ChST, the center of Typhoon Choi-wan (26W) was located near
latitude 18.4N and longitude 144.9E. This was about 235 miles north-
northwest of Saipan, and about 55 miles west-southwest of Agrihan.
Storm motion was north, 10 degrees, at 6 mph with maximum sustained
winds of 85 mph. Choi-wan is expected to make a slight turn toward
the north- northeast with a slight increase in forward speed through
Sunday, passing to the west of Pagan shortly. Choi-wan is forecast to
intensify through tonight, becoming Category 2 as it passes Agrihan
today, then Category 3 tonight as it moves away.

.SITUATION OVERVIEW...
Typhoon Choi-wan continues to intensify, and is expected to become a
Category 2 typhoon later today as it passes to the northwest of
Agrihan, with the wind field expected to expand a little more as
well. As such, a Typhoon Warning remains in effect for Alamagan,
Pagan and Agrihan. Due to the enhancement of the monsoon surge along
the southern peripheries of Choi-wan, this is expected to continue to
bring TS conditions to Tinian and Saipan the rest of today, as well
as heavy downpours and strong gusts occasionally exceeding 60 mph at
Guam and Rota.

Measurements

Coordinates	39.9645, -100.8105
Region	Tinian; Saipan
Location Precision	country
Issuing Authority	United States of America — us-noaa-nws-en
Cap Urgency	Immediate
Cap Certainty	Likely
Cap Expires	2026-10-03T15:00:00+10:00

Official source

Warnings courtesy of the issuing national meteorological service, via the WMO Alert Hub.

This is an official warning issued by the authority named above. Follow its instructions and those of your local emergency services.

Severity as published by WMO Alert Hub (national weather services).

View original report

This event as JSON · API and licence

Source updated 16 days ago (Oct 2, 2026 22:27 UTC) · we last heard from WMO Alert Hub (national weather services) 25 seconds ago

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About this location

The agency did not publish coordinates for this warning. The pin is the centre of the country, not the location of the event — read the area name, not the map, for where it applies.

Area as the agency stated it: Tinian; Saipan

Official authorities in United States

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