WTPQ31 PGUM 130047
TCPPQ1

BULLETIN
Super Typhoon Sinlaku (04W) Intermediate Advisory Number 16A
National Weather Service Tiyan GU WP042026
1047 AM ChST Mon Apr 13 2026

...SUPER TYPHOON SINLAKU MOVING NORTHWEST TOWARD THE MARIANAS...

CHANGES WITH THIS ADVISORY
--------------------------
None.

WATCHES AND WARNINGS
--------------------
A Typhoon Warning remains in effect for Rota, Tinian, and Saipan.
A Tropical Storm Warning and Typhoon Watch remain in effect for 
Guam. 
A Tropical Storm Warning and Typhoon Watch remain in effect for
Ulul in Chuuk State. 
A Tropical Storm Watch remains in effect for Pagan and Alamagan. 

Residents of Agrihan should carefully monitor the progress of Super 
Typhoon Sinlaku.


SUMMARY OF 1000 AM CHST...0000 UTC...INFORMATION
-----------------------------------------------
Location...12.2N 148.9E

About 255 miles north of Ulul
About 280 miles east-southeast of Rota
About 290 miles east-southeast of Guam
About 290 miles southeast of Tinian
About 295 miles southeast of Saipan 
About 385 miles north-northwest of Chuuk 
About 460 miles south-southeast of Pagan

Maximum sustained winds...180 mph
Present movement...northwest...305 degrees at 9 mph

DISCUSSION AND OUTLOOK
---------------------- 
At 1000 AM CHST...0000 UTC...the center of Super Typhoon Sinlaku was
located near Latitude 12.2 degrees North and Longitude 148.9 degrees
East. Sinlaku is moving northwest at 9 mph. It is expected to 
maintain this general course and speed through Tuesday. The onset of 
tropical storm force winds are expected to reach Guam, Rota, Tinian, 
and Saipan this evening or tonight. Typhoon force winds are expected 
to start reaching Rota, Tinian, and Saipan Tuesday or Tuesday 
afternoon. Latest JTWC forecast track has shifted the storm path 
slightly southward, with passage still expected near or over Tinian 
and Saipan.

Maximum sustained winds remain at 180 mph. Sinlaku is forecast to
gradually weaken through the next several days, still expecting to
cross the Marianas near or over Tinian and Saipan as a Category 4 or
Category 5 storm. 

Typhoon force winds extend outward from the center up to 60 miles. 
Tropical storm force winds extend outward from the center up to 275 
miles to the northeast and up to 215 miles elsewhere.

NEXT ADVISORY
-------------
The next scheduled advisory will be issued by the National
Weather Service at 200 PM ChST followed by an intermediate
advisory at 500 PM ChST.

$$

DeCou