WTPQ31 PGUM 171307
TCPPQ1

BULLETIN
Typhoon Sinlaku (04W) Intermediate Advisory Number 34A
National Weather Service Tiyan GU WP042026
1107 PM ChST Fri Apr 17 2026

...TYPHOON SINLAKU MOVING NORTHEAST AND PASSING THROUGH THE FAR
NORTHERN MARIANAS...

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

WATCHES AND WARNINGS
--------------------
A Typhoon Warning remains in effect for Alamagan, Pagan, and 
Agrihan in the CNMI and the adjacent coastal waters.

SUMMARY OF 1000 PM CHST...1200 UTC...INFORMATION
-----------------------------------------------
Location...20.8N 146.2E

About 145 miles north-northeast of Agrihan
About 185 miles north of Pagan
About 220 miles north of Alamagan
About 395 miles north of Saipan
About 405 miles north of Tinian
About 460 miles north of Rota
About 515 miles north of Guam

Maximum sustained winds...90 mph
Present movement...northeast...45 degrees at 8 mph

DISCUSSION AND OUTLOOK
----------------------
At 1000 PM CHST...1200 UTC...the center of Typhoon Sinlaku was 
located near Latitude 20.8 degrees North and Longitude 146.2 degrees 
East. Sinlaku is moving northeast at 8 mph. It is expected to make a 
slight turn toward the north-northeast with a slight increase in 
forward speed through Saturday. Tropical storm force winds continue 
at Alamagan and Pagan through late tonight or early Saturday morning 
and through Saturday morning at Agrihan

Maximum sustained winds remain at 90 mph. Sinlaku is forecast to
weaken through Saturday.

Typhoon force winds extend outward from the center up to
85 miles. Tropical storm force winds extend outward from the
center up to 270 miles to the northeast and up to 235 miles
elsewhere.

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

$$

Williams