Overall Red Tropical Cyclone for SINLAKU-26
in Northern Mariana Islands

Event summary

Tropical Cyclone SINLAKU-26 can have a high humanitarian impact based on the maximum sustained wind speed, exposed population and vulnerability.

GDACS ID TC 1001270
Name SINLAKU-26
From - To 09 Apr - 14 Apr
Exposed countries Northern Mariana Islands
Exposed population 50 thousand in Category 1 or higher
Maximum wind speed 287 km/h Category 5
Maximum storm surge 0.5 m (14 Apr 15:00 UTC)
Vulnerability Medium (Northern Mariana Is.)

GDACS Score

For more info on GDACS alert score click here.
Wind Storm surge Rainfall GDACS score
GDACS JTWC 287 km/h 1 m n.a. 2.5
Single TC: maximum expected impact (wind, storm surge, rainfall)
HWRF 274 km/h 1.2 m 1026 mm 2.5
GFS 216 km/h 0.9 m 865 mm 2.5
ECMWF 144 km/h 0.6 m 921 mm 0.5
Maximum expected impact (wind, storm surge and rainfall) using different data sources.
Virtual OSOCC
Meteo assessment
Satellite products
Analytical products
Guam, Northern Mariana Islands (USA) - Tropical cyclone SINLAKU (ECHO 14 Apr 2026)Fri, 10 Apr 2026 10:15

  • A new tropical cyclone named SINLAKU formed over the western North Pacific Ocean on 9 April and started moving north-west toward Guam and the far southern Northern Mariana Islands as a tropical storm. On 10 April at 0.00 UTC its centre was located over the ocean approximately 885 km south-east of Guam, with maximum sustained winds of 74 km/h.
  • SINLAKU is forecast to continue moving northwestward over the ocean, strengthening, and to make landfall over northern Guam on 14 April in the morning (UTC), with maximum sustained winds up to 194 km/h (Cat. 3 hurricane).
  • Heavy rainfall, strong winds and storm surges are forecast over Guam and the central-southern Northern Mariana Islands over 13-15 April.
Guam, Northern Mariana Islands (USA) - Tropical cyclone SINLAKU, update (ECHO 14 Apr 2026)Mon, 13 Apr 2026 09:40

  • Over 11-12 April, tropical cyclone SINLAKU continued moving north-west over the western North Pacific Ocean toward the Northern Mariana Islands and Guam, further strengthening. On 13 April at 00:00 UTC, its centre was located over the ocean approximately 455 km south-east of Guam, with maximum sustained winds of 287 km/h (Cat. 5 hurricane).
  • SINLAKU is forecast to pass between the Saipan and Tinian islands (north-central Northern Mariana Islands) on 14 April around 12:00 UTC, with maximum sustained winds up to 231 km/h (Cat. 4 hurricane).
  • According to the Federal Emergency Management Agency (FEMA), as of 13 April, seven shelters are in force as preventive measures across the Northern Mariana Islands.
  • Over the next 6 days, very heavy rainfall, strong winds and storm surges are forecast over most of the Northern Mariana Islands, while heavy rainfall is forecast over Guam for the next 4 days.
SINLAKU-26 - EC/ECHO daily mapMon, 13 Apr 2026 18:34

A new EC/ECHO daily map is now available
Detailed event map. European Union, 2026. Map produced by EC-JRC.
The boundaries and the names shown on this map do not imply official endorsement or acceptance by the European Union.

Updates on volcanic activity (Smithsonian)

Latest media headlines

View more news

Estimated casualties (PAGER)

USGS estimates the number of casualties for each earthquake for the Prompt Assessment of Global Earthquakes for Response (PAGER) product.
The graph shows the current fatalities estimate.

Exposed population

Data, images, links, services and documents

For this events, GDACS has links to information from the following sources: EC-JRC (40), INFORM (2), (1),