Guam, Northern Mariana Islands (USA) - Tropical cyclone SINLAKU (ECHO 15 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 18 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
Guam, Northern Mariana Islands (USA), Micronesia - Tropical cyclone SINLAKU, update (ECHO 19 Apr 2026)Tue, 14 Apr 2026 09:22
- Tropical cyclone?SINLAKU is moving north-west over the northern Pacific Ocean towards the north-eastern coast of Saipan Island (northern Northern Mariana Islands). On?14 April at?00:00?UTC its centre was located approximately?120?km south-east of the eastern coast of Saipan, with maximum sustained winds of?250?km/?h.
- The cyclone is expected to continue north-west and to pass close to the northern coast of Saipan after?12:00?UTC on?14?April, with maximum sustained winds of up to?240?km/?h.
- According to FEMA, six shelters hosting?782?people are active in the Northern Mariana Islands, while seven shelters hosting?782?people are open in Guam. In addition, its passage through Micronesia (particularly Chuuk State) on?10–11?April caused the displacement of?100?people and resulted in widespread, serious damage on the islands of Weno, Tamatam, Piherarh, Onoun, Uman, Parem and Fanapanges.
- Over the next?48?hours very heavy rainfall, strong winds and storm surge are forecast for most of the Northern Mariana Islands, while heavy rainfall is expected over Guam for the next four days.
Guam, Northern Mariana Islands (USA) - Tropical cyclone SINLAKU, update (ECHO 20 Apr 2026)Wed, 15 Apr 2026 08:41
- Tropical cyclone SINLAKU made landfall over the central Tinian islands (north-central Northern Mariana Islands) on 14 April after 12 UTC, with maximum sustained winds of 231 km/h (Cat. 4 hurricane), and after that it continued moving north-west over the western North Pacific Ocean. On 15 April at 3.00 UTC, its centre was located over the ocean approximately 100 km north-west of the Tinian and Saipan islands, with maximum sustained winds of 204 km/h (Cat. 3 hurricane).
- The Federal Emergency Management Agency (FEMA) reports, as of 15 April, 306 currently evacuated people in eight shelters across the Northern Mariana Islands and 858 evacuated people in seven shelters across Guam. The governor of Guam declared a state of emergency.
- SINLAKU is forecast to continue moving north over the ocean over 15-19 April, very far from the Northern Mariana Islands and Guam, further weakening and becoming a tropical storm.
- Over the next 96 hours, heavy rainfall with locally very heavy rainfall, strong winds and storm surges are still forecast over most of the Northern Mariana Islands and Guam. The typhoon warning issued by NOAA over the Northern Mariana Islands is still in force.
Guam, Northern Mariana Islands (USA) - Tropical cyclone SINLAKU, update (ECHO 21 Apr 2026)Thu, 16 Apr 2026 09:54
- Tropical Cyclone?Sinlaku is moving north-east over the ocean and on?16?April at?03:00?UTC, its centre was located over the ocean approximately 144?km west of Alamagan Island, with maximum sustained winds of 185?km/?h.
- According to the Federal Emergency Management Agency (FEMA), a total of 1?080 people remain still evacuated in 16 evacuation centres, 320 in the Northern Mariana Islands and 760 in Guam. Additionally, FEMA and media report power and water outages, particularly on Guam, Saipan, Rota and Tinian.
- Sinlaku is forecast to continue north-northeast over the ocean; it will continue to pull away from Tinian and Saipan and will pass west of Alamagan, Pagan and Agrihan, before turning more to the northeast and passing north of Agrihan on?17?April, weakening.
- Over the next?48?hours, heavy to very heavy rainfall, strong winds and storm surges are forecast for most of the Northern Mariana Islands and Guam. A Typhoon Warning is in effect for Rota, Tinian, Saipan, Alamagan, Pagan and Agrihan islands.
SINLAKU-26 - Copernicus EMS activationWed, 22 Apr 2026 06:10
[EMSR872] Tropical Cyclone Sinlaku in Micronesia
