Tropical Storm Mawar approaches Guam and the Marianas – Ports Closed

Issue TypeSevere weather conditions
ImpactComplete Closure
When is the issue expected to end?2023/05/25

Please be informed that the government of Guam has ceased operations due to the approaching Mawar typhoon.

Guam and the Marianas are now under COR 2, and all establishments and residences are advised to secure and prepare for typhoon impact. Power and water outages are expected.

Tropical Storm Mawar Heads Toward Guam – The New York Times (

As per the Harbor Master update, the port TOS system was shut down at 9 am local time today and won’t be up until Condition of Readiness (Cor) 4 is announced. Hence, no vessel berthing/unberthing or cargo ops in port.