Tropical storm warning now in effect for Guam


The National Weather Service (NWS) Guam Weather Forecast Office continues to monitor what is now Tropical Depression 06W, formerly known as Joint Typhoon Warning Center Invest Area 94W.

A tropical storm warning is now in effect for Guam, meaning tropical storm conditions, including damaging winds of 39 mph or more, are expected early Tuesday morning through Tuesday afternoon.

As of 1 p.m., 06W was located 11.4 degrees north latitude and 146.9 degrees east longitude, about 200 miles southeast of Guam. It is currently moving west-northwest at 12 mph with maximum sustained winds of 35 mph.

06W is expected to maintain its intensity through tonight then slowly intensify, becoming a tropical storm Tuesday morning. At that time, low-end tropical storm force conditions are expected for Guam. Typhoon force winds are not expected.

Guam can expect sustained winds of 15 to 25 mph with gusts to 35 mph tonight, and 20 to 30 mph with gusts up to 40 possible in the stronger showers and thunderstorms Tuesday. Stronger gusts are likely across the southern coastal waters. Stronger tropical storm-force winds are expected just off the shore of Merizo and for southern Guam. The system’s closest point of approach is expected Tuesday morning.

It is important to remember any northward shift of the system’s current track or change in intensity could shift heavier winds over more of Guam.

Prepare Now

The community is reminded to prepare for any circumstance and take the following precautionary measures now:

· Stay up to date with the latest information. The system track or intensity may change and advisories may be issued.

· Locate or prepare your emergency preparedness kits for your household; stock up on non-perishable food items and water for your household, flashlights, first-aid kits, batteries, matches or lighters, portable stove, toiletries, etc. Visit for more information on what to include in your supplies list.

· Secure important documents such as birth certificates, tax papers, and insurance documents and keep copies in a water-proof bag.

· Clear loose debris around your yard and store any items such as tents and canopies, that may become airborne with heavy winds, before inclement weather arrives.

· Gas your vehicles and get fuel for your generators now while the weather is clear.

· Be prepared to take action if flood advisories are issued. In inclement weather, avoid camping, parking, or hiking along streams, rivers, and creeks during heavy rainfall. These areas can flood quickly and with little warning. Visit to learn more.

The Offices of Guam Homeland Security and Civil Defense (GHS/OCD), with NWS, will continue to monitor all systems in the area and provide updates as needed.

Visit the following links for the latest advisory information:

· NWS Website:

· NWS Facebook:

· GHS/OCD Website:

· GHS/OCD Facebook:


(GHS/OCD Release)