GHS/OCD Public Advisory: Wind & Small Craft Advisory (June 19, 2026)

GHS/OCD PUBLIC ADVISORY
Wind Advisory & Small Craft Advisory
Issued: June 19, 2026 - 0800 ChST

Guam Homeland Security/Office of Civil Defense (GHS/OCD) advises the public that the National Weather Service (NWS) in Tiyan has issued a Wind Advisory for Guam and a Small Craft Advisory for Guam coastal waters, both in effect until 5:00 p.m. ChST today, Friday, June 19, 2026.

The advisories follow a tropical disturbance south of Guam that has produced higher winds and seas across the area. Conditions are expected to ease this afternoon.

WHAT TO EXPECT

Southeast winds of 15 to 25 mph with gusts up to 40 mph across Guam.
Gusty winds may blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.
In coastal waters, southeast winds of 15 to 25 knots with occasional gusts to 35 knots and seas of 7 to 9 feet will create hazardous conditions for small craft.

WHAT YOU SHOULD DO NOW

Secure loose objects outdoors, including canopies and other light items.
Use extra caution when driving, especially in high-profile vehicles.
Inexperienced mariners, especially those operating smaller vessels, should avoid sailing in these conditions.
Stay informed by monitoring updates from the National Weather Service and GHS/OCD.

Conditions are expected to improve this afternoon. GHS/OCD will continue to monitor conditions in coordination with the National Weather Service and provide updates as conditions warrant.

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Media Contact:
Logan Reyes
Acting Public Information Officer
Guam Homeland Security / Office of Civil Defense
logan.reyes@guam.gov

X Flooding is a temporary overflowing of water onto land that is normally dry. Flooding may happen with only a few inches of water, or it may cover a house to the rooftop. There are many possible causes of floods including heavy rain, coastal storms and storm surge, waterway overflow from being blocked with debris, or overflow of levees, dams, or waste water systems. Flooding can occur slowly over many days or happen very quickly with little or no warning, called flash floods.

To learn more, visit https://www.ready.gov/floods

Wildfire

Regularly clean the roof and gutters.
Maintain an area approximately 30’ away from you home that is free of anything that will burn, such as wood piles, dried leaves, newspapers and other brush.
Connect garden hoses long enough to reach any area of the home and fill garbage cans, tubs, or other large containers with water.
Review your homeowner's insurance policy and also prepare/update a list of your home's contents.

Fire Weather

Turn on your TV/radio. You’ll get the latest weather updates and emergency instructions.
Know where to go. If you are ordered to evacuate, know the route to take and have plan of where you will go. Check-in with your friends and family.
Keep your car fueled, in good condition, and stocked with emergency supplies and a change of clothes.

Drought

Conserve water

Take shorter showers.

Turn off the water while brushing your teeth or shaving.
Run the washer less frequently and only when you have a full load.
Water your lawn less frequently and do so when the temperature is cooler in the early morning or late evening.
When you run the tap to heat or cool water, keep a pitcher to store the water and use it to water plants.
Avoid washing your car.

Practice fire prevention

Don't set off fireworks when conditions are dry.
Deposit cigarette butts in the proper receptacle to avoid starting a
Pour water over camp fires and backyard fire pits to ensure they are completely out before leaving them unattended.

Follow directions from local officials. If there are restrictions on water usage, be sure to heed them.

To learn more, visit https://www.ready.gov/wildfires and https://www.ready.gov/drought

X
Typhoons/Hurricanes are massive storm systems that form over the water and move toward land. Threats from typhoons/hurricanes include high winds, heavy rainfall, storm surge, coastal and inland flooding, and rip currents.

“Hurricanes” form in the Atlantic Northeast Pacific region and “Typhoons” form in the Northwest Pacific Region. These large storms are call cyclones in other parts of the world.

To learn more, visit https://www.ready.gov/hurricanes.