Guam County, Guam
To view the watches and warnings information that we have available you will need to select your city, county, or state first.
Enter City, State or Zip Code to Select a Location from the List
Watch/Warnings
Click to view enlarged map

The National Weather Service's Watches, Warnings and Advisories by state counties include: Thunderstorm, Tornado, Flood, Flash Flood, Winter Storm, High Wind, Gale, Small Aircraft, High Surf, Marine, Heat, Air Quality, Ashfall, Hazardous, and Special Statements.
Weather Alerts: Guam County, Guam
« View county list

Aviation Weather Warning
GUZ001-171000-

AIRPORT WEATHER WARNING FOR GUAM INTERNATIONAL AIRPORT
NATIONAL WEATHER SERVICE TIYAN GU
509 PM ChST Tue Oct 17 2017

A THUNDERSTORM ADVISORY IS IN EFFECT FOR THE GUAM INTERNATIONAL
AIRPORT UNTIL 800 PM THIS EVENING. THUNDERSTORMS ARE POSSIBLE OR
OCCURRING WITHIN 20 NAUTICAL MILES OF THE AIRPORT.

BE ALERT AND TAKE PRECAUTIONS AS REQUIRED.

$$

Special Weather Statement
GUZ001>004-171000-
Guam-Rota-Tinian-Saipan-
814 AM ChST Tue Oct 17 2017

TROPICAL STORM LAN (25W) IS LOCATED NEAR 11N132E...ABOUT 415 MILES
WEST NORTHWEST OF YAP. IT WILL SLOWLY MOVE NORTHWESTWARD AWAY FROM
THE MARIANAS OVER THE NEXT FEW DAYS. ANOTHER WEAK CIRCULATION IS
JUST NORTH OF GUAM NEAR 14N145E. THIS CIRCULATION WILL BRING
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THROUGH WEDNESDAY
NIGHT...AND OCCASIONAL SHOWERS TO GUAM AND ROTA TODAY.

IMPROVING WEATHER IS EXPECTED LATER IN THE WEEK. HOWEVER, SEAS
WILL INCREASE IN RESPONSE TO SWELL FROM TROPICAL STORM LAN AND
INCREASING SOUTHWESTERLY FLOW. SEAS COULD REACH AS HIGH AS 10 TO
12 FEET BY THE WEEKEND. WITH THE INCREASING SEAS, RIP CURRENT RISK
WILL BECOME HIGH.

CONDITIONS WILL NEED TO BE MONITORED CAREFULLY FOR HAZARDOUS
WEATHER AND SEAS...ESPECIALLY FOR MARINE ACTIVITIES LATER THIS
WEEK AND OVER THE WEEKEND.

IF YOU ARE PLANNING OUTDOOR OR MARINE ACTIVITY OR INTER ISLAND
TRAVEL BE AWARE OF CURRENT MARINE CONDITIONS AND STAY INFORMED ON
THE LATEST FORECASTS AND ADVISORIES ISSUED BY THE NATIONAL WEATHER
SERVICE AND LOCAL EMERGENCY MANAGEMENT OFFICES.

PRODUCTS ISSUED BY THE NATIONAL WEATHER SERVICE ARE POSTED ON THE
WFO GUAM WEB PAGE AT WWW.PRH.NOAA.GOV/GUAM/.

$$

National Weather Service

Providing "weather, water cycle, and climate forecasts and warnings for the United States, its territories, adjacent waters and ocean areas, for the protection of life and property and the enhancement of the national economy."
Weather Alerts by Type
Air Quality Alert
Aviation Weather Warning
Coastal Flood Advisory
Coastal Flood Statement
Coastal Flood Warning
Fire Weather Warning
Flash Flood Warning
Flash Flood Watch
Flood Advisory
Flood Warning
Flood Watch
Freeze Warning
Frost Advisory
High Surf Advisory
High Wind Warning
High Wind Watch
Lake Wind Advisory
Rip Current Statement
Special Weather Statement
Wind Advisory
Winter Weather Advisory
Additional Severe Weather Maps
Severe Outlook Today
Severe Outlook Today
WSI's Severe Outlook Map displays current Watches, Warnings and Advisories via County Fill colors.
Severe Outlook Tomorrow
Severe Outlook Tomorrow
WSI's Severe Outlook Forecast Map displaying projected Watches, Warnings and Advisories.
THUNDERcast
THUNDERcast
The THUNDERcast map shows areas of probability for regional or national thunderstorms for the current day.
1Km Storm Watch
1Km Storm Watch
The 1Km map allows you to view 1 kilometer (km) resolution radar imagery both nationally and regionally.
Metro Storm Watch
Metro Storm Watch
The Metro map allows you to view 1 kilometer (km) resolution radar imagery.
Advertisements