Tracking Late Season Winter Storms

A moderate atmospheric river will continue to bring heavy snow over the Olympics, northern Cascades and northern Rockies Friday while heavy rain may bring flooding to coastal Oregon and Washington. A winter storm will continue to push across the Great Lakes and Northeast U.S. Friday and Saturday with areas of heavy snow and high winds. Read More >

Hazardous Weather Conditions

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

Light Rain

77°F

25°C

Humidity	94%
Wind Speed	W 7 mph
Barometer	29.69 in (1004.6 mb)
Dewpoint	75°F (24°C)
Visibility	8.00 mi
Heat Index	78°F (26°C)
Last update	13 Mar 1:54 pm ChST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

3 Miles S Agat GU

High Surf Advisory March 13, 02:17pm until March 16, 04:00pm

Click here for hazard details and duration

High Surf Advisory

High Surf Advisory March 13, 02:17pm until March 16, 04:00pm
NOW until 4:00pm Mon
High Surf Advisory
This Afternoon
High: 82 °F
Heavy Rain
and Breezy
Tonight
Low: 74 °F
Heavy Rain
Saturday
High: 86 °F
Scattered
Showers
Saturday Night
Low: 77 °F
Isolated
Showers
Sunday
High: 86 °F
Mostly Sunny
Sunday Night
Low: 78 °F
Partly Cloudy
Monday
High: 86 °F
Mostly Sunny
Monday Night
Low: 78 °F
Partly Cloudy

Detailed Forecast

This Afternoon

Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Cloudy, with a high near 82. Breezy, with a south southwest wind 18 to 26 mph, with gusts as high as 33 mph. Chance of precipitation is 60%.

Tonight

Scattered showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 74. Southwest wind 9 to 16 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

Saturday

Scattered showers. Partly sunny, with a high near 86. Northwest wind 9 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

Saturday Night

Isolated showers. Partly cloudy, with a low around 77. North wind around 17 mph, with gusts as high as 22 mph.

Sunday

Mostly sunny, with a high near 86. North northwest wind 14 to 17 mph, with gusts as high as 22 mph.

Sunday Night

Partly cloudy, with a low around 78.

Monday

Mostly sunny, with a high near 86.

Monday Night

Partly cloudy, with a low around 78.