Strong Storm Systems Impacting Both Coasts

The storm system on the East Coast is bringing widespread rain to the Mid-Atlantic and the Northeast. Freezing rain and snow is possible in interior, southern New England. A powerful Pacific storm system will bring heavy rain, high elevation snow, gusty winds, and extremely rough surf to the Pacific Northwest and northern California. Read More >

Current conditions at

Agana, Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 299ft.

Mostly Cloudy

82°F

28°C

Humidity 100%
Wind Speed E 13 mph
Barometer 29.85 in
Dewpoint 82°F (28°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 17 Dec 7:54 am ChST
Extended Forecast for

Santa Rosa GU

High Surf Advisory until December 18, 06:00pm
Click here for hazard details and duration
High Surf Advisory
  •  
    High Surf Advisory until December 18, 06:00pm

    NOW until
    6:00pm Tue

    High Surf Advisory

  • Today

    Today: Scattered showers and thunderstorms before 9am.  Partly sunny, with a high near 88. East wind 13 to 16 mph.  Chance of precipitation is 40%.

    Scattered
    Showers then
    Partly Sunny

    High: 88 °F

  • Tonight

    Tonight: Mostly cloudy, with a low around 78. East wind 10 to 16 mph.

    Mostly Cloudy

    Low: 78 °F

  • Tuesday

    Tuesday: Scattered showers and thunderstorms.  Cloudy, with a high near 87. East wind 15 to 17 mph.  Chance of precipitation is 50%.

    Scattered
    Showers

    High: 87 °F

  • Tuesday
    Night

    Tuesday Night: Scattered showers and thunderstorms.  Cloudy, with a low around 78. East wind 14 to 16 mph.  Chance of precipitation is 50%.

    Scattered
    Showers

    Low: 78 °F

  • Wednesday

    Wednesday: Isolated showers.  Partly sunny, with a high near 88. East northeast wind 11 to 18 mph.

    Isolated
    Showers

    High: 88 °F

  • Wednesday
    Night

    Wednesday Night: Isolated showers.  Mostly cloudy, with a low around 78.

    Isolated
    Showers

    Low: 78 °F

  • Thursday

    Thursday: Scattered showers and thunderstorms after 7am.  Mostly cloudy, with a high near 88. Chance of precipitation is 40%.

    Scattered
    Showers

    High: 88 °F

  • Thursday
    Night

    Thursday Night: Scattered showers and thunderstorms.  Mostly cloudy, with a low around 77. Chance of precipitation is 40%.

    Scattered
    Showers

    Low: 77 °F

Detailed Forecast

Today
Scattered showers and thunderstorms before 9am. Partly sunny, with a high near 88. East wind 13 to 16 mph. Chance of precipitation is 40%.
Tonight
Mostly cloudy, with a low around 78. East wind 10 to 16 mph.
Tuesday
Scattered showers and thunderstorms. Cloudy, with a high near 87. East wind 15 to 17 mph. Chance of precipitation is 50%.
Tuesday Night
Scattered showers and thunderstorms. Cloudy, with a low around 78. East wind 14 to 16 mph. Chance of precipitation is 50%.
Wednesday
Isolated showers. Partly sunny, with a high near 88. East northeast wind 11 to 18 mph.
Wednesday Night
Isolated showers. Mostly cloudy, with a low around 78.
Thursday
Scattered showers and thunderstorms after 7am. Mostly cloudy, with a high near 88. Chance of precipitation is 40%.
Thursday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. Chance of precipitation is 40%.
Friday
Isolated showers. Mostly sunny, with a high near 88.
Friday Night
Isolated showers. Partly cloudy, with a low around 77.
Saturday
Isolated showers. Mostly sunny, with a high near 89.
Saturday Night
Isolated showers. Partly cloudy, with a low around 77.
Sunday
Mostly sunny, with a high near 89.
Click Map For Forecast
Point Forecast:
Santa Rosa GU
 13.4°N 144.67°E (Elev. 249 ft)
3:32 am ChST Dec 17, 2018
8am ChST Dec 17, 2018-6pm ChST Dec 23, 2018
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database