National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

Partly Cloudy

89°F

32°C

Humidity 70%
Wind Speed S 17 G 25 mph
Barometer 29.83 in (1009.1 mb)
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 23 Aug 11:54 am ChST
Extended Forecast for

Santa Rosa GU

High Surf Advisory August 23, 12:12pm until August 23, 04:00pm
Click here for hazard details and duration
High Surf Advisory
  •  
    High Surf Advisory August 23, 12:12pm until August 23, 04:00pm

    NOW until 4:00pm Sun

    High Surf Advisory

  • This Afternoon

    High: 88 °F

    Scattered
    Showers

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 78. South southwest wind 13 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    Low: 78 °F

    Showers
    Likely

  • Monday

    Monday: Scattered showers and thunderstorms. Partly sunny, with a high near 85. South southwest wind 13 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 85 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. South southwest wind 10 to 13 mph. Chance of precipitation is 30%.

    Low: 77 °F

    Scattered
    Showers

  • Tuesday

    Tuesday: Scattered showers and thunderstorms. Partly sunny, with a high near 85. Southwest wind 11 to 13 mph. Chance of precipitation is 30%.

    High: 85 °F

    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. Chance of precipitation is 40%.

    Low: 78 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Scattered showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 40%.

    High: 82 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 78.

    Low: 78 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Partly sunny, with a high near 88. South southwest wind 16 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Tonight
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 78. South southwest wind 13 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Monday
Scattered showers and thunderstorms. Partly sunny, with a high near 85. South southwest wind 13 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Monday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. South southwest wind 10 to 13 mph. Chance of precipitation is 30%.
Tuesday
Scattered showers and thunderstorms. Partly sunny, with a high near 85. Southwest wind 11 to 13 mph. Chance of precipitation is 30%.
Tuesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 78. Chance of precipitation is 40%.
Wednesday
Scattered showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 40%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 78.
Thursday
A chance of showers. Mostly cloudy, with a high near 84.
Thursday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 78.
Friday
Showers likely. Cloudy, with a high near 84.
Friday Night
A chance of showers. Mostly cloudy, with a low around 78.
Saturday
A chance of showers. Partly sunny, with a high near 86.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Santa Rosa GU
 13.4°N 144.67°E
Last Update:
6:05 am ChST Aug 23, 2026
Forecast Valid:
12pm ChST Aug 23, 2026-6pm ChST Aug 29, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation