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.

Fog/Mist

82°F

28°C

Humidity 90%
Wind Speed SW 14 mph
Barometer 29.77 in (1005.3 mb)
Dewpoint 79°F (26°C)
Visibility 8.00 mi
Heat Index91°F (33°C)
Last update 8 Aug 12:54 am ChST
Extended Forecast for

Santa Rosa GU

High Surf Advisory August 8, 01:57am until August 10, 04:00pm
Click here for hazard details and duration
High Surf Advisory
  •  
    High Surf Advisory August 8, 01:57am until August 10, 04:00pm

    NOW until 4:00pm Mon

    High Surf Advisory

  • Overnight

    Low: 79 °F

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers and thunderstorms. Partly sunny, with a high near 83. West southwest wind 18 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 83 °F

    Scattered
    Showers

  • Saturday Night

    Saturday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 79. West southwest wind 13 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    Low: 79 °F

    Scattered
    Showers

  • Sunday

    Sunday: Scattered showers. Partly sunny, with a high near 83. West southwest wind 15 to 21 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.

    High: 83 °F

    Scattered
    Showers

  • Sunday Night

    Sunday Night: Scattered showers. Mostly cloudy, with a low around 79. West southwest wind 13 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    Low: 79 °F

    Scattered
    Showers

  • Monday

    Monday: Scattered showers. Partly sunny, with a high near 84. Chance of precipitation is 30%.

    High: 84 °F

    Scattered
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 79.

    Low: 79 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers. Partly sunny, with a high near 84.

    High: 84 °F

    Chance
    Showers

Detailed Forecast

Overnight
Scattered showers and thunderstorms before 2am. Mostly cloudy, with a low around 79. West southwest wind around 17 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Saturday
Scattered showers and thunderstorms. Partly sunny, with a high near 83. West southwest wind 18 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Saturday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 79. West southwest wind 13 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Sunday
Scattered showers. Partly sunny, with a high near 83. West southwest wind 15 to 21 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Sunday Night
Scattered showers. Mostly cloudy, with a low around 79. West southwest wind 13 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Monday
Scattered showers. Partly sunny, with a high near 84. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 79.
Tuesday
A chance of showers. Partly sunny, with a high near 84.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 79.
Wednesday
Partly sunny, with a high near 84.
Wednesday Night
Partly cloudy, with a low around 79.
Thursday
Mostly sunny, with a high near 84.
Thursday Night
Partly cloudy, with a low around 82.
Friday
Mostly sunny, with a high near 85. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Santa Rosa GU
 13.4°N 144.67°E
Last Update:
6:07 pm ChST Aug 7, 2026
Forecast Valid:
1am ChST Aug 8, 2026-6pm ChST Aug 14, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation