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Tropical Storm Imelda Forms; Another Round of Heavy Rain and Potential Flooding in the Southwest

Tropical Storm Imelda has formed near the Bahamas Sunday afternoon, and continues to bring heavy rainfall. The risk of significant wind impacts from Imelda along the Southeast coast are decreasing. Another round of showers and storms with a heavy rain and flash flood threat will continue in the Southwest through Monday morning. Read More >

Tiyan, GU

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Marianas

Weather.gov > Tiyan, GU > Marianas

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Current Conditions

Surface Weather Observations at: Antonio B. Won Pat Guam Intl. Airport (PGUM) - AAFB (PGUA)

Surface Weather Observations at  Benjamin Taisacan Manglona Rota Intl. (PGRO)

Surface Weather Observations at Francisco Manglona Borja Tinian Intl. (PGWT)

Surface Weather Observations at Francisco C. Ada Saipan Intl. (PGSN)

Rawinsonde Observation Mandatory Levels   Issued: 10/05/2025 02:00:02 PM UTC

Rawinsonde Observation Significant Levels   Issued: 10/05/2025 02:00:02 PM UTC

Rawinsonde Data Above 100 Millibars   Issued: 10/05/2025 02:00:02 PM UTC

Freezing Level Data (RADAT)   Issued: 10/05/2025 02:00:02 PM UTC

Tropical Weather Discussion   Issued: 10/05/2025 02:47:00 PM UTC

Regional Weather Roundup   Issued: 10/05/2025 05:00:00 PM UTC

 

Aviation Products

PGUM METAR - PGUA METAR - PGRO METAR - PGWT METAR - PGSN METAR

Guam  Terminal Aerodrome Forecast   Issued: 10/05/2025 01:20:12 PM UTC

Rota  Terminal Aerodrome Forecast   Issued: 10/05/2025 01:20:12 PM UTC

Tinian  Terminal Aerodrome Forecast   Issued: 10/05/2025 01:20:11 PM UTC

Saipan  Terminal Aerodrome Forecast   Issued: 10/05/2025 01:20:12 PM UTC

 

Public & Marine Products

Zone Forecast Product   Issued: 10/05/2025 07:59:00 AM UTC

Coastal Waters Forecast   Issued: 10/05/2025 08:21:00 AM UTC

Surf Forecast   Issued: 10/05/2025 08:32:00 AM UTC

Tides: Apra Harbor Guam - Tanapag Harbor, Sapian

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National Weather Service
Guam Weather Forecast Office
3232 Hueneme Road Barrigada, Guam 96913
Phone Number: (671)472-0900
Recorded Forecast: Dial 211

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