National Weather Service United States Department of Commerce

Heavy Rainfall and Flooding Concerns in the Southwest; Coastal Low to Impact the East Coast

Deep tropical moisture will lead to widespread showers and thunderstorms capable of producing flash flooding through early next week over the Southwest and Four Corners. A coastal storm is expected to develop off the southeast U.S. coast tonight and is expected to strengthen and bring flooding, dangerous rip currents, gusty winds and heavy rain up much of the East Coast through early next week. Read More >

Tiyan, GU

Weather Forecast Office

Marianas

Weather.gov > Tiyan, GU > Marianas

Additional products and bulletins for Guam and the Marianas Islands:
*** Tsunami Information Statement ***
*** Drought Information Statement ***

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: 10/09/2025 02:00:29 PM UTC

Rawinsonde Observation Significant Levels   Issued: 10/09/2025 02:00:29 PM UTC

Rawinsonde Data Above 100 Millibars   Issued: 10/09/2025 02:00:50 PM UTC

Freezing Level Data (RADAT)   Issued: 10/10/2025 02:00:50 AM UTC

Tropical Weather Discussion   Issued: 10/09/2025 02:03:00 PM UTC

Regional Weather Roundup   Issued: 10/10/2025 01:00:00 AM UTC

 

Aviation Products

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

Guam  Terminal Aerodrome Forecast   Issued: 10/10/2025 01:33:40 AM UTC

Rota  Terminal Aerodrome Forecast   Issued: 10/10/2025 01:33:40 AM UTC

Tinian  Terminal Aerodrome Forecast   Issued: 10/10/2025 01:33:40 AM UTC

Saipan  Terminal Aerodrome Forecast   Issued: 10/10/2025 01:33:40 AM UTC

 

Public & Marine Products

Zone Forecast Product   Issued: 10/09/2025 07:39:00 PM UTC

Coastal Waters Forecast   Issued: 10/09/2025 08:16:00 PM UTC

Surf Forecast   Issued: 10/09/2025 08:37:00 PM UTC

Tides: Apra Harbor Guam - Tanapag Harbor, Sapian

NOAA Tides and Currents Map Tool

 

Satellite

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Radar

 

_______________________________________________________________________

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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