Coastal Flood Warnings/Watches/Statements
Issued by NWS Tiyan, Guam

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239
WHMY40 PGUM 021800
CFWGUM

URGENT - IMMEDIATE BROADCAST REQUESTED
Coastal Hazard Message
National Weather Service Tiyan GU
400 AM ChST Sat Oct 3 2026

MPZ002-003-030800-
/O.CON.PGUM.SU.Y.0057.000000T0000Z-261004T1800Z/
/O.CON.PGUM.CF.A.0005.000000T0000Z-261005T1200Z/
/O.CON.PGUM.RP.S.0022.000000T0000Z-261004T1800Z/
Tinian-Saipan-
400 AM ChST Sat Oct 3 2026

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 4 AM CHST MONDAY...
...COASTAL FLOOD WATCH REMAINS IN EFFECT THROUGH MONDAY EVENING...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH LATE SUNDAY
NIGHT...

* WHAT...For the High Surf Advisory, large breaking waves of 10 to
  14 feet expected in the surf zone. For the Coastal Flood Watch,
  significant coastal flooding possible. For the High Rip Current
  Risk, dangerous rip currents expected.

* WHERE...North and west facing reefs of Tinian and Saipan.

* WHEN...For the High Surf Advisory, until 4 AM ChST Monday. For
  the Coastal Flood Watch, through Monday evening. For the High Rip
  Current Risk, through late Sunday night.

* IMPACTS...Numerous roads may be closed. Low lying property
  including homes, businesses, and some critical infrastructure
  may be inundated. Some shoreline erosion may occur. Dangerous
  swimming and surfing conditions and localized beach erosion. Rip
  currents can sweep even the best swimmers away from shore into
  deeper water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Rip currents will be life threatening. Inexperienced swimmers
should remain out of the water due to dangerous surf conditions.
If caught in a rip current, relax and float. Don`t swim against
the current. If able, swim in a direction following the
shoreline. If unable to escape, face the shore and call or wave
for help.

&&

$$

GUZ001-MPZ001-030800-
/O.CON.PGUM.SU.Y.0057.000000T0000Z-261004T1800Z/
/O.CON.PGUM.RP.S.0022.000000T0000Z-261004T1800Z/
Guam-Rota-
400 AM ChST Sat Oct 3 2026

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 4 AM CHST MONDAY...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH LATE SUNDAY
NIGHT...

* WHAT...For the High Surf Advisory, large breaking waves of 8 to
  12 feet expected in the surf zone. For the High Rip Current Risk,
  dangerous rip currents expected.

* WHERE...North, south, and west facing reefs of Guam and Rota.

* WHEN...For the High Surf Advisory, until 4 AM ChST Monday. For
  the High Rip Current Risk, through late Sunday night.

* IMPACTS...Dangerous swimming and surfing conditions and
  localized beach erosion. Rip currents can sweep even the best
  swimmers away from shore into eeper water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Rip currents will be life threatening. Inexperienced swimmers
should remain out of the water due to dangerous surf conditions.
If caught in a rip current, relax and float. Don`t swim against
the current. If able, swim in a direction following the
shoreline. If unable to escape, face the shore and call or wave
for help.

&&

$$

DeCou