High Surf Advisory
Coastal Hazard Message
National Weather Service Tiyan GU
332 PM ChST Sun Jul 27 2025
GUZ001-272100-
/O.EXT.PGUM.CF.Y.0001.000000T0000Z-250727T2000Z/
/O.CON.PGUM.SU.Y.0026.000000T0000Z-250729T0800Z/
/O.CON.PGUM.RP.S.0013.000000T0000Z-250729T0800Z/
Guam-
332 PM ChST Sun Jul 27 2025
...COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 6 AM CHST MONDAY...
...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM CHST TUESDAY...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH TUESDAY
AFTERNOON...
* WHAT...For the Coastal Flood Advisory, minor coastal flooding
of 1 to 3 feet. For the High Surf Advisory, large breaking waves
of up to 11 feet in the surf zone. For the High Rip Current
Risk, dangerous rip currents.
* WHERE...For the Coastal Flood Advisory, south and west facing
reefs of Guam. For the High Surf Advisory and the High Rip
Current Risk, south, west and north facing reefs of Guam.
* WHEN...For the Coastal Flood Advisory, until 6 AM ChST Monday.
For the High Surf Advisory, until 6 PM ChST Tuesday. For the
High Rip Current Risk, through Tuesday afternoon.
* IMPACTS...Flooding of lots, parks, and roads with only isolated
road closures expected. 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.
&&
$$
IC
Coastal Hazard Message
National Weather Service Tiyan GU
332 PM ChST Sun Jul 27 2025
MPZ001>003-272100-
/O.EXB.PGUM.CF.Y.0001.250727T0800Z-250727T2000Z/
/O.CON.PGUM.CF.W.0001.000000T0000Z-250727T0800Z/
/O.CON.PGUM.SU.Y.0026.000000T0000Z-250729T0800Z/
/O.CON.PGUM.RP.S.0013.000000T0000Z-250729T0800Z/
Rota-Tinian-Saipan-
332 PM ChST Sun Jul 27 2025
...COASTAL FLOOD WARNING EXPIRES AT 6 PM CHST THIS EVENING...
...COASTAL FLOOD ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 AM
CHST MONDAY...
...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM CHST TUESDAY...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH TUESDAY
AFTERNOON...
* WHAT...For the Coastal Flood Advisory, minor coastal flooding
of 1 to 3 feet. For the High Surf Advisory, large breaking waves
of up to 12 feet expected in the surf zone. For the High Rip
Current Risk, dangerous rip currents.
* WHERE...For the Coastal Flood Advisory, south and west facing
reefs of Rota, Tinian, and Saipan. For the High Surf Advisory
and the High Rip Current Risk, south, west and north facing
reefs of Rota, Tinian, and Saipan.
* WHEN...For the Coastal Flood Warning, until 6 PM ChST this
evening. For the High Surf Advisory, until 6 PM ChST Tuesday.
For the Coastal Flood Advisory, from 6 PM this evening to 6 AM
ChST Monday. For the High Rip Current Risk, through Tuesday
afternoon.
* IMPACTS...Flooding of lots, parks, and roads with only isolated
road closures expected. Dangerous swimming and surfing
conditions and localized beach erosion. Rip currents can sweep
even the best swimmers away from shore into deeper water.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Rip currents will be life threatening. Inexperienced swimmers
should remain out of the water due to dangerous surf conditions.
If caught in a rip current, relax and float. Don`t swim against
the current. If able, swim in a direction following the shoreline.
If unable to escape, face the shore and call or wave for help.
&&
$$