Alert archive / Northern Mariana Islands / Rip Current Statements in 2023

Rip Current Statement 16, NWS Guam

August 9, 2023

NWS Guam issued this rip current statement at Aug 9, 2023, 1:07 AM CDT. It took effect at Aug 9, 2023, 3:54 AM CDT. It was in force for 70 hr.

The area

The counties it named.

The facts

Issued
Aug 9, 2023, 1:07 AM CDT (06:07 UTC)
In effect from
Aug 9, 2023, 3:54 AM CDT
Expired
Aug 12, 2023, 2:00 AM CDT
In force
70 hr
Issued by
NWS Guam

The text

As transmitted.

265 
WHMY40 PGUM 090607
CFWGUM

Coastal Hazard Message
National Weather Service Tiyan GU
407 PM ChST Wed Aug 9 2023

GUZ001-MPZ001>003-092100-
/O.NEW.PGUM.SU.Y.0035.230809T2000Z-230812T0700Z/
/O.NEW.PGUM.RP.S.0016.230809T2000Z-230812T0700Z/
Guam-Rota-Tinian-Saipan-
407 PM ChST Wed Aug 9 2023

...HIGH SURF ADVISORY IN EFFECT FROM 6 AM THURSDAY TO 5 PM CHST
SATURDAY...

...HIGH RISK OF RIP CURRENTS FROM THURSDAY MORNING THROUGH
SATURDAY AFTERNOON...

* WHAT...Large breaking waves of 7 to 10 feet and dangerous rip 
  currents expected.

* WHERE...South and west facing reefs of Guam, Rota, Tinian and
  Saipan.

* WHEN...From 6 AM Thursday to 5 PM ChST Saturday.

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

* ADDITIONAL DETAILS...Increasing monsoon swell is expected to bring
  hazardous surf conditions to the Marianas Thursday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced swimmers should remain out of the water due to
dangerous surf conditions.

Swim near a lifeguard. 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.

&&

$$

Kleeschulte
7 follow-up statements
743 
WHMY40 PGUM 090854 
CFWGUM

Coastal Hazard Message
National Weather Service Tiyan GU
654 PM ChST Wed Aug 9 2023

GUZ001-MPZ001>003-092100-
/O.EXT.PGUM.SU.Y.0035.230809T0854Z-230812T0700Z/
/O.EXT.PGUM.RP.S.0016.230809T0854Z-230812T0700Z/
Guam-Rota-Tinian-Saipan-
654 PM ChST Wed Aug 9 2023

...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 5 PM CHST SATURDAY...

...HIGH RISK OF RIP CURRENTS THROUGH SATURDAY AFTERNOON...

* WHAT...Large breaking waves of 8 to 11 feet and dangerous rip 
  currents.

* WHERE...South and west facing reefs of Guam, Rota, Tinian and
  Saipan.

* WHEN...For the High Surf Advisory, until 5 PM ChST Saturday. 
  For the High Rip Current Risk, through Saturday afternoon.

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

* ADDITIONAL DETAILS...Large monsoon swell is producing hazardous
  surf conditions along with a high risk of rip currents to south and
  west facing reefs. Surf of up to 11 feet was reported in Agat.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced swimmers should remain out of the water due to
dangerous surf conditions.

Swim near a lifeguard. 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.

&&

$$

Kleeschulte
002 
WHMY40 PGUM 092015
CFWGUM

Coastal Hazard Message
National Weather Service Tiyan GU
615 AM ChST Thu Aug 10 2023

GUZ001-MPZ001>003-100900-
/O.CON.PGUM.SU.Y.0035.000000T0000Z-230812T0700Z/
/O.CON.PGUM.RP.S.0016.000000T0000Z-230812T0700Z/
Guam-Rota-Tinian-Saipan-
615 AM ChST Thu Aug 10 2023

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 5 PM CHST
SATURDAY...

...HIGH RISK OF RIP CURRENTS THROUGH SATURDAY AFTERNOON...

* WHAT...Large breaking waves of 7 to 9 feet and dangerous rip 
  currents.

* WHERE...South and west facing reefs of Guam, Rota, Tinian and
  Saipan.

* WHEN...For the High Surf Advisory, until 5 PM ChST Saturday. 
  For the High Rip Current Risk, through Saturday afternoon.

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

* ADDITIONAL DETAILS....Large monsoon swell is producing hazardous
  surf conditions along with a high risk of rip currents to south and
  west facing reefs.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced swimmers should remain out of the water due to
dangerous surf conditions.

Swim near a lifeguard. 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.

&&

$$

Ziobro
157 
WHMY40 PGUM 100514
CFWGUM

Coastal Hazard Message
National Weather Service Tiyan GU
314 PM ChST Thu Aug 10 2023

GUZ001-MPZ001>003-102000-
/O.CON.PGUM.SU.Y.0035.000000T0000Z-230812T0700Z/
/O.CON.PGUM.RP.S.0016.000000T0000Z-230812T0700Z/
Guam-Rota-Tinian-Saipan-
314 PM ChST Thu Aug 10 2023

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 5 PM CHST SATURDAY...

...HIGH RISK OF RIP CURRENTS THROUGH SATURDAY AFTERNOON...

* WHAT...Large breaking waves of 8 to 11 feet and dangerous rip 
  currents.

* WHERE...South and west facing reefs of Guam, Rota, Tinian and
  Saipan.

* WHEN...Until 5 PM ChST Saturday. 

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

* ADDITIONAL DETAILS...Large monsoon swell will continue to produce
  hazardous surf conditions along with a high risk of rip currents
  along south and west facing reefs.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced swimmers should remain out of the water due to
dangerous surf conditions.

Swim near a lifeguard. 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.

&&

$$

Kleeschulte
386 
WHMY40 PGUM 101955
CFWGUM

Coastal Hazard Message
National Weather Service Tiyan GU
555 AM ChST Fri Aug 11 2023

GUZ001-MPZ001>003-110900-
/O.CON.PGUM.SU.Y.0035.000000T0000Z-230812T0700Z/
/O.CON.PGUM.RP.S.0016.000000T0000Z-230812T0700Z/
Guam-Rota-Tinian-Saipan-
555 AM ChST Fri Aug 11 2023

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 5 PM CHST 
SATURDAY... 

...HIGH RISK OF RIP CURRENTS THROUGH SATURDAY AFTERNOON...

* WHAT...Large breaking waves of 7 to 9 feet and dangerous rip 
  currents.

* WHERE...South and west facing reefs of Guam, Rota, Tinian and 
  Saipan.

* WHEN...Until 5 PM ChST Saturday. 

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

* ADDITIONAL DETAILS...Large monsoon swell will continue to produce
  hazardous surf conditions along with a high risk of rip currents
  along south and west facing reefs.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced swimmers should remain out of the water due to
dangerous surf conditions.

Swim near a lifeguard. 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.

&&

$$

Ziobro
509 
WHMY40 PGUM 110550
CFWGUM

Coastal Hazard Message
National Weather Service Tiyan GU
350 PM ChST Fri Aug 11 2023

GUZ001-MPZ001>003-112000-
/O.CON.PGUM.SU.Y.0035.000000T0000Z-230812T0700Z/
/O.CON.PGUM.RP.S.0016.000000T0000Z-230812T0700Z/
Guam-Rota-Tinian-Saipan-
350 PM ChST Fri Aug 11 2023

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 5 PM CHST SATURDAY... 

...HIGH RISK OF RIP CURRENTS THROUGH SATURDAY AFTERNOON...

* WHAT...Large breaking waves of 7 to 10 feet and dangerous rip 
  currents.

* WHERE...South and west facing reefs of Guam, Rota, Tinian and
  Saipan.

* WHEN...Until 5 PM ChST Saturday. 

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

* ADDITIONAL DETAILS...Large monsoon swell will continue to produce
  hazardous surf conditions along with a high risk of rip currents
  along south and west facing reefs. This may extend into Saturday
  night.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced swimmers should remain out of the water due to
dangerous surf conditions.

Swim near a lifeguard. 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.

&&

$$

Kleeschulte
462 
WHMY40 PGUM 112011
CFWGUM

Coastal Hazard Message
National Weather Service Tiyan GU
611 AM ChST Sat Aug 12 2023

GUZ001-MPZ001>003-120700-
/O.CON.PGUM.SU.Y.0035.000000T0000Z-230812T0700Z/
/O.CON.PGUM.RP.S.0016.000000T0000Z-230812T0700Z/
Guam-Rota-Tinian-Saipan-
611 AM ChST Sat Aug 12 2023

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 5 PM CHST THIS
AFTERNOON...

...HIGH RISK OF RIP CURRENTS UNTIL 5 PM CHST THIS
AFTERNOON...

* WHAT...Large breaking waves of 7 to 9 feet and dangerous rip 
  currents.

* WHERE...South and west facing reefs of Guam, Rota, Tinian and
  Saipan.

* WHEN...Until 5 PM ChST this afternoon.

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

* ADDITIONAL DETAILS...Large monsoon swell will continue to produce
  hazardous surf conditions along with a high risk of rip currents
  along south and west facing reefs. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced swimmers should remain out of the water due to
dangerous surf conditions.

Swim near a lifeguard. 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.

&&

$$

Ziobro
822 
WHMY40 PGUM 120703
CFWGUM

Coastal Hazard Message
National Weather Service Tiyan GU
503 PM ChST Sat Aug 12 2023

GUZ001-MPZ001>003-120815-
/O.EXP.PGUM.SU.Y.0035.000000T0000Z-230812T0700Z/
/O.EXP.PGUM.RP.S.0016.000000T0000Z-230812T0700Z/
Guam-Rota-Tinian-Saipan-
503 PM ChST Sat Aug 12 2023

...HIGH SURF ADVISORY NO LONGER INN EFFECT...
...MODERATE RIP CURRENT RISK EXPECTED ALONG ALL REEFS THE NEXT 
FEW DAYS...

Moderately large monsoon swell waves will continue across the 
Marina Islands.

Be careful while swimming and surfing. Remember that larger and 
stronger waves can occur anytime and some reef areas are prone to
cause dangerous rip currents.

$$

Simpson

The office that day

Everything else NWS Guam issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 9, 1:07 AM CDTHigh Surf AdvisoryGUM3 days
Aug 8, 9:40 PM CDTAreal Flood AdvisoryGUM4 hr

Nearby

Rip Current Statements in Northern Mariana Islands, 2023Rip Current Statements in Guam, 2023Every rip current statement in 2023

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.