Alert archive / Northern Mariana Islands / Rip Current Statements in 2024

Rip Current Statement 19, NWS Guam

December 15, 2024

NWS Guam issued this rip current statement at Dec 15, 2024, 12:08 AM CST. It took effect at Dec 15, 2024, 1:00 PM CST. It was in force for 5 days.

The area

The counties it named.

The facts

Issued
Dec 15, 2024, 12:08 AM CST (06:08 UTC)
In effect from
Dec 15, 2024, 1:00 PM CST
Expired
Dec 20, 2024, 11:35 PM CST
In force
5 days
Issued by
NWS Guam

The text

As transmitted.

480 
WHMY40 PGUM 150608
CFWGUM

Coastal Hazard Message
National Weather Service Tiyan GU
408 PM ChST Sun Dec 15 2024

GUZ001-MPZ001>003-152015-
/O.NEW.PGUM.RP.S.0019.241215T2100Z-241218T0800Z/
Guam-Rota-Tinian-Saipan-
408 PM ChST Sun Dec 15 2024

...HIGH RISK OF RIP CURRENTS FROM MONDAY MORNING THROUGH
WEDNESDAY AFTERNOON...

* WHAT...Dangerous rip currents expected.

* WHERE...East facing reefs of the Marianas.

* WHEN...From Monday morning through Wednesday afternoon.

* IMPACTS...Rip currents can sweep even the best swimmers away 
  from shore into deeper water.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

Williams
13 follow-up statements
837 
WHMY40 PGUM 151816
CFWGUM

Coastal Hazard Message
National Weather Service Tiyan GU
416 AM ChST Mon Dec 16 2024

GUZ001-MPZ001>003-160900-
/O.EXT.PGUM.RP.S.0019.241215T1900Z-241218T0800Z/
Guam-Rota-Tinian-Saipan-
416 AM ChST Mon Dec 16 2024

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

* WHAT...Dangerous rip currents expected.

* WHERE...East facing reefs of the Marianas.

* WHEN...Through Wednesday afternoon.

* IMPACTS...Rip currents can sweep even the best swimmers away 
  from shore into deeper water.

* ADDITIONAL DETAILS...The high risk for rip currents could expand
  to north facing reefs Tuesday with the potential for hazardous
  surf.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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
141 
WHMY40 PGUM 160149
CFWGUM

Coastal Hazard Message
National Weather Service Tiyan GU
1149 AM ChST Mon Dec 16 2024

GUZ001-MPZ001>003-160800-
/O.NEW.PGUM.SU.Y.0053.241216T0200Z-241218T0800Z/
/O.CON.PGUM.RP.S.0019.000000T0000Z-241218T0800Z/
Guam-Rota-Tinian-Saipan-
1149 AM ChST Mon Dec 16 2024

...HIGH RISK OF RIP CURRENTS ALONG NORTH AND EAST FACING SHORES 
THROUGH WEDNESDAY AFTERNOON...

...HIGH SURF ADVISORY NOW IN EFFECT ALONG NORTH FACING SHORES 
UNTIL 6 PM CHST WEDNESDAY...

* WHAT...For the High Surf Advisory, large breaking waves of 7 to
  10 feet along north facing reefs. For High Rip Current Risk, 
  dangerous rip currents along north and east facing reefs.

* WHERE...Guam, Rota, Tinian and Saipan.

* WHEN...For the High Surf Advisory, until 6 PM ChST Wednesday. 
  For the High Rip Current Risk, through Wednesday 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...Elevated trade-wind conditions along with a
  long-period north swell will cause hazardous surf along north
  facing shores, and a high risk of rip currents along both north
  and east facing reefs the next couple of days at least.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced swimmers should remain out of the water along north
and east facing shores of the Mariana Islands due to dangerous 
surf and rip current 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.

&&

$$

Simpson
826 
WHMY40 PGUM 160634
CFWGUM

URGENT - IMMEDIATE BROADCAST REQUESTED
Coastal Hazard Message
National Weather Service Tiyan GU
434 PM ChST Mon Dec 16 2024

GUZ001-MPZ001>003-162000-
/O.CON.PGUM.SU.Y.0053.000000T0000Z-241218T0800Z/
/O.CON.PGUM.RP.S.0019.000000T0000Z-241218T0800Z/
Guam-Rota-Tinian-Saipan-
434 PM ChST Mon Dec 16 2024

...HIGH SURF ADVISORY REMAINS IN EFFECT FOR NORTH FACING SHORES 
UNTIL 6 PM CHST WEDNESDAY...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT FOR NORTH AND EAST FACING
SHORES THROUGH WEDNESDAY AFTERNOON...

* WHAT...For the High Surf Advisory, large breaking waves of 7 to
10 feet along north facing reefs. For High Rip Current Risk,
dangerous rip currents along north and east facing reefs.

* WHERE...Guam, Rota, Tinian and Saipan.

* WHEN...For the High Surf Advisory, until 6 PM ChST Wednesday.
For the High Rip Current Risk, through Wednesday 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...Elevated trade-wind conditions along with a 
  long-period north swell will cause hazardous surf along north 
  facing shores, and a high risk of rip currents along both north and
  east facing reefs the next couple of days at least.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced swimmers should remain out of the water along north
and east facing shores of the Mariana Islands due to dangerous
surf and rip current 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.

&&

$$

Simpson
558 
WHMY40 PGUM 161725
CFWGUM

URGENT - IMMEDIATE BROADCAST REQUESTED
Coastal Hazard Message
National Weather Service Tiyan GU
325 AM ChST Tue Dec 17 2024

GUZ001-MPZ001>003-170800-
/O.CON.PGUM.SU.Y.0053.000000T0000Z-241218T0800Z/
/O.CON.PGUM.RP.S.0019.000000T0000Z-241218T0800Z/
Guam-Rota-Tinian-Saipan-
325 AM ChST Tue Dec 17 2024

...HIGH SURF ADVISORY REMAINS IN EFFECT FOR NORTH FACING SHORES 
UNTIL 6 PM CHST WEDNESDAY...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT FOR NORTH AND EAST FACING
SHORES THROUGH WEDNESDAY AFTERNOON...

* WHAT...For the High Surf Advisory, large breaking waves of 7 to
9 feet along north facing reefs. For High Rip Current Risk,
dangerous rip currents along north and east facing reefs.

* WHERE...Guam, Rota, Tinian and Saipan.

* WHEN...For the High Surf Advisory, until 6 PM ChST Wednesday.
For the High Rip Current Risk, through Wednesday 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...Elevated trade-wind conditions along with a 
  long-period north swell will cause hazardous surf along north 
  facing shores, and a high risk of rip currents along both north and
  east facing reefs the next couple of days at least.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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
921 
WHMY40 PGUM 170635
CFWGUM

URGENT - IMMEDIATE BROADCAST REQUESTED
Coastal Hazard Message
National Weather Service Tiyan GU
435 PM ChST Tue Dec 17 2024

GUZ001-MPZ001>003-172000-
/O.CON.PGUM.SU.Y.0053.000000T0000Z-241218T0800Z/
/O.CON.PGUM.RP.S.0019.000000T0000Z-241218T0800Z/
Guam-Rota-Tinian-Saipan-
435 PM ChST Tue Dec 17 2024

...HIGH SURF ADVISORY REMAINS IN EFFECT FOR NORTH FACING SHORES 
UNTIL 6 PM CHST WEDNESDAY...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT FOR NORTH AND EAST 
FACING REEFS THROUGH WEDNESDAY AFTERNOON...

* WHAT...For the High Surf Advisory, large breaking waves of 7 to
9 feet along north facing reefs. For High Rip Current Risk,
dangerous rip currents along north and east facing reefs.

* WHERE...Guam, Rota, Tinian and Saipan.

* WHEN...For the High Surf Advisory, until 6 PM ChST Wednesday.
For the High Rip Current Risk, through Wednesday 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...Elevated trade-wind conditions along with
a long-period north swell will cause hazardous surf along north
facing shores, and a high risk of rip currents along both north
and east facing reefs through Wednesday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

Simpson
458 
WHMY40 PGUM 171734
CFWGUM

URGENT - IMMEDIATE BROADCAST REQUESTED
Coastal Hazard Message
National Weather Service Tiyan GU
334 AM ChST Wed Dec 18 2024

GUZ001-MPZ001>003-180800-
/O.CON.PGUM.SU.Y.0053.000000T0000Z-241218T0800Z/
/O.CON.PGUM.RP.S.0019.000000T0000Z-241218T0800Z/
Guam-Rota-Tinian-Saipan-
334 AM ChST Wed Dec 18 2024

...HIGH SURF ADVISORY REMAINS IN EFFECT FOR NORTH FACING SHORES 
UNTIL 6 PM CHST WEDNESDAY...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT FOR NORTH AND EAST 
FACING REEFS THROUGH WEDNESDAY AFTERNOON...

* WHAT...For the High Surf Advisory, large breaking waves of 7 to
9 feet along north facing reefs. For High Rip Current Risk,
dangerous rip currents along north and east facing reefs.

* WHERE...Marianas coastal waters.

* WHEN...For the High Surf Advisory, until 6 PM ChST this
evening. For the High Rip Current Risk, through 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...Elevated trade-wind conditions along with
a long-period north swell will cause hazardous surf along north
facing shores, and a high risk of rip currents along both north
and east facing reefs through Wednesday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

Bowsher
146 
WHMY40 PGUM 180559
CFWGUM

URGENT - IMMEDIATE BROADCAST REQUESTED
Coastal Hazard Message
National Weather Service Tiyan GU
359 PM ChST Wed Dec 18 2024

GUZ001-MPZ001>003-182015-
/O.EXT.PGUM.RP.S.0019.000000T0000Z-241219T0800Z/
/O.CON.PGUM.SU.Y.0053.000000T0000Z-241218T0800Z/
Guam-Rota-Tinian-Saipan-
359 PM ChST Wed Dec 18 2024

....HIGH SURF ADVISORY AND HIGH RIP CURRENT RISK FOR NORTH FACING
SHORES WILL EXPIRE AT 6 PM CHST THIS EVENING...
...A HIGH RISK OF RIP CURRENTS REMAINS ALONG EAST FACING REEFS
THROUGH THURSDAY AFTERNOON...

* WHAT...For the High Surf Advisory, both north and east swell
  waves have diminished, and surf along north shores is expected
  to subside below advisory levels. The rip current risk remains
  high along east facing reefs, but has become moderate along
  north facing shores.

* WHERE...North and East reefs of the Mariana Islands.

* WHEN...For the north shore's High Surf Advisory and High Risk of
  Rip Currents, until 6 PM ChST this evening. For High Rip 
  Current Risk along eastern reefs, through Thursday afternoon.

* IMPACTS...There could still be locally 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...

Remember that 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.

&&

$$

Simpson
619 
WHMY40 PGUM 190014
CFWGUM

URGENT - IMMEDIATE BROADCAST REQUESTED
Coastal Hazard Message
National Weather Service Tiyan GU
1014 AM ChST Thu Dec 19 2024

GUZ001-MPZ001>003-190800-
/O.CON.PGUM.RP.S.0019.000000T0000Z-241219T0800Z/
Guam-Rota-Tinian-Saipan-
1014 AM ChST Thu Dec 19 2024

...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 6 PM CHST THIS
EVENING...

* WHAT...Dangerous rip currents expected.

* WHERE...East facing reefs of the Mariana Islands.

* WHEN...Until 6 PM ChST this evening.

* IMPACTS...Rip currents can sweep even the best swimmers away
  from shore into deeper water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remember that 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.

&&

$$

Slagle
583 
WHMY40 PGUM 190604
CFWGUM

URGENT - IMMEDIATE BROADCAST REQUESTED
Coastal Hazard Message
National Weather Service Tiyan GU
404 PM ChST Thu Dec 19 2024

GUZ001-MPZ001>003-192015-
/O.EXT.PGUM.RP.S.0019.000000T0000Z-241221T2000Z/
Guam-Rota-Tinian-Saipan-
404 PM ChST Thu Dec 19 2024

...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH LATE SATURDAY
NIGHT...

* WHAT...Dangerous rip currents.

* WHERE...East facing reefs of the Marianas.

* WHEN...Through late Saturday night.

* IMPACTS...Rip currents can sweep even the best swimmers away
from shore into deeper water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

Slagle
275 
WHMY40 PGUM 191831
CFWGUM

URGENT - IMMEDIATE BROADCAST REQUESTED
Coastal Hazard Message
National Weather Service Tiyan GU
431 AM ChST Fri Dec 20 2024

GUZ001-MPZ001>003-201000-
/O.CON.PGUM.RP.S.0019.000000T0000Z-241221T2000Z/
Guam-Rota-Tinian-Saipan-
431 AM ChST Fri Dec 20 2024

...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH LATE SATURDAY
NIGHT...

* WHAT...Dangerous rip currents.

* WHERE...East facing reefs of the Marianas.

* WHEN...Through late Saturday night.

* IMPACTS...Rip currents can sweep even the best swimmers away
from shore into deeper water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

Bowsher
366 
WHMY40 PGUM 200534
CFWGUM

URGENT - IMMEDIATE BROADCAST REQUESTED
Coastal Hazard Message
National Weather Service Tiyan GU
334 PM ChST Fri Dec 20 2024

GUZ001-MPZ001>003-202000-
/O.CON.PGUM.RP.S.0019.000000T0000Z-241221T2000Z/
Guam-Rota-Tinian-Saipan-
334 PM ChST Fri Dec 20 2024

...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH LATE SATURDAY
NIGHT...

* WHAT...Dangerous rip currents.

* WHERE...East facing reefs of the Marianas.

* WHEN...Through late Saturday night.

* IMPACTS...Rip currents can sweep even the best swimmers away
from shore into deeper water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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
953 
WHMY40 PGUM 201751
CFWGUM

URGENT - IMMEDIATE BROADCAST REQUESTED
Coastal Hazard Message
National Weather Service Tiyan GU
351 AM ChST Sat Dec 21 2024

GUZ001-MPZ001>003-210900-
/O.CON.PGUM.RP.S.0019.000000T0000Z-241221T2000Z/
Guam-Rota-Tinian-Saipan-
351 AM ChST Sat Dec 21 2024

...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH LATE TONIGHT...

* WHAT...Dangerous rip currents.

* WHERE...East facing reefs of the Marianas.

* WHEN...Through late tonight.

* IMPACTS...Rip currents can sweep even the best swimmers away
from shore into deeper water.

* ADDITIONAL INFORMATION...The east swell is expected to diminish
over the next day or so, however a strong north swell will likely 
take its place around Sunday. This new swell may cause the risk to 
on north and west facing reefs to become high. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

Bowsher
646 
WHMY40 PGUM 210535
CFWGUM

URGENT - IMMEDIATE BROADCAST REQUESTED
Coastal Hazard Message
National Weather Service Tiyan GU
335 PM ChST Sat Dec 21 2024

GUZ001-MPZ001>003-212000-
/O.CAN.PGUM.RP.S.0019.000000T0000Z-241221T2000Z/
/O.NEW.PGUM.SU.Y.0055.241221T1800Z-241223T0600Z/
/O.NEW.PGUM.RP.S.0020.241221T1800Z-241223T0600Z/
Guam-Rota-Tinian-Saipan-
335 PM ChST Sat Dec 21 2024

...HIGH RISK OF RIP CURRENTS IS NO LONGER IN EFFECT ALONG EAST FACING
REEFS... 
...HIGH SURF ADVISORY IN EFFECT FROM 4 AM SUNDAY TO 4 AM CHST 
MONDAY... 
...HIGH RISK OF RIP CURRENTS FROM SUNDAY MORNING THROUGH MONDAY 
AFTERNOON ALONG NORTH FACING REEFS...

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

* WHERE...North facing reefs of the Marianas.

* WHEN...4 AM Sunday to 4 PM ChST Monday.

* 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...A larger pulse of long-period north swell
  arrives early Sunday morning, creating hazardous surf and
  dangerous rip currents along north facing reefs through Monday.
  Surf along west facing reefs will be noticeably elevated, 
  expected to approach but not to exceed hazardous levels at this 
  time.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

The office that day

Everything else NWS Guam issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 15, 12:08 AM CSTSmall Craft AdvisoryGUM3 days

Nearby

Rip Current Statements in Northern Mariana Islands, 2024Rip Current Statements in Guam, 2024Every rip current statement in 2024

Sources

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