Alert archive / Guam / Rip Current Statements in 2017

Rip Current Statement 1, NWS Guam

December 29, 2017

NWS Guam issued this rip current statement at Dec 29, 2017, 1:27 AM CST. It was in force for 47 hr.

The area

The counties it named.

The facts

Issued
Dec 29, 2017, 1:27 AM CST (07:27 UTC)
Expired
Dec 31, 2017, 12:00 AM CST
In force
47 hr
Issued by
NWS Guam

The text

As transmitted.

748 
WHMY40 PGUM 290727
CFWMY

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
527 PM CHST FRI DEC 29 2017

...SURF BECOMING HAZARDOUS ON NORTH FACING REEFS...

.LARGE SWELL GENERATED BY WINDS BEHIND A COLD FRONT THAT MOVED OFF
JAPAN A FEW DAYS AGO ARE NOW ARRIVING IN THE MARIANAS. THESE SWELL
WILL CREATE HAZARDOUS SURF AND A HIGH RISK OF RIP CURRENTS ALONG
NORTH FACING REEFS OF THE MARIANAS THROUGH SATURDAY AFTERNOON.

GUZ001>004-292130-
/O.NEW.PGUM.SU.Y.0013.171229T0800Z-171230T0800Z/
/O.NEW.PGUM.RP.S.0001.171229T0727Z-171230T0800Z/
GUAM-ROTA-TINIAN-SAIPAN-
527 PM CHST FRI DEC 29 2017

...HIGH RIP CURRENT RISK IN EFFECT THROUGH SATURDAY AFTERNOON...
...HIGH SURF ADVISORY IN EFFECT UNTIL 6 PM CHST SATURDAY...

THE NATIONAL WEATHER SERVICE IN TIYAN HAS ISSUED A HIGH SURF
ADVISORY, WHICH IS IN EFFECT UNTIL 6 PM CHST SATURDAY. THERE WILL
ALSO BE A HIGH RISK OF RIP CURRENTS THROUGH SATURDAY AFTERNOON.

* WAVES AND SURF...NORTH SWELL AROUND 6 FEET WILL CREATE HAZARDOUS
  SURF OF 8 TO 10 FEET ON NORTH FACING REEFS OF THE MARIANAS.

* TIMING...SURF IS LIKELY ALREADY HAZARDOUS ON SAIPAN. AS THE
  SWELL TRAVELS SOUTHWARD...SURF WILL BECOM HAZARDOUS LATER THIS
  EVENING THROUGHOUT THE FORECAST ZONES.

* IMPACTS...THE HAZARDOUS SURF MAY CREATE MINOR BEACH EROSION AND
  WILL LIKELY CAUSE LIFE-THREATENING RIP CURRENTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AVOID VENTURING NEAR REEF LINES AND EXPOSED BEACHES...ESPECIALLY
THOSE FACING NORTH...AS RIP CURRENTS WILL BE LIFE THREATENING.

RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY
FROM SHORE...WHICH OCCUR MOST OFTEN AT LOW SPOTS OR CHANNELS IN
THE REEF AND IN THE VICINITY OF STRUCTURES SUCH AS JETTIES AND
PIERS. HEED THE ADVICE OF LIFEGUARDS...BEACH PATROL FLAGS AND
SIGNS.

IF YOU BECOME CAUGHT IN A RIP CURRENT...YELL FOR HELP. REMAIN
CALM AND DO NOT EXHAUST YOURSELF. STAY AFLOAT WHILE WAITING FOR
HELP. IF YOU HAVE TO SWIM OUT OF A RIP CURRENT...SWIM PARALLEL TO
SHORE AND BACK TOWARD THE BEACH WHEN POSSIBLE. DO NOT ATTEMPT TO
SWIM DIRECTLY AGAINST A RIP CURRENT AS YOU WILL TIRE QUICKLY.

&&

$$

STANKO
4 follow-up statements
499 
WHMY40 PGUM 291815
CFWMY 

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
415 AM CHST SAT DEC 30 2017

GUZ001>004-300800-
/O.CON.PGUM.SU.Y.0013.000000T0000Z-171230T0800Z/
/O.CON.PGUM.RP.S.0001.000000T0000Z-171230T0800Z/
GUAM-ROTA-TINIAN-SAIPAN-
415 AM CHST SAT DEC 30 2017

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM CHST THIS EVENING
ALONG NORTH FACING REEFS...
...HIGH RISK OF RIP CURRENTS TODAY ALONG NORTH FACING REEFS...

EXPECT HAZARDOUS SURF OF 7 TO 9 FEET TODAY ALONG NORTH FACING REEFS.
THIS SURF WILL RESULT IN A HIGH RISK OF RIP CURRENTS. THE SURF IS
EXPECTED TO DIMINISH TO BETWEEN 6 AND 8 FEET BY EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AVOID VENTURING NEAR REEF LINES AND EXPOSED BEACHES...ESPECIALLY
THOSE FACING NORTH...AS RIP CURRENTS WILL BE LIFE THREATENING.

&&

$$
478 
WHMY40 PGUM 300712
CFWMY

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
512 PM CHST SAT DEC 30 2017

...LARGE NORTH SWELL CONTINUE IN THE MARIANAS...

.NORTH SWELL IS PERSISTING A BIT LONGER THAN ORIGINALLY
FORECAST...AND THE ADVISORY HAS BEEN EXTENDED THROUGH TONIGHT.

GUZ001>004-301515-
/O.EXT.PGUM.SU.Y.0013.000000T0000Z-171230T2000Z/
/O.EXT.PGUM.RP.S.0001.000000T0000Z-171230T2000Z/
GUAM-ROTA-TINIAN-SAIPAN-
512 PM CHST SAT DEC 30 2017

...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 6 AM CHST SUNDAY...
...HIGH RISK OF RIP CURRENTS THROUGH LATE TONIGHT...

EXPECT HAZARDOUS SURF OF 7 TO 9 FEET TONIGHT ALONG NORTH FACING
REEFS. THIS SURF WILL RESULT IN A HIGH RISK OF RIP CURRENTS. THE
SURF IS EXPECTED TO DIMINISH TO BETWEEN 6 AND 8 FEET SUNDAY MORNING.
TANAPAG AND RITIDIAN BUOYS SHOW THAT THE SWELLS ARE DIMINISHING A
BIT SLOWER THAN FORECAST...SO THE ADVISORY HAS BEEN EXTENDED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AVOID VENTURING NEAR REEF LINES AND EXPOSED BEACHES...ESPECIALLY
THOSE FACING NORTH...AS RIP CURRENTS WILL BE LIFE THREATENING.

&&

$$
095 
WHMY40 PGUM 300717
CFWMY

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
517 PM CHST SAT DEC 30 2017

...LARGE NORTH SWELL CONTINUE IN THE MARIANAS...

.NORTH SWELL IS PERSISTING A BIT LONGER THAN ORIGINALLY
FORECAST...AND THE ADVISORY HAS BEEN EXTENDED THROUGH TONIGHT.

GUZ001>004-302000-
/O.CON.PGUM.SU.Y.0013.000000T0000Z-171230T2000Z/
/O.CON.PGUM.RP.S.0001.000000T0000Z-171230T2000Z/
GUAM-ROTA-TINIAN-SAIPAN-
517 PM CHST SAT DEC 30 2017

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 AM CHST SUNDAY...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH LATE TONIGHT...

EXPECT HAZARDOUS SURF OF 7 TO 9 FEET TONIGHT ALONG NORTH FACING
REEFS. THIS SURF WILL RESULT IN A HIGH RISK OF RIP CURRENTS. THE
SURF IS EXPECTED TO DIMINISH TO BETWEEN 6 AND 8 FEET SUNDAY MORNING.
TANAPAG AND RITIDIAN BUOYS SHOW THAT THE SWELLS ARE DIMINISHING A
BIT SLOWER THAN FORECAST...SO THE ADVISORY HAS BEEN EXTENDED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AVOID VENTURING NEAR REEF LINES AND EXPOSED BEACHES...ESPECIALLY
THOSE FACING NORTH...AS RIP CURRENTS WILL BE LIFE THREATENING.

&&

$$
516 
WHMY40 PGUM 301948
CFWMY

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
548 AM CHST SUN DEC 31 2017

...LARGE NORTH SWELL CONTINUE IN THE MARIANAS...

.NORTH SWELL WILL CONTINUE ACROSS THE REGION TODAY...THUS THE
ADVISORY HAS BEEN EXTENDED THROUGH TODAY.

GUZ001>004-310600-
/O.EXT.PGUM.SU.Y.0013.000000T0000Z-171231T0600Z/
/O.EXT.PGUM.RP.S.0001.000000T0000Z-171231T0600Z/
GUAM-ROTA-TINIAN-SAIPAN-
548 AM CHST SUN DEC 31 2017

...HIGH SURF ADVISORY IN EFFECT UNTIL 4 PM CHST THIS AFTERNOON...
...HIGH RIP CURRENT RISK UNTIL 4 PM CHST THIS AFTERNOON...

EXPECT HAZARDOUS SURF OF 7 TO 9 FEET TODAY ALONG NORTH FACING
REEFS. THIS SURF WILL RESULT IN A HIGH RISK OF RIP CURRENTS. THE
SURF IS EXPECTED TO DIMINISH TO BETWEEN 6 AND 8 FEET THIS EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AVOID VENTURING NEAR REEF LINES AND EXPOSED BEACHES...ESPECIALLY
THOSE FACING NORTH...AS RIP CURRENTS WILL BE LIFE THREATENING.

&&

$$

AYDLETT

The office that day

Everything else NWS Guam issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 29, 2:00 AM CSTHigh Surf AdvisoryGUM46 hr

Nearby

Rip Current Statements in Guam, 2017Every rip current statement in 2017

Sources

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