137
FZPQ50 PGUM 211810
SRFGUM
SURF ZONE FORECAST FOR THE MARIANA ISLANDS
NATIONAL WEATHER SERVICE TIYAN GU
410 AM CHST SUN DEC 22 2024
SYNOPSIS
A HIGH RISK OF RIP CURRENTS EXISTS ALONG NORTH
FACING REEFS, A MODERATE RISK EXISTS ALONG ALL OTHER REEFS.
A LARGER PULSE OF LONG-PERIOD NORTH SWELL AS ARRIVED, 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 MAY EXCEED
HAZARDOUS LEVELS. A MODERATE RISK OF LIGHTNING IS EXPECTED
THROUGH TODAY.
GUZ001-MPZ001>003-221000-
GUAM-ROTA-TINIAN-SAIPAN-
410 AM CHST SUN DEC 22 2024
...HIGH SURF ADVISORY IN EFFECT UNTIL 4 PM CHST MONDAY
ALONG NORTH FACING REEFS...
...HIGH RISK OF RIP CURRENTS THROUGH MONDAY AFTERNOON
ALONG NORTH FACING REEFS...
36 HOUR SURF ZONE FORECAST FOR THE MARIANAS FROM 600 AM SUNDAY
THROUGH 600 PM MONDAY
TODAY (6 AM TO 6 PM)
RIP CURRENT RISK.....HIGH. POUNDING SURF WILL PRODUCE LIFE
THREATENING RIP CURRENTS AT REEFS AND
BEACHES.
SURF HEIGHT
NORTH FACING REEFS............8 TO 10 FEET.
EAST FACING REEFS............6 TO 8 FEET.
SOUTH FACING REEFS............3 TO 5 FEET.
WEST FACING REEFS............7 TO 8 FEET.
SWELL/PERIOD
PRIMARY SWELL................NORTH AT AROUND 8 FEET.
PRIMARY PERIOD...............12 SECONDS.
SECONDARY SWELL..............EAST AT 3 TO 5 FEET.
SECONDARY PERIOD.............10 SECONDS.
WATER TEMPERATURE
RITIDIAN BUOY.......... 85 DEGREES.
MAXIMUM AFTERNOON HEAT INDEX...........AROUND 104.
COASTAL WINDS............EAST AT 10 TO 15 MPH.
TONIGHT (6 PM TO 6 AM MONDAY)
RIP CURRENT RISK.....HIGH *.
SURF HEIGHT
NORTH FACING REEFS............7 TO 9 FEET.
EAST FACING REEFS............6 TO 8 FEET.
SOUTH FACING REEFS............2 TO 4 FEET.
WEST FACING REEFS............6 TO 8 FEET.
SWELL/PERIOD
PRIMARY SWELL................NORTH AT AROUND 8 FEET.
PRIMARY PERIOD...............12 SECONDS.
SECONDARY SWELL..............EAST AT 4 TO 6 FEET.
SECONDARY PERIOD.............9 SECONDS.
COASTAL WINDS............EAST AT 10 TO 15 MPH.
MONDAY (6 AM TO 6 PM)
RIP CURRENT RISK.....HIGH *.
SURF HEIGHT
NORTH FACING REEFS............7 TO 9 FEET.
EAST FACING REEFS............4 TO 6 FEET.
SOUTH FACING REEFS............2 TO 4 FEET.
WEST FACING REEFS............6 TO 7 FEET.
SWELL/PERIOD
PRIMARY SWELL................NORTH AT AROUND 8 FEET.
PRIMARY PERIOD...............10 SECONDS.
SECONDARY SWELL..............EAST AT 3 TO 5 FEET.
SECONDARY PERIOD.............9 SECONDS.
MAXIMUM AFTERNOON HEAT INDEX...........AROUND 101.
COASTAL WINDS............EAST AT 10 TO 15 MPH.
OUTLOOK
HAZARDOUS SWELL AND RIP CURRENTS ARE EXPECTED CONTINUE
ALONG NORTH FACING REEFS THROUGH MONDAY AFTERNOON.
TIDE INFORMATION FOR THE NEXT 36 HOURS...
AT APRA HARBOR, GUAM...
LOW TIDE 0.1 FEET AT 6:14 AM SUNDAY
HIGH TIDE 2.0 FEET AT 1:42 PM SUNDAY
LOW TIDE 1.0 FEET AT 8:06 PM SUNDAY
HIGH TIDE 1.4 FEET AT 12:24 AM MONDAY
LOW TIDE 0.4 FEET AT 6:57 AM MONDAY
HIGH TIDE 2.0 FEET AT 2:11 PM MONDAY
AT ROTA ISLAND...
LOW TIDE 0.1 FEET AT 6:08 AM SUNDAY
HIGH TIDE 1.9 FEET AT 1:39 PM SUNDAY
LOW TIDE 0.9 FEET AT 8:00 PM SUNDAY
HIGH TIDE 1.3 FEET AT 12:21 AM MONDAY
LOW TIDE 0.4 FEET AT 6:51 AM MONDAY
HIGH TIDE 1.9 FEET AT 2:08 PM MONDAY
AT TINIAN ISLAND...
LOW TIDE 0.1 FEET AT 5:56 AM SUNDAY
HIGH TIDE 1.6 FEET AT 1:29 PM SUNDAY
LOW TIDE 0.9 FEET AT 7:57 PM SUNDAY
HIGH TIDE 1.1 FEET AT 11:56 PM SUNDAY
LOW TIDE 0.4 FEET AT 6:31 AM MONDAY
HIGH TIDE 1.6 FEET AT 1:48 PM MONDAY
AT TANAPAG HARBOR, SAIPAN...
LOW TIDE 0.4 FEET AT 6:23 AM SUNDAY
HIGH TIDE 2.1 FEET AT 1:56 PM SUNDAY
LOW TIDE 1.2 FEET AT 8:44 PM SUNDAY
HIGH TIDE 1.4 FEET AT 12:43 AM MONDAY
LOW TIDE 0.7 FEET AT 7:04 AM MONDAY
HIGH TIDE 2.0 FEET AT 2:23 PM MONDAY
* LOW RISK OF RIP CURRENTS - STRONG CURRENTS CAN STILL OCCUR NEAR
JETTIES AND REEF CHANNELS. ALWAYS HAVE A FLOTATION DEVICE WITH YOU
IN THE WATER.
MODERATE RISK OF RIP CURRENTS - WAVE CONDITIONS SUPPORT STRONGER
OR MORE FREQUENT RIP CURRENTS. ALWAYS HAVE A FLOTATION DEVICE WITH
YOU IN THE WATER.
HIGH RISK OF RIP CURRENTS - LARGE WAVES WILL PRODUCE STRONG RIP
CURRENTS, ESPECIALLY ALONG NARROW REEFS AND BEACHES. IF CAUGHT IN
A RIP CURRENT, SWIM PARALLEL TO THE BEACH RATHER THAN AGAINST THE
CURRENT.
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