535
FZPQ50 PGUM 201810
SRFGUM
SURF ZONE FORECAST FOR THE MARIANA ISLANDS
NATIONAL WEATHER SERVICE TIYAN GU
410 AM CHST SAT DEC 21 2024
SYNOPSIS
THE HIGH RISK RIP OF CURRENT WILL CONTINUE ALONG EAST
FACING REEFS THROUGH SATURDAY NIGHT, WITH A MODERATE RISK FOR
ALL OTHER REEFS. A MODERATE RISK FOR LIGHTNING IS EXPECTED
THROUGH SATURDAY NIGHT. HIGH RISK MAY SHIFT TO NORTH AND WEST
FACING REEFS BY SUNDAY AS A STRONG NORTH SWELL MOVES IN.
GUZ001-MPZ001>003-210900-
GUAM-ROTA-TINIAN-SAIPAN-
410 AM CHST SAT DEC 21 2024
...HIGH RISK OF RIP CURRENTS ALONG EAST FACING REEFS THROUGH
LATE TONIGHT...
36 HOUR SURF ZONE FORECAST FOR THE MARIANAS FROM 600 AM SATURDAY
THROUGH 600 PM SUNDAY
TODAY AND TONIGHT (6 AM TO 6 AM SUNDAY)
RIP CURRENT RISK.....HIGH *.
SURF HEIGHT
NORTH FACING REEFS............5 TO 7 FEET.
EAST FACING REEFS............7 TO 9 FEET.
SOUTH FACING REEFS............3 TO 5 FEET.
WEST FACING REEFS............4 TO 6 FEET.
SWELL/PERIOD
PRIMARY SWELL................EAST AT 4 TO 6 FEET.
PRIMARY PERIOD...............9 SECONDS.
SECONDARY SWELL..............NORTH AT AROUND 3 FEET.
SECONDARY PERIOD.............9 SECONDS.
WATER TEMPERATURE
RITIDIAN BUOY.......... 85 DEGREES.
MAXIMUM AFTERNOON HEAT INDEX...........AROUND 102.
COASTAL WINDS............EAST AT 10 TO 15 MPH.
SUNDAY (6 AM TO 6 PM)
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............6 TO 8 FEET.
EAST FACING REEFS............5 TO 7 FEET.
SOUTH FACING REEFS............1 TO 3 FEET.
WEST FACING REEFS............6 TO 8 FEET.
SWELL/PERIOD
PRIMARY SWELL................NORTH AT AROUND 6 FEET.
PRIMARY PERIOD...............10 SECONDS.
SECONDARY SWELL..............EAST AT 2 TO 5 FEET.
SECONDARY PERIOD.............11 SECONDS.
MAXIMUM AFTERNOON HEAT INDEX...........AROUND 102.
COASTAL WINDS............EAST AT 10 TO 15 MPH.
OUTLOOK
A LARGER NORTHERLY SWELL EMANATING FROM A STRONG
MID-LATITUDE STORM LOOKS TO ARRIVE BY SUNDAY, BOOSTING SURF ALONG
NORTH AND POSSIBLY WEST FACING REEFS.
TIDE INFORMATION FOR THE NEXT 36 HOURS...
AT APRA HARBOR, GUAM...
LOW TIDE -0.2 FEET AT 5:33 AM SATURDAY
HIGH TIDE 2.0 FEET AT 1:08 PM SATURDAY
LOW TIDE 1.2 FEET AT 7:03 PM SATURDAY
HIGH TIDE 1.5 FEET AT 11:05 PM SATURDAY
LOW TIDE 0.1 FEET AT 6:14 AM SUNDAY
HIGH TIDE 2.0 FEET AT 1:42 PM SUNDAY
AT ROTA ISLAND...
LOW TIDE -0.2 FEET AT 5:27 AM SATURDAY
HIGH TIDE 1.9 FEET AT 1:05 PM SATURDAY
LOW TIDE 1.1 FEET AT 6:57 PM SATURDAY
HIGH TIDE 1.4 FEET AT 11:02 PM SATURDAY
LOW TIDE 0.1 FEET AT 6:08 AM SUNDAY
HIGH TIDE 1.9 FEET AT 1:39 PM SUNDAY
AT TINIAN ISLAND...
LOW TIDE -0.1 FEET AT 5:19 AM SATURDAY
HIGH TIDE 1.6 FEET AT 1:07 PM SATURDAY
LOW TIDE 1.1 FEET AT 6:54 PM SATURDAY
HIGH TIDE 1.3 FEET AT 10:27 PM SATURDAY
LOW TIDE 0.1 FEET AT 5:56 AM SUNDAY
HIGH TIDE 1.6 FEET AT 1:29 PM SUNDAY
AT TANAPAG HARBOR, SAIPAN...
LOW TIDE 0.1 FEET AT 5:41 AM SATURDAY
HIGH TIDE 2.1 FEET AT 1:24 PM SATURDAY
LOW TIDE 1.4 FEET AT 7:42 PM SATURDAY
HIGH TIDE 1.5 FEET AT 11:15 PM SATURDAY
LOW TIDE 0.4 FEET AT 6:23 AM SUNDAY
HIGH TIDE 2.1 FEET AT 1:56 PM SUNDAY
* 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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