558
FZPQ50 PGUM 120556
SRFGUM
SURF ZONE FORECAST FOR THE MARIANA ISLANDS
NATIONAL WEATHER SERVICE TIYAN GU
356 PM CHST MON MAY 12 2025
DISCUSSION
THERE WILL BE A MODERATE RISK OF RIP CURRENTS ALONG
NORTH AND EAST FACING REEFS OF THE MARIANAS THROUGH THE MIDDLE OF
THIS WEEK. A SECONDARY SWELL WILL ARRIVE IN THE REGION TONIGHT, WHICH
SHOULD ALLOW SURF ALONG NORTH AND EAST FACING REEFS TO RISE BY A
FOOT. THE RISK OF RIP CURRENTS IS EXPECTED TO REMAIN MODERATE THROUGH
THE MIDDLE OF THE WEEK BEFORE FALLING NEAR THE END OF THE WEEK.
GUZ001-MPZ001>003-122200-
GUAM-ROTA-TINIAN-SAIPAN-
356 PM CHST MON MAY 12 2025
36 HOUR SURF ZONE FORECAST FOR THE MARIANAS FROM 600 PM MONDAY
THROUGH 600 AM WEDNESDAY
TONIGHT
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............4 TO 6 FEET.
EAST FACING REEFS............6 TO 8 FEET.
SOUTH FACING REEFS............1 TO 2 FEET.
WEST FACING REEFS............1 TO 2 FEET.
SWELL/PERIOD
PRIMARY SWELL................EAST AT 4 TO 6 FEET.
PRIMARY PERIOD...............8 SECONDS.
SECONDARY SWELL..............NORTHEAST AT 1 TO 3 FEET.
SECONDARY PERIOD.............11 SECONDS.
WATER TEMPERATURE
RITIDIAN BUOY.......... 85 DEGREES.
WINDS...............EAST AT 10 TO 20 MPH.
TUESDAY
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............4 TO 6 FEET.
EAST FACING REEFS............6 TO 8 FEET.
SOUTH FACING REEFS............1 TO 2 FEET.
WEST FACING REEFS............1 TO 2 FEET.
SWELL/PERIOD
PRIMARY SWELL................EAST AT 4 TO 6 FEET.
PRIMARY PERIOD...............8 SECONDS.
SECONDARY SWELL..............NORTHEAST AT 1 TO 3 FEET.
SECONDARY PERIOD.............11 SECONDS.
MAX HEAT INDEX.........AROUND 95.
WINDS...............EAST AT 15 TO 20 MPH.
TUESDAY NIGHT
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............4 TO 6 FEET.
EAST FACING REEFS............6 TO 8 FEET.
SOUTH FACING REEFS............1 TO 2 FEET.
WEST FACING REEFS............1 TO 3 FEET.
SWELL/PERIOD
PRIMARY SWELL................EAST AT 4 TO 6 FEET.
PRIMARY PERIOD...............8 SECONDS.
SECONDARY SWELL..............NORTHEAST AT 2 TO 3 FEET.
SECONDARY PERIOD.............11 SECONDS.
WINDS...............EAST AT 10 TO 20 MPH.
TIDE INFORMATION FOR THE NEXT 36 HOURS...
AT APRA HARBOR, GUAM...
HIGH TIDE 2.3 FEET AT 8:42 PM MONDAY
LOW TIDE 1.6 FEET AT 2:00 AM TUESDAY
HIGH TIDE 2.3 FEET AT 6:54 AM TUESDAY
LOW TIDE -0.1 FEET AT 2:06 PM TUESDAY
HIGH TIDE 2.4 FEET AT 9:24 PM TUESDAY
LOW TIDE 1.7 FEET AT 2:42 AM WEDNESDAY
AT ROTA ISLAND...
HIGH TIDE 2.2 FEET AT 8:39 PM MONDAY
LOW TIDE 1.5 FEET AT 1:54 AM TUESDAY
HIGH TIDE 2.2 FEET AT 6:51 AM TUESDAY
LOW TIDE -0.1 FEET AT 2:00 PM TUESDAY
HIGH TIDE 2.2 FEET AT 9:21 PM TUESDAY
LOW TIDE 1.6 FEET AT 2:36 AM WEDNESDAY
AT TINIAN ISLAND...
HIGH TIDE 1.6 FEET AT 8:42 PM MONDAY
LOW TIDE 1.4 FEET AT 1:12 AM TUESDAY
HIGH TIDE 1.7 FEET AT 5:54 AM TUESDAY
LOW TIDE -0.1 FEET AT 1:48 PM TUESDAY
HIGH TIDE 1.7 FEET AT 9:36 PM TUESDAY
LOW TIDE 1.5 FEET AT 2:00 AM WEDNESDAY
AT TANAPAG HARBOR, SAIPAN...
HIGH TIDE 2.0 FEET AT 9:05 PM MONDAY
LOW TIDE 1.6 FEET AT 1:41 AM TUESDAY
HIGH TIDE 2.0 FEET AT 6:38 AM TUESDAY
LOW TIDE -0.2 FEET AT 2:16 PM TUESDAY
HIGH TIDE 2.0 FEET AT 9:51 PM TUESDAY
LOW TIDE 1.7 FEET AT 2:29 AM WEDNESDAY
* 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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