297
FZPQ50 PGUM 110649
SRFGUM
SURF ZONE FORECAST FOR THE MARIANA ISLANDS
NATIONAL WEATHER SERVICE TIYAN GU
449 PM CHST SUN MAY 11 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 MONDAY NIGHT.
THIS INCOMING SWELL IS EXPECTED TO CAUSE THE SURF ALONG NORTH AND
EAST FACING REEFS TO RISE BY ABOUT A FOOT. THE SURF IS EXPECTED TO
REMAIN ELEVATED THROUGH THE MIDDLE OF THE WEEK BEFORE FALLING NEAR
THE END OF THE WEEK. THE RIP CURRENT RISK IS NOT EXPECTED TO RISE
WITH THE SECONDARY SWELL.
GUZ001-MPZ001>003-112200-
GUAM-ROTA-TINIAN-SAIPAN-
449 PM CHST SUN MAY 11 2025
36 HOUR SURF ZONE FORECAST FOR THE MARIANAS FROM 600 PM SUNDAY
THROUGH 600 AM TUESDAY
TONIGHT
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............3 TO 5 FEET.
EAST FACING REEFS............5 TO 7 FEET.
SOUTH FACING REEFS............1 TO 2 FEET.
WEST FACING REEFS............1 TO 2 FEET.
SWELL/PERIOD
PRIMARY SWELL................EAST AT 4 TO 5 FEET.
PRIMARY PERIOD...............9 SECONDS.
WATER TEMPERATURE
RITIDIAN BUOY..........85 DEGREES.
WINDS...............EAST AT 10 TO 20 MPH.
MONDAY
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............3 TO 5 FEET.
EAST FACING REEFS............5 TO 7 FEET.
SOUTH FACING REEFS............1 TO 2 FEET.
WEST FACING REEFS............1 TO 2 FEET.
SWELL/PERIOD
PRIMARY SWELL................EAST AT 4 TO 5 FEET.
PRIMARY PERIOD...............9 SECONDS.
MAX HEAT INDEX.........AROUND 96.
WINDS...............EAST AT 10 TO 20 MPH.
MONDAY 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 2 FEET.
SWELL/PERIOD
PRIMARY SWELL................EAST AT 4 TO 6 FEET.
PRIMARY PERIOD...............9 SECONDS.
SECONDARY SWELL..............NORTHEAST AT 1 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 8:00 PM SUNDAY
LOW TIDE 1.5 FEET AT 1:18 AM MONDAY
HIGH TIDE 2.3 FEET AT 6:30 AM MONDAY
LOW TIDE 0.1 FEET AT 1:36 PM MONDAY
HIGH TIDE 2.3 FEET AT 8:42 PM MONDAY
LOW TIDE 1.6 FEET AT 2:00 AM TUESDAY
AT ROTA ISLAND...
HIGH TIDE 2.1 FEET AT 7:57 PM SUNDAY
LOW TIDE 1.4 FEET AT 1:12 AM MONDAY
HIGH TIDE 2.2 FEET AT 6:27 AM MONDAY
LOW TIDE 0.1 FEET AT 1:30 PM MONDAY
HIGH TIDE 2.2 FEET AT 8:39 PM MONDAY
LOW TIDE 1.5 FEET AT 1:54 AM TUESDAY
AT TINIAN ISLAND...
HIGH TIDE 1.6 FEET AT 7:48 PM SUNDAY
LOW TIDE 1.3 FEET AT 12:24 AM MONDAY
HIGH TIDE 1.7 FEET AT 5:30 AM MONDAY
LOW TIDE 0.0 FEET AT 1:12 PM MONDAY
HIGH TIDE 1.6 FEET AT 8:42 PM MONDAY
LOW TIDE 1.4 FEET AT 1:12 AM TUESDAY
AT TANAPAG HARBOR, SAIPAN...
HIGH TIDE 1.9 FEET AT 8:21 PM SUNDAY
LOW TIDE 1.4 FEET AT 12:54 AM MONDAY
HIGH TIDE 2.1 FEET AT 6:20 AM MONDAY
LOW TIDE -0.1 FEET AT 1:42 PM MONDAY
HIGH TIDE 2.0 FEET AT 9:05 PM MONDAY
LOW TIDE 1.6 FEET AT 1:41 AM TUESDAY
* 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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