657
FZPQ50 PGUM 280652
SRFGUM
SURF ZONE FORECAST FOR THE MARIANA ISLANDS
NATIONAL WEATHER SERVICE TIYAN GU
452 PM CHST FRI NOV 28 2025
DISCUSSION
A MODERATE RISK OF RIP CURRENTS IS EXPECTED ALONG
NORTH AND EAST FACING REEFS OF THE MARIANAS, THEN AS NORTH SWELL
BUILDS INTO THE REGION, THE RIP RISK MAY INCREASE TO HIGH EARLY NEXT
WEEK. A MODERATE RISK OF LIGHTNING IS EXPECTED THROUGH EARLY NEXT
WEEK AS A BROAD TROUGH BUILDS INTO THE REGION.
GUZ001-MPZ001>003-282300-
GUAM-ROTA-TINIAN-SAIPAN-
452 PM CHST FRI NOV 28 2025
36 HOUR SURF ZONE FORECAST FOR THE MARIANAS FROM 600 PM FRIDAY
THROUGH 600 AM SUNDAY
TONIGHT
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............2 TO 4 FEET.
EAST FACING REEFS............6 TO 8 FEET.
SOUTH FACING REEFS............1 TO 3 FEET.
WEST FACING REEFS............1 TO 2 FEET.
SWELL/PERIOD
PRIMARY SWELL................EAST AT 4 TO 6 FEET.
PRIMARY PERIOD...............8 SECONDS.
WATER TEMPERATURE
RITIDIAN BUOY..........85 DEGREES.
WINDS...............EAST AT 10 TO 15 MPH.
SATURDAY
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............3 TO 5 FEET.
EAST FACING REEFS............7 TO 8 FEET.
SOUTH FACING REEFS............2 TO 4 FEET.
WEST FACING REEFS............2 TO 4 FEET.
SWELL/PERIOD
PRIMARY SWELL................EAST AT 4 TO 6 FEET.
PRIMARY PERIOD...............8 SECONDS.
SECONDARY SWELL..............NORTH AT AROUND 2 FEET.
SECONDARY PERIOD.............11 SECONDS.
MAX HEAT INDEX.........AROUND 101.
WINDS...............EAST AT 10 TO 20 MPH.
SATURDAY NIGHT
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............4 TO 5 FEET.
EAST FACING REEFS............7 TO 8 FEET.
SOUTH FACING REEFS............2 TO 4 FEET.
WEST FACING REEFS............3 TO 4 FEET.
SWELL/PERIOD
PRIMARY SWELL................EAST AT 4 TO 6 FEET.
PRIMARY PERIOD...............8 SECONDS.
SECONDARY SWELL..............NORTH AT AROUND 2 FEET.
SECONDARY PERIOD.............12 SECONDS.
WINDS...............EAST AT 10 TO 20 MPH.
TIDE INFORMATION FOR THE NEXT 36 HOURS...
AT APRA HARBOR, GUAM...
LOW TIDE 1.2 FEET AT 8:43 PM FRIDAY
HIGH TIDE 1.5 FEET AT 12:48 AM SATURDAY
LOW TIDE 0.2 FEET AT 7:41 AM SATURDAY
HIGH TIDE 2.2 FEET AT 2:56 PM SATURDAY
LOW TIDE 0.9 FEET AT 9:34 PM SATURDAY
HIGH TIDE 1.5 FEET AT 2:35 AM SUNDAY
AT ROTA ISLAND...
LOW TIDE 1.1 FEET AT 8:37 PM FRIDAY
HIGH TIDE 1.4 FEET AT 12:45 AM SATURDAY
LOW TIDE 0.2 FEET AT 7:35 AM SATURDAY
HIGH TIDE 2.1 FEET AT 2:53 PM SATURDAY
LOW TIDE 0.8 FEET AT 9:28 PM SATURDAY
HIGH TIDE 1.4 FEET AT 2:32 AM SUNDAY
AT TINIAN ISLAND...
LOW TIDE 1.0 FEET AT 8:21 PM FRIDAY
HIGH TIDE 1.1 FEET AT 12:00 AM SATURDAY
LOW TIDE 0.1 FEET AT 7:11 AM SATURDAY
HIGH TIDE 1.6 FEET AT 2:29 PM SATURDAY
LOW TIDE 0.7 FEET AT 9:08 PM SATURDAY
HIGH TIDE 1.1 FEET AT 1:46 AM SUNDAY
AT TANAPAG HARBOR, SAIPAN...
LOW TIDE 1.3 FEET AT 9:06 PM FRIDAY
HIGH TIDE 1.5 FEET AT 12:50 AM SATURDAY
LOW TIDE 0.4 FEET AT 7:50 AM SATURDAY
HIGH TIDE 2.2 FEET AT 3:06 PM SATURDAY
LOW TIDE 1.0 FEET AT 9:48 PM SATURDAY
HIGH TIDE 1.5 FEET AT 2:44 AM 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. RIP CURRENTS
WILL BE LIFE THREATENING. IF CAUGHT IN A RIP CURRENT, SWIM PARALLEL
TO THE BEACH RATHER THAN AGAINST THE CURRENT.
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