878
FZPQ50 PGUM 290600
SRFGUM
SURF ZONE FORECAST FOR THE MARIANA ISLANDS
NATIONAL WEATHER SERVICE TIYAN GU
400 PM CHST SAT AUG 29 2026
DISCUSSION
THERE WILL BE A MODERATE RISK OF RIP CURRENTS ALONG
WEST AND NORTH FACING REEFS FOR THE NEXT SEVERAL DAYS. BUILDING
SWELL NEXT WEEK MAY CAUSE RIP CURRENT RISK TO BECOME MODERATE ALONG
EAST FACING REEFS AND HIGH ALONG WEST FACING REEFS. THERE WILL BE A
MODERATE RISK OF LIGHTNING BEGINNING TONIGHT NEAR MIDNIGHT. IT WILL
CONTINUE SEVERAL DAYS FOR GUAM, ENDING MONDAY FOR CNMI.
GUZ001-MPZ001>003-292100-
GUAM-ROTA-TINIAN-SAIPAN-
400 PM CHST SAT AUG 29 2026
36 HOUR SURF ZONE FORECAST FOR THE MARIANAS FROM 600 PM SATURDAY
THROUGH 600 AM MONDAY
TONIGHT
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............3 TO 5 FEET.
EAST FACING REEFS............3 TO 4 FEET.
SOUTH FACING REEFS............2 TO 3 FEET.
WEST FACING REEFS............3 TO 5 FEET.
SWELL/PERIOD
PRIMARY SWELL................WEST AT 2 TO 3 FEET.
PRIMARY PERIOD...............8 SECONDS.
SECONDARY SWELL..............NORTHEAST AT AROUND 2 FEET.
SECONDARY PERIOD.............11 SECONDS.
WATER TEMPERATURE
PAGO BUOY..........84 DEGREES.
WINDS...............NORTHWEST AT AROUND 10 MPH.
SUNDAY
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............3 TO 5 FEET.
EAST FACING REEFS............3 TO 5 FEET.
SOUTH FACING REEFS............2 TO 3 FEET.
WEST FACING REEFS............3 TO 5 FEET.
SWELL/PERIOD
PRIMARY SWELL................WEST AT 2 TO 3 FEET.
PRIMARY PERIOD...............8 SECONDS.
SECONDARY SWELL..............NORTHEAST AT AROUND 2 FEET.
SECONDARY PERIOD.............11 SECONDS.
MAX HEAT INDEX.........AROUND 100.
WINDS...............NORTHWEST AT AROUND 10 MPH.
SUNDAY NIGHT
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............4 TO 6 FEET.
EAST FACING REEFS............2 TO 4 FEET.
SOUTH FACING REEFS............2 TO 3 FEET.
WEST FACING REEFS............4 TO 6 FEET.
SWELL/PERIOD
PRIMARY SWELL................WEST AT 2 TO 4 FEET.
PRIMARY PERIOD...............8 SECONDS.
SECONDARY SWELL..............NORTHEAST AT AROUND 2 FEET.
SECONDARY PERIOD.............10 SECONDS.
WINDS...............NORTHWEST AT AROUND 10 MPH.
TIDE INFORMATION FOR THE NEXT 36 HOURS...
AT APRA HARBOR, GUAM...
HIGH TIDE 2.5 FEET AT 8:47 PM SATURDAY
LOW TIDE 1.0 FEET AT 2:49 AM SUNDAY
HIGH TIDE 2.5 FEET AT 8:28 AM SUNDAY
LOW TIDE 0.5 FEET AT 2:57 PM SUNDAY
HIGH TIDE 2.5 FEET AT 9:09 PM SUNDAY
LOW TIDE 0.8 FEET AT 3:26 AM MONDAY
AT ROTA ISLAND...
HIGH TIDE 2.3 FEET AT 8:44 PM SATURDAY
LOW TIDE 0.9 FEET AT 2:43 AM SUNDAY
HIGH TIDE 2.3 FEET AT 8:25 AM SUNDAY
LOW TIDE 0.5 FEET AT 2:51 PM SUNDAY
HIGH TIDE 2.4 FEET AT 9:06 PM SUNDAY
LOW TIDE 0.7 FEET AT 3:20 AM MONDAY
AT TINIAN ISLAND...
HIGH TIDE 1.8 FEET AT 8:45 PM SATURDAY
LOW TIDE 0.3 FEET AT 2:26 AM SUNDAY
HIGH TIDE 1.8 FEET AT 8:26 AM SUNDAY
LOW TIDE 0.2 FEET AT 2:34 PM SUNDAY
HIGH TIDE 1.9 FEET AT 9:07 PM SUNDAY
LOW TIDE 0.3 FEET AT 3:03 AM MONDAY
AT TANAPAG HARBOR, SAIPAN...
HIGH TIDE 2.1 FEET AT 9:11 PM SATURDAY
LOW TIDE 0.9 FEET AT 2:59 AM SUNDAY
HIGH TIDE 2.0 FEET AT 8:38 AM SUNDAY
LOW TIDE 0.3 FEET AT 3:07 PM SUNDAY
HIGH TIDE 2.1 FEET AT 9:31 PM SUNDAY
LOW TIDE 0.7 FEET AT 3:36 AM 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. 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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