935
FZPQ50 PGUM 110719
SRFGUM
SURF ZONE FORECAST FOR THE MARIANA ISLANDS
NATIONAL WEATHER SERVICE TIYAN GU
519 PM CHST FRI SEP 11 2026
DISCUSSION
THERE IS A MODERATE RISK OF RIP CURRENTS ALONG NORTH AND EAST FACING
REEFS. THERE IS A SLIGHT RISK OF LIGHTNING FOR GUAM SATURDAY
AFTERNOON. SURF MAY BUILD BEGINNING OF NEXT WEEK ALONG EAST AND
NORTH FACING REEFS DEPENDING IF A TROPICAL DISTURBANCE DEVELOPS AND
APPROACHES THE REGION. THIS SITUATION WILL CONTINUE TO BE MONITORED
AS UNCERTAINTY IS HIGH AT THIS TIME.
GUZ001-MPZ001>003-112230-
GUAM-ROTA-TINIAN-SAIPAN-
519 PM CHST FRI SEP 11 2026
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............3 TO 5 FEET.
EAST FACING REEFS............4 TO 6 FEET.
SOUTH FACING REEFS............2 TO 4 FEET.
WEST FACING REEFS............2 TO 4 FEET.
SWELL/PERIOD
PRIMARY SWELL................EAST AT AROUND 3 FEET.
PRIMARY PERIOD...............13 SECONDS.
SECONDARY SWELL..............WEST AT AROUND 2 FEET.
SECONDARY PERIOD.............8 SECONDS.
WATER TEMPERATURE
PAGO BUOY..........86 DEGREES.
WINDS...............NORTHEAST AT 5 TO 10 MPH.
SATURDAY
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............3 TO 5 FEET.
EAST FACING REEFS............4 TO 6 FEET.
SOUTH FACING REEFS............2 TO 4 FEET.
WEST FACING REEFS............2 TO 4 FEET.
SWELL/PERIOD
PRIMARY SWELL................EAST AT AROUND 3 FEET.
PRIMARY PERIOD...............13 SECONDS.
SECONDARY SWELL..............WEST AT AROUND 2 FEET.
SECONDARY PERIOD.............8 SECONDS.
MAX HEAT INDEX.........AROUND 102.
WINDS...............EAST AT AROUND 5 MPH.
SATURDAY NIGHT
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............3 TO 5 FEET.
EAST FACING REEFS............4 TO 6 FEET.
SOUTH FACING REEFS............2 TO 3 FEET.
WEST FACING REEFS............1 TO 3 FEET.
SWELL/PERIOD
PRIMARY SWELL................EAST AT AROUND 3 FEET.
PRIMARY PERIOD...............13 SECONDS.
WINDS...............EAST AT 5 TO 10 MPH.
TIDE INFORMATION FOR THE NEXT 36 HOURS...
AT APRA HARBOR, GUAM...
HIGH TIDE 2.5 FEET AT 8:07 PM FRIDAY
LOW TIDE 0.8 FEET AT 2:13 AM SATURDAY
HIGH TIDE 2.5 FEET AT 7:58 AM SATURDAY
LOW TIDE 0.4 FEET AT 2:27 PM SATURDAY
HIGH TIDE 2.5 FEET AT 8:31 PM SATURDAY
LOW TIDE 0.6 FEET AT 2:53 AM SUNDAY
AT ROTA ISLAND...
HIGH TIDE 2.4 FEET AT 8:04 PM FRIDAY
LOW TIDE 0.7 FEET AT 2:07 AM SATURDAY
HIGH TIDE 2.4 FEET AT 7:55 AM SATURDAY
LOW TIDE 0.4 FEET AT 2:21 PM SATURDAY
HIGH TIDE 2.3 FEET AT 8:28 PM SATURDAY
LOW TIDE 0.5 FEET AT 2:47 AM SUNDAY
AT TINIAN ISLAND...
HIGH TIDE 1.9 FEET AT 8:05 PM FRIDAY
LOW TIDE 0.2 FEET AT 1:50 AM SATURDAY
HIGH TIDE 1.9 FEET AT 7:56 AM SATURDAY
LOW TIDE 0.1 FEET AT 2:04 PM SATURDAY
HIGH TIDE 1.8 FEET AT 8:29 PM SATURDAY
LOW TIDE 0.2 FEET AT 2:30 AM SUNDAY
AT TANAPAG HARBOR, SAIPAN...
HIGH TIDE 2.2 FEET AT 8:20 PM FRIDAY
LOW TIDE 0.7 FEET AT 2:19 AM SATURDAY
HIGH TIDE 2.2 FEET AT 8:12 AM SATURDAY
LOW TIDE 0.3 FEET AT 2:37 PM SATURDAY
HIGH TIDE 2.1 FEET AT 8:47 PM SATURDAY
LOW TIDE 0.5 FEET AT 3:01 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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