980
FZPQ50 PGUM 160718
SRFGUM
SURF ZONE FORECAST FOR THE MARIANA ISLANDS
NATIONAL WEATHER SERVICE TIYAN GU
518 PM CHST TUE JUN 16 2026
DISCUSSION
THERE IS A MODERATE RISK OF RIP CURRENTS ALONG EAST-FACING REEFS FOR
THE NEXT SEVERAL DAYS. A MODERATE RISK OF LIGHTNING EXISTS FOR THE
CNMI TONIGHT AND TOMORROW. INVEST 92W WILL CONTINUE BUILDING THE EAST
SWELL FOR ALL OF THE ISLANDS.
GUZ001-MPZ001>003-162230-
GUAM-ROTA-TINIAN-SAIPAN-
518 PM CHST TUE JUN 16 2026
36 HOUR SURF ZONE FORECAST FOR THE MARIANAS FROM 600 PM TUESDAY
THROUGH 600 AM THURSDAY
TONIGHT
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............2 TO 4 FEET.
EAST FACING REEFS............3 TO 5 FEET.
SOUTH FACING REEFS............1 TO 3 FEET.
WEST FACING REEFS............1 TO 2 FEET.
SWELL/PERIOD
PRIMARY SWELL................EAST AT 3 TO 4 FEET.
PRIMARY PERIOD...............8 SECONDS.
WATER TEMPERATURE
TANAPAG BUOY.......... 86 DEGREES.
WINDS...............EAST AT 10 TO 15 MPH.
WEDNESDAY
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............2 TO 4 FEET.
EAST FACING REEFS............3 TO 5 FEET.
SOUTH FACING REEFS............1 TO 2 FEET.
WEST FACING REEFS............1 TO 2 FEET.
SWELL/PERIOD
PRIMARY SWELL................EAST AT 3 TO 4 FEET.
PRIMARY PERIOD...............8 SECONDS.
MAX HEAT INDEX.........AROUND 102.
WINDS...............EAST TO NORTHEAST AT 5 TO 15 MPH.
WEDNESDAY NIGHT
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............2 TO 4 FEET.
EAST FACING REEFS............4 TO 6 FEET.
SOUTH FACING REEFS............1 TO 2 FEET.
WEST FACING REEFS............1 TO 2 FEET.
SWELL/PERIOD
PRIMARY SWELL................EAST AROUND 4 FEET.
PRIMARY PERIOD...............8 SECONDS.
WINDS...............EAST AT 10 TO 15 MPH.
TIDE INFORMATION FOR THE NEXT 36 HOURS...
AT APRA HARBOR, GUAM...
HIGH TIDE 2.7 FEET AT 10:03 PM TUESDAY
LOW TIDE 1.9 FEET AT 3:12 AM WEDNESDAY
HIGH TIDE 2.8 FEET AT 7:51 AM WEDNESDAY
LOW TIDE -0.6 FEET AT 3:28 PM WEDNESDAY
HIGH TIDE 2.7 FEET AT 10:55 PM WEDNESDAY
LOW TIDE 1.9 FEET AT 4:10 AM THURSDAY
AT ROTA ISLAND...
HIGH TIDE 2.6 FEET AT 10:00 PM TUESDAY
LOW TIDE 1.8 FEET AT 3:06 AM WEDNESDAY
HIGH TIDE 2.6 FEET AT 7:48 AM WEDNESDAY
LOW TIDE -0.6 FEET AT 3:22 PM WEDNESDAY
HIGH TIDE 2.6 FEET AT 10:52 PM WEDNESDAY
LOW TIDE 1.8 FEET AT 4:04 AM THURSDAY
AT TINIAN ISLAND...
HIGH TIDE 2.0 FEET AT 10:01 PM TUESDAY
LOW TIDE 0.6 FEET AT 2:49 AM WEDNESDAY
HIGH TIDE 2.1 FEET AT 7:49 AM WEDNESDAY
LOW TIDE -0.2 FEET AT 3:05 PM WEDNESDAY
HIGH TIDE 2.0 FEET AT 10:53 PM WEDNESDAY
LOW TIDE 0.6 FEET AT 3:47 AM THURSDAY
AT TANAPAG HARBOR, SAIPAN...
HIGH TIDE 2.5 FEET AT 10:35 PM TUESDAY
LOW TIDE 1.9 FEET AT 3:30 AM WEDNESDAY
HIGH TIDE 2.3 FEET AT 7:38 AM WEDNESDAY
LOW TIDE -0.8 FEET AT 3:33 PM WEDNESDAY
HIGH TIDE 2.5 FEET AT 11:26 PM WEDNESDAY
LOW TIDE 1.7 FEET AT 4:33 AM THURSDAY
* 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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