151
FZPQ50 PGUM 291730
SRFGUM
SURF ZONE FORECAST FOR THE MARIANA ISLANDS
NATIONAL WEATHER SERVICE TIYAN GU
330 AM CHST TUE JUN 30 2026
DISCUSSION
THERE WILL BE A MODERATE RISK OF RIP CURRENTS ALONG
EAST FACING REEFS OF THE MARIANAS.
GUZ001-MPZ001>003-300830-
GUAM-ROTA-TINIAN-SAIPAN-
330 AM CHST TUE JUN 30 2026
36 HOUR SURF ZONE FORECAST FOR THE MARIANAS FROM 600 AM TUESDAY
THROUGH 600 PM WEDNESDAY
TODAY
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............2 TO 4 FEET.
EAST FACING REEFS............4 TO 6 FEET.
SOUTH FACING REEFS............2 TO 4 FEET.
WEST FACING REEFS............AROUND 1 FOOT.
SWELL/PERIOD
PRIMARY SWELL................EAST AT AROUND 4 FEET.
PRIMARY PERIOD...............8 SECONDS.
WATER TEMPERATURE
TANAPAG BUOY..........84 DEGREES.
MAX HEAT INDEX.........AROUND 101.
WINDS...............EAST AT AROUND 10 MPH.
TONIGHT
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............1 TO 3 FEET.
EAST FACING REEFS............3 TO 5 FEET.
SOUTH FACING REEFS............1 TO 3 FEET.
WEST FACING REEFS............AROUND 1 FOOT.
SWELL/PERIOD
PRIMARY SWELL................EAST AT AROUND 3 FEET.
PRIMARY PERIOD...............8 SECONDS.
WINDS...............EAST AT AROUND 10 MPH.
WEDNESDAY
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............1 TO 3 FEET.
EAST FACING REEFS............3 TO 5 FEET.
SOUTH FACING REEFS............1 TO 3 FEET.
WEST FACING REEFS............AROUND 1 FOOT.
SWELL/PERIOD
PRIMARY SWELL................EAST AT AROUND 3 FEET.
PRIMARY PERIOD...............8 SECONDS.
MAX HEAT INDEX.........AROUND 101.
WINDS...............EAST AT AROUND 10 MPH.
TIDE INFORMATION FOR THE NEXT 36 HOURS...
AT APRA HARBOR, GUAM...
HIGH TIDE 2.4 FEET AT 6:33 AM TUESDAY
LOW TIDE -0.1 FEET AT 2:05 PM TUESDAY
HIGH TIDE 2.4 FEET AT 9:34 PM TUESDAY
LOW TIDE 1.9 FEET AT 2:43 AM WEDNESDAY
HIGH TIDE 2.4 FEET AT 7:12 AM WEDNESDAY
LOW TIDE -0.1 FEET AT 2:41 PM WEDNESDAY
HIGH TIDE 2.4 FEET AT 10:06 PM WEDNESDAY
AT ROTA ISLAND...
HIGH TIDE 2.2 FEET AT 6:30 AM TUESDAY
LOW TIDE -0.1 FEET AT 1:59 PM TUESDAY
HIGH TIDE 2.3 FEET AT 9:31 PM TUESDAY
LOW TIDE 1.7 FEET AT 2:37 AM WEDNESDAY
HIGH TIDE 2.3 FEET AT 7:09 AM WEDNESDAY
LOW TIDE -0.1 FEET AT 2:35 PM WEDNESDAY
HIGH TIDE 2.3 FEET AT 10:03 PM WEDNESDAY
AT TINIAN ISLAND...
HIGH TIDE 1.8 FEET AT 6:31 AM TUESDAY
LOW TIDE 0.0 FEET AT 1:42 PM TUESDAY
HIGH TIDE 1.8 FEET AT 9:32 PM TUESDAY
LOW TIDE 0.6 FEET AT 2:20 AM WEDNESDAY
HIGH TIDE 1.8 FEET AT 7:10 AM WEDNESDAY
LOW TIDE 0.0 FEET AT 2:18 PM WEDNESDAY
HIGH TIDE 1.8 FEET AT 10:04 PM WEDNESDAY
AT TANAPAG HARBOR, SAIPAN...
HIGH TIDE 2.1 FEET AT 6:03 AM TUESDAY
LOW TIDE -0.3 FEET AT 2:15 PM TUESDAY
HIGH TIDE 2.1 FEET AT 10:13 PM TUESDAY
LOW TIDE 1.8 FEET AT 2:51 AM WEDNESDAY
HIGH TIDE 2.0 FEET AT 6:46 AM WEDNESDAY
LOW TIDE -0.3 FEET AT 2:51 PM WEDNESDAY
HIGH TIDE 2.1 FEET AT 10:46 PM WEDNESDAY
* 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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