731
FZPQ50 PGUM 281823
SRFGUM
SURF ZONE FORECAST FOR THE MARIANA ISLANDS
NATIONAL WEATHER SERVICE TIYAN GU
423 AM CHST MON JUN 29 2026
DISCUSSION
THERE WILL BE A MODERATE RISK OF RIP CURRENTS ALONG
EAST FACING REEFS THROUGH AT LEAST FRIDAY. SURF COULD THEN BUILD OVER
THE WEEKEND. THERE WILL BE A MODERATE RISK OF LIGHTNING TODAY.
GUZ001-MPZ001>003-290930-
GUAM-ROTA-TINIAN-SAIPAN-
423 AM CHST MON JUN 29 2026
36 HOUR SURF ZONE FORECAST FOR THE MARIANAS FROM 600 AM MONDAY
THROUGH 600 PM TUESDAY
TODAY
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............2 TO 4 FEET.
EAST FACING REEFS............3 TO 5 FEET.
SOUTH FACING REEFS............2 TO 4 FEET.
WEST FACING REEFS............1 TO 2 FEET.
SWELL/PERIOD
PRIMARY SWELL................EAST AT AROUND 3 FEET.
PRIMARY PERIOD...............8 SECONDS.
SECONDARY SWELL..............WEST AT AROUND 1 FEET.
SECONDARY PERIOD.............9 SECONDS.
WATER TEMPERATURE
IPAN BUOY..........84 DEGREES.
MAX HEAT INDEX.........AROUND 101.
WINDS...............EAST AT 10 TO 15 MPH.
TONIGHT
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............2 TO 4 FEET.
EAST FACING REEFS............3 TO 5 FEET.
SOUTH FACING REEFS............2 TO 4 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.
TUESDAY
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............2 TO 4 FEET.
EAST FACING REEFS............3 TO 5 FEET.
SOUTH FACING REEFS............2 TO 4 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 5:54 AM MONDAY
LOW TIDE -0.1 FEET AT 1:28 PM MONDAY
HIGH TIDE 2.4 FEET AT 9:01 PM MONDAY
LOW TIDE 1.9 FEET AT 2:06 AM TUESDAY
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
AT ROTA ISLAND...
HIGH TIDE 2.2 FEET AT 5:51 AM MONDAY
LOW TIDE -0.1 FEET AT 1:22 PM MONDAY
HIGH TIDE 2.3 FEET AT 8:58 PM MONDAY
LOW TIDE 1.8 FEET AT 2:00 AM TUESDAY
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
AT TINIAN ISLAND...
HIGH TIDE 1.7 FEET AT 5:52 AM MONDAY
LOW TIDE 0.0 FEET AT 1:05 PM MONDAY
HIGH TIDE 1.8 FEET AT 8:59 PM MONDAY
LOW TIDE 0.6 FEET AT 1:43 AM TUESDAY
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
AT TANAPAG HARBOR, SAIPAN...
HIGH TIDE 2.1 FEET AT 5:23 AM MONDAY
LOW TIDE -0.3 FEET AT 1:37 PM MONDAY
HIGH TIDE 2.1 FEET AT 9:40 PM MONDAY
LOW TIDE 1.9 FEET AT 2:02 AM TUESDAY
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 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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