253
FZPQ50 PGUM 220707
SRFGUM
SURF ZONE FORECAST FOR THE MARIANA ISLANDS
NATIONAL WEATHER SERVICE TIYAN GU
507 PM CHST MON JUN 22 2026
DISCUSSION
THERE IS A MODERATE RISK OF RIP CURRENTS ALONG EAST-FACING REEFS AND
A MODERATE RISK OF LIGHTNING FOR ALL ISLANDS AT LEAST THROUGH
TUESDAY NIGHT. INVEST 94W WILL BRING A POTENTIAL FOR HEAVY RAINFALL
AND GUSTY WINDS THROUGH TUESDAY NIGHT.
GUZ001-MPZ001>003-222215-
GUAM-ROTA-TINIAN-SAIPAN-
507 PM CHST MON JUN 22 2026
...POTENTIAL FOR HEAVIER SHOWERS AND GUSTY WINDS THROUGH TUESDAY
NIGHT...
36 HOUR SURF ZONE FORECAST FOR THE MARIANAS FROM 600 PM MONDAY
THROUGH 600 AM WEDNESDAY
TONIGHT
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............1 TO 3 FEET.
EAST FACING REEFS............3 TO 5 FEET.
SOUTH FACING REEFS............2 TO 4 FEET.
WEST FACING REEFS............1 TO 3 FEET.
SWELL/PERIOD
PRIMARY SWELL................EAST AT 3 FEET.
PRIMARY PERIOD...............8 SECONDS.
SECONDARY SWELL..............SOUTHWEST AT 2 FEET.
SECONDARY PERIOD.............10 SECONDS.
WATER TEMPERATURE
TANAPAG BUOY..........87 DEGREES.
WINDS...............NORTH AT 10 TO 15 MPH.
TUESDAY
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............2 TO 3 FEET.
EAST FACING REEFS............4 TO 6 FEET.
SOUTH FACING REEFS............2 TO 4 FEET.
WEST FACING REEFS............1 TO 3 FEET.
SWELL/PERIOD
PRIMARY SWELL................EAST AT 3 TO 4 FEET.
PRIMARY PERIOD...............8 SECONDS.
SECONDARY SWELL..............SOUTHWEST AT 2 FEET.
SECONDARY PERIOD.............10 SECONDS.
MAX HEAT INDEX.........AROUND 100.
WINDS...............NORTH AT 10 TO 15 MPH.
TUESDAY NIGHT
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............2 TO 3 FEET.
EAST FACING REEFS............4 TO 6 FEET.
SOUTH FACING REEFS............1 TO 3 FEET.
WEST FACING REEFS............2 TO 4 FEET.
SWELL/PERIOD
PRIMARY SWELL................EAST AT 3 TO 4 FEET.
PRIMARY PERIOD...............8 SECONDS.
SECONDARY SWELL..............WEST AT AROUND 2 FEET.
SECONDARY PERIOD.............10 SECONDS.
WINDS...............EAST AT 10 TO 15 MPH.
TIDE INFORMATION FOR THE NEXT 36 HOURS...
AT APRA HARBOR, GUAM...
LOW TIDE 1.0 FEET AT 7:35 PM MONDAY
HIGH TIDE 2.6 FEET AT 2:19 AM TUESDAY
LOW TIDE 0.9 FEET AT 9:18 AM TUESDAY
HIGH TIDE 1.9 FEET AT 3:24 PM TUESDAY
LOW TIDE 1.3 FEET AT 8:28 PM TUESDAY
HIGH TIDE 2.5 FEET AT 2:51 AM WEDNESDAY
AT ROTA ISLAND...
LOW TIDE 0.9 FEET AT 7:29 PM MONDAY
HIGH TIDE 2.4 FEET AT 2:16 AM TUESDAY
LOW TIDE 0.8 FEET AT 9:12 AM TUESDAY
HIGH TIDE 1.8 FEET AT 3:21 PM TUESDAY
LOW TIDE 1.2 FEET AT 8:22 PM TUESDAY
HIGH TIDE 2.4 FEET AT 2:48 AM WEDNESDAY
AT TINIAN ISLAND...
LOW TIDE 0.3 FEET AT 7:12 PM MONDAY
HIGH TIDE 1.9 FEET AT 2:17 AM TUESDAY
LOW TIDE 0.3 FEET AT 8:55 AM TUESDAY
HIGH TIDE 1.4 FEET AT 3:22 PM TUESDAY
LOW TIDE 0.4 FEET AT 8:05 PM TUESDAY
HIGH TIDE 1.9 FEET AT 2:49 AM WEDNESDAY
AT TANAPAG HARBOR, SAIPAN...
LOW TIDE 0.7 FEET AT 7:38 PM MONDAY
HIGH TIDE 2.2 FEET AT 2:23 AM TUESDAY
LOW TIDE 0.5 FEET AT 9:36 AM TUESDAY
HIGH TIDE 1.5 FEET AT 3:47 PM TUESDAY
LOW TIDE 1.1 FEET AT 8:24 PM TUESDAY
HIGH TIDE 2.2 FEET AT 2:52 AM 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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