575
FZPQ50 PGUM 300706
SRFGUM
SURF ZONE FORECAST FOR THE MARIANA ISLANDS
NATIONAL WEATHER SERVICE TIYAN GU
506 PM CHST MON JUN 30 2025
DISCUSSION
THERE IS A MODERATE RISK OF RIP CURRENTS ALONG
EAST FACING REEFS, A LOW RISK ALONG NORTH, SOUTH, AND WEST
FACING REEFS. THERE IS ALSO A MODERATE RISK OF LIGHTNING FOR
THE NEXT FEW DAYS. SURF MAY BUILD BY A FOOT OR TWO BY THE
WEEKEND AS A SOUTHWESTERLY SWELL BUILDS IN.
GUZ001-MPZ001>003-302215-
GUAM-ROTA-TINIAN-SAIPAN-
506 PM CHST MON JUN 30 2025
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 TO 4 FEET.
PRIMARY PERIOD...............8 SECONDS.
WATER TEMPERATURE
RITIDIAN BUOY.......... 86 DEGREES.
WINDS...............SOUTH AT 10 TO 20 MPH.
TUESDAY
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............1 TO 3 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................SOUTHEAST AT 3 TO 4 FEET.
PRIMARY PERIOD...............8 SECONDS.
MAX HEAT INDEX.........AROUND 97.
WINDS...............SOUTH AT 10 TO 20 MPH.
TUESDAY NIGHT
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............2 TO 4 FEET.
SWELL/PERIOD
PRIMARY SWELL................SOUTHEAST AT 3 TO 4 FEET.
PRIMARY PERIOD...............8 SECONDS.
WINDS...............SOUTH AT 10 TO 20 MPH.
TIDE INFORMATION FOR THE NEXT 36 HOURS...
AT APRA HARBOR, GUAM...
HIGH TIDE 2.5 FEET AT 12:38 AM TUESDAY
LOW TIDE 1.5 FEET AT 6:36 AM TUESDAY
HIGH TIDE 2.1 FEET AT 11:13 AM TUESDAY
LOW TIDE 0.6 FEET AT 6:04 PM TUESDAY
HIGH TIDE 2.5 FEET AT 1:09 AM WEDNESDAY
LOW TIDE 1.3 FEET AT 7:32 AM WEDNESDAY
AT ROTA ISLAND...
HIGH TIDE 2.4 FEET AT 12:35 AM TUESDAY
LOW TIDE 1.4 FEET AT 6:30 AM TUESDAY
HIGH TIDE 2.0 FEET AT 11:10 AM TUESDAY
LOW TIDE 0.6 FEET AT 5:58 PM TUESDAY
HIGH TIDE 2.4 FEET AT 1:06 AM WEDNESDAY
LOW TIDE 1.2 FEET AT 7:26 AM WEDNESDAY
AT TINIAN ISLAND...
HIGH TIDE 1.7 FEET AT 12:24 AM TUESDAY
LOW TIDE 1.1 FEET AT 6:22 AM TUESDAY
HIGH TIDE 1.3 FEET AT 10:28 AM TUESDAY
LOW TIDE 0.3 FEET AT 5:33 PM TUESDAY
HIGH TIDE 1.7 FEET AT 12:48 AM WEDNESDAY
LOW TIDE 0.8 FEET AT 7:25 AM WEDNESDAY
AT TANAPAG HARBOR, SAIPAN...
HIGH TIDE 2.3 FEET AT 12:58 AM TUESDAY
LOW TIDE 1.2 FEET AT 7:13 AM TUESDAY
HIGH TIDE 1.6 FEET AT 11:33 AM TUESDAY
LOW TIDE 0.3 FEET AT 6:12 PM TUESDAY
HIGH TIDE 2.2 FEET AT 1:25 AM WEDNESDAY
LOW TIDE 1.0 FEET AT 8:04 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. IF CAUGHT IN A
RIP CURRENT, SWIM PARALLEL TO THE BEACH RATHER THAN AGAINST THE
CURRENT.
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