683
FZPQ50 PGUM 062022 AAA
SRFGUM
SURF ZONE FORECAST FOR THE MARIANA ISLANDS...UPDATED
NATIONAL WEATHER SERVICE TIYAN GU
622 AM CHST TUE JUL 7 2026
UPDATED DUE TO THE TYPHOON WARNING CANCELLATION.
DISCUSSION
SUPER TYPHOON BAVI (09W) AND THE TRAILING MONSOON SURGE WILL
CONTINUE TO PRODUCE SIGNIFICANT SWELLS TOWARDS THE MARIANAS.
DANGEROUS SURF HEIGHTS OF UP TO 20 FT AND COASTAL INUNDATION OF 1 TO
3 FT CAN BE EXPECTED THROUGH AT LEAST THIS AFTERNOON, ESPECIALLY
ALONG WEST- AND SOUTH-FACING SHORES. THEN, SURF WILL GRADUALLY
DIMINISH AS BAVI MOVES FARTHER AWAY, WHICH MAY WARRANT THE HIGH SURF
WARNING TO BE DOWNGRADED TO AN ADVISORY THIS AFTERNOON.
GUZ001-MPZ001>003-071000-
GUAM-ROTA-TINIAN-SAIPAN-
622 AM CHST TUE JUL 7 2026
..HIGH SURF WARNING IN EFFECT UNTIL 4 PM CHST THURSDAY
..COASTAL FLOOD ADVISORY IN EFFECT UNTIL 6 AM CHST WEDNESDAY
36 HOUR SURF ZONE FORECAST FOR THE MARIANAS FROM 526 AM TUESDAY
THROUGH 600 PM WEDNESDAY
REST OF TODAY
RIP CURRENT RISK.....HIGH. HUGE WAVES WILL PRODUCE DEADLY RIP
CURRENTS. STAY OUT OF THE WATER.
SURF HEIGHT
NORTH FACING REEFS............8 TO 11 FEET.
EAST FACING REEFS............8 TO 11 FEET.
SOUTH FACING REEFS............12 TO 18 FEET.
WEST FACING REEFS............16 TO 20 FEET.
SWELL/PERIOD
PRIMARY SWELL................WEST AT 10 TO 14 FEET.
PRIMARY PERIOD...............11 SECONDS.
SECONDARY SWELL..............SOUTH AT 6 TO 8 FEET.
SECONDARY PERIOD.............9 SECONDS.
WATER TEMPERATURE
TANAPAG BUOY..........83 DEGREES.
MAX HEAT INDEX.........AROUND 99.
WINDS...............WINDY. SOUTH TO SOUTHWEST WINDS 20 TO 30 MPH
WITH GUSTS UP TO 50 MPH, DECREASING TO 15 TO
25 MPH IN THE AFTERNOON.
TONIGHT
RIP CURRENT RISK.....HIGH. POUNDING SURF WILL PRODUCE LIFE
THREATENING RIP CURRENTS AT REEFS AND BEACHES.
SURF HEIGHT
NORTH FACING REEFS............7 TO 9 FEET.
EAST FACING REEFS............7 TO 9 FEET.
SOUTH FACING REEFS............10 TO 12 FEET.
WEST FACING REEFS............12 TO 16 FEET.
SWELL/PERIOD
PRIMARY SWELL................WEST AT 9 TO 13 FEET.
PRIMARY PERIOD...............9 SECONDS.
SECONDARY SWELL..............SOUTH AT AROUND 7 FEET.
SECONDARY PERIOD.............9 SECONDS.
WINDS...............BREEZY. SOUTH AT 15 TO 25 MPH.
WEDNESDAY
RIP CURRENT RISK.....HIGH. POUNDING SURF WILL PRODUCE LIFE
THREATENING RIP CURRENTS AT REEFS AND BEACHES.
SURF HEIGHT
NORTH FACING REEFS............4 TO 6 FEET.
EAST FACING REEFS............5 TO 7 FEET.
SOUTH FACING REEFS............8 TO 10 FEET.
WEST FACING REEFS............10 TO 12 FEET.
SWELL/PERIOD
PRIMARY SWELL................WEST AT 6 TO 7 FEET.
PRIMARY PERIOD...............9 SECONDS.
SECONDARY SWELL..............SOUTHWEST AT 6 TO 8 FEET.
SECONDARY PERIOD.............9 SECONDS.
MAX HEAT INDEX.........AROUND 99.
WINDS...............SOUTH AT 15 TO 20 MPH.
TIDE INFORMATION FOR THE NEXT 36 HOURS...
AT APRA HARBOR, GUAM...
LOW TIDE 1.2 FEET AT 7:06 AM TUESDAY
HIGH TIDE 2.0 FEET AT 12:21 PM TUESDAY
LOW TIDE 0.9 FEET AT 6:27 PM TUESDAY
HIGH TIDE 2.6 FEET AT 1:03 AM WEDNESDAY
LOW TIDE 0.9 FEET AT 7:59 AM WEDNESDAY
HIGH TIDE 2.0 FEET AT 1:52 PM WEDNESDAY
LOW TIDE 1.2 FEET AT 7:18 PM WEDNESDAY
AT ROTA ISLAND...
LOW TIDE 1.1 FEET AT 7:00 AM TUESDAY
HIGH TIDE 1.9 FEET AT 12:18 PM TUESDAY
LOW TIDE 0.9 FEET AT 6:21 PM TUESDAY
HIGH TIDE 2.5 FEET AT 1:00 AM WEDNESDAY
LOW TIDE 0.8 FEET AT 7:53 AM WEDNESDAY
HIGH TIDE 1.9 FEET AT 1:49 PM WEDNESDAY
LOW TIDE 1.2 FEET AT 7:12 PM WEDNESDAY
AT TINIAN ISLAND...
LOW TIDE 0.4 FEET AT 6:43 AM TUESDAY
HIGH TIDE 1.5 FEET AT 12:19 PM TUESDAY
LOW TIDE 0.3 FEET AT 6:04 PM TUESDAY
HIGH TIDE 1.9 FEET AT 1:01 AM WEDNESDAY
LOW TIDE 0.3 FEET AT 7:36 AM WEDNESDAY
HIGH TIDE 1.5 FEET AT 1:50 PM WEDNESDAY
LOW TIDE 0.4 FEET AT 6:55 PM WEDNESDAY
AT TANAPAG HARBOR, SAIPAN...
LOW TIDE 0.9 FEET AT 7:31 AM TUESDAY
HIGH TIDE 1.5 FEET AT 12:31 PM TUESDAY
LOW TIDE 0.6 FEET AT 6:29 PM TUESDAY
HIGH TIDE 2.3 FEET AT 1:15 AM WEDNESDAY
LOW TIDE 0.6 FEET AT 8:20 AM WEDNESDAY
HIGH TIDE 1.5 FEET AT 2:01 PM WEDNESDAY
LOW TIDE 0.9 FEET AT 7:15 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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