829
FZPQ50 PGUM 090812 CCA
SRFGUM
SURF ZONE FORECAST FOR THE MARIANA ISLANDS...CORRECTED
NATIONAL WEATHER SERVICE TIYAN GU
612 PM CHST THU JUL 9 2026
CORRECTED TO INCREASE SURF ALONG NORTH FACING REEFS, AND INCLUDE
THEM WITHIN THE HIGH SURF ADVISORY AND HIGH RIP CURRENT RISK.
DISCUSSION
SIGNIFICANT WEST TO SOUTHWEST SWELLS CONTINUE TO
EMANATE FROM DISTANT TYPHOON BAVI (09W) AND ITS TRAILING MONSOON
PATTERN, MAINTAINING HAZARDOUS SURF AND A HIGH RISK OF RIP CURRENTS
ALONG WEST AND NORTH FACING REEFS. SO, THE HIGH SURF ADVISORY AND
HIGH RIP CURRENT RISK HAVE BEEN EXTENDED THROUGH FRIDAY AFTERNOON. AS
BAVI CONTINUES TO PULL AWAY AND THE LEADING MONSOON SURGE WEAKENS,
SWELLS AND ASSOCIATED SURF WILL CONTINUE TO DIMINISH, POTENTIALLY
FALLING BELOW HAZARDOUS LEVELS BY FRIDAY NIGHT. MEANWHILE, A MODERATE
RISK OF RIP CURRENTS CONTINUES ALONG NORTH AND EAST FACING REEFS.
GUZ001-MPZ001>003-092230-
GUAM-ROTA-TINIAN-SAIPAN-
612 PM CHST THU JUL 9 2026
...HIGH SURF ADVISORY IN EFFECT UNTIL 4 PM CHST FRIDAY ALONG NORTH,
SOUTH, AND WEST FACING REEFS...
...HIGH RISK OF RIP CURRENTS THROUGH FRIDAY AFTERNOON ALONG NORTH,
SOUTH, AND WEST FACING REEFS...
36 HOUR SURF ZONE FORECAST FOR THE MARIANAS FROM 600 PM THURSDAY
THROUGH 600 AM SATURDAY
TONIGHT
RIP CURRENT RISK.....HIGH *.
SURF HEIGHT
NORTH FACING REEFS............9 TO 12 FEET.
EAST FACING REEFS............3 TO 5 FEET.
SOUTH FACING REEFS............8 TO 11 FEET.
WEST FACING REEFS............9 TO 12 FEET.
SWELL/PERIOD
PRIMARY SWELL................WEST AT 7 TO 9 FEET.
PRIMARY PERIOD...............11 SECONDS.
SECONDARY SWELL..............SOUTHWEST AT AROUND 3 FEET.
SECONDARY PERIOD.............9 SECONDS.
WATER TEMPERATURE
TANAPAG BUOY..........85 DEGREES.
WINDS...............NORTHEAST AT AROUND 10 MPH.
FRIDAY
RIP CURRENT RISK.....HIGH *.
SURF HEIGHT
NORTH FACING REEFS............7 TO 10 FEET.
EAST FACING REEFS............3 TO 5 FEET.
SOUTH FACING REEFS............7 TO 9 FEET.
WEST FACING REEFS............7 TO 10 FEET.
SWELL/PERIOD
PRIMARY SWELL................WEST AT 6 TO 9 FEET.
PRIMARY PERIOD...............11 SECONDS.
SECONDARY SWELL..............EAST AT AROUND 3 FEET.
SECONDARY PERIOD.............9 SECONDS.
MAX HEAT INDEX.........AROUND 101.
WINDS...............NORTHEAST AT 10 TO 15 MPH.
FRIDAY NIGHT
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............6 TO 8 FEET.
EAST FACING REEFS............3 TO 5 FEET.
SOUTH FACING REEFS............5 TO 8 FEET.
WEST FACING REEFS............6 TO 8 FEET.
SWELL/PERIOD
PRIMARY SWELL................WEST AT 6 TO 8 FEET.
PRIMARY PERIOD...............11 SECONDS.
SECONDARY SWELL..............EAST AT AROUND 2 FEET.
SECONDARY PERIOD.............9 SECONDS.
WINDS...............NORTHEAST AT 10 TO 15 MPH.
TIDE INFORMATION FOR THE NEXT 36 HOURS...
AT APRA HARBOR, GUAM...
LOW TIDE 1.5 FEET AT 8:20 PM THURSDAY
HIGH TIDE 2.7 FEET AT 2:17 AM FRIDAY
LOW TIDE 0.2 FEET AT 9:50 AM FRIDAY
HIGH TIDE 2.2 FEET AT 5:12 PM FRIDAY
LOW TIDE 1.8 FEET AT 9:32 PM FRIDAY
HIGH TIDE 2.7 FEET AT 3:05 AM SATURDAY
LOW TIDE -0.1 FEET AT 10:47 AM SATURDAY
AT ROTA ISLAND...
LOW TIDE 1.5 FEET AT 8:14 PM THURSDAY
HIGH TIDE 2.5 FEET AT 2:14 AM FRIDAY
LOW TIDE 0.2 FEET AT 9:44 AM FRIDAY
HIGH TIDE 2.1 FEET AT 5:09 PM FRIDAY
LOW TIDE 1.7 FEET AT 9:26 PM FRIDAY
HIGH TIDE 2.5 FEET AT 3:02 AM SATURDAY
LOW TIDE -0.1 FEET AT 10:41 AM SATURDAY
AT TINIAN ISLAND...
LOW TIDE 0.5 FEET AT 7:57 PM THURSDAY
HIGH TIDE 2.0 FEET AT 2:15 AM FRIDAY
LOW TIDE 0.1 FEET AT 9:27 AM FRIDAY
HIGH TIDE 1.6 FEET AT 5:10 PM FRIDAY
LOW TIDE 0.6 FEET AT 9:09 PM FRIDAY
HIGH TIDE 2.0 FEET AT 3:03 AM SATURDAY
LOW TIDE 0.0 FEET AT 10:24 AM SATURDAY
AT TANAPAG HARBOR, SAIPAN...
LOW TIDE 1.2 FEET AT 8:11 PM THURSDAY
HIGH TIDE 2.3 FEET AT 2:10 AM FRIDAY
LOW TIDE -0.1 FEET AT 10:02 AM FRIDAY
HIGH TIDE 1.8 FEET AT 5:39 PM FRIDAY
LOW TIDE 1.5 FEET AT 9:20 PM FRIDAY
HIGH TIDE 2.4 FEET AT 2:49 AM SATURDAY
LOW TIDE -0.4 FEET AT 10:53 AM SATURDAY
* 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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