682
FZPQ50 PGUM 080800
SRFGUM
SURF ZONE FORECAST FOR THE MARIANA ISLANDS
NATIONAL WEATHER SERVICE TIYAN GU
600 PM CHST WED JUL 8 2026
DISCUSSION
SUPER TYPHOON BAVI WILL CONTINUE TO LEAVE AN ELEVATED WEST AND
SECONDARY SOUTHWEST SWELL IN ITS WAKE AS IT CONTINUES MOVING NW AWAY
FROM THE MARIANAS. SURF HEIGHTS HAVE DROPPED BELOW WARNING CRITERIA,
SO A HIGH SURF ADVISORY HAS BEEN ISSUED FOR WEST AND SOUTH FACING
REEFS. THERE IS A HIGH RISK OF RIP CURRENTS ALONG WEST AND SOUTH
FACING REEFS, AND A LOW RISK OF LIGHTNING AT LEAST THROUGH THURSDAY
NIGHT.
GUZ001-MPZ001>003-082300-
GUAM-ROTA-TINIAN-SAIPAN-
600 PM CHST WED JUL 8 2026
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH FRIDAY AFTERNOON
FOR NORTH, WEST, AND SOUTH FACING REEFS...
..HIGH SURF WARNING HAS BEEN REPLACED BY HIGH SURF ADVISORY
...HIGH SURF ADVISORY IN EFFECT UNTIL 4 PM CHST THURSDAY FOR WEST AND
SOUTH FACING REEFS...
..COASTAL FLOOD ADVISORY HAS EXPIRED
36 HOUR SURF ZONE FORECAST FOR THE MARIANAS FROM 600 PM WEDNESDAY
THROUGH 600 AM FRIDAY
TONIGHT
RIP CURRENT RISK.....HIGH.
SURF HEIGHT
NORTH FACING REEFS............6 TO 9 FEET.
EAST FACING REEFS............4 TO 6 FEET.
SOUTH FACING REEFS............8 TO 11 FEET.
WEST FACING REEFS............10 TO 13 FEET.
SWELL/PERIOD
PRIMARY SWELL................WEST AT AROUND 9 FEET.
PRIMARY PERIOD...............11 SECONDS.
SECONDARY SWELL..............SOUTHWEST AT AROUND 5 FEET.
SECONDARY PERIOD.............9 SECONDS.
WATER TEMPERATURE
TANAPAG BUOY.......... 82 DEGREES.
WINDS...............SOUTH AT 10 TO 15 MPH BECOMING LIGHT AND
VARIABLE.
THURSDAY
RIP CURRENT RISK.....HIGH *.
SURF HEIGHT
NORTH FACING REEFS............5 TO 8 FEET.
EAST FACING REEFS............4 TO 6 FEET.
SOUTH FACING REEFS............7 TO 10 FEET.
WEST FACING REEFS............9 TO 12 FEET.
SWELL/PERIOD
PRIMARY SWELL................WEST AT AROUND 9 FEET.
PRIMARY PERIOD...............11 SECONDS.
SECONDARY SWELL..............SOUTHWEST AT AROUND 4 FEET.
SECONDARY PERIOD.............9 SECONDS.
MAX HEAT INDEX.........AROUND 100.
WINDS...............LIGHT AND VARIABLE.
THURSDAY NIGHT
RIP CURRENT RISK.....HIGH *.
SURF HEIGHT
NORTH FACING REEFS............4 TO 6 FEET.
EAST FACING REEFS............3 TO 5 FEET.
SOUTH FACING REEFS............6 TO 9 FEET.
WEST FACING REEFS............8 TO 10 FEET.
SWELL/PERIOD
PRIMARY SWELL................WEST AT AROUND 8 FEET.
PRIMARY PERIOD...............11 SECONDS.
SECONDARY SWELL..............SOUTHWEST AT AROUND 3 FEET.
SECONDARY PERIOD.............9 SECONDS.
WINDS...............LIGHT AND VARIABLE BECOMING NORTHEAST AROUND 10
MPH AFTER MIDNIGHT.
TIDE INFORMATION FOR THE NEXT 36 HOURS...
AT APRA HARBOR, GUAM...
LOW TIDE 1.2 FEET AT 7:18 PM WEDNESDAY
HIGH TIDE 2.6 FEET AT 1:37 AM THURSDAY
LOW TIDE 0.5 FEET AT 8:54 AM THURSDAY
HIGH TIDE 2.1 FEET AT 3:36 PM THURSDAY
LOW TIDE 1.5 FEET AT 8:20 PM THURSDAY
HIGH TIDE 2.7 FEET AT 2:17 AM FRIDAY
AT ROTA ISLAND...
LOW TIDE 1.2 FEET AT 7:12 PM WEDNESDAY
HIGH TIDE 2.5 FEET AT 1:34 AM THURSDAY
LOW TIDE 0.5 FEET AT 8:48 AM THURSDAY
HIGH TIDE 1.9 FEET AT 3:33 PM THURSDAY
LOW TIDE 1.5 FEET AT 8:14 PM THURSDAY
HIGH TIDE 2.5 FEET AT 2:14 AM FRIDAY
AT TINIAN ISLAND...
LOW TIDE 0.4 FEET AT 6:55 PM WEDNESDAY
HIGH TIDE 2.0 FEET AT 1:35 AM THURSDAY
LOW TIDE 0.2 FEET AT 8:31 AM THURSDAY
HIGH TIDE 1.5 FEET AT 3:34 PM THURSDAY
LOW TIDE 0.5 FEET AT 7:57 PM THURSDAY
HIGH TIDE 2.0 FEET AT 2:15 AM FRIDAY
AT TANAPAG HARBOR, SAIPAN...
LOW TIDE 0.9 FEET AT 7:15 PM WEDNESDAY
HIGH TIDE 2.3 FEET AT 1:40 AM THURSDAY
LOW TIDE 0.2 FEET AT 9:11 AM THURSDAY
HIGH TIDE 1.6 FEET AT 4:03 PM THURSDAY
LOW TIDE 1.2 FEET AT 8:11 PM THURSDAY
HIGH TIDE 2.3 FEET AT 2:10 AM FRIDAY
* 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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