760
FZPQ50 PGUM 100634
SRFGUM
SURF ZONE FORECAST FOR THE MARIANA ISLANDS
NATIONAL WEATHER SERVICE TIYAN GU
434 PM CHST THU SEP 10 2026
DISCUSSION
A MODERATE RISK OF RIP CURRENTS IS EXPECTED TO BEGIN TONIGHT FOR
EAST-FACING REEFS AS A LONGER PERIOD HURRICANE SWELL FROM A DISTANT
TROPICAL SYSTEM NORTHWEST OF HAWAII MOVES INTO THE MARIANAS AND
LASTS THROUGH THE WEEKEND. WEST-FACING REEFS WILL DROP TO A LOW RISK
FOR RIP CURRENTS TONIGHT WITH NORTH AND SOUTH REMAINING LOW. NORTH
FACING REEFS MAY REACH MODERATE SOMETIME TOMORROW AS THERE IS A
SLIGHT NORTH COMPONENT TO THE ABOVE MENTIONED HURRICANE SWELL. A
MODERATE RISK OF LIGHTNING REMAINS THROUGH TONIGHT.
GUZ001-MPZ001>003-102200-
GUAM-ROTA-TINIAN-SAIPAN-
434 PM CHST THU SEP 10 2026
36 HOUR SURF ZONE FORECAST FOR THE MARIANAS FROM 600 PM THURSDAY
THROUGH 600 AM SATURDAY
TONIGHT
RIP CURRENT RISK.....LOW *.
SURF HEIGHT
NORTH FACING REEFS............3 TO 4 FEET.
EAST FACING REEFS............3 TO 5 FEET.
SOUTH FACING REEFS............1 TO 3 FEET.
WEST FACING REEFS............3 TO 4 FEET.
SWELL/PERIOD
PRIMARY SWELL................EAST AT AROUND 2 FEET.
PRIMARY PERIOD...............14 SECONDS.
SECONDARY SWELL..............WEST AT AROUND 2 FEET.
SECONDARY PERIOD.............8 SECONDS.
WATER TEMPERATURE
PAGO BUOY.......... 85 DEGREES.
WINDS...............NORTHEAST AT 5 TO 10 MPH.
FRIDAY
RIP CURRENT RISK.....LOW *.
SURF HEIGHT
NORTH FACING REEFS............3 TO 5 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 AROUND 3 FEET.
PRIMARY PERIOD...............14 SECONDS.
SECONDARY SWELL..............WEST AT AROUND 2 FEET.
SECONDARY PERIOD.............8 SECONDS.
MAX HEAT INDEX.........AROUND 104.
WINDS...............NORTHEAST AT 5 TO 10 MPH.
FRIDAY NIGHT
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............3 TO 5 FEET.
EAST FACING REEFS............5 TO 6 FEET.
SOUTH FACING REEFS............1 TO 3 FEET.
WEST FACING REEFS............2 TO 4 FEET.
SWELL/PERIOD
PRIMARY SWELL................EAST AT AROUND 3 FEET.
PRIMARY PERIOD...............13 SECONDS.
SECONDARY SWELL..............WEST AT AROUND 2 FEET.
SECONDARY PERIOD.............8 SECONDS.
WINDS...............LIGHT AND VARIABLE.
TIDE INFORMATION FOR THE NEXT 36 HOURS...
AT APRA HARBOR, GUAM...
HIGH TIDE 2.5 FEET AT 7:40 PM THURSDAY
LOW TIDE 1.0 FEET AT 1:31 AM FRIDAY
HIGH TIDE 2.6 FEET AT 7:06 AM FRIDAY
LOW TIDE 0.2 FEET AT 1:47 PM FRIDAY
HIGH TIDE 2.5 FEET AT 8:07 PM FRIDAY
LOW TIDE 0.8 FEET AT 2:13 AM SATURDAY
HIGH TIDE 2.5 FEET AT 7:58 AM SATURDAY
AT ROTA ISLAND...
HIGH TIDE 2.4 FEET AT 7:37 PM THURSDAY
LOW TIDE 0.9 FEET AT 1:25 AM FRIDAY
HIGH TIDE 2.4 FEET AT 7:03 AM FRIDAY
LOW TIDE 0.2 FEET AT 1:41 PM FRIDAY
HIGH TIDE 2.4 FEET AT 8:04 PM FRIDAY
LOW TIDE 0.7 FEET AT 2:07 AM SATURDAY
HIGH TIDE 2.4 FEET AT 7:55 AM SATURDAY
AT TINIAN ISLAND...
HIGH TIDE 1.9 FEET AT 7:38 PM THURSDAY
LOW TIDE 0.3 FEET AT 1:08 AM FRIDAY
HIGH TIDE 1.9 FEET AT 7:04 AM FRIDAY
LOW TIDE 0.1 FEET AT 1:24 PM FRIDAY
HIGH TIDE 1.9 FEET AT 8:05 PM FRIDAY
LOW TIDE 0.2 FEET AT 1:50 AM SATURDAY
HIGH TIDE 1.9 FEET AT 7:56 AM SATURDAY
AT TANAPAG HARBOR, SAIPAN...
HIGH TIDE 2.2 FEET AT 7:52 PM THURSDAY
LOW TIDE 0.9 FEET AT 1:33 AM FRIDAY
HIGH TIDE 2.2 FEET AT 7:15 AM FRIDAY
LOW TIDE 0.1 FEET AT 1:54 PM FRIDAY
HIGH TIDE 2.2 FEET AT 8:20 PM FRIDAY
LOW TIDE 0.7 FEET AT 2:19 AM SATURDAY
HIGH TIDE 2.2 FEET AT 8:12 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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