606
FZPQ50 PGUM 230634 AAA
SRFGUM
SURF ZONE FORECAST FOR THE MARIANA ISLANDS...UPDATED
NATIONAL WEATHER SERVICE TIYAN GU
434 PM CHST WED SEP 23 2026
..UPDATED TO INCLUDE RIP RISK FOR WEST AND NOT EAST-FACING REEFS
DISCUSSION
THERE WILL BE A MODERATE RISK OF RIP CURRENTS ALONG
NORTH AND WEST FACING REEFS THROUGH FRIDAY NIGHT AS A DOMINANT
NORTH-NORTHWEST SWELL REMAINS, ALONG WITH A SMALL NORTHEAST SWELL,
AND A DIMINISHING SOUTHWEST WIND SWELL. THERE WILL ALSO BE A MODERATE
RISK OF LIGHTNING WEDNESDAY THROUGH THE WEEKEND.
GUZ001-MPZ001>003-232145-
GUAM-ROTA-TINIAN-SAIPAN-
434 PM CHST WED SEP 23 2026
36 HOUR SURF ZONE FORECAST FOR THE MARIANAS FROM 600 PM WEDNESDAY
THROUGH 600 AM FRIDAY
TONIGHT
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............4 TO 6 FEET.
EAST FACING REEFS............2 TO 3 FEET.
SOUTH FACING REEFS............2 TO 4 FEET.
WEST FACING REEFS............3 TO 5 FEET.
SWELL/PERIOD
PRIMARY SWELL................NORTH AT 3 TO 4 FEET.
PRIMARY PERIOD...............8 SECONDS.
SECONDARY SWELL..............NORTHEAST AT AROUND 2 FEET.
SECONDARY PERIOD.............9 SECONDS.
WATER TEMPERATURE
PAGO BUOY..........86 DEGREES.
WINDS...............SOUTHWEST AT 10 MPH IN THE EVENING BECOMING
LIGHT.
THURSDAY
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............4 TO 5 FEET.
EAST FACING REEFS............2 TO 3 FEET.
SOUTH FACING REEFS............2 TO 3 FEET.
WEST FACING REEFS............2 TO 4 FEET.
SWELL/PERIOD
PRIMARY SWELL................NORTH AT 3 TO 4 FEET.
PRIMARY PERIOD...............8 SECONDS.
SECONDARY SWELL..............NORTHEAST AT AROUND 2 FEET.
SECONDARY PERIOD.............9 SECONDS.
MAX HEAT INDEX.........AROUND 103.
WINDS...............WEST AT 10 MPH.
THURSDAY NIGHT
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............3 TO 5 FEET.
EAST FACING REEFS............2 TO 3 FEET.
SOUTH FACING REEFS............2 TO 3 FEET.
WEST FACING REEFS............2 TO 4 FEET.
SWELL/PERIOD
PRIMARY SWELL................NORTHEAST AT 2 TO 3 FEET.
PRIMARY PERIOD...............8 SECONDS.
SECONDARY SWELL..............WEST AT AROUND 2 FEET.
SECONDARY PERIOD.............9 SECONDS.
WINDS...............WEST AT AROUND 10 MPH.
TIDE INFORMATION FOR THE NEXT 36 HOURS...
AT APRA HARBOR, GUAM...
HIGH TIDE 2.2 FEET AT 6:24 PM WEDNESDAY
LOW TIDE 1.2 FEET AT 12:03 AM THURSDAY
HIGH TIDE 2.1 FEET AT 5:21 AM THURSDAY
LOW TIDE 0.2 FEET AT 12:00 PM THURSDAY
HIGH TIDE 2.3 FEET AT 6:46 PM THURSDAY
LOW TIDE 1.0 FEET AT 12:35 AM FRIDAY
AT ROTA ISLAND...
HIGH TIDE 2.1 FEET AT 6:21 PM WEDNESDAY
LOW TIDE 1.2 FEET AT 11:57 PM WEDNESDAY
HIGH TIDE 2.0 FEET AT 5:18 AM THURSDAY
LOW TIDE 0.2 FEET AT 11:54 AM THURSDAY
HIGH TIDE 2.2 FEET AT 6:43 PM THURSDAY
LOW TIDE 1.0 FEET AT 12:29 AM FRIDAY
AT TINIAN ISLAND...
HIGH TIDE 1.6 FEET AT 6:22 PM WEDNESDAY
LOW TIDE 0.4 FEET AT 11:40 PM WEDNESDAY
HIGH TIDE 1.6 FEET AT 5:19 AM THURSDAY
LOW TIDE 0.1 FEET AT 11:37 AM THURSDAY
HIGH TIDE 1.7 FEET AT 6:44 PM THURSDAY
LOW TIDE 0.3 FEET AT 12:12 AM FRIDAY
AT TANAPAG HARBOR, SAIPAN...
HIGH TIDE 2.0 FEET AT 6:37 PM WEDNESDAY
LOW TIDE 1.2 FEET AT 11:50 PM WEDNESDAY
HIGH TIDE 1.9 FEET AT 5:22 AM THURSDAY
LOW TIDE 0.2 FEET AT 12:00 PM THURSDAY
HIGH TIDE 2.0 FEET AT 6:59 PM THURSDAY
LOW TIDE 1.0 FEET AT 12:28 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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