362
FZPQ50 PGUM 151843
SRFGUM
SURF ZONE FORECAST FOR THE MARIANA ISLANDS
NATIONAL WEATHER SERVICE TIYAN GU
443 AM CHST TUE SEP 16 2025
DISCUSSION
THERE WILL BE A LOW RISK OF RIP CURRENTS ALONG ALL
REEFS AND A MODERATE RISK OF LIGHTNING THROUGH THE WEEKEND.
GUZ001-MPZ001>003-160945-
GUAM-ROTA-TINIAN-SAIPAN-
443 AM CHST TUE SEP 16 2025
36 HOUR SURF ZONE FORECAST FOR THE MARIANAS FROM 600 AM TUESDAY
THROUGH 600 PM WEDNESDAY
TODAY
RIP CURRENT RISK.....LOW *.
SURF HEIGHT
NORTH FACING REEFS............2 TO 4 FEET.
EAST FACING REEFS............2 TO 4 FEET.
SOUTH FACING REEFS............1 TO 3 FEET.
WEST FACING REEFS............AROUND 1 FOOT.
SWELL/PERIOD
PRIMARY SWELL................EAST AT 2 TO 3 FEET.
PRIMARY PERIOD...............8 SECONDS.
WATER TEMPERATURE
RITIDIAN BUOY..........86 DEGREES.
MAX HEAT INDEX.........AROUND 100.
WINDS...............SOUTHEAST AT AROUND 10 MPH.
TONIGHT
RIP CURRENT RISK.....LOW *.
SURF HEIGHT
NORTH FACING REEFS............2 TO 4 FEET.
EAST FACING REEFS............2 TO 4 FEET.
SOUTH FACING REEFS............1 TO 3 FEET.
WEST FACING REEFS............AROUND 1 FOOT.
SWELL/PERIOD
PRIMARY SWELL................EAST AT 1 TO 3 FEET.
PRIMARY PERIOD...............8 SECONDS.
WINDS...............SOUTHEAST AT 10 TO 15 MPH.
WEDNESDAY
RIP CURRENT RISK.....LOW *.
SURF HEIGHT
NORTH FACING REEFS............1 TO 3 FEET.
EAST FACING REEFS............2 TO 4 FEET.
SOUTH FACING REEFS............1 TO 3 FEET.
WEST FACING REEFS............AROUND 1 FOOT.
SWELL/PERIOD
PRIMARY SWELL................EAST AT 1 TO 3 FEET.
PRIMARY PERIOD...............8 SECONDS.
MAX HEAT INDEX.........AROUND 100.
WINDS...............SOUTHEAST AT 10 TO 15 MPH.
TIDE INFORMATION FOR THE NEXT 36 HOURS...
AT APRA HARBOR, GUAM...
LOW TIDE -0.1 FEET AT 9:03 AM TUESDAY
HIGH TIDE 2.3 FEET AT 5:06 PM TUESDAY
LOW TIDE 1.7 FEET AT 10:09 PM TUESDAY
HIGH TIDE 2.1 FEET AT 2:25 AM WEDNESDAY
LOW TIDE -0.1 FEET AT 10:14 AM WEDNESDAY
HIGH TIDE 2.3 FEET AT 5:53 PM WEDNESDAY
LOW TIDE 1.5 FEET AT 11:13 PM WEDNESDAY
AT ROTA ISLAND...
LOW TIDE -0.1 FEET AT 8:57 AM TUESDAY
HIGH TIDE 2.1 FEET AT 5:03 PM TUESDAY
LOW TIDE 1.6 FEET AT 10:03 PM TUESDAY
HIGH TIDE 2.0 FEET AT 2:22 AM WEDNESDAY
LOW TIDE -0.1 FEET AT 10:08 AM WEDNESDAY
HIGH TIDE 2.2 FEET AT 5:50 PM WEDNESDAY
LOW TIDE 1.4 FEET AT 11:07 PM WEDNESDAY
AT TINIAN ISLAND...
LOW TIDE -0.4 FEET AT 8:42 AM TUESDAY
HIGH TIDE 1.5 FEET AT 4:51 PM TUESDAY
LOW TIDE 1.3 FEET AT 9:04 PM TUESDAY
HIGH TIDE 1.6 FEET AT 1:23 AM WEDNESDAY
LOW TIDE -0.3 FEET AT 9:45 AM WEDNESDAY
HIGH TIDE 1.5 FEET AT 5:34 PM WEDNESDAY
LOW TIDE 1.2 FEET AT 10:11 PM WEDNESDAY
AT TANAPAG HARBOR, SAIPAN...
LOW TIDE -0.2 FEET AT 9:12 AM TUESDAY
HIGH TIDE 2.1 FEET AT 5:20 PM TUESDAY
LOW TIDE 1.6 FEET AT 10:11 PM TUESDAY
HIGH TIDE 1.9 FEET AT 2:10 AM WEDNESDAY
LOW TIDE -0.2 FEET AT 10:19 AM WEDNESDAY
HIGH TIDE 2.1 FEET AT 6:03 PM WEDNESDAY
LOW TIDE 1.5 FEET AT 11:08 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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