378
FZPQ50 PGUM 241742
SRFGUM
SURF ZONE FORECAST FOR THE MARIANA ISLANDS
NATIONAL WEATHER SERVICE TIYAN GU
342 AM CHST MON MAY 25 2026
DISCUSSION
THERE WILL BE A MODERATE RISK OF RIP CURRENTS ALONG
EAST FACING REEFS OF THE MARIANAS THROUGH AT LEAST THURSDAY. THERE
WILL ALSO BE A MODERATE RISK OF LIGHTNING THROUGH AT LEAST THURSDAY.
GUZ001-MPZ001>003-250845-
GUAM-ROTA-TINIAN-SAIPAN-
342 AM CHST MON MAY 25 2026
36 HOUR SURF ZONE FORECAST FOR THE MARIANAS FROM 600 AM MONDAY
THROUGH 600 PM TUESDAY
TODAY
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............2 TO 4 FEET.
EAST FACING REEFS............4 TO 6 FEET.
SOUTH FACING REEFS............2 TO 4 FEET.
WEST FACING REEFS............AROUND 1 FOOT.
SWELL/PERIOD
PRIMARY SWELL................EAST AT 2 TO 4 FEET.
PRIMARY PERIOD...............8 SECONDS.
WATER TEMPERATURE
IPAN BUOY..........83 DEGREES.
MAX HEAT INDEX.........AROUND 101.
WINDS...............EAST AT 10 TO 15 MPH.
TONIGHT
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............2 TO 4 FEET.
EAST FACING REEFS............5 TO 7 FEET.
SOUTH FACING REEFS............2 TO 4 FEET.
WEST FACING REEFS............AROUND 1 FOOT.
SWELL/PERIOD
PRIMARY SWELL................EAST AT 3 TO 5 FEET.
PRIMARY PERIOD...............8 SECONDS.
WINDS...............EAST AT 10 TO 15 MPH.
TUESDAY
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............2 TO 4 FEET.
EAST FACING REEFS............5 TO 7 FEET.
SOUTH FACING REEFS............2 TO 4 FEET.
WEST FACING REEFS............AROUND 1 FOOT.
SWELL/PERIOD
PRIMARY SWELL................EAST AT 3 TO 5 FEET.
PRIMARY PERIOD...............8 SECONDS.
MAX HEAT INDEX.........AROUND 99.
WINDS...............EAST AT 10 TO 20 MPH.
TIDE INFORMATION FOR THE NEXT 36 HOURS...
AT APRA HARBOR, GUAM...
LOW TIDE 1.1 FEET AT 9:57 AM MONDAY
HIGH TIDE 1.9 FEET AT 3:25 PM MONDAY
LOW TIDE 0.9 FEET AT 9:19 PM MONDAY
HIGH TIDE 2.5 FEET AT 4:00 AM TUESDAY
LOW TIDE 0.8 FEET AT 10:48 AM TUESDAY
HIGH TIDE 2.0 FEET AT 4:55 PM TUESDAY
LOW TIDE 1.2 FEET AT 10:15 PM TUESDAY
AT ROTA ISLAND...
LOW TIDE 1.0 FEET AT 9:51 AM MONDAY
HIGH TIDE 1.8 FEET AT 3:22 PM MONDAY
LOW TIDE 0.9 FEET AT 9:13 PM MONDAY
HIGH TIDE 2.4 FEET AT 3:57 AM TUESDAY
LOW TIDE 0.7 FEET AT 10:42 AM TUESDAY
HIGH TIDE 1.9 FEET AT 4:52 PM TUESDAY
LOW TIDE 1.1 FEET AT 10:09 PM TUESDAY
AT TINIAN ISLAND...
LOW TIDE 0.4 FEET AT 9:34 AM MONDAY
HIGH TIDE 1.4 FEET AT 3:23 PM MONDAY
LOW TIDE 0.3 FEET AT 8:56 PM MONDAY
HIGH TIDE 1.9 FEET AT 3:58 AM TUESDAY
LOW TIDE 0.3 FEET AT 10:25 AM TUESDAY
HIGH TIDE 1.5 FEET AT 4:53 PM TUESDAY
LOW TIDE 0.4 FEET AT 9:52 PM TUESDAY
AT TANAPAG HARBOR, SAIPAN...
LOW TIDE 0.7 FEET AT 10:13 AM MONDAY
HIGH TIDE 1.5 FEET AT 3:47 PM MONDAY
LOW TIDE 0.7 FEET AT 9:21 PM MONDAY
HIGH TIDE 2.2 FEET AT 4:03 AM TUESDAY
LOW TIDE 0.4 FEET AT 10:55 AM TUESDAY
HIGH TIDE 1.6 FEET AT 5:16 PM TUESDAY
LOW TIDE 1.0 FEET AT 10:10 PM TUESDAY
* 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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