006
FZPQ50 PGUM 211930
SRFGUM
SURF ZONE FORECAST FOR THE MARIANA ISLANDS
NATIONAL WEATHER SERVICE TIYAN GU
530 AM CHST FRI MAY 22 2026
DISCUSSION
A MODERATE RISK OF RIP CURRENTS ALONG BOTH NORTH AND
EAST-FACING REEFS WILL CONTINUE OVER THE NEXT COUPLE OF DAYS. SURF
WILL SLIGHTLY DECLINE INTO THE WEEKEND BEFORE POTENTIALLY BUILDING
BACK UP EARLY NEXT WEEK AS ANOTHER SWELL BUILDS INTO THE WATERS.
GUZ001-MPZ001>003-221030-
GUAM-ROTA-TINIAN-SAIPAN-
530 AM CHST FRI MAY 22 2026
36 HOUR SURF ZONE FORECAST FOR THE MARIANAS FROM 600 AM FRIDAY
THROUGH 600 PM SATURDAY
TODAY
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............4 TO 6 FEET.
EAST FACING REEFS............6 TO 8 FEET.
SOUTH FACING REEFS............2 TO 4 FEET.
WEST FACING REEFS............1 TO 3 FEET.
SWELL/PERIOD
PRIMARY SWELL................EAST AT 4 TO 6 FEET.
PRIMARY PERIOD...............8 SECONDS.
WATER TEMPERATURE
IPAN BUOY..........83 DEGREES.
MAX HEAT INDEX.........AROUND 100.
WINDS...............EAST AT 10 TO 20 MPH.
TONIGHT
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............4 TO 5 FEET.
EAST FACING REEFS............5 TO 7 FEET.
SOUTH FACING REEFS............2 TO 3 FEET.
WEST FACING REEFS............1 TO 2 FEET.
SWELL/PERIOD
PRIMARY SWELL................EAST AT 3 TO 6 FEET.
PRIMARY PERIOD...............8 SECONDS.
WINDS...............EAST AT 10 TO 15 MPH.
SATURDAY
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............4 TO 5 FEET.
EAST FACING REEFS............5 TO 7 FEET.
SOUTH FACING REEFS............2 TO 3 FEET.
WEST FACING REEFS............1 TO 2 FEET.
SWELL/PERIOD
PRIMARY SWELL................EAST AT 3 TO 5 FEET.
PRIMARY PERIOD...............8 SECONDS.
MAX HEAT INDEX.........AROUND 100.
WINDS...............EAST AT 10 TO 20 MPH.
TIDE INFORMATION FOR THE NEXT 36 HOURS...
AT APRA HARBOR, GUAM...
LOW TIDE 1.8 FEET AT 6:34 AM FRIDAY
HIGH TIDE 2.3 FEET AT 10:51 AM FRIDAY
LOW TIDE -0.1 FEET AT 6:26 PM FRIDAY
HIGH TIDE 2.5 FEET AT 2:03 AM SATURDAY
LOW TIDE 1.6 FEET AT 7:47 AM SATURDAY
HIGH TIDE 2.1 FEET AT 12:10 PM SATURDAY
LOW TIDE 0.3 FEET AT 7:24 PM SATURDAY
AT ROTA ISLAND...
LOW TIDE 1.7 FEET AT 6:28 AM FRIDAY
HIGH TIDE 2.2 FEET AT 10:48 AM FRIDAY
LOW TIDE -0.1 FEET AT 6:20 PM FRIDAY
HIGH TIDE 2.4 FEET AT 2:00 AM SATURDAY
LOW TIDE 1.5 FEET AT 7:41 AM SATURDAY
HIGH TIDE 2.0 FEET AT 12:07 PM SATURDAY
LOW TIDE 0.2 FEET AT 7:18 PM SATURDAY
AT TINIAN ISLAND...
LOW TIDE 0.6 FEET AT 6:11 AM FRIDAY
HIGH TIDE 1.7 FEET AT 10:49 AM FRIDAY
LOW TIDE 0.0 FEET AT 6:03 PM FRIDAY
HIGH TIDE 1.9 FEET AT 2:01 AM SATURDAY
LOW TIDE 0.5 FEET AT 7:24 AM SATURDAY
HIGH TIDE 1.6 FEET AT 12:08 PM SATURDAY
LOW TIDE 0.1 FEET AT 7:01 PM SATURDAY
AT TANAPAG HARBOR, SAIPAN...
LOW TIDE 1.6 FEET AT 7:16 AM FRIDAY
HIGH TIDE 1.8 FEET AT 10:51 AM FRIDAY
LOW TIDE -0.2 FEET AT 6:33 PM FRIDAY
HIGH TIDE 2.4 FEET AT 2:12 AM SATURDAY
LOW TIDE 1.3 FEET AT 8:23 AM SATURDAY
HIGH TIDE 1.7 FEET AT 12:24 PM SATURDAY
LOW TIDE 0.1 FEET AT 7:30 PM 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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