988
FZPQ50 PGUM 221927
SRFGUM
SURF ZONE FORECAST FOR THE MARIANA ISLANDS
NATIONAL WEATHER SERVICE TIYAN GU
527 AM CHST SAT MAY 23 2026
DISCUSSION
A SLIGHT RISK OF LIGHTNING IS POSSIBLE TODAY WITH
ISOLATED THUNDERSTORMS. A MODERATE RISK OF RIP CURRENTS ALONG BOTH
NORTH AND EAST-FACING REEFS WILL CONTINUE OVER THE NEXT COUPLE OF
DAYS. SURF WILL REMAIN GENERALLY STEADY BEFORE INCREASING SLIGHTLY ON
SUNDAY AS TRADE-WINDS INCREASE.
GUZ001-MPZ001>003-231030-
GUAM-ROTA-TINIAN-SAIPAN-
527 AM CHST SAT MAY 23 2026
36 HOUR SURF ZONE FORECAST FOR THE MARIANAS FROM 600 AM SATURDAY
THROUGH 600 PM SUNDAY
TODAY
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............4 TO 6 FEET.
EAST FACING REEFS............5 TO 7 FEET.
SOUTH FACING REEFS............2 TO 3 FEET.
WEST FACING REEFS............AROUND 1 FOOT.
SWELL/PERIOD
PRIMARY SWELL................EAST AT 4 TO 5 FEET.
PRIMARY PERIOD...............8 SECONDS.
WATER TEMPERATURE
IPAN BUOY..........83 DEGREES.
MAX HEAT INDEX.........AROUND 99.
WINDS...............EAST AROUND 15 MPH.
TONIGHT
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............4 TO 5 FEET.
EAST FACING REEFS............4 TO 6 FEET.
SOUTH FACING REEFS............2 TO 3 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 20 MPH.
SUNDAY
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............4 TO 6 FEET.
EAST FACING REEFS............5 TO 7 FEET.
SOUTH FACING REEFS............2 TO 3 FEET.
WEST FACING REEFS............AROUND 1 FOOT.
SWELL/PERIOD
PRIMARY SWELL................EAST AT 4 TO 5 FEET.
PRIMARY PERIOD...............8 SECONDS.
MAX HEAT INDEX.........AROUND 97.
WINDS...............EAST AT 15 TO 20 MPH.
TIDE INFORMATION FOR THE NEXT 36 HOURS...
AT APRA HARBOR, GUAM...
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
HIGH TIDE 2.5 FEET AT 2:48 AM SUNDAY
LOW TIDE 1.4 FEET AT 8:57 AM SUNDAY
HIGH TIDE 2.0 FEET AT 1:44 PM SUNDAY
LOW TIDE 0.6 FEET AT 8:22 PM SUNDAY
AT ROTA ISLAND...
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
HIGH TIDE 2.4 FEET AT 2:45 AM SUNDAY
LOW TIDE 1.3 FEET AT 8:51 AM SUNDAY
HIGH TIDE 1.9 FEET AT 1:41 PM SUNDAY
LOW TIDE 0.6 FEET AT 8:16 PM SUNDAY
AT TINIAN ISLAND...
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
HIGH TIDE 1.9 FEET AT 2:46 AM SUNDAY
LOW TIDE 0.4 FEET AT 8:34 AM SUNDAY
HIGH TIDE 1.5 FEET AT 1:42 PM SUNDAY
LOW TIDE 0.2 FEET AT 7:59 PM SUNDAY
AT TANAPAG HARBOR, SAIPAN...
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
HIGH TIDE 2.3 FEET AT 2:53 AM SUNDAY
LOW TIDE 1.0 FEET AT 9:23 AM SUNDAY
HIGH TIDE 1.5 FEET AT 1:58 PM SUNDAY
LOW TIDE 0.4 FEET AT 8:26 PM SUNDAY
* 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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