196
FZPQ50 PGUM 210727
SRFGUM
SURF ZONE FORECAST FOR THE MARIANA ISLANDS
NATIONAL WEATHER SERVICE TIYAN GU
527 PM CHST SAT FEB 21 2026
DISCUSSION
A MODERATE RISK OF RIP CURRENTS WILL CONTINUE ALONG
NORTH AND EAST FACING REEFS THROUGH TONIGHT. SURF BEGINS TO INCREASE
LATE SUNDAY NIGHT INTO EARLY MONDAY MORNING AS A NORTH SWELL AND
SHEAR LINE FRAGMENT BUILD SOUTH INTO THE REGION. SURF MAY BECOME
HAZARDOUS ALONG NORTH FACING REEFS MONDAY AS THE RISK OF RIP CURRENTS
BECOMES HIGH. A SIGNIFICANT NORTHEAST SWELL BUILDS EARLY NEXT WEEK
AND SURF WILL INCREASE BY SEVERAL MORE FEET, LIKELY BECOMING
HAZARDOUS ALONG EAST FACING REEFS COME TUESDAY NIGHT.
GUZ001-MPZ001>003-212300-
GUAM-ROTA-TINIAN-SAIPAN-
527 PM CHST SAT FEB 21 2026
36 HOUR SURF ZONE FORECAST FOR THE MARIANAS FROM 600 PM SATURDAY
THROUGH 600 AM MONDAY
TONIGHT
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............6 TO 8 FEET.
EAST FACING REEFS............5 TO 7 FEET.
SOUTH FACING REEFS............1 TO 3 FEET.
WEST FACING REEFS............1 TO 3 FEET.
SWELL/PERIOD
PRIMARY SWELL................NORTHEAST AT 3 TO 5 FEET.
PRIMARY PERIOD...............9 SECONDS.
SECONDARY SWELL..............NORTH AT AROUND 4 FEET.
SECONDARY PERIOD.............11 SECONDS.
WATER TEMPERATURE
IPAN BUOY..........84 DEGREES.
WINDS...............NORTHEAST AT 10 TO 15 MPH.
SUNDAY
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............6 TO 8 FEET.
EAST FACING REEFS............6 TO 8 FEET.
SOUTH FACING REEFS............2 TO 4 FEET.
WEST FACING REEFS............2 TO 4 FEET.
SWELL/PERIOD
PRIMARY SWELL................NORTHEAST AT 4 TO 6 FEET.
PRIMARY PERIOD...............9 SECONDS.
SECONDARY SWELL..............NORTH AT AROUND 4 FEET.
SECONDARY PERIOD.............11 SECONDS.
MAX HEAT INDEX.........AROUND 96.
WINDS...............EAST AT 10 TO 15 MPH.
SUNDAY NIGHT
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............6 TO 8 FEET.
EAST FACING REEFS............6 TO 8 FEET.
SOUTH FACING REEFS............2 TO 4 FEET.
WEST FACING REEFS............2 TO 4 FEET.
SWELL/PERIOD
PRIMARY SWELL................NORTHEAST AT 4 TO 6 FEET.
PRIMARY PERIOD...............10 SECONDS.
SECONDARY SWELL..............NORTH AT AROUND 3 FEET.
SECONDARY PERIOD.............11 SECONDS.
WINDS...............EAST AT 10 TO 20 MPH.
TIDE INFORMATION FOR THE NEXT 36 HOURS...
AT APRA HARBOR, GUAM...
HIGH TIDE 2.0 FEET AT 10:32 PM SATURDAY
LOW TIDE 0.6 FEET AT 4:31 AM SUNDAY
HIGH TIDE 2.3 FEET AT 10:31 AM SUNDAY
LOW TIDE 0.1 FEET AT 5:23 PM SUNDAY
HIGH TIDE 1.9 FEET AT 11:43 PM SUNDAY
LOW TIDE 1.0 FEET AT 5:14 AM MONDAY
AT ROTA ISLAND...
HIGH TIDE 1.9 FEET AT 10:29 PM SATURDAY
LOW TIDE 0.6 FEET AT 4:25 AM SUNDAY
HIGH TIDE 2.1 FEET AT 10:28 AM SUNDAY
LOW TIDE 0.1 FEET AT 5:17 PM SUNDAY
HIGH TIDE 1.8 FEET AT 11:40 PM SUNDAY
LOW TIDE 0.9 FEET AT 5:08 AM MONDAY
AT TINIAN ISLAND...
HIGH TIDE 1.5 FEET AT 10:30 PM SATURDAY
LOW TIDE 0.2 FEET AT 4:08 AM SUNDAY
HIGH TIDE 1.7 FEET AT 10:29 AM SUNDAY
LOW TIDE 0.0 FEET AT 5:00 PM SUNDAY
HIGH TIDE 1.4 FEET AT 11:41 PM SUNDAY
LOW TIDE 0.3 FEET AT 4:51 AM MONDAY
AT TANAPAG HARBOR, SAIPAN...
HIGH TIDE 1.9 FEET AT 10:49 PM SATURDAY
LOW TIDE 0.8 FEET AT 4:32 AM SUNDAY
HIGH TIDE 2.1 FEET AT 10:35 AM SUNDAY
LOW TIDE 0.3 FEET AT 5:29 PM SUNDAY
HIGH TIDE 1.8 FEET AT 12:12 AM MONDAY
LOW TIDE 1.2 FEET AT 5:16 AM MONDAY
* 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.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page