071
FZPQ50 PGUM 220630
SRFGUM
SURF ZONE FORECAST FOR THE MARIANA ISLANDS
NATIONAL WEATHER SERVICE TIYAN GU
430 PM CHST SUN MAR 22 2026
DISCUSSION
ELEVATED NORTHEAST TO EAST SWELL, AND MINOR LONG-PERIOD NORTH TO
NORTHEAST SWELL WILL CONTINUE TO PRODUCE ELEVATED SURF ALONG NORTH
FACING REEFS THROUGH MONDAY NIGHT AND A HIGH RISK OF RIP CURRENTS
ALONG EAST FACING REEFS THROUGH TUESDAY AFTERNOON. A MODERATE RISK
OF RIP CURRENTS WILL CONTINUE ALONG WEST AND SOUTH FACING REEFS
THROUGH TONIGHT, BEFORE RIP RISK ALONG WEST REEFS DECREASES TO LOW
MONDAY. THERE IS A MODERATE RISK OF LIGHTNING FOR GUAM AND ROTA LATE
TONIGHT THROUGH TUESDAY.
GUZ001-MPZ001>003-222200-
GUAM-ROTA-TINIAN-SAIPAN-
430 PM CHST SUN MAR 22 2026
..HIGH SURF ADVISORY IS NO LONGER IN EFFECT
...HIGH RISK OF RIP CURRENTS THROUGH TUESDAY AFTERNOON ALONG
EAST FACING REEFS...
36 HOUR SURF ZONE FORECAST FOR THE MARIANAS FROM 600 PM SUNDAY
THROUGH 600 AM MONDAY
TONIGHT
RIP CURRENT RISK.....HIGH *.
SURF HEIGHT
NORTH FACING REEFS............6 TO 8 FEET.
EAST FACING REEFS............7 TO 10 FEET.
SOUTH FACING REEFS............3 TO 5 FEET.
WEST FACING REEFS............3 TO 5 FEET.
SWELL/PERIOD
PRIMARY SWELL................NORTHEAST TO EAST AT 5 TO 7 FEET.
PRIMARY PERIOD...............8 SECONDS.
SECONDARY SWELL..............NORTHEAST AT AROUND 3 FEET.
SECONDARY PERIOD.............12 SECONDS.
TERTIARY SWELL...............NORTH AT 1 TO 2 FEET.
TERTIARY PERIOD..............11 SECONDS.
WATER TEMPERATURE
IPAN BUOY..........81 DEGREES.
WINDS...............BREEZY. NORTHEAST AT 15 TO 25 MPH.
MONDAY
RIP CURRENT RISK.....HIGH *.
SURF HEIGHT
NORTH FACING REEFS............6 TO 8 FEET.
EAST FACING REEFS............7 TO 10 FEET.
SOUTH FACING REEFS............3 TO 5 FEET.
WEST FACING REEFS............2 TO 4 FEET.
SWELL/PERIOD
PRIMARY SWELL................NORTHEAST TO EAST AT 5 TO 7 FEET.
PRIMARY PERIOD...............8 SECONDS.
SECONDARY SWELL..............NORTHEAST AT AROUND 3 FEET.
SECONDARY PERIOD.............12 SECONDS.
MAX HEAT INDEX.........AROUND 96.
WINDS...............BREEZY. EAST AT 15 TO 25 MPH.
MONDAY NIGHT
RIP CURRENT RISK.....HIGH *.
SURF HEIGHT
NORTH FACING REEFS............5 TO 8 FEET.
EAST FACING REEFS............8 TO 11 FEET.
SOUTH FACING REEFS............3 TO 5 FEET.
WEST FACING REEFS............2 TO 4 FEET.
SWELL/PERIOD
PRIMARY SWELL................EAST AT 6 TO 8 FEET.
PRIMARY PERIOD...............8 SECONDS.
SECONDARY SWELL..............NORTHEAST AT AROUND 3 FEET.
SECONDARY PERIOD.............11 SECONDS.
WINDS...............BREEZY. NORTHEAST AT 15 TO 25 MPH.
TIDE INFORMATION FOR THE NEXT 36 HOURS...
AT APRA HARBOR, GUAM...
HIGH TIDE 2.3 FEET AT 10:48 PM SUNDAY
LOW TIDE 1.2 FEET AT 4:22 AM MONDAY
HIGH TIDE 2.4 FEET AT 9:44 AM MONDAY
LOW TIDE -0.3 FEET AT 4:58 PM MONDAY
HIGH TIDE 2.1 FEET AT 12:02 AM TUESDAY
LOW TIDE 1.4 FEET AT 5:13 AM TUESDAY
AT ROTA ISLAND...
HIGH TIDE 2.1 FEET AT 10:45 PM SUNDAY
LOW TIDE 1.1 FEET AT 4:16 AM MONDAY
HIGH TIDE 2.2 FEET AT 9:41 AM MONDAY
LOW TIDE -0.3 FEET AT 4:52 PM MONDAY
HIGH TIDE 2.0 FEET AT 11:59 PM MONDAY
LOW TIDE 1.4 FEET AT 5:07 AM TUESDAY
AT TINIAN ISLAND...
HIGH TIDE 1.7 FEET AT 10:46 PM SUNDAY
LOW TIDE 0.4 FEET AT 3:59 AM MONDAY
HIGH TIDE 1.7 FEET AT 9:42 AM MONDAY
LOW TIDE -0.1 FEET AT 4:35 PM MONDAY
HIGH TIDE 1.6 FEET AT 12:00 AM TUESDAY
LOW TIDE 0.5 FEET AT 4:50 AM TUESDAY
AT TANAPAG HARBOR, SAIPAN...
HIGH TIDE 2.1 FEET AT 11:18 PM SUNDAY
LOW TIDE 1.3 FEET AT 4:24 AM MONDAY
HIGH TIDE 2.1 FEET AT 9:35 AM MONDAY
LOW TIDE -0.2 FEET AT 5:01 PM MONDAY
HIGH TIDE 2.1 FEET AT 12:39 AM TUESDAY
LOW TIDE 1.6 FEET AT 5:23 AM 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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