138
FZPQ50 PGUM 230607
SRFGUM
SURF ZONE FORECAST FOR THE MARIANA ISLANDS
NATIONAL WEATHER SERVICE TIYAN GU
407 PM CHST MON MAR 23 2026
DISCUSSION
THERE WILL BE A HIGH RISK OF RIP CURRENTS ALONG EAST
FACING REEFS THROUGH TUESDAY AFTERNOON, WITH A MODERATE RISK ALONG
NORTH AND SOUTH FACING REEFS. THE RISK OF RIP CURRENTS WILL BECOME
MODERATE ALONG EAST FACING REEFS TUESDAY NIGHT AS THE EASTERLY SWELL
SUBSIDES SLIGHTLY. THERE WILL ALSO BE A MODERATE RISK OF LIGHTNING
THROUGH TONIGHT FOR TINIAN AND SAIPAN AND THROUGH TUESDAY FOR GUAM
AND ROTA.
GUZ001-MPZ001>003-232115-
GUAM-ROTA-TINIAN-SAIPAN-
407 PM CHST MON MAR 23 2026
...HIGH RISK OF RIP CURRENTS THROUGH TUESDAY AFTERNOON ALONG
EAST FACING REEFS...
36 HOUR SURF ZONE FORECAST FOR THE MARIANAS FROM 600 PM MONDAY
THROUGH 600 AM WEDNESDAY
TONIGHT
RIP CURRENT RISK.....HIGH *.
SURF HEIGHT
NORTH FACING REEFS............5 TO 7 FEET.
EAST FACING REEFS............8 TO 10 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.
WATER TEMPERATURE
IPAN BUOY.......... DEGREES.
WINDS...............BREEZY. NORTHEAST AT 15 TO 25 MPH.
TUESDAY
RIP CURRENT RISK.....HIGH *.
SURF HEIGHT
NORTH FACING REEFS............5 TO 7 FEET.
EAST FACING REEFS............7 TO 9 FEET.
SOUTH FACING REEFS............3 TO 5 FEET.
WEST FACING REEFS............2 TO 4 FEET.
SWELL/PERIOD
PRIMARY SWELL................EAST AT 5 TO 7 FEET.
PRIMARY PERIOD...............8 SECONDS.
SECONDARY SWELL..............NORTH AT AROUND 3 FEET.
SECONDARY PERIOD.............10 SECONDS.
MAX HEAT INDEX.........AROUND 95.
WINDS...............EAST AT 10 TO 20 MPH.
TUESDAY NIGHT
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............5 TO 7 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................EAST AT 5 TO 6 FEET.
PRIMARY PERIOD...............9 SECONDS.
SECONDARY SWELL..............NORTH AT AROUND 3 FEET.
SECONDARY PERIOD.............9 SECONDS.
WINDS...............NORTHEAST AT 10 TO 15 MPH.
TIDE INFORMATION FOR THE NEXT 36 HOURS...
AT APRA HARBOR, GUAM...
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
HIGH TIDE 2.3 FEET AT 10:22 AM TUESDAY
LOW TIDE -0.3 FEET AT 5:56 PM TUESDAY
HIGH TIDE 2.1 FEET AT 1:32 AM WEDNESDAY
LOW TIDE 1.6 FEET AT 6:17 AM WEDNESDAY
AT ROTA ISLAND...
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
HIGH TIDE 2.2 FEET AT 10:19 AM TUESDAY
LOW TIDE -0.3 FEET AT 5:50 PM TUESDAY
HIGH TIDE 1.9 FEET AT 1:29 AM WEDNESDAY
LOW TIDE 1.5 FEET AT 6:11 AM WEDNESDAY
AT TINIAN ISLAND...
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
HIGH TIDE 1.7 FEET AT 10:20 AM TUESDAY
LOW TIDE -0.1 FEET AT 5:33 PM TUESDAY
HIGH TIDE 1.5 FEET AT 1:30 AM WEDNESDAY
LOW TIDE 0.5 FEET AT 5:54 AM WEDNESDAY
AT TANAPAG HARBOR, SAIPAN...
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
HIGH TIDE 2.1 FEET AT 10:08 AM TUESDAY
LOW TIDE -0.2 FEET AT 6:04 PM TUESDAY
HIGH TIDE 2.1 FEET AT 2:05 AM WEDNESDAY
LOW TIDE 1.7 FEET AT 6:47 AM WEDNESDAY
* 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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