394
FZPQ50 PGUM 101848
SRFGUM
SURF ZONE FORECAST FOR THE MARIANA ISLANDS
NATIONAL WEATHER SERVICE TIYAN GU
448 AM CHST SAT APR 11 2026
DISCUSSION
THERE WILL BE A HIGH RISK OF RIP CURRENTS ALONG NORTH
AND EAST FACING REEFS THROUGH TONIGHT, WHICH WILL THEN SPREAD TO
INCLUDE SOUTH FACING REEFS SUNDAY. THERE WILL BE A MODERATE RISK OF
LIGHTNING MONDAY THROUGH WEDNESDAY.
GUZ001-MPZ001>003-111000-
GUAM-ROTA-TINIAN-SAIPAN-
448 AM CHST SAT APR 11 2026
...HIGH SURF ADVISORY IN EFFECT UNTIL 6 PM CHST THURSDAY ALONG NORTH
AND EAST FACING REEFS...
...HIGH RISK OF RIP CURRENTS THROUGH THURSDAY AFTERNOON ALONG NORTH
AND EAST FACING REEFS...
36 HOUR SURF ZONE FORECAST FOR THE MARIANAS FROM 600 AM SATURDAY
THROUGH 600 PM SUNDAY
TODAY
RIP CURRENT RISK.....HIGH. POUNDING SURF WILL PRODUCE LIFE
THREATENING RIP CURRENTS AT REEFS AND BEACHES.
SURF HEIGHT
NORTH FACING REEFS............9 TO 12 FEET.
EAST FACING REEFS............10 TO 14 FEET.
SOUTH FACING REEFS............5 TO 8 FEET.
WEST FACING REEFS............2 TO 4 FEET.
SWELL/PERIOD
PRIMARY SWELL................EAST AT 8 TO 10 FEET.
PRIMARY PERIOD...............10 SECONDS.
WATER TEMPERATURE
IPAN BUOY..........82 DEGREES.
MAX HEAT INDEX.........AROUND 97.
WINDS...............BREEZY. NORTHEAST AT 20 TO 25 MPH.
TONIGHT
RIP CURRENT RISK.....HIGH. POUNDING SURF WILL PRODUCE LIFE
THREATENING RIP CURRENTS AT REEFS AND BEACHES.
SURF HEIGHT
NORTH FACING REEFS............9 TO 12 FEET.
EAST FACING REEFS............10 TO 14 FEET.
SOUTH FACING REEFS............5 TO 8 FEET.
WEST FACING REEFS............2 TO 4 FEET.
SWELL/PERIOD
PRIMARY SWELL................EAST AT 6 TO 11 FEET.
PRIMARY PERIOD...............10 SECONDS.
WINDS...............BREEZY. NORTHEAST AT 20 TO 25 MPH.
SUNDAY
RIP CURRENT RISK.....HIGH. HUGE WAVES WILL PRODUCE DEADLY RIP
CURRENTS. STAY OUT OF THE WATER.
SURF HEIGHT
NORTH FACING REEFS............12 TO 16 FEET.
EAST FACING REEFS............16 TO 20 FEET.
SOUTH FACING REEFS............10 TO 14 FEET.
WEST FACING REEFS............5 TO 8 FEET.
SWELL/PERIOD
PRIMARY SWELL................EAST AT 10 TO 13 FEET.
PRIMARY PERIOD...............10 SECONDS.
MAX HEAT INDEX.........AROUND 97.
WINDS...............WINDY. NORTHEAST AT 20 TO 30 MPH.
TIDE INFORMATION FOR THE NEXT 36 HOURS...
AT APRA HARBOR, GUAM...
LOW TIDE 1.6 FEET AT 9:11 AM SATURDAY
HIGH TIDE 1.8 FEET AT 1:13 PM SATURDAY
LOW TIDE 0.3 FEET AT 8:56 PM SATURDAY
HIGH TIDE 2.1 FEET AT 4:45 AM SUNDAY
LOW TIDE 1.5 FEET AT 10:11 AM SUNDAY
HIGH TIDE 1.9 FEET AT 2:42 PM SUNDAY
LOW TIDE 0.3 FEET AT 9:54 PM SUNDAY
AT ROTA ISLAND...
LOW TIDE 1.5 FEET AT 9:05 AM SATURDAY
HIGH TIDE 1.7 FEET AT 1:10 PM SATURDAY
LOW TIDE 0.2 FEET AT 8:50 PM SATURDAY
HIGH TIDE 2.0 FEET AT 4:42 AM SUNDAY
LOW TIDE 1.4 FEET AT 10:05 AM SUNDAY
HIGH TIDE 1.8 FEET AT 2:39 PM SUNDAY
LOW TIDE 0.3 FEET AT 9:48 PM SUNDAY
AT TINIAN ISLAND...
LOW TIDE 0.5 FEET AT 8:48 AM SATURDAY
HIGH TIDE 1.4 FEET AT 1:11 PM SATURDAY
LOW TIDE 0.1 FEET AT 8:33 PM SATURDAY
HIGH TIDE 1.5 FEET AT 4:43 AM SUNDAY
LOW TIDE 0.5 FEET AT 9:48 AM SUNDAY
HIGH TIDE 1.4 FEET AT 2:40 PM SUNDAY
LOW TIDE 0.1 FEET AT 9:31 PM SUNDAY
AT TANAPAG HARBOR, SAIPAN...
LOW TIDE 1.5 FEET AT 10:03 AM SATURDAY
HIGH TIDE 1.6 FEET AT 12:58 PM SATURDAY
LOW TIDE 0.2 FEET AT 9:07 PM SATURDAY
HIGH TIDE 2.0 FEET AT 4:58 AM SUNDAY
LOW TIDE 1.4 FEET AT 10:34 AM SUNDAY
HIGH TIDE 1.6 FEET AT 2:42 PM SUNDAY
LOW TIDE 0.2 FEET AT 10:00 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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