482
FZPQ50 PGUM 290608
SRFGUM
SURF ZONE FORECAST FOR THE MARIANA ISLANDS
NATIONAL WEATHER SERVICE TIYAN GU
408 PM CHST FRI MAY 29 2026
DISCUSSION
SURF IS WEAKER THAN EXPECTED AS TROPICAL STORM JANGMI
HAS BEEN SLOW TO DEVELOP. THERE IS A MODERATE RISK OF RIP CURRENTS
TONIGHT FOR EAST, SOUTH, AND WEST FACING REEFS AND A LOW RISK FOR
NORTH FACING REEFS. SOUTH FACING REEFS MAY DROP TO LOW RISK
BY TOMORROW NIGHT.
GUZ001-MPZ001>003-292115-
GUAM-ROTA-TINIAN-SAIPAN-
408 PM CHST FRI MAY 29 2026
36 HOUR SURF ZONE FORECAST FOR THE MARIANAS FROM 600 PM FRIDAY
THROUGH 600 AM SUNDAY
TONIGHT
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............2 TO 4 FEET.
EAST FACING REEFS............3 TO 5 FEET.
SOUTH FACING REEFS............4 TO 6 FEET.
WEST FACING REEFS............4 TO 6 FEET.
SWELL/PERIOD
PRIMARY SWELL................SOUTHWEST AT 4 FEET.
PRIMARY PERIOD...............9 SECONDS.
SECONDARY SWELL..............EAST AT 3 FEET.
SECONDARY PERIOD.............10 SECONDS.
TERTIARY SWELL...............NORTHEAST AT 2 FEET.
TERTIARY PERIOD..............11 SECONDS.
WATER TEMPERATURE
IPAN BUOY.......... 83 DEGREES.
WINDS...............SOUTHEAST AT 10 TO 15 MPH.
SATURDAY
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............2 TO 4 FEET.
EAST FACING REEFS............3 TO 5 FEET.
SOUTH FACING REEFS............3 TO 5 FEET.
WEST FACING REEFS............4 TO 5 FEET.
SWELL/PERIOD
PRIMARY SWELL................SOUTHWEST AT 3 TO 4 FEET.
PRIMARY PERIOD...............9 SECONDS.
SECONDARY SWELL..............EAST AT 3 FEET.
SECONDARY PERIOD.............10 SECONDS.
MAX HEAT INDEX.........AROUND 98.
WINDS...............EAST AT 10 TO 15 MPH.
SATURDAY NIGHT
RIP CURRENT RISK.....LOW *.
SURF HEIGHT
NORTH FACING REEFS............2 TO 4 FEET.
EAST FACING REEFS............3 TO 5 FEET.
SOUTH FACING REEFS............3 TO 4 FEET.
WEST FACING REEFS............3 TO 5 FEET.
SWELL/PERIOD
PRIMARY SWELL................SOUTHWEST AT 3 FEET.
PRIMARY PERIOD...............9 SECONDS.
SECONDARY SWELL..............EAST AT 3 FEET.
SECONDARY PERIOD.............10 SECONDS.
WINDS...............EAST AT AROUND 10 MPH.
TIDE INFORMATION FOR THE NEXT 36 HOURS...
AT APRA HARBOR, GUAM...
HIGH TIDE 2.3 FEET AT 7:53 PM FRIDAY
LOW TIDE 1.7 FEET AT 12:55 AM SATURDAY
HIGH TIDE 2.4 FEET AT 5:52 AM SATURDAY
LOW TIDE 0.0 FEET AT 1:15 PM SATURDAY
HIGH TIDE 2.4 FEET AT 8:34 PM SATURDAY
LOW TIDE 1.8 FEET AT 1:43 AM SUNDAY
HIGH TIDE 2.4 FEET AT 6:22 AM SUNDAY
AT ROTA ISLAND...
HIGH TIDE 2.2 FEET AT 7:50 PM FRIDAY
LOW TIDE 1.6 FEET AT 12:49 AM SATURDAY
HIGH TIDE 2.3 FEET AT 5:49 AM SATURDAY
LOW TIDE 0.0 FEET AT 1:09 PM SATURDAY
HIGH TIDE 2.2 FEET AT 8:31 PM SATURDAY
LOW TIDE 1.7 FEET AT 1:37 AM SUNDAY
HIGH TIDE 2.2 FEET AT 6:19 AM SUNDAY
AT TINIAN ISLAND...
HIGH TIDE 1.7 FEET AT 7:51 PM FRIDAY
LOW TIDE 0.6 FEET AT 12:32 AM SATURDAY
HIGH TIDE 1.8 FEET AT 5:50 AM SATURDAY
LOW TIDE 0.0 FEET AT 12:52 PM SATURDAY
HIGH TIDE 1.8 FEET AT 8:32 PM SATURDAY
LOW TIDE 0.6 FEET AT 1:20 AM SUNDAY
HIGH TIDE 1.7 FEET AT 6:20 AM SUNDAY
AT TANAPAG HARBOR, SAIPAN...
HIGH TIDE 2.0 FEET AT 8:20 PM FRIDAY
LOW TIDE 1.6 FEET AT 12:21 AM SATURDAY
HIGH TIDE 2.1 FEET AT 5:37 AM SATURDAY
LOW TIDE -0.2 FEET AT 1:19 PM SATURDAY
HIGH TIDE 2.0 FEET AT 9:05 PM SATURDAY
LOW TIDE 1.8 FEET AT 1:20 AM SUNDAY
HIGH TIDE 2.1 FEET AT 5:58 AM 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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