657
FZPQ50 PGUM 231815
SRFGUM
SURF ZONE FORECAST FOR THE MARIANA ISLANDS
NATIONAL WEATHER SERVICE TIYAN GU
415 AM CHST FRI JUL 24 2026
DISCUSSION
THERE WILL BE A LOW RISK OF RIP CURRENTS ALONG ALL REEFS
AND A MODERATE RISK OF LIGHTNING THROUGH SATURDAY.
GUZ001-MPZ001>003-240915-
GUAM-ROTA-TINIAN-SAIPAN-
415 AM CHST FRI JUL 24 2026
36 HOUR SURF ZONE FORECAST FOR THE MARIANAS FROM 600 AM FRIDAY
THROUGH 600 PM SATURDAY
TODAY
RIP CURRENT RISK.....LOW *.
SURF HEIGHT
NORTH FACING REEFS............2 TO 4 FEET.
EAST FACING REEFS............2 TO 4 FEET.
SOUTH FACING REEFS............2 TO 4 FEET.
WEST FACING REEFS............2 TO 4 FEET.
SWELL/PERIOD
PRIMARY SWELL................WEST AT 2 TO 3 FEET.
PRIMARY PERIOD...............8 SECONDS.
SECONDARY SWELL..............EAST AT AROUND 2 FEET.
SECONDARY PERIOD.............9 SECONDS.
WATER TEMPERATURE
TANAPAG BUOY..........86 DEGREES.
MAX HEAT INDEX.........AROUND 102.
WINDS...............NORTHEAST AT AROUND 10 MPH.
TONIGHT
RIP CURRENT RISK.....LOW *.
SURF HEIGHT
NORTH FACING REEFS............2 TO 4 FEET.
EAST FACING REEFS............2 TO 4 FEET.
SOUTH FACING REEFS............2 TO 4 FEET.
WEST FACING REEFS............2 TO 4 FEET.
SWELL/PERIOD
PRIMARY SWELL................WEST AT 2 TO 3 FEET.
PRIMARY PERIOD...............8 SECONDS.
SECONDARY SWELL..............EAST AT AROUND 2 FEET.
SECONDARY PERIOD.............9 SECONDS.
WINDS...............LIGHT AND VARIABLE.
SATURDAY
RIP CURRENT RISK.....LOW *.
SURF HEIGHT
NORTH FACING REEFS............2 TO 4 FEET.
EAST FACING REEFS............2 TO 4 FEET.
SOUTH FACING REEFS............2 TO 4 FEET.
WEST FACING REEFS............2 TO 4 FEET.
SWELL/PERIOD
PRIMARY SWELL................WEST AT AROUND 2 FEET.
PRIMARY PERIOD...............8 SECONDS.
SECONDARY SWELL..............EAST AT AROUND 2 FEET.
SECONDARY PERIOD.............9 SECONDS.
MAX HEAT INDEX.........AROUND 102.
WINDS...............LIGHT AND VARIABLE.
TIDE INFORMATION FOR THE NEXT 36 HOURS...
AT APRA HARBOR, GUAM...
LOW TIDE 0.3 FEET AT 10:10 AM FRIDAY
HIGH TIDE 2.1 FEET AT 6:04 PM FRIDAY
LOW TIDE 1.9 FEET AT 10:15 PM FRIDAY
HIGH TIDE 2.3 FEET AT 3:04 AM SATURDAY
LOW TIDE 0.2 FEET AT 10:59 AM SATURDAY
HIGH TIDE 2.2 FEET AT 6:53 PM SATURDAY
LOW TIDE 1.9 FEET AT 11:27 PM SATURDAY
AT ROTA ISLAND...
LOW TIDE 0.3 FEET AT 10:04 AM FRIDAY
HIGH TIDE 2.0 FEET AT 6:01 PM FRIDAY
LOW TIDE 1.8 FEET AT 10:09 PM FRIDAY
HIGH TIDE 2.1 FEET AT 3:01 AM SATURDAY
LOW TIDE 0.2 FEET AT 10:53 AM SATURDAY
HIGH TIDE 2.1 FEET AT 6:50 PM SATURDAY
LOW TIDE 1.8 FEET AT 11:21 PM SATURDAY
AT TINIAN ISLAND...
LOW TIDE 0.1 FEET AT 9:47 AM FRIDAY
HIGH TIDE 1.6 FEET AT 6:02 PM FRIDAY
LOW TIDE 0.6 FEET AT 9:52 PM FRIDAY
HIGH TIDE 1.7 FEET AT 3:02 AM SATURDAY
LOW TIDE 0.1 FEET AT 10:36 AM SATURDAY
HIGH TIDE 1.6 FEET AT 6:51 PM SATURDAY
LOW TIDE 0.6 FEET AT 11:04 PM SATURDAY
AT TANAPAG HARBOR, SAIPAN...
LOW TIDE 0.1 FEET AT 10:25 AM FRIDAY
HIGH TIDE 1.8 FEET AT 6:54 PM FRIDAY
LOW TIDE 1.7 FEET AT 9:29 PM FRIDAY
HIGH TIDE 2.0 FEET AT 2:36 AM SATURDAY
LOW TIDE 0.0 FEET AT 11:08 AM SATURDAY
HIGH TIDE 1.9 FEET AT 7:42 PM SATURDAY
LOW TIDE 1.8 FEET AT 10:34 PM SATURDAY
* 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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