335
FZPQ50 PGUM 230612
SRFGUM
SURF ZONE FORECAST FOR THE MARIANA ISLANDS
NATIONAL WEATHER SERVICE TIYAN GU
412 PM CHST TUE JUN 23 2026
DISCUSSION
A TROPICAL STORM WARNING REMAINS IN EFFECT FOR TINIAN
AND SAIPAN. THERE IS A HIGH RISK OF RIP CURRENTS FOR TINIAN AND
SAIPAN THROUGH 6 PM CHST THIS AFTERNOON. THEN, THERE WILL
BE A MODERATE RISK OF RIP CURRENTS THE NEXT FEW DAYS ALONG EAST
FACING REEFS OF THE MARIANAS. THERE WILL ALSO BE A MODERATE RISK OF
LIGHTNING THROUGH WEDNESDAY NIGHT.
GUZ001-MPZ001-232115-
GUAM-ROTA-
412 PM CHST TUE JUN 23 2026
36 HOUR SURF ZONE FORECAST FOR THE MARIANAS FROM 600 PM TUESDAY
THROUGH 600 AM THURSDAY
TONIGHT
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............1 TO 2 FEET.
EAST FACING REEFS............3 TO 4 FEET.
SOUTH FACING REEFS............1 TO 3 FEET.
WEST FACING REEFS............2 TO 4 FEET.
SWELL/PERIOD
PRIMARY SWELL................EAST AT 3 FEET.
PRIMARY PERIOD...............8 SECONDS.
SECONDARY SWELL..............WEST AT AROUND 2 FEET.
SECONDARY PERIOD.............10 SECONDS.
WATER TEMPERATURE
TANAPAG BUOY.......... 85 DEGREES.
WINDS...............WEST TO NORTHWEST AT 10 TO 15 MPH SHIFTING
TO THE SOUTH AROUND MIDNIGHT.
WEDNESDAY
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............1 TO 2 FEET.
EAST FACING REEFS............4 TO 5 FEET.
SOUTH FACING REEFS............1 TO 3 FEET.
WEST FACING REEFS............2 TO 4 FEET.
SWELL/PERIOD
PRIMARY SWELL................EAST AT 4 FEET.
PRIMARY PERIOD...............8 SECONDS.
SECONDARY SWELL..............WEST AT AROUND 2 FEET.
SECONDARY PERIOD.............10 SECONDS.
MAX HEAT INDEX.........AROUND 101.
WINDS...............SOUTH AT 10 TO 15 MPH.
WEDNESDAY NIGHT
RIP CURRENT RISK.....MODERATE *.
SURF HEIGHT
NORTH FACING REEFS............1 TO 2 FEET.
EAST FACING REEFS............5 TO 7 FEET.
SOUTH FACING REEFS............1 TO 2 FEET.
WEST FACING REEFS............2 TO 4 FEET.
SWELL/PERIOD
PRIMARY SWELL................EAST AT 5 FEET.
PRIMARY PERIOD...............8 SECONDS.
SECONDARY SWELL..............WEST AT AROUND 2 FEET.
SECONDARY PERIOD.............10 SECONDS.
WINDS...............SOUTHEAST AT 10 TO 15 MPH.
TIDE INFORMATION FOR THE NEXT 36 HOURS...
AT APRA HARBOR, GUAM...
LOW TIDE 1.3 FEET AT 8:28 PM TUESDAY
HIGH TIDE 2.5 FEET AT 2:51 AM WEDNESDAY
LOW TIDE 0.6 FEET AT 10:09 AM WEDNESDAY
HIGH TIDE 2.0 FEET AT 4:59 PM WEDNESDAY
LOW TIDE 1.6 FEET AT 9:27 PM WEDNESDAY
HIGH TIDE 2.5 FEET AT 3:23 AM THURSDAY
AT ROTA ISLAND...
LOW TIDE 1.2 FEET AT 8:22 PM TUESDAY
HIGH TIDE 2.4 FEET AT 2:48 AM WEDNESDAY
LOW TIDE 0.6 FEET AT 10:03 AM WEDNESDAY
HIGH TIDE 1.9 FEET AT 4:56 PM WEDNESDAY
LOW TIDE 1.5 FEET AT 9:21 PM WEDNESDAY
HIGH TIDE 2.3 FEET AT 3:20 AM THURSDAY
MPZ002-003-232115-
TINIAN-SAIPAN-
412 PM CHST TUE JUN 23 2026
THE ISLANDS OF TINIAN AND SAIPAN ARE NOW UNDER A TROPICAL CYCLONE
WATCH OR WARNING. PLEASE REFER TO THE TROPICAL CYCLONE LOCAL
STATEMENT WTPQ82 PGUM HLSPQ2 FOR MORE UPDATED AND DETAILED SURF ZONE
AND HAZARD INFORMATION.
TIDE INFORMATION FOR THE NEXT 36 HOURS...
AT TINIAN ISLAND...
LOW TIDE 0.4 FEET AT 8:05 PM TUESDAY
HIGH TIDE 1.9 FEET AT 2:49 AM WEDNESDAY
LOW TIDE 0.2 FEET AT 9:46 AM WEDNESDAY
HIGH TIDE 1.5 FEET AT 4:57 PM WEDNESDAY
LOW TIDE 0.5 FEET AT 9:04 PM WEDNESDAY
HIGH TIDE 1.8 FEET AT 3:21 AM THURSDAY
AT TANAPAG HARBOR, SAIPAN...
LOW TIDE 1.1 FEET AT 8:24 PM TUESDAY
HIGH TIDE 2.2 FEET AT 2:52 AM WEDNESDAY
LOW TIDE 0.3 FEET AT 10:22 AM WEDNESDAY
HIGH TIDE 1.6 FEET AT 5:28 PM WEDNESDAY
LOW TIDE 1.3 FEET AT 9:14 PM WEDNESDAY
HIGH TIDE 2.2 FEET AT 3:19 AM THURSDAY
* 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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