271
FZPQ50 PGUM 160506
SRFGUM
SURF ZONE FORECAST FOR THE MARIANA ISLANDS
NATIONAL WEATHER SERVICE TIYAN GU
306 PM CHST FRI OCT 16 2026
DISCUSSION
THERE WILL BE A MODERATE RISK OF RIP CURRENTS THROUGH
LATE TONIGHT. THE RIP RISK WILL THEN START RISING RAPIDLY, WITH
DANGEROUS RIP CURRENTS AND SURF LIKELY SATURDAY THROUGH SUNDAY, WITH
SURF HEIGHTS UP TO 25 FEET. THERE WILL ALSO BE A HIGH RISK OF
LIGHTNING SATURDAY NIGHT THROUGH MONDAY. COASTAL FLOODING IS
POSSIBLE ALONG ALL REEFS, DEPENDING ON ACTUAL TRACK OF TS CHAMPI.
GUZ001-MPZ001-161300-
GUAM-ROTA-
306 PM CHST FRI OCT 16 2026
..TYPHOON WARNING NOW IN EFFECT
...HIGH SURF WARNING IN EFFECT FROM 5 PM SATURDAY TO 4 AM CHST
MONDAY ALONG EAST FACING REEFS...
...COASTAL FLOOD WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH
LATE SUNDAY NIGHT ALONG ALL REEFS...
THE ISLANDS OF GUAM AND ROTA ARE NOW UNDER A TYPHOON 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 APRA HARBOR, GUAM...
LOW TIDE 1.6 FEET AT 5:35 PM FRIDAY
HIGH TIDE 1.9 FEET AT 9:39 PM FRIDAY
LOW TIDE 0.0 FEET AT 5:31 AM SATURDAY
HIGH TIDE 1.9 FEET AT 1:44 PM SATURDAY
LOW TIDE 1.6 FEET AT 6:48 PM SATURDAY
HIGH TIDE 1.8 FEET AT 10:21 PM SATURDAY
LOW TIDE 0.1 FEET AT 6:27 AM SUNDAY
AT ROTA ISLAND...
LOW TIDE 1.5 FEET AT 5:29 PM FRIDAY
HIGH TIDE 1.7 FEET AT 9:36 PM FRIDAY
LOW TIDE 0.0 FEET AT 5:25 AM SATURDAY
HIGH TIDE 1.8 FEET AT 1:41 PM SATURDAY
LOW TIDE 1.5 FEET AT 6:42 PM SATURDAY
HIGH TIDE 1.7 FEET AT 10:18 PM SATURDAY
LOW TIDE 0.1 FEET AT 6:21 AM SUNDAY
MPZ002-003-161300-
TINIAN-SAIPAN-
306 PM CHST FRI OCT 16 2026
..TROPICAL STORM WARNING NOW IN EFFECT
...HIGH SURF WARNING IN EFFECT FROM 5 PM SATURDAY TO 4 AM CHST
MONDAY ALONG EAST FACING REEFS...
...COASTAL FLOOD WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH
LATE SUNDAY NIGHT ALONG ALL REEFS...
THE ISLANDS OF TINIAN AND SAIPAN ARE NOW UNDER A TROPICAL STORM
WARNING AND TYPHOON WATCH. 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 0.5 FEET AT 5:12 PM FRIDAY
HIGH TIDE 1.4 FEET AT 9:37 PM FRIDAY
LOW TIDE 0.0 FEET AT 5:08 AM SATURDAY
HIGH TIDE 1.4 FEET AT 1:42 PM SATURDAY
LOW TIDE 0.5 FEET AT 6:25 PM SATURDAY
HIGH TIDE 1.3 FEET AT 10:19 PM SATURDAY
LOW TIDE 0.0 FEET AT 6:04 AM SUNDAY
AT TANAPAG HARBOR, SAIPAN...
HIGH TIDE 1.9 FEET AT 1:00 PM FRIDAY
LOW TIDE 1.7 FEET AT 5:44 PM FRIDAY
HIGH TIDE 1.8 FEET AT 9:16 PM FRIDAY
LOW TIDE 0.2 FEET AT 5:44 AM SATURDAY
HIGH TIDE 1.9 FEET AT 2:02 PM SATURDAY
LOW TIDE 1.7 FEET AT 7:08 PM SATURDAY
HIGH TIDE 1.7 FEET AT 9:38 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.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page