625
FZPQ50 PGUM 172003
SRFGUM
SURF ZONE FORECAST FOR THE MARIANA ISLANDS
NATIONAL WEATHER SERVICE TIYAN GU
603 AM CHST SUN APR 18 2021
SYNOPSIS
SWELL FROM DISTANT SUPER TYPHOON SURIGAE WILL MAINTAIN
HAZARDOUS SURF ALONG WEST FACING REEFS THE NEXT FEW DAYS. THE RIP
CURRENT RISK WILL BE HIGH ON WEST FACING REEFS AND MODERATE ON
NORTH...EAST AND SOUTH EXPOSURES THROUGH THE WEEK.
GUZ001>004-180900-
GUAM-ROTA-TINIAN-SAIPAN-
603 AM CHST SUN APR 18 2021
..HIGH SURF ADVISORY REMAINS IN EFFECT ALONG WEST FACING REEFS
36 HOUR SURF ZONE FORECAST FOR THE MARIANAS FROM 600 AM SUNDAY
THROUGH 600 PM MONDAY
TODAY THROUGH MONDAY (6 AM TO 6 PM MONDAY)
COASTAL WINDS............NORTHEAST AT 10 TO 15 MPH...
BECOMING EAST AT 10 TO 15 MPH TONIGHT
SURF ALONG NORTH FACING REEFS............4 TO 6 FEET.
SURF ALONG EAST FACING REEFS............4 TO 6 FEET.
SURF ALONG SOUTH FACING REEFS............5 TO 7 FEET.
SURF ALONG WEST FACING REEFS............9 TO 11 FEET.
PRIMARY SWELL...............WEST AT AROUND 7 FEET.
PRIMARY PERIOD..............12 SECONDS.
SECONDARY SWELL...............NORTHEAST AT AROUND 3 FEET.
SECONDARY PERIOD..............11 SECONDS.
RIP CURRENT RISK.....HIGH. POUNDING SURF WILL PRODUCE LIFE
THREATENING RIP CURRENTS AT REEFS AND
BEACHES.
SEA SURFACE TEMPERATURE AT RITIDIAN BUOY... 84 DEGREES.
MAXIMUM AFTERNOON HEAT INDEX...........AROUND 95.
OUTLOOK
LITTLE CHANGE THE NEXT SEVERAL DAYS.
TIDE INFORMATION FOR THE NEXT 36 HOURS...
AT APRA HARBOR, GUAM...
LOW TIDE 1.6 FEET AT 5:43 AM SUNDAY
HIGH TIDE 2.0 FEET AT 10:14 AM SUNDAY
LOW TIDE 0.1 FEET AT 5:47 PM SUNDAY
HIGH TIDE 2.1 FEET AT 1:35 AM MONDAY
LOW TIDE 1.7 FEET AT 6:46 AM MONDAY
HIGH TIDE 1.9 FEET AT 10:57 AM MONDAY
LOW TIDE 0.1 FEET AT 6:43 PM MONDAY
AT ROTA ISLAND...
HIGH TIDE 1.9 FEET AT 10:11 AM SUNDAY
LOW TIDE 0.1 FEET AT 5:41 PM SUNDAY
HIGH TIDE 2.0 FEET AT 1:32 AM MONDAY
LOW TIDE 1.6 FEET AT 6:40 AM MONDAY
HIGH TIDE 1.8 FEET AT 10:54 AM MONDAY
LOW TIDE 0.1 FEET AT 6:37 PM MONDAY
HIGH TIDE 2.0 FEET AT 2:44 AM TUESDAY
AT TINIAN ISLAND...
LOW TIDE 1.3 FEET AT 5:44 AM SUNDAY
HIGH TIDE 1.4 FEET AT 9:11 AM SUNDAY
LOW TIDE 0.0 FEET AT 5:31 PM SUNDAY
HIGH TIDE 1.5 FEET AT 2:39 AM MONDAY
LOW TIDE 1.3 FEET AT 6:54 AM MONDAY
HIGH TIDE 1.4 FEET AT 9:57 AM MONDAY
LOW TIDE 0.0 FEET AT 6:29 PM MONDAY
AT TANAPAG HARBOR, SAIPAN...
LOW TIDE 1.6 FEET AT 6:00 AM SUNDAY
HIGH TIDE 1.8 FEET AT 9:46 AM SUNDAY
LOW TIDE 0.2 FEET AT 5:54 PM SUNDAY
HIGH TIDE 2.0 FEET AT 2:08 AM MONDAY
LOW TIDE 1.6 FEET AT 7:24 AM MONDAY
HIGH TIDE 1.7 FEET AT 10:27 AM MONDAY
LOW TIDE 0.2 FEET AT 6:53 PM MONDAY
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