159
FPMY50 PGUM 110632
ZFPGUM
ZONE FORECAST FOR GUAM AND THE NORTHERN MARIANAS
NATIONAL WEATHER SERVICE TIYAN GU
432 PM CHST SAT APR 11 2026
GUZ001-112145-
GUAM-
432 PM CHST SAT APR 11 2026
...HIGH SURF ADVISORY IN EFFECT UNTIL 6 PM CHST SUNDAY ALONG
NORTH, EAST AND SOUTH FACING REEFS...
...HIGH RIP CURRENT RISK IN EFFECT THROUGH SUNDAY AFTERNOON ALONG
NORTH, EAST AND SOUTH FACING REEFS...
..TYPHOON WATCH IN EFFECT
...HIGH SURF WARNING IN EFFECT FROM 6 PM SUNDAY TO 6 PM CHST
THURSDAY ALONG NORTH, EAST AND SOUTH FACING REEFS...
...FLOOD WATCH IN EFFECT FROM SUNDAY EVENING THROUGH WEDNESDAY
MORNING...
...COASTAL FLOOD WATCH IN EFFECT FROM MONDAY MORNING THROUGH
WEDNESDAY AFTERNOON...
TONIGHT
WINDY. PARTLY CLOUDY. ISOLATED SHOWERS. NORTHEAST WINDS 25
TO 30 MPH. LOWS AROUND 77. CHANCE OF SHOWERS 30 PERCENT.
SUNDAY
WINDY. PARTLY SUNNY. ISOLATED SHOWERS IN THE MORNING, THEN
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS IN THE AFTERNOON.
NORTHEAST WINDS 25 TO 35 MPH. HIGHS AROUND 86. CHANCE OF SHOWERS 50
PERCENT.
SUNDAY NIGHT
VERY WINDY. NORTH WINDS 30 TO 40 MPH. MOSTLY CLOUDY
WITH SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS. LOWS AROUND 78.
CHANCE OF SHOWERS 50 PERCENT.
MONDAY
TROPICAL STORM CONDITIONS POSSIBLE.
NORTH WINDS 35 TO 45 MPH. MOSTLY CLOUDY WITH SCATTERED SHOWERS AND
ISOLATED THUNDERSTORMS. HIGHS AROUND 84. CHANCE OF SHOWERS 50
PERCENT.
MONDAY NIGHT
TYPHOON CONDITIONS POSSIBLE. WINDS 45 TO 55 MPH
INCREASING TO 70 TO 80 MPH AFTER MIDNIGHT POSSIBLE. CLOUDY.
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS IN THE EVENING, THEN
HEAVY SHOWERS AND SCATTERED THUNDERSTORMS AFTER MIDNIGHT. LOCALLY
HEAVY RAINFALL POSSIBLE. LOWS AROUND 79. CHANCE OF SHOWERS 90
PERCENT.
TUESDAY
TYPHOON CONDITIONS POSSIBLE. WINDS 115 TO 135 MPH
WITH GUSTS TO 150 MPH POSSIBLE. CLOUDY. TORRENTIAL RAIN AND
SCATTERED THUNDERSTORMS. HIGHS AROUND 83. CHANCE OF SHOWERS 90
PERCENT.
TUESDAY NIGHT
TROPICAL STORM CONDITIONS POSSIBLE. CLOUDY.
NUMEROUS HEAVY SHOWERS AND ISOLATED THUNDERSTORMS IN THE EVENING,
THEN SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS AFTER MIDNIGHT.
LOWS IN THE UPPER 70S. CHANCE OF SHOWERS 70 PERCENT.
WEDNESDAY AND WEDNESDAY NIGHT
TROPICAL STORM CONDITIONS POSSIBLE.
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
HIGHS IN THE LOW 80S. LOWS IN THE UPPER 70S. CHANCE OF SHOWERS 50
PERCENT.
THURSDAY
WINDY. PARTLY SUNNY WITH A 30 PERCENT CHANCE OF SHOWERS
AND A SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE MID 80S.
THURSDAY NIGHT
BREEZY. MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF
SHOWERS. LOWS IN THE UPPER 70S.
FRIDAY THROUGH SATURDAY
BREEZY. PARTLY CLOUDY WITH A 20 PERCENT
CHANCE OF SHOWERS. HIGHS IN THE UPPER 80S. LOWS IN THE UPPER 70S.
MPZ001-112145-
ROTA-
432 PM CHST SAT APR 11 2026
...HIGH SURF ADVISORY IN EFFECT UNTIL 6 PM CHST SUNDAY ALONG
NORTH, EAST AND SOUTH FACING REEFS...
...HIGH RIP CURRENT RISK IN EFFECT THROUGH SUNDAY AFTERNOON ALONG
NORTH, EAST AND SOUTH FACING REEFS...
..TYPHOON WATCH IN EFFECT
...HIGH SURF WARNING IN EFFECT FROM 6 PM SUNDAY TO 6 PM CHST
THURSDAY ALONG NORTH, EAST AND SOUTH FACING REEFS...
...FLOOD WATCH IN EFFECT FROM SUNDAY EVENING THROUGH WEDNESDAY
MORNING...
...COASTAL FLOOD WATCH IN EFFECT FROM MONDAY MORNING THROUGH
WEDNESDAY AFTERNOON...
TONIGHT
WINDY. PARTLY CLOUDY WITH ISOLATED SHOWERS IN THE
EVENING, THEN MOSTLY CLOUDY WITH SCATTERED SHOWERS AFTER MIDNIGHT.
NORTHEAST WINDS 25 TO 35 MPH. LOWS AROUND 78. CHANCE OF SHOWERS 30
PERCENT.
SUNDAY
WINDY. PARTLY SUNNY WITH SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. NORTHEAST WINDS 25 TO 35 MPH. HIGHS AROUND 85. CHANCE
OF SHOWERS 50 PERCENT.
SUNDAY NIGHT
VERY WINDY. NORTHEAST WINDS 30 TO 40 MPH. MOSTLY
CLOUDY WITH SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS. LOWS
AROUND 80. CHANCE OF SHOWERS 50 PERCENT.
MONDAY
TROPICAL STORM CONDITIONS POSSIBLE. NORTH TO NORTHEAST
WINDS 40 TO 50 MPH POSSIBLE. MOSTLY CLOUDY WITH SCATTERED SHOWERS
AND ISOLATED THUNDERSTORMS. HIGHS AROUND 84. CHANCE OF SHOWERS 50
PERCENT.
MONDAY NIGHT
TYPHOON CONDITIONS POSSIBLE. NORTHEAST WINDS 50 TO
60 MPH INCREASING TO 65 TO 75 MPH WITH GUSTS TO 85 MPH AFTER
MIDNIGHT POSSIBLE. CLOUDY. NUMEROUS HEAVY SHOWERS AND ISOLATED
THUNDERSTORMS IN THE EVENING, THEN HEAVY SHOWERS AND SCATTERED
THUNDERSTORMS AFTER MIDNIGHT. LOCALLY HEAVY RAINFALL POSSIBLE. LOWS
AROUND 80. CHANCE OF SHOWERS 90 PERCENT.
TUESDAY
TYPHOON CONDITIONS POSSIBLE. WINDS 80 TO 115 MPH WITH
GUSTS TO 125 MPH POSSIBLE. CLOUDY. TORRENTIAL RAIN AND SCATTERED
THUNDERSTORMS. HIGHS AROUND 83. CHANCE OF SHOWERS 90 PERCENT.
TUESDAY NIGHT
TROPICAL STORM CONDITIONS POSSIBLE. CLOUDY. HEAVY
SHOWERS AND ISOLATED THUNDERSTORMS IN THE EVENING, THEN NUMEROUS
SHOWERS AND ISOLATED THUNDERSTORMS AFTER MIDNIGHT. LOWS AROUND 80.
CHANCE OF SHOWERS 90 PERCENT.
WEDNESDAY
TROPICAL STORM CONDITIONS POSSIBLE. MOSTLY CLOUDY WITH
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS. HIGHS IN THE MID 80S.
CHANCE OF SHOWERS 50 PERCENT.
WEDNESDAY NIGHT AND THURSDAY
WINDY. MOSTLY CLOUDY. SCATTERED
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS AROUND 80. HIGHS
IN THE MID 80S. CHANCE OF SHOWERS 50 PERCENT.
THURSDAY NIGHT
BREEZY. MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF
SHOWERS. LOWS IN THE UPPER 70S.
FRIDAY THROUGH SATURDAY
BREEZY. PARTLY CLOUDY WITH A 20 PERCENT
CHANCE OF SHOWERS. HIGHS IN THE MID 80S. LOWS IN THE UPPER 70S.
MPZ002-003-112145-
TINIAN-SAIPAN-
432 PM CHST SAT APR 11 2026
...HIGH SURF ADVISORY IN EFFECT UNTIL 6 PM CHST SUNDAY ALONG
NORTH, EAST AND SOUTH FACING REEFS...
...HIGH RIP CURRENT RISK IN EFFECT THROUGH SUNDAY AFTERNOON ALONG
NORTH, EAST AND SOUTH FACING REEFS...
..TYPHOON WATCH IN EFFECT
...HIGH SURF WARNING IN EFFECT FROM 6 PM SUNDAY TO 6 PM CHST
THURSDAY ALONG NORTH, EAST AND SOUTH FACING REEFS...
...FLOOD WATCH IN EFFECT FROM SUNDAY EVENING THROUGH WEDNESDAY
MORNING...
...COASTAL FLOOD WATCH IN EFFECT FROM MONDAY MORNING THROUGH
WEDNESDAY AFTERNOON...
TONIGHT
WINDY. PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY
CLOUDY AFTER MIDNIGHT. ISOLATED SHOWERS. NORTHEAST WINDS 25 TO 35
MPH. LOWS AROUND 78. CHANCE OF SHOWERS 20 PERCENT.
SUNDAY
WINDY. PARTLY SUNNY WITH SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. NORTHEAST WINDS 25 TO 35 MPH. HIGHS AROUND 85. CHANCE
OF SHOWERS 50 PERCENT.
SUNDAY NIGHT
VERY WINDY. NORTHEAST WINDS 30 TO 40 MPH. MOSTLY
CLOUDY WITH SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS. LOWS
AROUND 78. CHANCE OF SHOWERS 50 PERCENT.
MONDAY
TROPICAL STORM CONDITIONS POSSIBLE. NORTHEAST WINDS 35 TO
45 MPH. MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. HIGHS AROUND 85. CHANCE OF SHOWERS 50 PERCENT.
MONDAY NIGHT AND TUESDAY
TROPICAL STORM CONDITIONS POSSIBLE WITH
TYPHOON CONDITIONS ALSO POSSIBLE. SOUTHEAST WINDS 50 TO 60 MPH WITH
GUSTS TO 75 MPH. CLOUDY WITH NUMEROUS HEAVY SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS AROUND 80. HIGHS AROUND 83. CHANCE OF SHOWERS 70
PERCENT.
TUESDAY NIGHT
TROPICAL STORM CONDITIONS POSSIBLE. CLOUDY.
NUMEROUS HEAVY SHOWERS AND ISOLATED THUNDERSTORMS. LOWS AROUND 80.
CHANCE OF SHOWERS 70 PERCENT.
WEDNESDAY AND WEDNESDAY NIGHT
TROPICAL STORM CONDITIONS POSSIBLE.
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
HIGHS IN THE MID 80S. LOWS AROUND 80. CHANCE OF SHOWERS 50 PERCENT.
THURSDAY
WINDY. PARTLY SUNNY WITH A 30 PERCENT CHANCE OF SHOWERS
AND A SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE MID 80S.
THURSDAY NIGHT
BREEZY. MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF
SHOWERS. LOWS IN THE UPPER 70S.
FRIDAY THROUGH SATURDAY
BREEZY. PARTLY CLOUDY WITH A 20 PERCENT
CHANCE OF SHOWERS. HIGHS IN THE MID 80S. LOWS IN THE UPPER 70S.
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