422
FPMY50 PGUM 020437
ZFPGUM

Zone Forecast for Guam and the Northern Marianas
National Weather Service Tiyan GU
237 PM ChST Fri Oct 2 2026

GUZ001-MPZ001-022230-
Guam-Rota-
237 PM ChST Fri Oct 2 2026

...HIGH SURF ADVISORY IN EFFECT UNTIL 4 AM CHST MONDAY ALONG NORTH,
WEST AND SOUTH FACING REEFS...
...WIND ADVISORY IN EFFECT UNTIL 4 AM CHST SUNDAY...
...FLOOD WATCH IN EFFECT THROUGH LATE SUNDAY NIGHT...
...HIGH RISK OF RIP CURRENTS THROUGH LATE SUNDAY NIGHT ALONG NORTH,
WEST AND SOUTH FACING REEFS...

.TONIGHT...Very windy. Southwest winds 25 to 35 mph with gusts to 45
mph. Mostly cloudy with scattered showers and isolated
thunderstorms. Lows around 76. Chance of showers 50 percent.
.SATURDAY...Very windy. Southwest winds 25 to 35 mph with gusts to 45
mph. Partly sunny with scattered showers and isolated thunderstorms.
Highs around 82. Chance of showers 50 percent.
.SATURDAY NIGHT...Windy. Mostly cloudy with scattered showers and
isolated thunderstorms. Southwest winds 20 to 30 mph. Lows around
77. Chance of showers 30 percent.
.SUNDAY AND SUNDAY NIGHT...Windy. Mostly cloudy. Scattered showers
and isolated thunderstorms. Southwest winds 20 to 30 mph. Highs
around 87. Lows around 79. Chance of showers 30 percent.
.MONDAY...Windy. Partly sunny. Isolated showers and thunderstorms.
Southwest winds 25 to 30 mph. Highs around 87. Chance of showers 20
percent.
.MONDAY NIGHT...Breezy. Mostly cloudy with a 30 percent chance of
showers and a slight chance of thunderstorms. Lows in the upper 70s.
.TUESDAY THROUGH THURSDAY NIGHT...Breezy. Mostly cloudy with a
50 percent chance of showers and a slight chance of thunderstorms.
Highs in the mid 80s. Lows in the upper 70s.
.FRIDAY...Partly sunny with a 20 percent chance of showers and
thunderstorms. Highs in the mid 80s.

$$

MPZ002-003-022230-
Tinian-Saipan-
237 PM ChST Fri Oct 2 2026

...HIGH SURF ADVISORY IN EFFECT UNTIL 4 AM CHST MONDAY ALONG NORTH
AND WEST FACING REEFS...
...COASTAL FLOOD WATCH IN EFFECT THROUGH MONDAY EVENING ALONG NORTH
AND WEST FACING REEFS...
...FLOOD WATCH IN EFFECT THROUGH LATE SUNDAY NIGHT...
...HIGH RISK OF RIP CURRENTS THROUGH LATE SUNDAY NIGHT ALONG NORTH
AND WEST FACING REEFS...
...TROPICAL STORM WARNING IN EFFECT...

.TONIGHT...Southwest tropical storm force winds 35 to 45 mph with
gusts to 60 mph. Cloudy with widespread locally heavy showers and
isolated thunderstorms. Lows around 79. Chance of showers 90 percent.
.SATURDAY...Southwest tropical storm force winds 30 to 40 mph with
gusts to 50 mph. Mostly cloudy with scattered showers and isolated
thunderstorms. Highs around 83. Chance of showers 50 percent.
.SATURDAY NIGHT...Very windy. Southwest winds 25 to 35 mph with gusts
to 45 mph. Mostly cloudy with scattered showers and isolated
thunderstorms. Lows around 79. Chance of showers 30 percent.
.SUNDAY AND SUNDAY NIGHT...Windy. Mostly cloudy. Scattered showers
and isolated thunderstorms. Southwest winds 20 to 30 mph with gusts
to 40 mph. Highs around 87. Lows around 78. Chance of showers 30
percent.
.MONDAY...Windy. Partly sunny with isolated showers and
thunderstorms. Southwest winds 20 to 30 mph. Highs around 87. Chance
of showers 20 percent.
.MONDAY NIGHT...Breezy. Mostly cloudy with a 20 percent chance of
showers and thunderstorms. Lows around 78.
.TUESDAY...Breezy. Partly sunny with a 30 percent chance of showers
and a slight chance of thunderstorms. Highs in the upper 80s.
.TUESDAY NIGHT THROUGH THURSDAY...Breezy. Mostly cloudy with a
50 percent chance of showers and a slight chance of thunderstorms.
Lows in the upper 70s. Highs in the mid 80s.
.THURSDAY NIGHT...Mostly cloudy with a 30 percent chance of showers
and a slight chance of thunderstorms. Lows around 78.
.FRIDAY...Partly sunny with a 20 percent chance of showers and
thunderstorms. Highs in the upper 80s.

$$