619
FPMY50 PGUM 021217
ZFPGUM

Zone Forecast for Guam and the Northern Marianas
National Weather Service Tiyan GU
1017 PM ChST Fri Oct 2 2026

GUZ001-MPZ001-022245-
Guam-Rota-
1017 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...Windy. Southwest winds 25 to 35 mph with gusts to 50 mph.
Mostly cloudy with scattered showers and isolated thunderstorms.
Locally heavy showers possible. Lows around 76. Chance of showers 50
percent.
.SATURDAY...Windy. Southwest winds 25 to 35 mph with gusts to 45
mph. Partly sunny with scattered showers and isolated thunderstorms.
Locally heavy showers possible. Highs around 84. Chance of showers
50 percent.
.SATURDAY NIGHT...Windy. Mostly cloudy with scattered showers and
isolated thunderstorms. Southwest winds 20 to 30 mph with gusts to 40
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 with gusts
to 40 mph. Highs around 87. Lows around 77. Chance of showers 30
percent.
.MONDAY...Windy. Partly sunny. Isolated showers and thunderstorms.
Southwest winds 25 to 30 mph with gusts to 40 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.

$$

MPZ002-003-022245-
Tinian-Saipan-
1017 PM ChST Fri Oct 2 2026


...TROPICAL STORM WARNING IN EFFECT...
...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...

.TONIGHT...Tropical storm conditions occurring. Southwest winds 35
to 45 mph with gusts to 60 mph. Cloudy with widespread heavy showers
and isolated thunderstorms. Lows around 76. Chance of showers near
100 percent.
.SATURDAY...Tropical storm conditions expected. Southwest winds 35
to 45 mph with gusts to 60 mph. Mostly cloudy with scattered showers
and isolated thunderstorms. Highs around 83. Chance of showers 50
percent.
.SATURDAY NIGHT...Tropical storm conditions possible. Southwest
winds 30 to 40 mph with gusts to 50 mph. Mostly cloudy with
scattered showers and isolated thunderstorms. Lows around 77. Chance
of showers 30 percent.
.SUNDAY AND SUNDAY NIGHT...Windy. Mostly cloudy. Scattered showers
and isolated thunderstorms. Southwest winds 25 to 35 mph with gusts
to 50 mph. Highs around 87. Lows around 80. Chance of showers 30
percent.
.MONDAY...Windy. Partly sunny with isolated showers and
thunderstorms. Southwest winds 25 to 35 mph with gusts to 50 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 80.
.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 lower 80s. Highs in the mid 80s.
.THURSDAY NIGHT...Mostly cloudy with a 30 percent chance of showers
and a slight chance of thunderstorms. Lows around 80.
.FRIDAY...Partly sunny with a 20 percent chance of showers and
thunderstorms. Highs in the upper 80s.

$$