Coastal Waters Forecast
Issued by NWS Tiyan, Guam

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
482
FZMY50 PGUM 152017
CWFGUM

Coastal Waters Forecast for the Mariana Islands
National Weather Service Tiyan GU
617 AM ChST Mon Sep 16 2024

Marianas Waters out to 40 nautical miles

PMZ150-160830-
617 AM ChST Mon Sep 16 2024

.Synopsis for Marianas Waters...Near gale monsoon flow will continue
through tonight, as a monsoon surge, induced by a nearby monsoon
disturbance, makes its way across the region. Combined seas of 5 to
7 feet are expected to quickly rise today, peaking at 12 to 15 feet
this afternoon and evening. Sea conditions are expected to be
hazardous to small craft tonight through at least Tuesday morning.

$$

PMZ151>154-160830-
MARIANAS COASTAL WATERS-
617 AM ChST Mon Sep 16 2024

...GALE WATCH IN EFFECT THROUGH LATE TONIGHT...

.TODAY...South wind 30 kt with gusts to 40 kt. Wind waves 4 to 7 ft.
Southwest swell 8 to 10 ft and east 3 ft. Frequent heavy showers and
scattered thunderstorms.
.TONIGHT...South wind 30 kt with gusts to 40 kt. Wind waves 5 to
8 ft. Southwest swell 9 to 11 ft and east 3 ft. Frequent heavy
showers and scattered thunderstorms.
.TUESDAY...Southeast wind 10 to 20 kt. Wind waves 2 to 4 ft.
Southwest swell 6 to 8 ft and east 3 ft. Frequent heavy showers and
isolated thunderstorms.
.TUESDAY NIGHT...Southeast wind 5 to 15 kt. Wind waves 1 to 3 ft.
Mixed swell southwest 5 to 6 ft and east 3 ft. Scattered showers and
isolated thunderstorms.
.WEDNESDAY AND THURSDAY...East wind 5 to 15 kt. Wind waves 1 to 3 ft.
Southwest swell 3 to 4 ft and east 3 ft. Chance of showers and
slight chance of thunderstorms.
.FRIDAY...Southeast wind 10 to 15 kt. Wind waves 2 to 3 ft. Mixed
swell east 3 ft and west 3 ft. Chance of showers and slight chance of
thunderstorms.

$$