Marine Weather Message
Issued by NWS Tiyan, Guam

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WHGM70 PGUM 160539
MWWGUM

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
339 PM CHST MON JAN 16 2017

PMZ153-154-162100-
/O.NEW.PGUM.SC.Y.0001.170116T0539Z-170119T2000Z/
TINIAN COASTAL WATERS-SAIPAN COASTAL WATERS-
339 PM CHST MON JAN 16 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM FRIDAY...

THE NATIONAL WEATHER SERVICE IN TIYAN HAS ISSUED A SMALL CRAFT
ADVISORY...WHICH IS IN EFFECT UNTIL 6 AM FRIDAY.

A BUILDING NORTH SWELL IS RESULTING IN COMBINED SEAS BETWEEN 8 AND
10 FEET THIS AFTERNOON. SEAS WILL GRADUALLY BUILD THROUGH THE NIGHT
AND ARE EXPECTED TO PEAK NEAR 12 FEET ON WEDNESDAY...BEFORE
BEGINNING TO SUBSIDE. SEAS ARE EXPECTED TO REMAIN ABOVE ADVISORY
LEVELS THROUGH EARLY FRIDAY MORNING.

MODERATE TO FRESH WINDS OVER TINIAN AND SAIPAN WATERS THIS
AFTERNOON ARE ALSO EXPECTED TO GRADUALLY INCREASE...WITH WINDS OF
20 TO 30 KNOTS EXPECTED TUESDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS...SHOULD AVOID SAILING IN THESE CONDITIONS.

&&

$$

PMZ151-152-162100-
/O.NEW.PGUM.SC.Y.0001.170116T1500Z-170119T2000Z/
GUAM COASTAL WATERS-ROTA COASTAL WATERS-
339 PM CHST MON JAN 16 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM TUESDAY TO 6 AM FRIDAY...

THE NATIONAL WEATHER SERVICE IN TIYAN HAS ISSUED A SMALL CRAFT
ADVISORY...WHICH IS IN EFFECT FROM 1 AM TUESDAY TO 6 AM FRIDAY.

A BUILDING NORTH SWELL IS RESULTING IN COMBINED SEAS BETWEEN 8 AND
10 FEET OVER TINIAN AND SAIPAN WATERS THIS AFTERNOON. THIS NORTH
SWELL WILL GRADUALLY MOVE IN TO ROTA AND GUAM WATERS LATER TONIGHT.
SEAS BETWEEN 8 AND 10 FEET ARE EXPECTED TO ARRIVE OVER ROTA AND
NORTHERN GUAM WATERS AROUND 1 AM...AND ARE EXPECTED TO PEAK NEAR 12
FEET ON WEDNESDAY...BEFORE BEGINNING TO SUBSIDE. SEAS ARE EXPECTED TO
REMAIN ABOVE ADVISORY LEVELS THROUGH EARLY FRIDAY MORNING.

MODERATE WINDS ARE ALSO EXPECTED TO GRADUALLY INCREASE OVER GUAM AND
ROTA WATERS ON TUESDAY...WITH WINDS OF 20 TO 25 KNOTS EXPECTED BY
TUESDAY EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS...SHOULD AVOID SAILING IN THESE CONDITIONS.

&&

$$

KLEESCHULTE



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