SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 4:30 P.M.)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 12:30 P.M. ON 20 DECEMBER
2021

WARNINGS:

STORM FORCE WINDS IN SHANGCHUAN DAO. GALE FORCE WINDS IN
SOUTH OF HONG KONG. STRONG WINDS IN HONG KONG ADJACENT
WATERS, NAN'AO AND SHANWEI.

WEATHER SITUATION:

THE NORTHEAST MONSOON IS AFFECTING THE SOUTH CHINA COASTAL
WATERS.

AT NOON, SEVERE TROPICAL STORM RAI WITH MAXIMUM SUSTAINED
WINDS OF ABOUT 110 KILOMETRES PER HOUR NEAR ITS CENTRE WAS
LOCATED AT 17.6 DEGREES NORTH, 110.9 DEGREES EAST. IT IS
FORECAST TO MOVE NORTHEAST AT ABOUT 22 KILOMETRES PER HOUR
TOWARDS THE NORTHERN PART OF SOUTH CHINA SEA AND WEAKEN
RAPIDLY.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

EAST TO NORTHEAST FORCE 6 TO 7.
OCCASIONAL RAIN. RAIN WILL BE MORE FREQUENT LATER.
ROUGH SEAS.

NAN'AO AND SHANWEI:
EAST TO NORTHEAST FORCE 6 TO 7.
ROUGH SEAS.

SOUTH OF HONG KONG:
EAST TO NORTHEAST FORCE 7 TO 8, BECOMING CYCLONIC FORCE 6
TO 7 LATER.
SCATTERED SQUALLY SHOWERS AND THUNDERSTORMS.
ROUGH TO VERY ROUGH SEAS.

SHANGCHUAN DAO:
NORTHEAST FORCE 7 TO 8, BECOMING CYCLONIC UP TO FORCE 10.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
ROUGH TO VERY ROUGH SEAS, BECOMING HIGH SEAS.

OUTLOOK FOR THE FOLLOWING 48 HOURS

NORTH TO NORTHEASTERLY WINDS OF FORCE 6 TO 7, CYCLONIC
WINDS OF FORCE 6 TO 7 AT FIRST. OCCASIONAL HEAVY SQUALLY
SHOWERS AND THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND NORTHEAST FORCE 5 
                   VISIBILITY 18 KILOMETRES

SHANTOU            WIND EAST-NORTHEAST FORCE 2 
                   VISIBILITY 5000 METRES IN RAIN

MACAU              WIND NORTH FORCE 4 
                   VISIBILITY 15 KILOMETRES

XISHA              WIND SOUTH-SOUTHWEST FORCE 5 
                   VISIBILITY 7 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 12:33 HKT ON 20.12.2021