SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 3:30 A.M. TOMORROW, TUESDAY)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 11:30 P.M. ON 20 DECEMBER
2021

WARNINGS:

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

WEATHER SITUATION:

THE NORTHEAST MONSOON IS AFFECTING THE SOUTH CHINA COASTAL
WATERS.

AT 11 P.M., TROPICAL STORM RAI WITH MAXIMUM SUSTAINED WINDS
OF ABOUT 85 KILOMETRES PER HOUR NEAR ITS CENTRE WAS LOCATED
AT 19.4 DEGREES NORTH, 112.4 DEGREES EAST. IT IS FORECAST
TO MOVE NORTHEAST AT ABOUT 22 KILOMETRES PER HOUR ACROSS
THE NORTHERN PART OF THE SOUTH CHINA SEA AND WEAKEN
GRADUALLY.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

NORTH TO NORTHEAST FORCE 6 TO 7.
OCCASIONAL RAIN.
ROUGH SEAS.

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

SHANWEI:
EAST TO NORTHEAST FORCE 6 TO 7, BECOMING CYCLONIC FORCE 6
TO 7 LATER.
SCATTERED SQUALLY SHOWERS AND THUNDERSTORMS.
ROUGH SEAS.

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

SHANGCHUAN DAO:
NORTH TO NORTHWEST FORCE 7 TO 8, CYCLONIC UP TO FORCE 9 AT
FIRST.
SCATTERED SQUALLY SHOWERS AND THUNDERSTORMS.
ROUGH TO VERY ROUGH SEAS, HIGH AT FIRST.

OUTLOOK FOR THE FOLLOWING 48 HOURS

NORTHEASTERLY WINDS OF FORCE 5 TO 6, UP TO FORCE 7 IN EAST.
SCATTERED SQUALLY SHOWERS AND THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND EAST-NORTHEAST FORCE 7 
                   VISIBILITY 13 KILOMETRES

SHANTOU            WIND EAST FORCE 1 
                   VISIBILITY 11 KILOMETRES

XISHA              WIND WEST-NORTHWEST FORCE 3 
                   VISIBILITY 4000 METRES IN RAIN

DISPATCHED BY HONG KONG OBSERVATORY AT 23:30 HKT ON 20.12.2021