SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 12:30 P.M.)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 9:45 A.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.

TYPHOON RAI HAS WEAKENED INTO A SEVERE TROPICAL STORM.
 
AT 10 A.M., RAI WITH MAXIMUM SUSTAINED WINDS OF ABOUT 110
KILOMETRES PER HOUR NEAR ITS CENTRE WAS LOCATED AT 17.3
DEGREES NORTH, 110.8 DEGREES EAST. IT IS FORECAST TO MOVE
NORTH-NORTHEAST AT ABOUT 22 KILOMETRES PER HOUR ACROSS THE
CENTRAL PART OF THE SOUTH CHINA SEA AND WEAKEN GRADUALLY.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

EAST TO NORTHEAST FORCE 6 TO 7.
OCCASIONAL RAIN, HEAVY AT TIMES 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.

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 6

SHANTOU            WIND SOUTH-SOUTHWEST FORCE 1 
                   VISIBILITY 4000 METRES IN RAIN

MACAU              WIND NORTHEAST FORCE 3 
                   VISIBILITY 17 KILOMETRES

XISHA              WIND SOUTH-SOUTHEAST FORCE 4 
                   VISIBILITY 6 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 09:45 HKT ON 20.12.2021