SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 11:30 P.M.)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 7:45 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 8 P.M., SEVERE TROPICAL STORM RAI WITH MAXIMUM SUSTAINED
WINDS OF ABOUT 90 KILOMETRES PER HOUR NEAR ITS CENTRE WAS
LOCATED AT 19.0 DEGREES NORTH, 112.1 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
RAPIDLY.

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.
OCCASIONAL HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
ROUGH TO VERY ROUGH SEAS.

SHANGCHUAN DAO:
NORTH TO NORTHWEST FORCE 7 TO 8, CYCLONIC UP TO FORCE 10 AT
FIRST.
OCCASIONAL HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
ROUGH TO VERY ROUGH SEAS, HIGH AT FIRST.

OUTLOOK FOR THE FOLLOWING 48 HOURS

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

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND NORTHEAST FORCE 5

SHANTOU            WIND EAST-SOUTHEAST FORCE 1 
                   VISIBILITY 3300 METRES IN RAIN

MACAU              WIND NORTH FORCE 4 
                   VISIBILITY 10 KILOMETRES

XISHA              WIND SOUTHWEST FORCE 6

DISPATCHED BY HONG KONG OBSERVATORY AT 19:49 HKT ON 20.12.2021