SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 7:45 P.M.)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 6:55 P.M. ON 23 SEPTEMBER
2021

WARNINGS:

STRONG WINDS IN ALL AREAS.

WEATHER SITUATION:

AN EASTERLY AIRSTREAM IS AFFECTING THE COASTAL WATERS OF
GUANGDONG.

BESIDES, TROPICAL DEPRESSION DIANMU HAS INTENSIFIED INTO A
TROPICAL STORM.
 
AT 7 P.M., DIANMU WITH MAXIMUM SUSTAINED WINDS OF ABOUT 65
KILOMETRES PER HOUR NEAR ITS CENTRE WAS LOCATED AT 15.2
DEGREES NORTH, 109.6 DEGREES EAST. IT IS FORECAST TO MOVE
WEST-NORTHWEST AT ABOUT 22 KILOMETRES PER HOUR TOWARDS THE
VICINITY OF THE CENTRAL PART OF VIETNAM.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

EAST FORCE 4 TO 5, BECOMING FORCE 6.
OCCASIONAL SHOWERS AND SQUALLY THUNDERSTORMS. SHOWERS WILL
BE HEAVIER IN SOME AREAS AT FIRST.
MODERATE SEAS, BECOMING ROUGH.

NAN'AO:
EAST TO SOUTHEAST FORCE 4 TO 5, BECOMING FORCE 6.
ISOLATED SHOWERS AND THUNDERSTORMS.
MODERATE SEAS, BECOMING ROUGH.

SHANWEI AND SOUTH OF HONG KONG:
EAST TO SOUTHEAST FORCE 4 TO 5, BECOMING FORCE 6.
SCATTERED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS, BECOMING ROUGH.

SHANGCHUAN DAO:
EAST TO SOUTHEAST FORCE 4 TO 5, BECOMING UP TO FORCE 7.
SCATTERED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS, BECOMING ROUGH.

OUTLOOK FOR THE FOLLOWING 48 HOURS

EAST TO SOUTHEASTERLY WINDS OF FORCE 5 TO 6. ISOLATED
SHOWERS AND SQUALLY THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND EAST-NORTHEAST FORCE 4 
                   VISIBILITY 49 KILOMETRES

SHANTOU            WIND SOUTHEAST FORCE 2 
                   VISIBILITY 30 KILOMETRES

HUANGMAOZHOU       WIND NORTHEAST FORCE 3

MACAU              WIND SOUTH-SOUTHWEST FORCE 1 
                   VISIBILITY 9 KILOMETRES IN THUNDERSTORMS

XISHA              WIND EAST-SOUTHEAST FORCE 3 
                   VISIBILITY 8 KILOMETRES IN RAIN

DISPATCHED BY HONG KONG OBSERVATORY AT 18:56 HKT ON 23.09.2021