SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 5:30 A.M.)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 4:10 A.M. ON 21 JULY 2021

WARNINGS:

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

WEATHER SITUATION:

AT 4 A.M., SEVERE TROPICAL STORM CEMPAKA WITH MAXIMUM
SUSTAINED WINDS OF ABOUT 90 KILOMETRES PER HOUR NEAR ITS
CENTRE WAS LOCATED AT 21.8 DEGREES NORTH, 111.4 DEGREES
EAST. IT IS FORECAST TO MOVE WEST-NORTHWEST AT ABOUT 10
KILOMETRES PER HOUR ACROSS THE COASTAL AREAS OF WESTERN
GUANGDONG.
 
MEANWHILE, TYPHOON IN-FA WITH MAXIMUM SUSTAINED WINDS OF
ABOUT 140 KILOMETRES PER HOUR NEAR ITS CENTRE WAS LOCATED
AT 24.3 DEGREES NORTH, 128.0 DEGREES EAST. IT IS FORECAST
TO MOVE WEST AT ABOUT 10 KILOMETRES PER HOUR TOWARDS THE
SEAS EAST OF TAIWAN AND INTENSIFY GRADUALLY.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

EAST TO SOUTHEAST FORCE 5 TO 6.
HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
ROUGH SEAS.

NAN'AO AND SHANWEI:
EAST TO SOUTHEAST FORCE 4 TO 5, OCCASIONALLY FORCE 6.
SCATTERED SQUALLY SHOWERS AND THUNDERSTORMS.
MODERATE TO ROUGH SEAS.

SOUTH OF HONG KONG:
SOUTH TO SOUTHEAST FORCE 6 TO 7.
HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
ROUGH SEAS.

SHANGCHUAN DAO:
SOUTH FORCE 8 TO 9, UP TO FORCE 10 AT FIRST.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
VERY ROUGH TO HIGH SEAS.

OUTLOOK FOR THE FOLLOWING 48 HOURS

WEST TO SOUTHWESTERLY WINDS OF FORCE 5 TO 6, OCCASIONALLY
FORCE 7. SQUALLY SHOWERS AND THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND EAST-SOUTHEAST FORCE 4 
                   VISIBILITY 17 KILOMETRES

SHANTOU            WIND EAST-NORTHEAST FORCE 2 
                   VISIBILITY 30 KILOMETRES

DONGSHA            WIND EAST-SOUTHEAST FORCE 3 
                   VISIBILITY 10 KILOMETRES

HUANGMAOZHOU       WIND EAST-SOUTHEAST FORCE 4

MACAU              WIND EAST-SOUTHEAST FORCE 2 
                   VISIBILITY 12 KILOMETRES

XISHA              WIND SOUTHWEST FORCE 3 
                   VISIBILITY 3100 METRES

DISPATCHED BY HONG KONG OBSERVATORY AT 04:10 HKT ON 21.07.2021