SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 7:30 P.M.)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 4:30 P.M. ON 12 AUGUST 2018

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 TROPICAL DEPRESSION OVER THE NORTHERN PART OF THE SOUTH
CHINA SEA HAS INTENSIFIED INTO A TROPICAL STORM.
 
AT 4 P.M., THE TROPICAL STORM OVER THE NORTHERN PART OF THE
SOUTH CHINA SEA WITH MAXIMUM SUSTAINED WINDS OF ABOUT 65
KILOMETRES PER HOUR NEAR ITS CENTRE WAS LOCATED NEAR 21.1
DEGREES NORTH, 112.3 DEGREES EAST. IT IS FORECAST TO MOVE
SLOWLY, LINGERING AROUND THE SEAS OFF THE COAST OF WESTERN
GUANGDONG. 
 
MEANWHILE, TROPICAL STORM YAGI WITH MAXIMUM SUSTAINED WINDS
OF ABOUT 75 KILOMETRES PER HOUR NEAR ITS CENTRE WAS LOCATED
NEAR 27.1 DEGREES NORTH, 123.3 DEGREES EAST. IT IS FORECAST
TO MOVE NORTHWEST AT ABOUT 34 KILOMETRES PER HOUR ACROSS
THE EAST CHINA SEA.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

EAST TO SOUTHEAST FORCE 5 TO 6, OCCASIONALLY FORCE 7.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
ROUGH SEAS.

NAN'AO:
SOUTH FORCE 5 TO 6.
OCCASIONAL SQUALLY SHOWERS AND THUNDERSTORMS.
ROUGH SEAS.

SHANWEI:
SOUTH FORCE 6 TO 7.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
ROUGH SEAS.

SOUTH OF HONG KONG:
SOUTH FORCE 6 TO 7, BECOMING CYCLONIC FORCE 8 LATER.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
ROUGH SEAS, BECOMING VERY ROUGH LATER.

SHANGCHUAN DAO:
CYCLONIC FORCE 8, BECOMING NORTH TO NORTHWEST UP TO FORCE 8
LATER.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
VERY ROUGH SEAS.

OUTLOOK FOR THE FOLLOWING 48 HOURS

CYCLONIC WINDS OF FORCE 8 TO 9. FREQUENT HEAVY SQUALLY
SHOWERS AND THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND EAST-NORTHEAST FORCE 6 
                   VISIBILITY 8 KILOMETRES

SHANTOU            WIND EAST-SOUTHEAST FORCE 2 
                   VISIBILITY 30 KILOMETRES

HUANGMAOZHOU       WIND EAST-NORTHEAST FORCE 4

MACAU              WIND EAST FORCE 4 
                   VISIBILITY 12 KILOMETRES

XISHA              WIND SOUTHWEST FORCE 4 
                   VISIBILITY 10 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 16:31 HKT ON 12.08.2018