SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 3:30 A.M. TOMORROW, WEDNESDAY)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 11:30 P.M. ON 23 AUGUST 2022

WARNINGS:

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

WEATHER SITUATION:

AT 11 P.M., SEVERE TROPICAL STORM MA-ON WITH MAXIMUM
SUSTAINED WINDS OF ABOUT 90 KILOMETRES PER HOUR NEAR ITS
CENTRE WAS LOCATED AT 18.8 DEGREES NORTH, 120.0 DEGREES
EAST. IT IS FORECAST TO MOVE NORTHWEST OR WEST-NORTHWEST AT
ABOUT 22 KILOMETRES PER HOUR ACROSS THE NORTHEASTERN PART
OF SOUTH CHINA SEA, IN THE GENERAL DIRECTION OF THE COAST
OF WESTERN GUANGDONG.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

NORTH TO NORTHEAST FORCE 4 TO 5, UP TO FORCE 7 LATER.
HAZY, A FEW SQUALLY SHOWERS AND THUNDERSTORMS.
MODERATE SEAS, BECOMING ROUGH LATER.

NAN'AO:
NORTH TO NORTHEAST FORCE 4 TO 5, BECOMING EAST TO SOUTHEAST
UP TO FORCE 11 LATER.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
MODERATE SEAS, BECOMING VERY HIGH LATER.

SHANWEI:
NORTH TO NORTHEAST FORCE 4 TO 5, BECOMING CYCLONIC UP TO
FORCE 11 LATER.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
MODERATE SEAS, BECOMING VERY HIGH LATER.

SOUTH OF HONG KONG:
NORTH TO NORTHWEST FORCE 4 TO 5, UP TO FORCE 11 LATER.
OCCASIONAL HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
MODERATE SEAS, BECOMING VERY HIGH LATER.

SHANGCHUAN DAO:
WEST TO NORTHWEST FORCE 4 TO 5, BECOMING NORTH UP TO FORCE
6 LATER.
SCATTERED SQUALLY SHOWERS AND THUNDERSTORMS.
MODERATE SEAS, BECOMING ROUGH LATER.

OUTLOOK FOR THE FOLLOWING 48 HOURS

SOUTH TO SOUTHWESTERLY WINDS OF FORCE 6 TO 7, CYCLONIC
WINDS OF UP TO FORCE 11 AT FIRST. FREQUENT HEAVY SQUALLY
SHOWERS AND THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND CALM

SHANTOU            WIND WEST-NORTHWEST FORCE 1 
                   VISIBILITY 19 KILOMETRES

DONGSHA            WIND NORTH FORCE 2 
                   VISIBILITY 10 KILOMETRES

MACAU              WIND SOUTH FORCE 2 
                   VISIBILITY 19 KILOMETRES

XISHA              WIND CALM 
                   VISIBILITY 28 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 23:34 HKT ON 23.08.2022