SOUTH CHINA COASTAL WATERS

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

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 1 A.M. ON 24 AUGUST 2022

WARNINGS:

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

WEATHER SITUATION:

AT 1 A.M., SEVERE TROPICAL STORM MA-ON WITH MAXIMUM
SUSTAINED WINDS OF ABOUT 105 KILOMETRES PER HOUR NEAR ITS
CENTRE WAS LOCATED AT 18.8 DEGREES NORTH, 119.4 DEGREES
EAST. IT IS FORECAST TO MOVE WEST-NORTHWEST AT ABOUT 25
KILOMETRES PER HOUR ACROSS THE NORTHEASTERN PART OF THE
SOUTH CHINA SEA, IN THE GENERAL DIRECTION OF THE COAST OF
WESTERN GUANGDONG, AND INTENSIFY GRADUALLY.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

NORTH TO NORTHEAST FORCE 4 TO 5, UP TO FORCE 10 LATER.
HAZY, A FEW SQUALLY SHOWERS AND THUNDERSTORMS.
MODERATE SEAS, BECOMING HIGH LATER.

NAN'AO:
NORTH TO NORTHEAST FORCE 5 TO 6, BECOMING EAST TO SOUTHEAST
UP TO FORCE 12.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
MODERATE TO ROUGH SEAS, BECOMING PHENOMENAL.

SHANWEI:
NORTH TO NORTHEAST FORCE 4 TO 5, BECOMING CYCLONIC UP TO
FORCE 12.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
MODERATE SEAS, BECOMING PHENOMENAL.

SOUTH OF HONG KONG:
NORTH TO NORTHWEST FORCE 4 TO 5, UP TO FORCE 12 LATER.
OCCASIONAL HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
MODERATE SEAS, BECOMING PHENOMENAL LATER.

SHANGCHUAN DAO:
WEST TO NORTHWEST FORCE 4 TO 5, BECOMING NORTH UP TO FORCE
7 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 12 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-NORTHEAST FORCE 3 
                   VISIBILITY 10 KILOMETRES

MACAU              WIND SOUTH-SOUTHWEST FORCE 2 
                   VISIBILITY 20 KILOMETRES

XISHA              WIND CALM 
                   VISIBILITY 28 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 01:00 HKT ON 24.08.2022