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 1:50 A.M. ON 25 AUGUST 2022

WARNINGS:

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

WEATHER SITUATION:

AT 2 A.M., SEVERE TROPICAL STORM MA-ON WITH MAXIMUM
SUSTAINED WINDS OF ABOUT 110 KILOMETRES PER HOUR NEAR ITS
CENTRE WAS LOCATED AT 20.6 DEGREES NORTH, 113.7 DEGREES
EAST. IT IS FORECAST TO MOVE WEST-NORTHWEST AT ABOUT 28
KILOMETRES PER HOUR IN THE GENERAL DIRECTION OF THE COAST
OF WESTERN GUANGDONG.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

EAST TO SOUTHEAST FORCE 9 TO 10, BECOMING FORCE 11, UP TO
FORCE 12 IN SOUTH.
HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
HIGH SEAS, BECOMING PHENOMENAL.

NAN'AO:
SOUTH TO SOUTHEAST FORCE 5 TO 6, FORCE 8 AT FIRST.
OCCASIONAL HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
MODERATE TO ROUGH SEAS, VERY ROUGH AT FIRST.

SHANWEI:
SOUTH TO SOUTHEAST FORCE 6 TO 7, UP TO FORCE 11 AT FIRST.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
ROUGH SEAS, VERY HIGH AT FIRST.

SOUTH OF HONG KONG:
CYCLONIC FORCE 10 TO 11, BECOMING UP TO FORCE 12.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
HIGH TO VERY HIGH SEAS, BECOMING PHENOMENAL.

SHANGCHUAN DAO:
NORTH TO NORTHWEST FORCE 9 TO 10, BECOMING CYCLONIC UP TO
FORCE 12.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
HIGH SEAS, BECOMING PHENOMENAL.

OUTLOOK FOR THE FOLLOWING 48 HOURS

SOUTHERLY WINDS OF FORCE 5 TO 6, UP TO FORCE 8 AT FIRST.
OCCASIONAL SHOWERS AND SQUALLY THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND EAST-SOUTHEAST FORCE 8

SHANTOU            WIND EAST-SOUTHEAST FORCE 1 
                   VISIBILITY 30 KILOMETRES

DONGSHA            WIND SOUTH FORCE 7 
                   VISIBILITY 10 KILOMETRES

MACAU              WIND NORTHEAST FORCE 4 
                   VISIBILITY 20 KILOMETRES

XISHA              WIND NORTHWEST FORCE 3 
                   VISIBILITY 5000 METRES IN RAIN

DISPATCHED BY HONG KONG OBSERVATORY AT 01:52 HKT ON 25.08.2022