PRESS WEATHER NO. 051 - SOUTH CHINA COASTAL WATERS

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SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 9:45 A.M.)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 5:30 A.M. ON 19 AUGUST 2025

WARNINGS:

SEVERE SQUALLY THUNDERSTORMS IN HONG KONG ADJACENT WATERS.

WEATHER SITUATION:

A SOUTHERLY AIRSTREAM IS AFFECTING THE SOUTH CHINA COASTAL
WATERS. MEANWHILE, SEVERE SQUALLY THUNDERSTORMS ARE
AFFECTING THE VICINITY OF THE PEARL RIVER ESTUARY.

AT 5 A.M., THE TROPICAL DEPRESSION OVER THE NORTHERN PART
OF VIETNAM WITH MAXIMUM SUSTAINED WINDS OF ABOUT 45
KILOMETRES PER HOUR NEAR ITS CENTRE WAS LOCATED AT 21.3
DEGREES NORTH, 107.5 DEGREES EAST. IT IS FORECAST TO MOVE
NORTH AT ABOUT 15 KILOMETRES PER HOUR ENTERING INLAND
GUANGXI.
 
MEANWHILE, THE TROPICAL DEPRESSION OVER THE SEAS EAST OF
TAIWAN WITH MAXIMUM SUSTAINED WINDS OF ABOUT 45 KILOMETRES
PER HOUR NEAR ITS CENTRE WAS LOCATED AT 24.4 DEGREES NORTH,
127.6 DEGREES EAST. IT IS FORECAST TO MOVE NORTH AT ABOUT
18 KILOMETRES PER HOUR TOWARDS THE VICINITY OF THE RYUKYU
ISLANDS.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

SOUTH TO SOUTHEAST FORCE 4 TO 5, OCCASIONALLY GUSTS UP TO
FORCE 10 AT FIRST.
OCCASIONAL HEAVY SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS.

NAN'AO:
SOUTH TO SOUTHEAST FORCE 4 TO 5.
SCATTERED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS.

SHANWEI, SOUTH OF HONG KONG AND SHANGCHUAN DAO:
SOUTH TO SOUTHEAST FORCE 4 TO 5.
OCCASIONAL HEAVY SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS.

OUTLOOK FOR THE FOLLOWING 48 HOURS

SOUTHERLY WINDS OF FORCE 4 TO 5. SCATTERED SHOWERS AND
SQUALLY THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND SOUTHEAST FORCE 5 
                   VISIBILITY 12 KILOMETRES

SHANTOU            WIND SOUTHEAST FORCE 1 
                   VISIBILITY 30 KILOMETRES

HUANGMAOZHOU       WIND SOUTH-SOUTHEAST FORCE 5

MACAU              WIND SOUTHEAST FORCE 2 
                   VISIBILITY 15 KILOMETRES

XISHA              WIND SOUTH-SOUTHEAST FORCE 2 
                   VISIBILITY 18 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 05:35 HKT ON 19.08.2025