SOUTH CHINA COASTAL WATERS

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

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 11:30 P.M. ON 18 AUGUST 2025

WEATHER SITUATION:

AT 11 P.M., THE TROPICAL DEPRESSION OVER BEIBU WAN WITH
MAXIMUM SUSTAINED WINDS OF ABOUT 45 KILOMETRES PER HOUR
NEAR ITS CENTRE WAS LOCATED AT 20.4 DEGREES NORTH, 107.7
DEGREES EAST. IT IS FORECAST TO MOVE NORTH AT ABOUT 15
KILOMETRES PER HOUR TOWARDS THE VICINITY OF THE COAST OF
NORTHERN PART OF VIETNAM TO 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 23.4 DEGREES NORTH,
127.2 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:

EAST TO SOUTHEAST FORCE 4 TO 5, BECOMING SOUTH UP TO FORCE
5.
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 EAST FORCE 5 
                   VISIBILITY 21 KILOMETRES

SHANTOU            WIND SOUTH FORCE 2 
                   VISIBILITY 30 KILOMETRES IN RAIN

HUANGMAOZHOU       WIND EAST-SOUTHEAST FORCE 4

MACAU              WIND EAST-SOUTHEAST FORCE 2 
                   VISIBILITY 15 KILOMETRES IN RAIN

XISHA              WIND SOUTH-SOUTHWEST FORCE 4 
                   VISIBILITY 19 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 23:30 HKT ON 18.08.2025