PRESS WEATHER NO. 046 - SOUTH CHINA COASTAL WATERS

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SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 5:30 A.M.)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 5 A.M. ON 21 AUGUST 2026

WARNINGS:

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

WEATHER SITUATION:

A BROAD TROUGH OF LOW PRESSURE IS BRINGING UNSETTLED
WEATHER TO THE NORTHERN PART OF THE SOUTH CHINA SEA AND THE
COASTAL WATERS OF GUANGDONG.

AT 5 A.M., THE TROPICAL DEPRESSION OVER BEIBU WAN WITH
MAXIMUM SUSTAINED WINDS OF ABOUT 45 KILOMETRES PER HOUR
NEAR ITS CENTRE WAS LOCATED AT 20.1 DEGREES NORTH, 108.7
DEGREES EAST. IT IS FORECAST TO MOVE NORTH SLOWLY,
LINGERING OVER BEIBU WAN.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

SOUTH TO SOUTHEAST FORCE 4 TO 5.
OCCASIONAL HEAVY SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS.

NAN'AO AND SHANWEI:
SOUTH TO SOUTHWEST FORCE 4 TO 5, OCCASIONALLY FORCE 6.
OCCASIONAL HEAVY SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE TO ROUGH SEAS.

SOUTH OF HONG KONG AND SHANGCHUAN DAO:
SOUTH TO SOUTHWEST FORCE 5 TO 6.
OCCASIONAL HEAVY SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE TO ROUGH SEAS.

OUTLOOK FOR THE FOLLOWING 48 HOURS

SOUTHWESTERLY WINDS OF FORCE 5 TO 6, OCCASIONALLY FORCE 7.
OCCASIONAL HEAVY SHOWERS AND SQUALLY THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND WEST-SOUTHWEST FORCE 4 
                   VISIBILITY OVER 50 KILOMETRES

SHANTOU            WIND WEST-SOUTHWEST FORCE 1 
                   VISIBILITY 30 KILOMETRES

HUANGMAOZHOU       WIND WEST-NORTHWEST FORCE 2

MACAU              WIND EAST FORCE 2 
                   VISIBILITY 45 KILOMETRES

XISHA              WIND SOUTH-SOUTHWEST FORCE 5 
                   VISIBILITY 7 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 05:00 HKT ON 21.08.2026