SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 7:45 P.M.)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 4:30 P.M. ON 29 JULY 2025

WARNINGS:

SEVERE SQUALLY THUNDERSTORMS IN HONG KONG ADJACENT WATERS.
STRONG WINDS IN ALL AREAS.

WEATHER SITUATION:

A BROAD TROUGH OF LOW PRESSURE IS BRINGING UNSETTLED
WEATHER TO THE SOUTH CHINA COASTAL WATERS. MEANWHILE,
SEVERE SQUALLY THUNDERSTORMS ARE AFFECTING THE VICINITY OF
THE PEARL RIVER ESTUARY.

AT 4 P.M., TROPICAL STORM CO-MAY WITH MAXIMUM SUSTAINED
WINDS OF ABOUT 65 KILOMETRES PER HOUR NEAR ITS CENTRE WAS
LOCATED AT 28.3 DEGREES NORTH, 124.1 DEGREES EAST. IT IS
FORECAST TO MOVE NORTHWEST AT ABOUT 15 KILOMETRES PER HOUR
ACROSS THE EAST CHINA SEA IN GENERAL DIRECTION OF THE
VICINITY OF THE COAST OF EASTERN CHINA.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

WEST TO SOUTHWEST FORCE 4 TO 5, OCCASIONALLY FORCE 6, GUSTS
OCCASIONALLY UP TO FORCE 10 AT FIRST.
OCCASIONAL HEAVY SHOWERS AND SEVERE SQUALLY THUNDERSTORMS.
ROUGH SEAS.

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

OUTLOOK FOR THE FOLLOWING 48 HOURS

WEST TO SOUTHWESTERLY WINDS OF FORCE 4 TO 5, OCCASIONALLY
FORCE 6. SCATTERED SHOWERS AND SQUALLY THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND WEST-SOUTHWEST FORCE 3 
                   VISIBILITY 22 KILOMETRES

SHANTOU            WIND SOUTHEAST FORCE 2 
                   VISIBILITY 30 KILOMETRES

HUANGMAOZHOU       WIND WEST-SOUTHWEST FORCE 4

MACAU              WIND SOUTHWEST FORCE 2 
                   VISIBILITY 13 KILOMETRES IN THUNDERSTORMS

XISHA              WIND SOUTHWEST FORCE 5 
                   VISIBILITY 9 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 16:30 HKT ON 29.07.2025