SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 4:30 P.M.)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 12:30 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 NOON, TROPICAL STORM CO-MAY WITH MAXIMUM SUSTAINED WINDS
OF ABOUT 65 KILOMETRES PER HOUR NEAR ITS CENTRE WAS LOCATED
AT 27.6 DEGREES NORTH, 124.4 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.
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 5 TO 6. SCATTERED
SHOWERS AND SQUALLY THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND SOUTHWEST FORCE 3 
                   VISIBILITY 1500 METRES

SHANTOU            WIND WEST FORCE 2 
                   VISIBILITY 30 KILOMETRES

HUANGMAOZHOU       WIND WEST-NORTHWEST FORCE 3

MACAU              WIND WEST-SOUTHWEST FORCE 1 
                   VISIBILITY 27 KILOMETRES

XISHA              WIND SOUTHWEST FORCE 4 
                   VISIBILITY 10 KILOMETRES

VISIBILITY REPORTS IN HONG KONG WATERS AT NOON ON 29 JULY
2025 HONG KONG TIME (NOT TO BE BROADCAST AFTER 1:30 P.M.)
 
KOWLOON BAY                         4600 METRES
VICTORIA HARBOUR                    5000 METRES
WESTERN ANCHORAGE                   5000 METRES
MA WAN                              5000 METRES
TATHONG POINT                       4600 METRES
WEST LAMMA CHANNEL AND CHEUNG CHAU  5000 METRES
EAST LAMMA CHANNEL                  900 METRES
SOUTH LANTAU                        5000 METRES
URMSTON ROAD                        5000 METRES

DISPATCHED BY HONG KONG OBSERVATORY AT 12:30 HKT ON 29.07.2025