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 31 JULY 2026

WARNINGS:

SEVERE SQUALLY THUNDERSTORMS IN HONG KONG ADJACENT WATERS.

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. BESIDES, SEVERE SQUALLY
THUNDERSTORMS ARE AFFECTING THE VICINITY OF THE PEARL RIVER
ESTUARY.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

EAST TO SOUTHEAST FORCE 4 TO 5, GUSTS OCCASIONALLY UP TO
FORCE 11 AT FIRST.
OCCASIONAL HEAVY SHOWERS AND SEVERE SQUALLY THUNDERSTORMS.
MODERATE TO ROUGH SEAS.

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

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

OUTLOOK FOR THE FOLLOWING 48 HOURS

SOUTH TO SOUTHEASTERLY WINDS OF FORCE 4 TO 5, OCCASIONALLY
FORCE 6. OCCASIONAL HEAVY SHOWERS AND SQUALLY THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND SOUTH-SOUTHEAST FORCE 3 
                   VISIBILITY 1600 METRES

SHANTOU            WIND NORTHWEST FORCE 1 
                   VISIBILITY 30 KILOMETRES

HUANGMAOZHOU       WIND NORTH FORCE 4

MACAU              WIND NORTH-NORTHWEST FORCE 1 
                   VISIBILITY 4300 METRES IN RAIN

XISHA              WIND SOUTH-SOUTHWEST FORCE 4 
                   VISIBILITY 18 KILOMETRES

VISIBILITY REPORTS IN HONG KONG WATERS AT NOON ON 31 JULY
2026 HONG KONG TIME (NOT TO BE BROADCAST AFTER 1:30 P.M.)
 
KOWLOON BAY                         1800 METRES
VICTORIA HARBOUR                    1800 METRES
WESTERN ANCHORAGE                   2700 METRES
MA WAN                              2700 METRES
TATHONG POINT                       5000 METRES
WEST LAMMA CHANNEL AND CHEUNG CHAU  900 METRES
SOUTH LANTAU                        5000 METRES
URMSTON ROAD                        3700 METRES

DISPATCHED BY HONG KONG OBSERVATORY AT 12:30 HKT ON 31.07.2026