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 21 MAY 2026

WARNINGS:

SEVERE SQUALLY THUNDERSTORMS IN HONG KONG ADJACENT WATERS.

WEATHER SITUATION:

A SOUTHERLY AIRSTREAM IS AFFECTING THE SOUTH CHINA COASTAL
WATERS. MEANWHILE, SEVERE SQUALLY THUNDERSTORMS ARE
AFFECTING THE VICINITY OF THE PEARL RIVER ESTUARY.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

SOUTH FORCE 4 TO 5, GUSTS OCCASIONALLY UP TO FORCE 10 AT
FIRST.
SCATTERED HEAVY SHOWERS AND SEVERE SQUALLY THUNDERSTORMS.
MODERATE TO ROUGH SEAS.

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

SOUTH OF HONG KONG AND SHANGCHUAN DAO:
SOUTH FORCE 4 TO 5.
SCATTERED HEAVY SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS.

OUTLOOK FOR THE FOLLOWING 48 HOURS

SOUTH TO SOUTHWESTERLY WINDS OF FORCE 4 TO 5. ISOLATED
SHOWERS AND SQUALLY THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND SOUTH FORCE 3 
                   VISIBILITY 11 KILOMETRES

SHANTOU            WIND SOUTHEAST FORCE 1 
                   VISIBILITY 20 KILOMETRES IN RAIN

HUANGMAOZHOU       WIND SOUTH-SOUTHEAST FORCE 4

MACAU              WIND SOUTH-SOUTHEAST FORCE 3 
                   VISIBILITY 5000 METRES

XISHA              WIND SOUTH-SOUTHEAST FORCE 2 
                   VISIBILITY 17 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 12:30 HKT ON 21.05.2026