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 5:15 P.M. ON 13 AUGUST 2026

WARNINGS:

SEVERE SQUALLY THUNDERSTORMS IN HONG KONG ADJACENT WATERS.
STRONG WINDS IN NAN'AO, SHANWEI, SOUTH OF HONG KONG AND
SHANGCHUAN DAO.

WEATHER SITUATION:

A SOUTHWESTERLY 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:

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

NAN'AO, SHANWEI AND SOUTH OF HONG KONG:
SOUTHWEST FORCE 4 TO 5, BECOMING UP TO FORCE 6.
SCATTERED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS, BECOMING ROUGH.

SHANGCHUAN DAO:
SOUTHWEST FORCE 4 TO 5, BECOMING UP TO FORCE 6.
OCCASIONAL HEAVY SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS, BECOMING ROUGH.

OUTLOOK FOR THE FOLLOWING 48 HOURS

WEST TO SOUTHWESTERLY 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-SOUTHWEST FORCE 4 
                   VISIBILITY 43 KILOMETRES

SHANTOU            WIND SOUTH-SOUTHEAST FORCE 2 
                   VISIBILITY 30 KILOMETRES

HUANGMAOZHOU       WIND SOUTH FORCE 4

MACAU              WIND SOUTH FORCE 2

XISHA              WIND SOUTHWEST FORCE 3 
                   VISIBILITY 15 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 17:15 HKT ON 13.08.2026