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 13 SEPTEMBER
2026

WARNINGS:

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

WEATHER SITUATION:

THE NORTHEAST MONSOON IS AFFECTING THE COASTAL WATERS OF
GUANGDONG. MEANWHILE, SEVERE SQUALLY THUNDERSTORMS ARE
AFFECTING THE VICINITY OF THE PEARL RIVER ESTUARY.

AT NOON, THE TROPICAL DEPRESSION OVER THE CENTRAL PART OF
THE SOUTH CHINA SEA WITH MAXIMUM SUSTAINED WINDS OF ABOUT
45 KILOMETRES PER HOUR NEAR ITS CENTRE WAS LOCATED AT 17.2
DEGREES NORTH, 107.6 DEGREES EAST. IT IS FORECAST TO MOVE
WEST-NORTHWEST AT ABOUT 12 KILOMETRES PER HOUR TOWARDS THE
COAST OF VIETNAM.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

EAST FORCE 5 TO 6, GUSTS OCCASIONALLY UP TO FORCE 11 AT
FIRST.
OCCASIONAL HEAVY SHOWERS AND SEVERE SQUALLY THUNDERSTORMS.
ROUGH SEAS.

NAN'AO:
NORTHEAST FORCE 5 TO 6, UP TO FORCE 7 LATER.
SCATTERED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE TO ROUGH SEAS.

SHANWEI:
EAST TO NORTHEAST FORCE 5 TO 6.
SCATTERED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE TO ROUGH SEAS.

SOUTH OF HONG KONG AND SHANGCHUAN DAO:
EAST TO SOUTHEAST FORCE 5 TO 6.
OCCASIONAL HEAVY SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE TO ROUGH SEAS.

OUTLOOK FOR THE FOLLOWING 48 HOURS

EAST TO NORTHEASTERLY WINDS OF FORCE 5 TO 6, UP TO FORCE 7
IN EAST. OCCASIONAL HEAVY SHOWERS AND SQUALLY THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND EAST-NORTHEAST FORCE 5 
                   VISIBILITY 37 KILOMETRES

SHANTOU            WIND EAST FORCE 2 
                   VISIBILITY 30 KILOMETRES

HUANGMAOZHOU       WIND NORTHEAST FORCE 5

MACAU              WIND EAST-NORTHEAST FORCE 3 
                   VISIBILITY 22 KILOMETRES

XISHA              WIND SOUTHEAST FORCE 2 
                   VISIBILITY 12 KILOMETRES IN RAIN

DISPATCHED BY HONG KONG OBSERVATORY AT 12:30 HKT ON 13.09.2026