SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 5:30 A.M.)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 3:30 A.M. ON 20 OCTOBER 2026

WEATHER SITUATION:

AN EASTERLY AIRSTREAM IS AFFECTING THE SOUTH CHINA COASTAL
WATERS.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

EAST FORCE 4.
VISIBILITY RELATIVELY LOW IN SOME AREAS LATER.
MODERATE SEAS.

NAN'AO AND SHANWEI:
NORTHEAST FORCE 4, OCCASIONALLY FORCE 5.
MODERATE SEAS.

SOUTH OF HONG KONG:
EAST TO NORTHEAST FORCE 4 TO 5.
MODERATE SEAS.

SHANGCHUAN DAO:
EAST TO NORTHEAST FORCE 4, OCCASIONALLY FORCE 5.
ISOLATED SHOWERS AND THUNDERSTORMS.
MODERATE SEAS.

OUTLOOK FOR THE FOLLOWING 48 HOURS

NORTH TO NORTHEASTERLY WINDS OF FORCE 5 TO 6, BECOMING UP
TO FORCE 9 IN EAST. ISOLATED SHOWERS AND THUNDERSTORMS IN
WEST.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND EAST-NORTHEAST FORCE 3 
                   VISIBILITY 34 KILOMETRES

SHANTOU            WIND SOUTHEAST FORCE 1 
                   VISIBILITY 30 KILOMETRES

HUANGMAOZHOU       WIND EAST-NORTHEAST FORCE 4

MACAU              WIND EAST FORCE 2 
                   VISIBILITY 20 KILOMETRES

XISHA              WIND NORTHEAST FORCE 1 
                   VISIBILITY 19 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 03:30 HKT ON 20.10.2026