SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 12:30 P.M.)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 9:45 A.M. ON 31 OCTOBER 2025

WARNINGS:

STRONG WINDS IN NAN'AO, SHANWEI, SOUTH OF HONG KONG AND
SHANGCHUAN DAO.

WEATHER SITUATION:

AN EASTERLY AIRSTREAM IS AFFECTING THE COASTAL WATERS OF
GUANGDONG. A NORTHEAST MONSOON IS EXPECTED TO REACH THE
SOUTH CHINA COASTAL WATERS TONIGHT. BESIDES, AN AREA OF LOW
PRESSURE IS BRINGING UNSETTLED WEATHER TO THE CENTRAL AND
SOUTHERN PARTS OF THE SOUTH CHINA SEA.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

NORTHEAST FORCE 4, OCCASIONALLY FORCE 5, BECOMING NORTH
FORCE 5 LATER.
MODERATE SEAS.

NAN'AO AND SHANWEI:
NORTHEAST FORCE 4 TO 5, OCCASIONALLY FORCE 6, UP TO FORCE 7
LATER.
MODERATE TO ROUGH SEAS.

SOUTH OF HONG KONG AND SHANGCHUAN DAO:
EAST TO NORTHEAST FORCE 4 TO 5, OCCASIONALLY FORCE 6.
ISOLATED SHOWERS AND THUNDERSTORMS.
MODERATE TO ROUGH SEAS.

OUTLOOK FOR THE FOLLOWING 48 HOURS

NORTHEASTERLY WINDS OF FORCE 5 TO 6, OCCASIONALLY FORCE 7.
SCATTERED SHOWERS AND SQUALLY THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND NORTH-NORTHEAST FORCE 2 
                   VISIBILITY OVER 50 KILOMETRES

SHANTOU            WIND EAST-NORTHEAST FORCE 1 
                   VISIBILITY 30 KILOMETRES

HUANGMAOZHOU       WIND NORTHEAST FORCE 2

MACAU              WIND NORTH FORCE 2 
                   VISIBILITY 22 KILOMETRES

XISHA              WIND EAST-NORTHEAST FORCE 3 
                   VISIBILITY 9 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 09:45 HKT ON 31.10.2025