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 31 OCTOBER
2025

WARNINGS:

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

WEATHER SITUATION:

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.
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 NORTHEAST FORCE 2 
                   VISIBILITY 38 KILOMETRES

SHANTOU            WIND EAST FORCE 1 
                   VISIBILITY 25 KILOMETRES

HUANGMAOZHOU       WIND NORTH-NORTHEAST FORCE 2

MACAU              WIND NORTH-NORTHEAST FORCE 3 
                   VISIBILITY 20 KILOMETRES

XISHA              WIND NORTHEAST FORCE 3 
                   VISIBILITY 11 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 12:30 HKT ON 31.10.2025