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 5:45 P.M. ON 13 DECEMBER
2025

WARNINGS:

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

WEATHER SITUATION:

A COLD FRONT HAS MOVED ACROSS THE SOUTH CHINA COASTAL
WATERS. THE ASSOCIATED NORTHEAST MONSOON IS AFFECTING THE
REGION.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

NORTH TO NORTHEAST FORCE 5 TO 6, OCCASIONALLY FORCE 7.
A FEW RAIN PATCHES.
MODERATE TO ROUGH SEAS.

NAN'AO:
NORTH TO NORTHEAST FORCE 6 TO 7, BECOMING UP TO FORCE 8.
ROUGH SEAS, BECOMING VERY ROUGH.

SHANWEI, SOUTH OF HONG KONG AND SHANGCHUAN DAO:
NORTH TO NORTHEAST FORCE 5 TO 6, OCCASIONALLY FORCE 7.
MODERATE TO ROUGH SEAS.

OUTLOOK FOR THE FOLLOWING 48 HOURS

NORTH TO NORTHEASTERLY WINDS OF FORCE 6 TO 7, BECOMING
EASTERLY WINDS OF UP TO FORCE 7 LATER.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND NORTH FORCE 5 
                   VISIBILITY OVER 50 KILOMETRES

SHANTOU            WIND WEST FORCE 2 
                   VISIBILITY 30 KILOMETRES

HUANGMAOZHOU       WIND NORTH-NORTHWEST FORCE 5

MACAU              WIND NORTH FORCE 3 
                   VISIBILITY 9 KILOMETRES

XISHA              WIND NORTHEAST FORCE 3 
                   VISIBILITY 10 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 17:45 HKT ON 13.12.2025