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 30 NOVEMBER
2025

WARNINGS:

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

WEATHER SITUATION:

THE NORTHEAST MONSOON IS AFFECTING THE SOUTH CHINA COASTAL
WATERS.

SEVERE TROPICAL STORM KOTO HAS WEAKENED INTO A TROPICAL
STORM.
 
AT 10 A.M., KOTO WITH MAXIMUM SUSTAINED WINDS OF ABOUT 85
KILOMETRES PER HOUR NEAR ITS CENTRE WAS LOCATED AT 14.2
DEGREES NORTH, 112.3 DEGREES EAST. IT IS FORECAST TO MOVE
NORTH-NORTHEAST SLOWLY ACROSS THE CENTRAL AND SOUTHERN
PARTS OF THE SOUTH CHINA SEA.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

EAST TO NORTHEAST FORCE 4 TO 5.
A FEW LIGHT RAIN PATCHES.
MODERATE SEAS.

NAN'AO:
NORTHEAST FORCE 5 TO 6.
ISOLATED SHOWERS AND THUNDERSTORMS.
MODERATE TO ROUGH SEAS.

SHANWEI, SOUTH OF HONG KONG AND SHANGCHUAN DAO:
EAST TO NORTHEAST FORCE 5 TO 6.
ISOLATED SHOWERS AND 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 LATER. ISOLATED SHOWERS AND THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND NORTHEAST FORCE 4 
                   VISIBILITY 26 KILOMETRES

SHANTOU            WIND WEST FORCE 1 
                   VISIBILITY 14 KILOMETRES

HUANGMAOZHOU       WIND EAST FORCE 5

MACAU              WIND NORTH FORCE 2 
                   VISIBILITY 18 KILOMETRES

XISHA              WIND EAST-NORTHEAST FORCE 2 
                   VISIBILITY 14 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 09:46 HKT ON 30.11.2025