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 28 NOVEMBER
2025

WARNINGS:

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

WEATHER SITUATION:

THE NORTHEAST MONSOON IS AFFECTING THE SOUTH CHINA COASTAL
WATERS.

TYPHOON KOTO HAS WEAKENED INTO A SEVERE TROPICAL STORM.
 
AT 3 A.M., KOTO WITH MAXIMUM SUSTAINED WINDS OF ABOUT 110
KILOMETRES PER HOUR NEAR ITS CENTRE WAS LOCATED AT 12.8
DEGREES NORTH, 113.0 DEGREES EAST. IT IS FORECAST TO MOVE
WEST SLOWLY ACROSS THE SOUTHERN PART OF THE SOUTH CHINA SEA.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

NORTH FORCE 5 TO 6, BECOMING EAST TO NORTHEAST UP TO FORCE
6 LATER.
MODERATE TO ROUGH SEAS.

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

SHANWEI, SOUTH OF HONG KONG AND SHANGCHUAN DAO:
NORTH TO NORTHEAST FORCE 6 TO 7, OCCASIONALLY FORCE 8,
BECOMING EAST TO NORTHEAST UP TO FORCE 7 LATER.
ROUGH TO VERY ROUGH SEAS.

OUTLOOK FOR THE FOLLOWING 48 HOURS

EAST TO NORTHEASTERLY WINDS OF FORCE 6 TO 7. ISOLATED
SHOWERS AND THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND NORTH FORCE 5 
                   VISIBILITY OVER 50 KILOMETRES

SHANTOU            WIND EAST-SOUTHEAST FORCE 1 
                   VISIBILITY 30 KILOMETRES

HUANGMAOZHOU       WIND NORTH-NORTHEAST FORCE 5

MACAU              WIND NORTH-NORTHEAST FORCE 4 
                   VISIBILITY 45 KILOMETRES

XISHA              WIND NORTHEAST FORCE 4 
                   VISIBILITY 2000 METRES IN RAIN

DISPATCHED BY HONG KONG OBSERVATORY AT 03:30 HKT ON 28.11.2025