SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 11:30 P.M.)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 7:45 P.M. ON 17 OCTOBER 2025

WARNINGS:

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

WEATHER SITUATION:

AN INTENSE NORTHEAST MONSOON IS EXPECTED TO REACH THE SOUTH
CHINA COASTAL WATERS OVER THE WEEKEND.

AT 8 P.M., THE TROPICAL DEPRESSION OVER THE SEAS EAST OF
THE PHILIPPINES WITH MAXIMUM SUSTAINED WINDS OF ABOUT 45
KILOMETRES PER HOUR NEAR ITS CENTRE WAS LOCATED AT 13.4
DEGREES NORTH, 129.5 DEGREES EAST. IT IS FORECAST TO MOVE
WEST AT ABOUT 25 KILOMETRES PER HOUR EDGE CLOSER TO THE
VICINITY OF LUZON AND INTENSIFY GRADUALLY.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

EAST TO NORTHEAST FORCE 4 TO 5.
ISOLATED SHOWERS AND THUNDERSTORMS.
MODERATE SEAS.

NAN'AO:
EAST TO NORTHEAST FORCE 5 TO 6, UP TO FORCE 7 LATER.
ISOLATED SHOWERS AND THUNDERSTORMS.
MODERATE TO ROUGH SEAS.

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

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

OUTLOOK FOR THE FOLLOWING 48 HOURS

EAST TO NORTHEASTERLY WINDS OF FORCE 5 TO 6, BECOMING NORTH
TO NORTHEASTERLY WINDS OF UP TO FORCE 7, UP TO FORCE 8 IN
EAST. FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND EAST FORCE 3 
                   VISIBILITY 18 KILOMETRES

HUANGMAOZHOU       WIND EAST FORCE 5

MACAU              WIND EAST-SOUTHEAST FORCE 2 
                   VISIBILITY 25 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 19:52 HKT ON 17.10.2025