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 4:15 A.M. ON 18 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.

THE TROPICAL DEPRESSION OVER THE SEAS EAST OF THE
PHILIPPINES HAS INTENSIFIED INTO A TROPICAL STORM AND WAS
NAMED FENGSHEN.
 
AT 4 A.M., TROPICAL STORM FENGSHEN WITH MAXIMUM SUSTAINED
WINDS OF ABOUT 65 KILOMETRES PER HOUR NEAR ITS CENTRE WAS
LOCATED AT 13.1 DEGREES NORTH, 127.6 DEGREES EAST. IT IS
FORECAST TO MOVE WEST AT ABOUT 22 KILOMETRES PER HOUR
EDGING CLOSER TO THE VICINITY OF LUZON AND INTENSIFYING
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, BECOMING UP TO FORCE 7.
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 6 TO 7, BECOMING NORTH
TO NORTHEASTERLY WINDS OF UP TO FORCE 9. FREQUENT HEAVY
SQUALLY SHOWERS AND THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND EAST-NORTHEAST FORCE 4 
                   VISIBILITY 16 KILOMETRES

SHANTOU            WIND EAST-SOUTHEAST FORCE 1 
                   VISIBILITY 29 KILOMETRES

HUANGMAOZHOU       WIND EAST FORCE 4

MACAU              WIND EAST-SOUTHEAST FORCE 2 
                   VISIBILITY 45 KILOMETRES

XISHA              WIND EAST-NORTHEAST FORCE 3 
                   VISIBILITY 13 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 04:15 HKT ON 18.10.2025