SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 9:45 A.M.)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 5:30 A.M. ON 25 JULY 2025

WARNINGS:

STRONG WINDS IN NAN'AO.

WEATHER SITUATION:

AT 5 A.M., SEVERE TROPICAL STORM CO-MAY WITH MAXIMUM
SUSTAINED WINDS OF ABOUT 110 KILOMETRES PER HOUR NEAR ITS
CENTRE WAS LOCATED AT 17.1 DEGREES NORTH, 120.3 DEGREES
EAST. IT IS FORECAST TO MOVE NORTHEAST AT ABOUT 22
KILOMETRES PER HOUR ACROSS THE NORTHERN PART OF LUZON.
 
MEANWHILE, TROPICAL STORM FRANCISCO WITH MAXIMUM SUSTAINED
WINDS OF ABOUT 65 KILOMETRES PER HOUR NEAR ITS CENTRE WAS
LOCATED AT 26.8 DEGREES NORTH, 124.5 DEGREES EAST. IT IS
FORECAST TO MOVE WEST AT ABOUT 18 KILOMETRES PER HOUR
ACROSS THE EAST CHINA SEA.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

WEST TO NORTHWEST FORCE 4.
A FEW SHOWERS AND THUNDERSTORMS.
MODERATE SEAS.

NAN'AO:
NORTH FORCE 4 TO 5, FORCE 6 AT FIRST.
ISOLATED SHOWERS AND THUNDERSTORMS.
MODERATE SEAS, ROUGH AT FIRST.

SHANWEI:
NORTH TO NORTHWEST FORCE 4, OCCASIONALLY FORCE 5.
ISOLATED SHOWERS AND THUNDERSTORMS.
MODERATE SEAS.

SOUTH OF HONG KONG AND SHANGCHUAN DAO:
WEST TO NORTHWEST FORCE 4, OCCASIONALLY FORCE 5.
ISOLATED SHOWERS AND THUNDERSTORMS.
MODERATE SEAS.

OUTLOOK FOR THE FOLLOWING 48 HOURS

WEST TO SOUTHWESTERLY WINDS OF FORCE 4 TO 5. SCATTERED
SHOWERS AND SQUALLY THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND WEST-NORTHWEST FORCE 2 
                   VISIBILITY 47 KILOMETRES

SHANTOU            WIND WEST FORCE 1 
                   VISIBILITY 21 KILOMETRES

HUANGMAOZHOU       WIND WEST-NORTHWEST FORCE 2

MACAU              WIND WEST FORCE 2 
                   VISIBILITY OVER 75 KILOMETRES

XISHA              WIND NORTHWEST FORCE 1 
                   VISIBILITY 30 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 05:30 HKT ON 25.07.2025