SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 7:45 P.M.)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 6:40 P.M. ON 25 JULY 2025

WARNINGS:

SEVERE SQUALLY THUNDERSTORMS IN HONG KONG ADJACENT WATERS.

WEATHER SITUATION:

SEVERE TROPICAL STORM CO-MAY HAS WEAKENED INTO A TROPICAL
STORM.
AT 6 P.M., SEVERE TROPICAL STORM CO-MAY WITH MAXIMUM
SUSTAINED WINDS OF ABOUT 85 KILOMETRES PER HOUR NEAR ITS
CENTRE WAS LOCATED AT 20.8 DEGREES NORTH, 121.9 DEGREES
EAST. IT IS FORECAST TO MOVE NORTHEAST AT ABOUT 40
KILOMETRES PER HOUR ACROSS THE SEAS EAST OF TAIWAN.
 
MEANWHILE, TROPICAL DEPRESSION FRANCISCO WITH MAXIMUM
SUSTAINED WINDS OF ABOUT 55 KILOMETRES PER HOUR NEAR ITS
CENTRE WAS LOCATED AT 26.5 DEGREES NORTH, 122.1 DEGREES
EAST. IT IS FORECAST TO MOVE WEST AT ABOUT 10 KILOMETRES
PER HOUR ACROSS THE EAST CHINA SEA.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

WEST TO SOUTHWEST FORCE 4, GUSTS OCCASIONALLY UP TO FORCE
10 AT FIRST.
SCATTERED SHOWERS AND SEVERE SQUALLY THUNDERSTORMS.
MODERATE SEAS.

NAN'AO:
NORTH TO NORTHWEST FORCE 4 TO 5.
ISOLATED SHOWERS AND THUNDERSTORMS.
MODERATE SEAS.

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

SOUTH OF HONG KONG AND SHANGCHUAN DAO:
WEST TO SOUTHWEST 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, OCCASIONALLY
FORCE 6. SCATTERED SHOWERS AND SQUALLY THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND WEST-SOUTHWEST FORCE 3 
                   VISIBILITY 38 KILOMETRES

SHANTOU            WIND SOUTH FORCE 2 
                   VISIBILITY 30 KILOMETRES

HUANGMAOZHOU       WIND WEST FORCE 3

MACAU              WIND WEST-SOUTHWEST FORCE 3 
                   VISIBILITY OVER 70 KILOMETRES

XISHA              WIND NORTH FORCE 2 
                   VISIBILITY 26 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 18:45 HKT ON 25.07.2025