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 28 JULY 2025

WARNINGS:

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

WEATHER SITUATION:

A BROAD TROUGH OF LOW PRESSURE IS BRINGING UNSETTLED
WEATHER TO THE SOUTH CHINA COASTAL WATERS.

AT 8 P.M., TROPICAL STORM CO-MAY WITH MAXIMUM SUSTAINED
WINDS OF ABOUT 65 KILOMETRES PER HOUR NEAR ITS CENTRE WAS
LOCATED AT 26.9 DEGREES NORTH, 127.4 DEGREES EAST. IT IS
FORECAST TO MOVE WEST-NORTHWEST AT ABOUT 15 KILOMETRES PER
HOUR ACROSS THE EAST CHINA SEA.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

WEST TO SOUTHWEST FORCE 4 TO 5.
SCATTERED HEAVY SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS.

NAN'AO, SHANWEI, SOUTH OF HONG KONG AND SHANGCHUAN DAO:
WEST TO SOUTHWEST FORCE 4 TO 5, OCCASIONALLY FORCE 6.
SCATTERED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE TO ROUGH 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 15 KILOMETRES

SHANTOU            WIND WEST FORCE 2 
                   VISIBILITY 30 KILOMETRES

HUANGMAOZHOU       WIND WEST-SOUTHWEST FORCE 4

MACAU              WIND SOUTHWEST FORCE 1 
                   VISIBILITY 28 KILOMETRES IN THUNDERSTORMS

XISHA              WIND WEST-SOUTHWEST FORCE 4 
                   VISIBILITY 17 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 19:45 HKT ON 28.07.2025