PRESS WEATHER NO. 016 - SOUTH CHINA COASTAL WATERS

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SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 3:30 A.M.)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 1:55 A.M. ON 28 JULY 2025

WEATHER SITUATION:

A SOUTHWESTERLY AIRSTREAM IS AFFECTING THE SOUTH CHINA
COASTAL WATERS.

TROPICAL DEPRESSION CO-MAY HAS INTENSIFIED INTO A TROPICAL
STORM.
 
AT 2 A.M., CO-MAY WITH MAXIMUM SUSTAINED WINDS OF ABOUT 65
KILOMETRES PER HOUR NEAR ITS CENTRE WAS LOCATED AT 26.5
DEGREES NORTH, 129.5 DEGREES EAST. IT IS FORECAST TO BE
SLOW-MOVING AT FIRST, LINGERING OVER THE VICINITY OF THE
RYUKYU ISLANDS, AND THEN 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:

SOUTHWEST FORCE 4, OCCASIONALLY FORCE 5.
SCATTERED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS.

NAN'AO:
WEST TO SOUTHWEST FORCE 4 TO 5.
SCATTERED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS.

SHANWEI, SOUTH OF HONG KONG AND SHANGCHUAN DAO:
WEST TO SOUTHWEST FORCE 4 TO 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 4 
                   VISIBILITY OVER 50 KILOMETRES

SHANTOU            WIND WEST FORCE 1 
                   VISIBILITY 30 KILOMETRES

HUANGMAOZHOU       WIND SOUTHEAST FORCE 4

MACAU              WIND SOUTHWEST FORCE 2

XISHA              WIND SOUTHWEST FORCE 3 
                   VISIBILITY 18 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 01:55 HKT ON 28.07.2025