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 10:10 P.M. ON 27 JULY 2025

WEATHER SITUATION:

A SOUTHWESTERLY AIRSTREAM IS AFFECTING THE SOUTH CHINA
COASTAL WATERS.

THE REMNANT OF CO-MAY HAS INTENSIFIED AGAIN INTO A
TROPICAL DEPRESSION.
 
AT 10 P.M., CO-MAY WITH MAXIMUM SUSTAINED WINDS OF ABOUT 45
KILOMETRES PER HOUR NEAR ITS CENTRE WAS LOCATED AT 26.6
DEGREES NORTH, 129.7 DEGREES EAST. IT IS FORECAST TO BE
SLOW-MOVING AT FIRST, LINGERING OVER THE VICINITY OF THE
RYUKYU ISLANDS, 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 AND SHANWEI:
WEST TO SOUTHWEST FORCE 4 TO 5.
ISOLATED SHOWERS AND SQUALLY 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

--------------------------------------------------------

WAGLAN ISLAND      WIND WEST-SOUTHWEST FORCE 4 
                   VISIBILITY OVER 50 KILOMETRES

SHANTOU            WIND SOUTHEAST FORCE 1 
                   VISIBILITY 30 KILOMETRES

MACAU              WIND SOUTHWEST FORCE 2 
                   VISIBILITY OVER 50 KILOMETRES

XISHA              WIND SOUTHWEST FORCE 3 
                   VISIBILITY 18 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 22:13 HKT ON 27.07.2025