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 8 A.M. ON 24 JULY 2025

WARNINGS:

STRONG WINDS IN NAN'AO.

WEATHER SITUATION:

AT 8 A.M., TROPICAL STORM CO-MAY WITH MAXIMUM SUSTAINED
WINDS OF ABOUT 85 KILOMETRES PER HOUR NEAR ITS CENTRE WAS
LOCATED AT 16.2 DEGREES NORTH, 118.3 DEGREES EAST. IT IS
FORECAST TO BE SLOW-MOVING AND LINGER OVER 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 23.8 DEGREES NORTH, 128.0 DEGREES EAST. IT IS
FORECAST TO MOVE WEST-NORTHWEST AT ABOUT 22 KILOMETRES PER
HOUR IN THE GENERAL DIRECTION OF THE VICINITY OF THE RYUKYU
ISLANDS.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

EAST TO NORTHEAST FORCE 4 TO 5.
ISOLATED SHOWERS AND THUNDERSTORMS.
MODERATE SEAS.

NAN'AO:
NORTHEAST FORCE 5 TO 6.
ISOLATED SHOWERS AND THUNDERSTORMS.
MODERATE TO ROUGH SEAS.

SHANWEI:
NORTHEAST FORCE 4 TO 5.
ISOLATED SHOWERS AND THUNDERSTORMS.
MODERATE SEAS.

SOUTH OF HONG KONG:
EAST TO NORTHEAST FORCE 4 TO 5.
ISOLATED SHOWERS AND THUNDERSTORMS.
MODERATE SEAS.

SHANGCHUAN DAO:
EAST TO SOUTHEAST FORCE 4 TO 5.
ISOLATED SHOWERS AND THUNDERSTORMS.
MODERATE SEAS.

OUTLOOK FOR THE FOLLOWING 48 HOURS

NORTHEASTERLY WINDS OF FORCE 4 TO 5, OCCASIONALLY FORCE 6
AT FIRST, BECOMING WESTERLY WINDS OF FORCE 5 LATER.
SCATTERED SHOWERS AND SQUALLY THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND WEST-NORTHWEST FORCE 1 
                   VISIBILITY 27 KILOMETRES

SHANTOU            WIND WEST FORCE 1 
                   VISIBILITY 12 KILOMETRES

HUANGMAOZHOU       WIND NORTH-NORTHWEST FORCE 2

MACAU              WIND NORTH FORCE 2 
                   VISIBILITY 40 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 08:00 HKT ON 24.07.2025