SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 5:30 A.M.)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 3:30 A.M. ON 31 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.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

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

NAN'AO, SHANWEI AND SOUTH OF HONG KONG:
WEST TO SOUTHWEST FORCE 4 TO 5, OCCASIONALLY FORCE 6.
OCCASIONAL HEAVY SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE TO ROUGH SEAS.

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

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 SOUTHWEST FORCE 5 
                   VISIBILITY 19 KILOMETRES

SHANTOU            WIND WEST FORCE 1 
                   VISIBILITY 30 KILOMETRES IN RAIN

HUANGMAOZHOU       WIND WEST-SOUTHWEST FORCE 5

MACAU              WIND SOUTHWEST FORCE 3 
                   VISIBILITY 13 KILOMETRES IN THUNDERSTORMS

XISHA              WIND SOUTHWEST FORCE 4 
                   VISIBILITY 10 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 03:30 HKT ON 31.07.2025