SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 7:45 P.M.)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 4:30 P.M. ON 18 AUGUST 2026

WARNINGS:

STRONG WINDS IN ALL AREAS.

WEATHER SITUATION:

A BROAD TROUGH OF LOW PRESSURE IS BRINGING UNSETTLED
WEATHER TO THE COASTAL WATERS OF GUANGDONG AND THE NORTHERN
PART OF THE SOUTH CHINA SEA.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

EAST FORCE 5 TO 6.
SCATTERED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE TO ROUGH SEAS.

NAN'AO AND SHANWEI:
EAST TO NORTHEAST FORCE 5 TO 6.
SCATTERED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE TO ROUGH SEAS.

SOUTH OF HONG KONG AND SHANGCHUAN DAO:
EAST FORCE 5 TO 6.
OCCASIONAL HEAVY SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE TO ROUGH SEAS.

OUTLOOK FOR THE FOLLOWING 48 HOURS

SOUTHEASTERLY WINDS OF FORCE 5 TO 6, UP TO FORCE 7 LATER.
OCCASIONAL HEAVY SHOWERS AND SQUALLY THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND EAST-NORTHEAST FORCE 3 
                   VISIBILITY OVER 50 KILOMETRES

SHANTOU            WIND EAST-SOUTHEAST FORCE 2 
                   VISIBILITY 30 KILOMETRES

HUANGMAOZHOU       WIND EAST-NORTHEAST FORCE 5

MACAU              WIND EAST FORCE 3

XISHA              WIND WEST-SOUTHWEST FORCE 3 
                   VISIBILITY 30 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 16:30 HKT ON 18.08.2026