SOUTH CHINA COASTAL WATERS

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

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 11:30 P.M. ON 18 MAY 2026

WEATHER SITUATION:

AN EASTERLY AIRSTREAM IS AFFECTING THE COASTAL WATERS OF
GUANGDONG. THE EASTERLY AIRSTREAM IS EXPECTED TO BE
REPLACED BY A SOUTHERLY AIRSTREAM GRADUALLY ON TUESDAY.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

EAST FORCE 4 TO 5, BECOMING SOUTH TO SOUTHEAST UP TO FORCE
5 LATER.
SCATTERED SHOWERS AND THUNDERSTORMS.
MODERATE SEAS.

NAN'AO AND SHANWEI:
EAST TO SOUTHEAST FORCE 4 TO 5.
ISOLATED SHOWERS AND THUNDERSTORMS.
MODERATE SEAS.

SOUTH OF HONG KONG:
SOUTHEAST FORCE 4 TO 5.
SCATTERED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS.

SHANGCHUAN DAO:
SOUTH TO SOUTHEAST FORCE 4 TO 5.
SCATTERED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS.

OUTLOOK FOR THE FOLLOWING 48 HOURS

SOUTH TO SOUTHEASTERLY WINDS OF FORCE 4 TO 5. SCATTERED
SHOWERS AND SQUALLY THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND EAST FORCE 5 
                   VISIBILITY 16 KILOMETRES

SHANTOU            WIND EAST-SOUTHEAST FORCE 1 
                   VISIBILITY 30 KILOMETRES

HUANGMAOZHOU       WIND EAST-SOUTHEAST FORCE 5

MACAU              WIND EAST FORCE 3 
                   VISIBILITY 11 KILOMETRES

XISHA              WIND SOUTHEAST FORCE 2 
                   VISIBILITY 14 KILOMETRES IN RAIN

DISPATCHED BY HONG KONG OBSERVATORY AT 23:30 HKT ON 18.05.2026