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 20 MAY 2026

WEATHER SITUATION:

A SOUTHERLY AIRSTREAM IS AFFECTING THE SOUTH CHINA COASTAL
WATERS.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

SOUTH FORCE 4, OCCASIONALLY FORCE 5.
SCATTERED HEAVY SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS.

NAN'AO AND SHANWEI:
SOUTH TO SOUTHEAST FORCE 4, OCCASIONALLY FORCE 5.
ISOLATED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS.

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

OUTLOOK FOR THE FOLLOWING 48 HOURS

SOUTHERLY 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-SOUTHEAST FORCE 2 
                   VISIBILITY 14 KILOMETRES

SHANTOU            WIND EAST FORCE 1 
                   VISIBILITY 15 KILOMETRES

HUANGMAOZHOU       WIND SOUTHEAST FORCE 5

MACAU              WIND SOUTHEAST FORCE 3 
                   VISIBILITY 7 KILOMETRES

XISHA              WIND SOUTH FORCE 2 
                   VISIBILITY 21 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 03:30 HKT ON 20.05.2026