PRESS WEATHER NO. 020 - SOUTH CHINA COASTAL WATERS

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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 17 AUGUST 2026

WEATHER SITUATION:

A BROAD TROUGH OF LOW PRESSURE IS AFFECTING THE SOUTH CHINA
COASTAL WATERS.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

SOUTHWEST FORCE 3 TO 4, BECOMING EAST TO NORTHEAST FORCE 4
LATER.
SCATTERED SHOWERS AND SQUALLY THUNDERSTORMS.
SLIGHT TO MODERATE SEAS.

NAN'AO AND SHANWEI:
WEST TO SOUTHWEST FORCE 4, OCCASIONALLY FORCE 5, BECOMING
EAST TO NORTHEAST UP TO FORCE 5.
OCCASIONAL HEAVY SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS.

SOUTH OF HONG KONG AND SHANGCHUAN DAO:
WEST TO SOUTHWEST FORCE 4, OCCASIONALLY FORCE 5.
SCATTERED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS.

OUTLOOK FOR THE FOLLOWING 48 HOURS

EAST TO NORTHEASTERLY WINDS OF FORCE 4 TO 5, OCCASIONALLY
FORCE 6. OCCASIONAL HEAVY SHOWERS AND SQUALLY THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND WEST-SOUTHWEST FORCE 3 
                   VISIBILITY 40 KILOMETRES

SHANTOU            WIND WEST-SOUTHWEST FORCE 1 
                   VISIBILITY 13 KILOMETRES

HUANGMAOZHOU       WIND WEST-SOUTHWEST FORCE 4

MACAU              WIND SOUTHWEST FORCE 2 
                   VISIBILITY 35 KILOMETRES

XISHA              WIND SOUTHWEST FORCE 3 
                   VISIBILITY 18 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 03:30 HKT ON 17.08.2026