SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 12:30 P.M.)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 9:45 A.M. ON 22 AUGUST 2025

WARNINGS:

STRONG WINDS IN NAN'AO AND SHANWEI.

WEATHER SITUATION:

AN AREA OF LOW PRESSURE IS BRINGING UNSETTLED WEATHER TO
THE VICINITY OF LUZON.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

SOUTH FORCE 3 TO 4, BECOMING EAST TO NORTHEAST UP TO FORCE
5 LATER.
ISOLATED SHOWERS AND THUNDERSTORMS.
SLIGHT TO MODERATE SEAS.

NAN'AO AND SHANWEI:
NORTHEAST FORCE 4, BECOMING EAST TO NORTHEAST UP TO FORCE 6
LATER.
OCCASIONAL HEAVY SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS, BECOMING ROUGH LATER.

SOUTH OF HONG KONG AND SHANGCHUAN DAO:
SOUTH TO SOUTHEAST FORCE 4, BECOMING NORTHEAST UP TO FORCE
5 LATER.
ISOLATED SHOWERS AND THUNDERSTORMS.
MODERATE SEAS.

OUTLOOK FOR THE FOLLOWING 48 HOURS

EAST TO NORTHEASTERLY WINDS OF FORCE 5 TO 6, UP TO FORCE 8
IN WEST LATER. OCCASIONAL HEAVY SQUALLY SHOWERS AND
THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND VARIABLE FORCE 1 
                   VISIBILITY OVER 50 KILOMETRES

SHANTOU            WIND WEST FORCE 1 
                   VISIBILITY 22 KILOMETRES

HUANGMAOZHOU       WIND NORTHWEST FORCE 2

MACAU              WIND WEST FORCE 1

XISHA              WIND SOUTH-SOUTHEAST FORCE 1 
                   VISIBILITY 25 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 09:45 HKT ON 22.08.2025