SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 11:30 P.M.)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 10:15 P.M. ON 22 AUGUST 2025

WARNINGS:

STRONG WINDS IN ALL AREAS.

WEATHER SITUATION:

AT 10 P.M., THE TROPICAL DEPRESSION OVER THE SEAS WEST OF
LUZON WITH MAXIMUM SUSTAINED WINDS OF ABOUT 45 KILOMETRES
PER HOUR NEAR ITS CENTRE WAS LOCATED AT 17.0 DEGREES NORTH,
119.2 DEGREES EAST. IT IS FORECAST TO MOVE WEST AT ABOUT 28
KILOMETRES PER HOUR ACROSS THE CENTRAL AND NORTHERN PARTS
OF THE SOUTH CHINA SEA.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

SOUTH FORCE 3 TO 4, BECOMING EAST TO NORTHEAST UP TO FORCE
6 LATER.
A FEW SHOWERS AND SQUALLY THUNDERSTORMS.
SLIGHT TO MODERATE SEAS, BECOMING ROUGH LATER.

NAN'AO AND SHANWEI:
NORTHEAST FORCE 4, OCCASIONALLY FORCE 5, BECOMING EAST TO
NORTHEAST UP TO FORCE 6.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
MODERATE SEAS, BECOMING ROUGH.

SOUTH OF HONG KONG AND SHANGCHUAN DAO:
SOUTH TO SOUTHEAST FORCE 4, BECOMING NORTHEAST UP TO FORCE
6 LATER.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
MODERATE SEAS, BECOMING ROUGH LATER.

OUTLOOK FOR THE FOLLOWING 48 HOURS

EAST TO NORTHEASTERLY WINDS OF FORCE 6 TO 7, BECOMING
CYCLONIC WINDS UP TO FORCE 10 IN WEST. FREQUENT HEAVY
SQUALLY SHOWERS AND THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND NORTHWEST FORCE 2 
                   VISIBILITY OVER 50 KILOMETRES

SHANTOU            WIND SOUTH-SOUTHEAST FORCE 1 
                   VISIBILITY 16 KILOMETRES

HUANGMAOZHOU       WIND WEST-NORTHWEST FORCE 2

MACAU              WIND SOUTH-SOUTHWEST FORCE 2

XISHA              WIND EAST-NORTHEAST FORCE 1 
                   VISIBILITY 30 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 22:15 HKT ON 22.08.2025