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 12 APRIL 2025

WARNINGS:

SEVERE SQUALLY THUNDERSTORMS IN ALL AREAS. GALE FORCE WINDS
IN ALL AREAS. FOG IN NAN'AO AND SHANWEI.

WEATHER SITUATION:

A SOUTHERLY AIRSTREAM IS AFFECTING THE SOUTH CHINA COASTAL
WATERS. BESIDES, A TROUGH OF LOW PRESSURE HAS DEVELOPED
INTO A COLD FRONT. THE COLD FRONT IS MOVING SOUTHWARDS
GRADUALLY, IT IS EXPECTED TO REACH THE COASTAL WATERS OF
GUANGDONG IN THE AFTERNOON TO EVENING TODAY. THE ASSOCIATED
SHOWERS AND SEVERE SQUALLY THUNDERSTORMS WILL AFFECT THE
REGION IN THE AFTERNOON TO EVENING TODAY.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

SOUTH FORCE 4 TO 5, GUSTS OCCASIONALLY UP TO FORCE 10,
BECOMING NORTH UP TO FORCE 8.
OCCASIONAL HEAVY SHOWERS AND SEVERE SQUALLY THUNDERSTORMS,
MIST PATCHES AT FIRST.
MODERATE TO ROUGH SEAS, BECOMING VERY ROUGH.

NAN'AO AND SHANWEI:
SOUTH TO SOUTHWEST FORCE 4 TO 5, GUSTS OCCASIONALLY UP TO
FORCE 10, BECOMING NORTH UP TO FORCE 8.
OCCASIONAL HEAVY SHOWERS AND SEVERE SQUALLY THUNDERSTORMS,
FOG PATCHES AT FIRST.
MODERATE TO ROUGH SEAS, BECOMING VERY ROUGH.

SOUTH OF HONG KONG AND SHANGCHUAN DAO:
SOUTH FORCE 4 TO 5, GUSTS OCCASIONALLY UP TO FORCE 10,
BECOMING NORTH UP TO FORCE 8.
OCCASIONAL HEAVY SHOWERS AND SEVERE SQUALLY THUNDERSTORMS.
MODERATE TO ROUGH SEAS, BECOMING VERY ROUGH.

OUTLOOK FOR THE FOLLOWING 48 HOURS

NORTH TO NORTHEASTERLY WINDS OF FORCE 4 TO 5, UP TO FORCE 7
AT FIRST. SCATTERED SHOWERS AND SQUALLY THUNDERSTORMS AT
FIRST.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND SOUTHWEST FORCE 5 
                   VISIBILITY 11 KILOMETRES

SHANTOU            WIND SOUTH-SOUTHEAST FORCE 2 
                   VISIBILITY 14 KILOMETRES

HUANGMAOZHOU       WIND SOUTH-SOUTHWEST FORCE 4

MACAU              WIND SOUTH-SOUTHWEST FORCE 2 
                   VISIBILITY 7 KILOMETRES

XISHA              WIND SOUTH-SOUTHWEST FORCE 3 
                   VISIBILITY 14 KILOMETRES

VISIBILITY REPORTS IN HONG KONG WATERS AT 9 A.M. ON 12
APRIL 2025 HONG KONG TIME (NOT TO BE BROADCAST AFTER 10:45
A.M.)
 
KOWLOON BAY                         3700 METRES
VICTORIA HARBOUR                    3700 METRES
WESTERN ANCHORAGE                   5000 METRES
MA WAN                              5000 METRES
TATHONG POINT                       3700 METRES
WEST LAMMA CHANNEL AND CHEUNG CHAU  7 KILOMETRES
EAST LAMMA CHANNEL                  5000 METRES
SOUTH LANTAU                        2700 METRES
URMSTON ROAD                        7 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 09:49 HKT ON 12.04.2025