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 12 APRIL 2025

WARNINGS:

SEVERE SQUALLY THUNDERSTORMS IN ALL AREAS. GALE FORCE WINDS
IN ALL AREAS. FOG IN HONG KONG ADJACENT WATERS, NAN'AO AND
SHANWEI.

WEATHER SITUATION:

A SOUTHERLY AIRSTREAM IS AFFECTING THE SOUTH CHINA COASTAL
WATERS. BESIDES, A TROUGH OF LOW PRESSURE IS EXPECTED TO
DEVELOP INTO A COLD FRONT GRADUALLY, AND MOVE ACROSS THE
COASTAL WATERS OF GUANGDONG LATER TODAY. THE ASSOCIATED
SHOWERS AND SEVERE SQUALLY THUNDERSTORMS WILL AFFECT THE
REGION DURING THE DAY 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 LATER.
OCCASIONAL HEAVY SHOWERS AND SEVERE SQUALLY THUNDERSTORMS.
FOG PATCHES AT FIRST.
MODERATE TO ROUGH SEAS, BECOMING VERY ROUGH LATER.

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

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

OUTLOOK FOR THE FOLLOWING 48 HOURS

NORTH TO NORTHEASTERLY WINDS OF FORCE 5 TO 6, UP TO FORCE 8
AT FIRST. OCCASIONAL HEAVY SHOWERS AND SQUALLY
THUNDERSTORMS AT FIRST.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND SOUTH FORCE 5 
                   VISIBILITY 10 KILOMETRES

SHANTOU            WIND SOUTH-SOUTHEAST FORCE 1 
                   VISIBILITY 6 KILOMETRES

HUANGMAOZHOU       WIND SOUTH FORCE 4

MACAU              WIND SOUTH FORCE 2 
                   VISIBILITY 2800 METRES IN MIST

XISHA              WIND SOUTH-SOUTHEAST FORCE 2 
                   VISIBILITY 17 KILOMETRES

VISIBILITY REPORTS IN HONG KONG WATERS AT 3 A.M. ON 12
APRIL 2025 HONG KONG TIME (NOT TO BE BROADCAST AFTER 4:30
A.M.)
 
KOWLOON BAY                         3700 METRES
VICTORIA HARBOUR                    7 KILOMETRES
WESTERN ANCHORAGE                   5000 METRES
MA WAN                              3700 METRES
TATHONG POINT                       3700 METRES
EAST LAMMA CHANNEL                  9 KILOMETRES
SOUTH LANTAU                        7 KILOMETRES
URMSTON ROAD                        5000 METRES

DISPATCHED BY HONG KONG OBSERVATORY AT 03:30 HKT ON 12.04.2025