SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 4:30 P.M.)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 12:30 P.M. ON 28 OCTOBER
2025

WARNINGS:

GALE FORCE WINDS IN NAN'AO. STRONG WINDS IN HONG KONG
ADJACENT WATERS, SHANWEI, SOUTH OF HONG KONG AND SHANGCHUAN
DAO.

WEATHER SITUATION:

THE NORTHEAST MONSOON IS AFFECTING THE SOUTH CHINA COASTAL
WATERS. AN EASTERLY AIRSTREAM IS EXPECTED TO AFFECT THE
COASTAL WATERS OF GUANGDONG GRADUALLY LATER TODAY.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

NORTH TO NORTHEAST FORCE 4 TO 5, BECOMING EAST UP TO FORCE
6.
ONE OR TWO RAIN PATCHES.
MODERATE SEAS, BECOMING ROUGH.

NAN'AO:
NORTHEAST FORCE 6 TO 7, OCCASIONALLY FORCE 8.
ROUGH TO VERY ROUGH SEAS.

SHANWEI:
EAST TO NORTHEAST FORCE 6 TO 7.
ROUGH SEAS.

SOUTH OF HONG KONG AND SHANGCHUAN DAO:
EAST TO NORTHEAST FORCE 6 TO 7.
ISOLATED SHOWERS AND THUNDERSTORMS.
ROUGH SEAS.

OUTLOOK FOR THE FOLLOWING 48 HOURS

EAST TO NORTHEASTERLY WINDS OF FORCE 6 TO 7, UP TO FORCE 8
IN EAST AT FIRST. SCATTERED SHOWERS AND SQUALLY
THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND NORTH FORCE 4 
                   VISIBILITY 25 KILOMETRES

SHANTOU            WIND WEST-SOUTHWEST FORCE 1 
                   VISIBILITY 15 KILOMETRES

HUANGMAOZHOU       WIND NORTH-NORTHEAST FORCE 4

MACAU              WIND NORTH-NORTHWEST FORCE 2 
                   VISIBILITY 5000 METRES

XISHA              WIND EAST-NORTHEAST FORCE 3 
                   VISIBILITY 8 KILOMETRES IN RAIN

DISPATCHED BY HONG KONG OBSERVATORY AT 12:30 HKT ON 28.10.2025