SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 9:45 A.M.)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 5:30 A.M. ON 21 OCTOBER 2026

WARNINGS:

GALE FORCE WINDS IN NAN'AO. STRONG WINDS IN SHANWEI AND
SOUTH OF HONG KONG.

WEATHER SITUATION:

AN EASTERLY AIRSTREAM IS AFFECTING THE SOUTH CHINA COASTAL
WATERS.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

EAST FORCE 4, BECOMING NORTH TO NORTHEAST FORCE 5 LATER.
VISIBILITY RELATIVELY LOW IN SOME AREAS AT FIRST, ISOLATED
SHOWERS LATER.
MODERATE SEAS.

NAN'AO:
NORTH TO NORTHEAST FORCE 4 TO 5, UP TO FORCE 8 LATER.
MODERATE SEAS, BECOMING VERY ROUGH LATER.

SHANWEI:
EAST TO NORTHEAST FORCE 4, OCCASIONALLY FORCE 5, BECOMING
NORTH UP TO FORCE 7 LATER.
MODERATE SEAS, BECOMING ROUGH LATER.

SOUTH OF HONG KONG:
EAST TO NORTHEAST FORCE 4, OCCASIONALLY FORCE 5, BECOMING
NORTH UP TO FORCE 6 LATER.
MODERATE SEAS, BECOMING ROUGH LATER.

SHANGCHUAN DAO:
EAST TO NORTHEAST FORCE 4, OCCASIONALLY FORCE 5, BECOMING
NORTH UP TO FORCE 5 LATER.
MODERATE SEAS.

OUTLOOK FOR THE FOLLOWING 48 HOURS

NORTHERLY WINDS OF FORCE 6 TO 7, UP TO FORCE 9 IN EAST AT
FIRST, BECOMING NORTHWESTERLY WINDS OF UP TO FORCE 8 LATER.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND VARIABLE FORCE 1 
                   VISIBILITY 16 KILOMETRES

SHANTOU            WIND SOUTHWEST FORCE 1 
                   VISIBILITY 30 KILOMETRES

HUANGMAOZHOU       WIND NORTH-NORTHEAST FORCE 2

MACAU              WIND NORTHWEST FORCE 1 
                   VISIBILITY 28 KILOMETRES

XISHA              WIND EAST-NORTHEAST FORCE 2 
                   VISIBILITY 24 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 05:30 HKT ON 21.10.2026