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 6 OCTOBER 2023

WARNINGS:

HURRICANE FORCE WINDS IN NAN'AO AND SHANWEI. STRONG WINDS
IN HONG KONG ADJACENT WATERS AND SOUTH OF HONG KONG.

WEATHER SITUATION:

AT 3 A.M., TYPHOON KOINU WITH MAXIMUM SUSTAINED WINDS OF
ABOUT 130 KILOMETRES PER HOUR NEAR ITS CENTRE WAS LOCATED
AT 21.9 DEGREES NORTH, 118.4 DEGREES EAST. IT IS FORECAST
TO MOVE WEST AT ABOUT 10 KILOMETRES PER HOUR ACROSS THE
NORTHEASTERN PART OF THE SOUTH CHINA SEA.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

NORTH FORCE 6, FORCE 7 LATER.
ISOLATED SQUALLY SHOWERS AND THUNDERSTORMS.
ROUGH SEAS.

NAN'AO:
EAST TO SOUTHEAST FORCE 11 TO 12, CYCLONIC UP TO FORCE 12
AT FIRST.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
VERY HIGH TO PHENOMENAL SEAS.

SHANWEI:
NORTH TO NORTHWEST FORCE 7 TO 8, BECOMING CYCLONIC UP TO
FORCE 12 LATER.
FREQUENT SQUALLY SHOWERS AND THUNDERSTORMS.
VERY ROUGH SEAS, BECOMING PHENOMENAL LATER.

SOUTH OF HONG KONG:
NORTH TO NORTHWEST FORCE 6, FORCE 7 LATER.
SCATTERED SQUALLY SHOWERS AND THUNDERSTORMS.
ROUGH SEAS.

SHANGCHUAN DAO:
NORTH FORCE 4 TO 5.
ISOLATED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS.

OUTLOOK FOR THE FOLLOWING 48 HOURS

NORTH TO NORTHWESTERLY WINDS OF FORCE 8 TO 9, CYCLONIC
WINDS OF UP TO FORCE 12 IN EAST AT FIRST. FREQUENT HEAVY
SQUALLY SHOWERS AND THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND NORTH FORCE 5

SHANTOU            WIND NORTH-NORTHWEST FORCE 1 
                   VISIBILITY 30 KILOMETRES

HUANGMAOZHOU       WIND NORTH FORCE 4

MACAU              WIND NORTH FORCE 4 
                   VISIBILITY 20 KILOMETRES

XISHA              WIND NORTH-NORTHWEST FORCE 1 
                   VISIBILITY 30 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 03:30 HKT ON 06.10.2023