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 5 OCTOBER 2023

WARNINGS:

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

WEATHER SITUATION:

AT 3 A.M., SEVERE TYPHOON KOINU WITH MAXIMUM SUSTAINED
WINDS OF ABOUT 175 KILOMETRES PER HOUR NEAR ITS CENTRE WAS
LOCATED AT 21.9 DEGREES NORTH, 121.2 DEGREES EAST. IT IS
FORECAST TO MOVE WEST AT ABOUT 10 KILOMETRES PER HOUR,
SKIRTING THE SOUTHERN PART OF TAIWAN.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

NORTH FORCE 4 TO 5, UP TO FORCE 6 LATER.
ISOLATED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS, BECOMING ROUGH LATER.

NAN'AO:
NORTH TO NORTHWEST FORCE 7 TO 8, UP TO FORCE 12 LATER.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
ROUGH TO VERY ROUGH SEAS, BECOMING PHENOMENAL LATER.

SHANWEI:
NORTH TO NORTHWEST FORCE 4 TO 5, UP TO FORCE 8 LATER.
OCCASIONAL SQUALLY SHOWERS AND THUNDERSTORMS.
MODERATE SEAS, BECOMING VERY ROUGH LATER.

SOUTH OF HONG KONG:
NORTH TO NORTHWEST FORCE 4 TO 5, UP TO FORCE 6 LATER.
ISOLATED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS, BECOMING ROUGH LATER.

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

OUTLOOK FOR THE FOLLOWING 48 HOURS

NORTH TO NORTHWESTERLY WINDS OF FORCE 6 TO 7, BECOMING
CYCLONIC WINDS UP TO FORCE 12 IN EAST. FREQUENT HEAVY
SQUALLY SHOWERS AND THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND NORTH-NORTHWEST FORCE 5

SHANTOU            WIND WEST FORCE 1 
                   VISIBILITY 30 KILOMETRES

HUANGMAOZHOU       WIND NORTHWEST FORCE 4

MACAU              WIND NORTHWEST FORCE 2 
                   VISIBILITY 14 KILOMETRES

XISHA              WIND NORTHEAST FORCE 1 
                   VISIBILITY 17 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 03:31 HKT ON 05.10.2023