SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 3:30 A.M.)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 2 A.M. ON 7 OCTOBER 2023

WARNINGS:

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

WEATHER SITUATION:

TYPHOON KOINU HAS INTENSIFIED INTO A SEVERE TYPHOON.
 
AT 2 A.M., KOINU WITH MAXIMUM SUSTAINED WINDS OF ABOUT 155
KILOMETRES PER HOUR NEAR ITS CENTRE WAS LOCATED AT 21.1
DEGREES NORTH, 115.8 DEGREES EAST. IT IS FORECAST TO MOVE
WEST AT ABOUT 10 KILOMETRES PER HOUR ACROSS THE COASTAL
WATERS OF GUANGDONG.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

NORTH FORCE 8 TO 9, UP TO FORCE 11 LATER.
FREQUENT SQUALLY SHOWERS AND THUNDERSTORMS.
VERY ROUGH SEAS, BECOMING VERY HIGH LATER.

NAN'AO:
EAST TO SOUTHEAST FORCE 8 TO 9, UP TO FORCE 10 AT FIRST.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
VERY ROUGH SEAS, HIGH AT FIRST.

SHANWEI:
CYCLONIC FORCE 12, BECOMING EAST TO SOUTHEAST UP TO FORCE
12 LATER.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
PHENOMENAL SEAS.

SOUTH OF HONG KONG:
NORTH TO NORTHWEST FORCE 8 TO 9, BECOMING CYCLONIC UP TO
FORCE 12 LATER.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
VERY ROUGH SEAS, BECOMING PHENOMENAL LATER.

SHANGCHUAN DAO:
NORTH FORCE 6, UP TO FORCE 8 LATER.
SCATTERED SQUALLY SHOWERS AND THUNDERSTORMS.
ROUGH SEAS, BECOMING VERY ROUGH LATER.

OUTLOOK FOR THE FOLLOWING 48 HOURS

CYCLONIC WINDS OF FORCE 10 TO 11, UP TO FORCE 12 AT FIRST.
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 EAST FORCE 2 
                   VISIBILITY 18 KILOMETRES

HUANGMAOZHOU       WIND NORTH-NORTHWEST FORCE 5

MACAU              WIND NORTH FORCE 2 
                   VISIBILITY 19 KILOMETRES

XISHA              WIND NORTH-NORTHWEST FORCE 1 
                   VISIBILITY 18 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 02:00 HKT ON 07.10.2023