SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 12:30 P.M.)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 9:30 A.M. ON 15 SEPTEMBER
2018

WARNINGS:

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

WEATHER SITUATION:

AT 9 A.M., SUPER TYPHOON MANGKHUT WITH MAXIMUM SUSTAINED
WINDS OF ABOUT 210 KILOMETRES PER HOUR NEAR ITS CENTRE WAS
LOCATED NEAR 18.1 DEGREES NORTH, 120.4 DEGREES EAST. IT IS
FORECAST TO MOVE WEST-NORTHWEST AT ABOUT 30 KILOMETRES PER
HOUR ACROSS THE NORTHERN PART OF THE SOUTH CHINA SEA AND
EDGE CLOSER TO THE COAST OF GUANGDONG GRADUALLY.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

NORTHEAST FORCE 5 TO 6, BECOMING FORCE 10 TO 11 LATER.
HAZY. FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS
LATER.
ROUGH SEAS, BECOMING HIGH TO VERY HIGH LATER.

NAN'AO:
NORTHEAST FORCE 6 TO 7, BECOMING SOUTHEAST FORCE 12 LATER.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
ROUGH SEAS, BECOMING PHENOMENAL LATER.

SHANWEI:
NORTHEAST FORCE 6 TO 7, BECOMING CYCLONIC FORCE 12 LATER.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS LATER.
ROUGH SEAS, BECOMING PHENOMENAL LATER.

SOUTH OF HONG KONG:
NORTHEAST FORCE 5 TO 6, BECOMING CYCLONIC FORCE 12 LATER.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS LATER.
ROUGH SEAS, BECOMING PHENOMENAL LATER.

SHANGCHUAN DAO:
NORTHEAST FORCE 5, BECOMING WEST TO NORTHWEST FORCE 12
LATER.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS LATER.
ROUGH SEAS, BECOMING PHENOMENAL LATER.

OUTLOOK FOR THE FOLLOWING 48 HOURS

SOUTHEASTERLY WINDS OF FORCE 10 TO 11, CYCLONIC WINDS OF
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 FORCE 4 
                   VISIBILITY 24 KILOMETRES

SHANTOU            WIND WEST-NORTHWEST FORCE 1 
                   VISIBILITY 30 KILOMETRES

DONGSHA            WIND NORTH-NORTHEAST FORCE 5 
                   VISIBILITY 10 KILOMETRES

HUANGMAOZHOU       WIND NORTHWEST FORCE 5

MACAU              WIND WEST-NORTHWEST FORCE 2 
                   VISIBILITY 10 KILOMETRES

XISHA              WIND NORTH-NORTHWEST FORCE 2 
                   VISIBILITY 24 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 09:30 HKT ON 15.09.2018