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 17 SEPTEMBER
2018

WARNINGS:

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

WEATHER SITUATION:

TYPHOON MANGKHUT HAS WEAKENED INTO A SEVERE TROPICAL STORM.
 
AT 3 A.M., MANGKHUT WITH MAXIMUM SUSTAINED WINDS OF ABOUT
110 KILOMETRES PER HOUR NEAR ITS CENTRE WAS LOCATED NEAR
22.5 DEGREES NORTH, 109.8 DEGREES EAST. IT IS FORECAST TO
MOVE WEST-NORTHWEST AT ABOUT 30 KILOMETRES PER HOUR INTO
THE INLAND AREA OF SOUTHERN CHINA AND WEAKEN GRADUALLY.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

SOUTHEAST FORCE 9 TO 10 AT FIRST, BECOMING FORCE 7 TO 8.
SQUALLY SHOWERS AND THUNDERSTORMS.
HIGH SEAS AT FIRST, BECOMING ROUGH TO VERY ROUGH.

NAN'AO:
SOUTHEAST FORCE 6 TO 7.
SQUALLY SHOWERS AND THUNDERSTORMS.
ROUGH SEAS.

SHANWEI:
SOUTHEAST FORCE 7 TO 8.
FREQUENT SQUALLY SHOWERS AND THUNDERSTORMS.
ROUGH TO VERY ROUGH SEAS.

SOUTH OF HONG KONG:
SOUTHEAST FORCE 9 TO 10 AT FIRST, BECOMING FORCE 7 TO 8.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
HIGH SEAS AT FIRST, BECOMING ROUGH TO VERY ROUGH.

SHANGCHUAN DAO:
SOUTH TO SOUTHWEST FORCE 10 TO 11 AT FIRST, BECOMING FORCE
8 TO 9.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
HIGH TO VERY HIGH SEAS AT FIRST, BECOMING VERY ROUGH TO
HIGH.

OUTLOOK FOR THE FOLLOWING 48 HOURS

SOUTH TO SOUTHEASTERLY WINDS OF FORCE 6 TO 7. OCCASIONAL
SQUALLY SHOWERS AND THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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SHANTOU            WIND EAST FORCE 3 
                   VISIBILITY 20 KILOMETRES

DONGSHA            WIND SOUTH FORCE 4 
                   VISIBILITY 10 KILOMETRES

HUANGMAOZHOU       WIND SOUTHEAST FORCE 7

MACAU              WIND SOUTHEAST FORCE 4 
                   VISIBILITY 6 KILOMETRES IN RAIN

XISHA              WIND SOUTH-SOUTHWEST FORCE 4 
                   VISIBILITY 10 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 03:44 HKT ON 17.09.2018