SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 9:30 A.M.)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 5:30 A.M. ON 15 SEPTEMBER
2018

WARNINGS:

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

WEATHER SITUATION:

AT 5 A.M., SUPER TYPHOON MANGKHUT WITH MAXIMUM SUSTAINED
WINDS OF ABOUT 230 KILOMETRES PER HOUR NEAR ITS CENTRE WAS
LOCATED AT 18.0 DEGREES NORTH, 121.3 DEGREES EAST. IT IS
FORECAST TO MOVE NORTHWEST OR WEST-NORTHWEST AT ABOUT 30
KILOMETRES PER HOUR ACROSS THE NORTHERN PART OF LUZON AND
ENTER THE SOUTH CHINA SEA.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

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

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

SHANGCHUAN DAO:
NORTHEAST FORCE 4 TO 5, FORCE 8 TO 9 LATER.
HEAVY SQUALLY SHOWERS AND THUNDERSTORMS LATER.
MODERATE SEAS, BECOMING VERY ROUGH TO HIGH LATER.

OUTLOOK FOR THE FOLLOWING 48 HOURS

NORTHEASTERLY WINDS OF FORCE 10 TO 11, UP TO FORCE 12 IN
EAST, BECOMING CYCLONIC WINDS OF FORCE 12. FREQUENT HEAVY
SQUALLY SHOWERS AND THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND WEST-NORTHWEST FORCE 1 
                   VISIBILITY 18 KILOMETRES

SHANTOU            WIND WEST FORCE 1 
                   VISIBILITY 30 KILOMETRES

DONGSHA            WIND NORTH-NORTHEAST FORCE 4 
                   VISIBILITY 10 KILOMETRES

HUANGMAOZHOU       WIND NORTHWEST FORCE 3

MACAU              WIND WEST-SOUTHWEST FORCE 1 
                   VISIBILITY 15 KILOMETRES

XISHA              WIND EAST-NORTHEAST FORCE 2 
                   VISIBILITY 21 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 05:34 HKT ON 15.09.2018