SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 7:45 P.M.)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 6 P.M. ON 19 SEPTEMBER 2025

WARNINGS:

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

WEATHER SITUATION:

AT 6 P.M., TROPICAL STORM MITAG WITH MAXIMUM SUSTAINED
WINDS OF ABOUT 85 KILOMETRES PER HOUR NEAR ITS CENTRE WAS
LOCATED AT 23.0 DEGREES NORTH, 115.1 DEGREES EAST. IT IS
FORECAST TO MOVE WEST-NORTHWEST SLOWLY TOWARDS THE VICINITY
OF THE PEARL RIVER ESTUARY.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

NORTHWEST FORCE 7 TO 8, UP TO FORCE 9 AT FIRST.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
ROUGH TO VERY ROUGH SEAS, HIGH AT FIRST.

NAN'AO:
SOUTH TO SOUTHEAST FORCE 6 TO 7, UP TO FORCE 8 AT FIRST.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
ROUGH SEAS, VERY ROUGH AT FIRST.

SHANWEI:
SOUTH TO SOUTHWEST FORCE 7 TO 8, UP TO FORCE 9 AT FIRST.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
ROUGH TO VERY ROUGH SEAS, HIGH AT FIRST.

SOUTH OF HONG KONG:
SOUTH TO SOUTHWEST FORCE 7 TO 8, NORTH TO NORTHWEST UP TO
FORCE 8 AT FIRST.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
ROUGH TO VERY ROUGH SEAS.

SHANGCHUAN DAO:
NORTH TO NORTHEAST FORCE 4 TO 5, BECOMING WEST TO SOUTHWEST
UP TO FORCE 6.
SCATTERED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS, BECOMING ROUGH.

OUTLOOK FOR THE FOLLOWING 48 HOURS

EAST TO SOUTHEASTERLY WINDS OF FORCE 5 TO 6, BECOMING NORTH
TO NORTHEASTERLY WINDS OF UP TO FORCE 8 IN EAST LATER.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND WEST FORCE 4 
                   VISIBILITY OVER 50 KILOMETRES

SHANTOU            WIND EAST-SOUTHEAST FORCE 3 
                   VISIBILITY 1900 METRES IN RAIN

HUANGMAOZHOU       WIND NORTH-NORTHWEST FORCE 5

MACAU              WIND NORTH FORCE 3

XISHA              WIND SOUTHWEST FORCE 2 
                   VISIBILITY 27 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 18:00 HKT ON 19.09.2025