SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 11:30 P.M.)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 10:10 P.M. ON 19 SEPTEMBER
2025

WARNINGS:

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

WEATHER SITUATION:

AT 10 P.M., TROPICAL STORM MITAG WITH MAXIMUM SUSTAINED
WINDS OF ABOUT 65 KILOMETRES PER HOUR NEAR ITS CENTRE WAS
LOCATED AT 23.1 DEGREES NORTH, 114.8 DEGREES EAST. IT IS
FORECAST TO MOVE WEST-NORTHWEST SLOWLY TOWARDS THE VICINITY
OF THE NORTHERN PART OF THE PEARL RIVER ESTUARY.
 
BESIDES, TROPICAL STORM RAGASA HAS INTENSIFIED INTO A
SEVERE TROPICAL STORM.
AT 10 P.M., RAGASA WITH MAXIMUM SUSTAINED WINDS OF ABOUT 90
KILOMETRES PER HOUR NEAR ITS CENTRE WAS LOCATED AT 16.2
DEGREES NORTH, 129.9 DEGREES EAST. IT IS FORECAST TO MOVE
WEST-NORTHWEST AT ABOUT 10 KILOMETRES PER HOUR TOWARDS THE
VICINITY OF THE LUZON STRAIT.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

WEST TO NORTHWEST FORCE 6 TO 7, UP TO FORCE 8 AT FIRST.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
ROUGH SEAS, VERY ROUGH AT FIRST.

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

SHANWEI:
SOUTH TO SOUTHWEST FORCE 6 TO 7, UP TO FORCE 8 AT FIRST.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
ROUGH SEAS, VERY ROUGH AT FIRST.

SOUTH OF HONG KONG:
WEST TO SOUTHWEST FORCE 6 TO 7.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
ROUGH SEAS.

SHANGCHUAN DAO:
WEST TO SOUTHWEST FORCE 5 TO 6.
SCATTERED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE TO ROUGH SEAS.

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 3 
                   VISIBILITY OVER 50 KILOMETRES

SHANTOU            WIND SOUTHEAST FORCE 2 
                   VISIBILITY 25 KILOMETRES

HUANGMAOZHOU       WIND WEST FORCE 4

MACAU              WIND NORTH-NORTHWEST FORCE 2

XISHA              WIND SOUTH FORCE 1 
                   VISIBILITY 30 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 22:13 HKT ON 19.09.2025