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 22 SEPTEMBER
2025

WARNINGS:

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

WEATHER SITUATION:

AT 3 A.M., SUPER TYPHOON RAGASA WITH MAXIMUM SUSTAINED
WINDS OF ABOUT 230 KILOMETRES PER HOUR NEAR ITS CENTRE WAS
LOCATED AT 19.2 DEGREES NORTH, 124.0 DEGREES EAST. IT IS
FORECAST TO MOVE WEST OR WEST-NORTHWEST AT ABOUT 22
KILOMETRES PER HOUR TOWARDS THE VICINITY OF LUZON STRAIT.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

EAST TO NORTHEAST FORCE 4 TO 5, BECOMING NORTH FORCE 5,
FORCE 6 LATER.
SCATTERED SQUALLY SHOWERS AND THUNDERSTORMS.
MODERATE SEAS, BECOMING ROUGH LATER.

NAN'AO:
NORTH TO NORTHEAST FORCE 6 TO 7, FORCE 11 LATER.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
ROUGH SEAS, BECOMING VERY HIGH LATER.

SHANWEI:
NORTH TO NORTHEAST FORCE 5 TO 6, FORCE 8 LATER.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
MODERATE TO ROUGH SEAS, BECOMING VERY ROUGH LATER.

SOUTH OF HONG KONG:
EAST TO NORTHEAST FORCE 4 TO 5, BECOMING NORTH FORCE 6
LATER.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
MODERATE SEAS, BECOMING ROUGH LATER.

SHANGCHUAN DAO:
EAST TO NORTHEAST FORCE 4, OCCASIONALLY FORCE 5, BECOMING
NORTH UP TO FORCE 5 LATER.
SCATTERED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS.

OUTLOOK FOR THE FOLLOWING 48 HOURS

NORTHERLY WINDS OF FORCE 10 TO 11, 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 EAST-NORTHEAST FORCE 3 
                   VISIBILITY 27 KILOMETRES

SHANTOU            WIND WEST FORCE 1 
                   VISIBILITY 30 KILOMETRES

HUANGMAOZHOU       WIND EAST FORCE 4

MACAU              WIND NORTHEAST FORCE 2 
                   VISIBILITY 17 KILOMETRES

XISHA              WIND EAST-NORTHEAST FORCE 2 
                   VISIBILITY 22 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 03:31 HKT ON 22.09.2025