SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 3:30 A.M. TOMORROW, MONDAY)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 11:30 P.M. ON 21 SEPTEMBER
2025

WARNINGS:

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

WEATHER SITUATION:

AT 11 P.M., SUPER TYPHOON RAGASA WITH MAXIMUM SUSTAINED
WINDS OF ABOUT 220 KILOMETRES PER HOUR NEAR ITS CENTRE WAS
LOCATED AT 19.0 DEGREES NORTH, 124.7 DEGREES EAST. IT IS
FORECAST TO MOVE WEST-NORTHWEST AT ABOUT 18 KILOMETRES PER
HOUR TOWARDS THE VICINITY OF THE LUZON STRAIT.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

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

NAN'AO:
NORTH TO NORTHEAST FORCE 6 TO 7, FORCE 10 LATER.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
ROUGH SEAS, BECOMING HIGH LATER.

SHANWEI:
EAST TO NORTHEAST FORCE 5 TO 6, BECOMING NORTH FORCE 7
LATER.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
MODERATE TO ROUGH SEAS.

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.
SCATTERED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS.

OUTLOOK FOR THE FOLLOWING 48 HOURS

NORTHERLY WINDS OF FORCE 9 TO 10, 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 FORCE 3 
                   VISIBILITY 30 KILOMETRES

SHANTOU            WIND SOUTHEAST FORCE 1 
                   VISIBILITY 30 KILOMETRES

HUANGMAOZHOU       WIND EAST FORCE 5

MACAU              WIND EAST FORCE 2 
                   VISIBILITY OVER 75 KILOMETRES

XISHA              WIND CALM 
                   VISIBILITY 30 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 23:32 HKT ON 21.09.2025