SOUTH CHINA COASTAL WATERS

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

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 11:30 P.M. ON 22 SEPTEMBER
2025

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 11 P.M., SUPER TYPHOON RAGASA WITH MAXIMUM SUSTAINED
WINDS OF ABOUT 230 KILOMETRES PER HOUR NEAR ITS CENTRE WAS
LOCATED AT 19.5 DEGREES NORTH, 119.8 DEGREES EAST. IT IS
FORECAST TO MOVE WEST OR WEST-NORTHWEST AT ABOUT 22
KILOMETRES PER HOUR ACROSS THE NORTHERN PART OF THE SOUTH
CHINA SEA.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

NORTH FORCE 6 TO 7, FORCE 10 LATER.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
ROUGH SEAS, BECOMING HIGH LATER.

NAN'AO:
NORTH TO NORTHEAST FORCE 10 TO 11, BECOMING CYCLONIC FORCE
12 LATER.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
HIGH TO VERY HIGH SEAS, BECOMING PHENOMENAL LATER.

SHANWEI:
NORTH FORCE 8 TO 9, BECOMING CYCLONIC FORCE 12 LATER.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
VERY ROUGH TO HIGH SEAS, BECOMING PHENOMENAL LATER.

SOUTH OF HONG KONG:
NORTH TO NORTHWEST FORCE 6 TO 7, FORCE 12 LATER.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
ROUGH SEAS, BECOMING PHENOMENAL LATER.

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

OUTLOOK FOR THE FOLLOWING 48 HOURS

CYCLONIC WINDS OF FORCE 12, BECOMING SOUTHERLY WINDS OF
FORCE 12 LATER. FREQUENT HEAVY SQUALLY SHOWERS AND
THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND NORTH-NORTHWEST FORCE 4 
                   VISIBILITY 45 KILOMETRES

SHANTOU            WIND SOUTH FORCE 1 
                   VISIBILITY 30 KILOMETRES

HUANGMAOZHOU       WIND NORTHWEST FORCE 4

MACAU              WIND NORTHWEST FORCE 3 
                   VISIBILITY OVER 50 KILOMETRES

XISHA              WIND NORTHEAST FORCE 2 
                   VISIBILITY 30 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 23:30 HKT ON 22.09.2025