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 24 SEPTEMBER
2025

WARNINGS:

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

WEATHER SITUATION:

AT 3 A.M., SUPER TYPHOON RAGASA WITH MAXIMUM SUSTAINED
WINDS OF ABOUT 195 KILOMETRES PER HOUR NEAR ITS CENTRE WAS
LOCATED AT 21.2 DEGREES NORTH, 114.6 DEGREES EAST. IT IS
FORECAST TO MOVE WEST-NORTHWEST AT ABOUT 22 KILOMETRES PER
HOUR EDGING CLOSER TO THE VICINITY OF THE PEARL RIVER
ESTUARY TO THE WESTERN COAST OF GUANGDONG.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

NORTH TO NORTHEAST FORCE 11 TO 12, BECOMING EAST TO
SOUTHEAST FORCE 12.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
VERY HIGH TO PHENOMENAL SEAS.

NAN'AO:
SOUTHEAST FORCE 7 TO 8, FORCE 10 AT FIRST.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
ROUGH TO VERY ROUGH SEAS, HIGH AT FIRST.

SHANWEI:
SOUTH TO SOUTHEAST FORCE 10 TO 11, FORCE 12 AT FIRST.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
HIGH TO VERY HIGH SEAS, PHENOMENAL AT FIRST.

SOUTH OF HONG KONG:
CYCLONIC FORCE 12, BECOMING SOUTH FORCE 12 LATER.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
PHENOMENAL SEAS.

SHANGCHUAN DAO:
NORTH TO NORTHWEST FORCE 10 TO 11, BECOMING CYCLONIC FORCE
12.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
HIGH TO VERY HIGH SEAS, BECOMING PHENOMENAL.

OUTLOOK FOR THE FOLLOWING 48 HOURS

EAST TO SOUTHEASTERLY WINDS OF FORCE 6 TO 7, SOUTHERLY
WINDS OF UP TO FORCE 11 AT FIRST. FREQUENT HEAVY SQUALLY
SHOWERS AND THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND NORTHEAST FORCE 12 WITH GUSTS TO FORCE 12 
                   VISIBILITY 640 METRES

SHANTOU            WIND EAST-SOUTHEAST FORCE 2 
                   VISIBILITY 8 KILOMETRES IN RAIN

MACAU              WIND NORTH FORCE 5 
                   VISIBILITY OVER 65 KILOMETRES

XISHA              WIND WEST FORCE 4 
                   VISIBILITY 7 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 03:34 HKT ON 24.09.2025