SOUTH CHINA COASTAL WATERS

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

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 1:50 A.M. ON 25 SEPTEMBER
2025

WARNINGS:

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

WEATHER SITUATION:

TYPHOON RAGASA HAS WEAKENED INTO A SEVERE TROPICAL STORM.
 
AT 2 A.M., RAGASA WITH MAXIMUM SUSTAINED WINDS OF ABOUT 110
KILOMETRES PER HOUR NEAR ITS CENTRE WAS LOCATED AT 21.5
DEGREES NORTH, 109.9 DEGREES EAST, IT IS FORECAST TO MOVE
WEST AT ABOUT 22 KILOMETRES PER HOUR ACROSS THE COAST OF
WESTERN GUANGDONG TOWARDS THE COAST OF GUANGXI AND WEAKEN
GRADUALLY.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

EAST TO SOUTHEAST FORCE 6 TO 7, UP TO FORCE 8 AT FIRST.
OCCASIONALHEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
ROUGH SEAS, VERY ROUGH AT FIRST.

NAN'AO:
SOUTHEAST FORCE 5 TO 6.
SCATTERED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE TO ROUGH SEAS.

SHANWEI:
SOUTHEAST FORCE 5 TO 6, UP TO FORCE 7 AT FIRST.
SCATTERED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE TO ROUGH SEAS.

SOUTH OF HONG KONG:
SOUTH TO SOUTHEAST FORCE 5 TO 6, UP TO FORCE 7 AT FIRST.
OCCASIONAL HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
MODERATE TO ROUGH SEAS.

SHANGCHUAN DAO:
SOUTH TO SOUTHEAST FORCE 6 TO 7, UP TO FORCE 9 AT FIRST.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
ROUGH SEAS, HIGH AT FIRST.

OUTLOOK FOR THE FOLLOWING 48 HOURS

EAST TO SOUTHEASTERLY WINDS OF FORCE 5 TO 6, BECOMING
NORTHEASTERLY WINDS OF UP TO FORCE 7 LATER. OCCASIONAL
HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND EAST-SOUTHEAST FORCE 6 
                   VISIBILITY 9 KILOMETRES

SHANTOU            WIND EAST-SOUTHEAST FORCE 2 
                   VISIBILITY 30 KILOMETRES IN RAIN

MACAU              WIND EAST-SOUTHEAST FORCE 3 
                   VISIBILITY 26 KILOMETRES

XISHA              WIND SOUTHWEST FORCE 4 
                   VISIBILITY 7 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 01:52 HKT ON 25.09.2025