SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 4:30 P.M.)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 12:30 P.M. ON 22 SEPTEMBER
2025

WARNINGS:

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

WEATHER SITUATION:

AT NOON, SUPER TYPHOON RAGASA WITH MAXIMUM SUSTAINED WINDS
OF ABOUT 230 KILOMETRES PER HOUR NEAR ITS CENTRE WAS
LOCATED AT 19.4 DEGREES NORTH, 122.1 DEGREES EAST. IT IS
FORECAST TO MOVE WEST OR WEST-NORTHWEST AT ABOUT 22
KILOMETRES PER HOUR ACROSS THE LUZON STRAIT AND ENTER THE
NORTHERN PART OF THE SOUTH CHINA SEA.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

NORTH FORCE 4 TO 5, FORCE 8 LATER.
SQUALLY SHOWERS AND THUNDERSTORMS.
MODERATE SEAS, BECOMING VERY ROUGH LATER.

NAN'AO:
NORTH TO NORTHEAST FORCE 6 TO 7, FORCE 12 LATER.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
ROUGH SEAS, BECOMING PHENOMENAL LATER.

SHANWEI:
NORTH TO NORTHEAST FORCE 5 TO 6, FORCE 12 LATER.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
MODERATE TO ROUGH SEAS, BECOMING PHENOMENAL LATER.

SOUTH OF HONG KONG:
NORTH TO NORTHEAST FORCE 4 TO 5, BECOMING NORTH FORCE 8
LATER.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
MODERATE SEAS, BECOMING VERY ROUGH LATER.

SHANGCHUAN DAO:
NORTH TO NORTHEAST FORCE 4 TO 5, BECOMING NORTH FORCE 6
LATER.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
MODERATE SEAS, BECOMING ROUGH LATER.

OUTLOOK FOR THE FOLLOWING 48 HOURS

NORTHERLY WINDS OF FORCE 12, 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 NORTH FORCE 3 
                   VISIBILITY OVER 50 KILOMETRES

SHANTOU            WIND SOUTHWEST FORCE 2 
                   VISIBILITY 30 KILOMETRES

HUANGMAOZHOU       WIND NORTH-NORTHWEST FORCE 4

MACAU              WIND NORTH-NORTHEAST FORCE 3 
                   VISIBILITY OVER 50 KILOMETRES

XISHA              WIND NORTHEAST FORCE 2 
                   VISIBILITY 25 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 12:31 HKT ON 22.09.2025