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 5 JULY 2025

WARNINGS:

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

WEATHER SITUATION:

AT 3 A.M., THE TROPICAL STORM OVER THE NORTHEASTERN PART OF
THE SOUTH CHINA SEA WITH MAXIMUM SUSTAINED WINDS OF ABOUT
65 KILOMETRES PER HOUR NEAR ITS CENTRE WAS LOCATED AT 20.0
DEGREES NORTH, 117.8 DEGREES EAST. IT IS FORECAST TO MOVE
NORTHWEST SLOWLY, LINGERING OVER THE NORTHEASTERN PART OF
THE SOUTH CHINA SEA AND INTENSIFYING GRADUALLY.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

EAST TO NORTHEAST FORCE 4 TO 5.
ISOLATED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS.

NAN'AO:
EAST TO NORTHEAST FORCE 6 TO 7, BECOMING CYCLONIC UP TO
FORCE 11.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
ROUGH SEAS, BECOMING VERY HIGH.

SHANWEI:
EAST TO NORTHEAST FORCE 6 TO 7, BECOMING UP TO FORCE 10.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
ROUGH SEAS, BECOMING HIGH.

SOUTH OF HONG KONG:
EAST TO NORTHEAST FORCE 4 TO 5, BECOMING UP TO FORCE 7.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
MODERATE SEAS, BECOMING ROUGH.

SHANGCHUAN DAO:
EAST TO NORTHEAST FORCE 4, OCCASIONALLY FORCE 5, BECOMING
WEST TO NORTHWEST UP TO FORCE 5.
SCATTERED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS.

OUTLOOK FOR THE FOLLOWING 48 HOURS

WESTERLY WINDS OF FORCE 5 TO 6, CYCLONIC WINDS OF UP TO
FORCE 12 IN EAST AT FIRST. FREQUENT HEAVY SQUALLY SHOWERS
AND THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND EAST-NORTHEAST FORCE 4 
                   VISIBILITY OVER 50 KILOMETRES

SHANTOU            WIND EAST-SOUTHEAST FORCE 1 
                   VISIBILITY 30 KILOMETRES

HUANGMAOZHOU       WIND EAST FORCE 2

MACAU              WIND SOUTH-SOUTHEAST FORCE 2 
                   VISIBILITY 40 KILOMETRES

XISHA              WIND WEST-SOUTHWEST FORCE 3 
                   VISIBILITY 29 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 03:30 HKT ON 05.07.2025