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 21 JULY 2025

WARNINGS:

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

WEATHER SITUATION:

AT 3 A.M., SEVERE TROPICAL STORM WIPHA WITH MAXIMUM
SUSTAINED WINDS OF ABOUT 105 KILOMETRES PER HOUR NEAR ITS
CENTRE WAS LOCATED AT 21.6 DEGREES NORTH, 111.0 DEGREES
EAST. IT IS FORECAST TO MOVE WEST-SOUTHWEST AT ABOUT 14
KILOMETRES PER HOUR ACROSS THE VICINITY OF THE COAST OF
WESTERN GUANGDONG AND TOWARDS BEIBU WAN.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

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

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

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

SOUTH OF HONG KONG:
SOUTH TO SOUTHEAST FORCE 6 TO 7, UP TO FORCE 8 AT FIRST.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
ROUGH SEAS, VERY ROUGH AT FIRST.

SHANGCHUAN DAO:
SOUTH TO SOUTHEAST FORCE 8 TO 9, UP TO FORCE 10 AT FIRST.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
VERY ROUGH TO HIGH SEAS.

OUTLOOK FOR THE FOLLOWING 48 HOURS

SOUTH TO SOUTHEASTERLY WINDS OF FORCE 6 TO 7. FREQUENT
HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND SOUTHEAST FORCE 4 
                   VISIBILITY 830 METRES

SHANTOU            WIND EAST-SOUTHEAST FORCE 2 
                   VISIBILITY 11 KILOMETRES IN RAIN

HUANGMAOZHOU       WIND SOUTH-SOUTHEAST FORCE 6

MACAU              WIND SOUTHEAST FORCE 2 
                   VISIBILITY 25 KILOMETRES

XISHA              WIND SOUTHWEST FORCE 5 
                   VISIBILITY 9 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 03:31 HKT ON 21.07.2025