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 1:10 A.M. ON 20 JULY 2025

WARNINGS:

HURRICANE FORCE WINDS IN ALL AREAS.

WEATHER SITUATION:

AT 1 A.M., TYPHOON WIPHA WITH MAXIMUM SUSTAINED WINDS OF
ABOUT 120 KILOMETRES PER HOUR NEAR ITS CENTRE WAS LOCATED
AT 21.4 DEGREES NORTH, 116.4 DEGREES EAST. IT IS FORECAST
TO MOVE WEST OR WEST-NORTHWEST AT ABOUT 25 KILOMETRES PER
HOUR ACROSS THE NORTHERN PART OF THE SOUTH CHINA SEA,
EDGING CLOSER TO THE COAST OF GUANGDONG.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

NORTH TO NORTHEAST FORCE 8 TO 9, BECOMING CYCLONIC FORCE 12.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
VERY ROUGH TO HIGH SEAS, BECOMING PHENOMENAL.

NAN'AO:
SOUTH TO SOUTHEAST FORCE 9 TO 10, CYCLONIC FORCE 12 AT
FIRST.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
HIGH SEAS, PHENOMENAL AT FIRST.

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

SOUTH OF HONG KONG:
NORTH TO NORTHWEST FORCE 8 TO 9, BECOMING WEST TO SOUTHWEST
UP TO FORCE 12.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
VERY ROUGH TO HIGH SEAS, BECOMING PHENOMENAL.

SHANGCHUAN DAO:
WEST TO NORTHWEST FORCE 5 TO 6, UP TO FORCE 12 LATER.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
MODERATE TO ROUGH SEAS, BECOMING PHENOMENAL LATER.

OUTLOOK FOR THE FOLLOWING 48 HOURS

SOUTH TO SOUTHWESTERLY WINDS OF UP TO FORCE 9 TO 10,
CYCLONIC WINDS OF FORCE 12 AT FIRST. FREQUENT HEAVY SQUALLY
SHOWERS AND THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND WEST-NORTHWEST FORCE 4 
                   VISIBILITY 41 KILOMETRES

SHANTOU            WIND EAST-SOUTHEAST FORCE 3 
                   VISIBILITY 5000 METRES IN RAIN

HUANGMAOZHOU       WIND WEST-NORTHWEST FORCE 5

MACAU              WIND NORTH-NORTHWEST FORCE 1 
                   VISIBILITY 10 KILOMETRES IN RAIN

XISHA              WIND SOUTHWEST FORCE 4 
                   VISIBILITY 8 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 01:11 HKT ON 20.07.2025