SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 11:30 P.M.)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 10 P.M. ON 18 JULY 2025

WARNINGS:

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

WEATHER SITUATION:

AT 10 P.M., TROPICAL STORM WIPHA WITH MAXIMUM SUSTAINED
WINDS OF ABOUT 65 KILOMETRES PER HOUR NEAR ITS CENTRE WAS
LOCATED AT 19.3 DEGREES NORTH, 122.4 DEGREES EAST. IT IS
FORECAST TO MOVE NORTHWEST OR WEST-NORTHWEST AT ABOUT 22
KILOMETRES PER HOUR ACROSS THE VICINITY OF LUZON STRAIT AND
INTENSIFY GRADUALLY.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

WEST TO NORTHWEST FORCE 4, BECOMING NORTH UP TO FORCE 6
LATER.
SCATTERED HEAVY SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS, BECOMING ROUGH LATER.

NAN'AO:
NORTH TO NORTHWEST FORCE 4 TO 5, BECOMING CYCLONIC FORCE 11
LATER.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
MODERATE SEAS, BECOMING VERY HIGH LATER.

SHANWEI:
NORTH TO NORTHWEST FORCE 4 TO 5, BECOMING NORTH TO
NORTHEAST UP TO FORCE 9 LATER.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
MODERATE SEAS, BECOMING HIGH LATER.

SOUTH OF HONG KONG:
WEST TO NORTHWEST FORCE 4, OCCASIONALLY FORCE 5, BECOMING
NORTH UP TO FORCE 7 LATER.
SCATTERED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS, BECOMING ROUGH LATER.

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

OUTLOOK FOR THE FOLLOWING 48 HOURS

CYCLONIC WINDS OF FORCE 12, BECOMING SOUTH TO SOUTHWESTERLY
WINDS OF UP TO FORCE 12. FREQUENT HEAVY SQUALLY SHOWERS AND
THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND NORTH-NORTHEAST FORCE 3 
                   VISIBILITY 28 KILOMETRES

SHANTOU            WIND SOUTH-SOUTHEAST FORCE 1 
                   VISIBILITY 29 KILOMETRES

HUANGMAOZHOU       WIND NORTH-NORTHWEST FORCE 3

MACAU              WIND NORTHWEST FORCE 1 
                   VISIBILITY 45 KILOMETRES

XISHA              WIND WEST FORCE 2 
                   VISIBILITY 17 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 22:00 HKT ON 18.07.2025