SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 12:30 P.M.)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 9:45 A.M. ON 18 JULY 2025

WARNINGS:

GALE FORCE WINDS IN NAN'AO. STRONG WINDS IN SHANWEI.

WEATHER SITUATION:

AT 10 A.M., TROPICAL STORM WIPHA WITH MAXIMUM SUSTAINED
WINDS OF ABOUT 65 KILOMETRES PER HOUR NEAR ITS CENTRE WAS
LOCATED AT 17.8 DEGREES NORTH, 123.7 DEGREES EAST. IT IS
FORECAST TO MOVE NORTHWEST AT ABOUT 22 KILOMETRES PER HOUR
IN THE GENERAL DIRECTION OF THE VICINITY OF LUZON STRAIT
AND INTENSIFY GRADUALLY.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

SOUTHWEST FORCE 4, BECOMING NORTH TO NORTHEAST FORCE 5
LATER.
ISOLATED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS.

NAN'AO:
WEST TO NORTHWEST FORCE 4 TO 5, BECOMING NORTH TO NORTHEAST
FORCE 8 LATER.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
MODERATE SEAS, BECOMING VERY ROUGH SEAS LATER.

SHANWEI:
WEST TO NORTHWEST FORCE 4 TO 5, BECOMING NORTH TO NORTHEAST
FORCE 7 LATER.
OCCASIONAL SQUALLY SHOWERS AND THUNDERSTORMS.
MODERATE SEAS, BECOMING ROUGH SEAS LATER.

SOUTH OF HONG KONG AND SHANGCHUAN DAO:
WEST TO NORTHWEST FORCE 4, OCCASIONALLY FORCE 5, BECOMING
NORTH FORCE 5 LATER.
ISOLATED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS.

OUTLOOK FOR THE FOLLOWING 48 HOURS

NORTH TO NORTHEASTERLY WINDS OF FORCE 8 TO 9, 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 CALM 
                   VISIBILITY 26 KILOMETRES

SHANTOU            WIND SOUTHEAST FORCE 1 
                   VISIBILITY 30 KILOMETRES

HUANGMAOZHOU       WIND WEST-NORTHWEST FORCE 3

MACAU              WIND WEST-SOUTHWEST FORCE 2 
                   VISIBILITY 21 KILOMETRES

XISHA              WIND WEST FORCE 3 
                   VISIBILITY 11 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 09:45 HKT ON 18.07.2025