SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 9:45 A.M.)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 5:30 A.M. ON 18 JULY 2025

WARNINGS:

STRONG WINDS IN NAN'AO AND SHANWEI.

WEATHER SITUATION:

AT 5 A.M., TROPICAL STORM WIPHA WITH MAXIMUM SUSTAINED
WINDS OF ABOUT 65 KILOMETRES PER HOUR NEAR ITS CENTRE WAS
LOCATED AT 17.3 DEGREES NORTH, 124.4 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:

WEST TO SOUTHWEST FORCE 4.
ISOLATED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS.

NAN'AO AND SHANWEI:
WEST TO SOUTHWEST FORCE 4, OCCASIONALLY FORCE 5, BECOMING
NORTH TO NORTHEAST FORCE 7 LATER.
ISOLATED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS, BECOMING ROUGH LATER.

SOUTH OF HONG KONG AND SHANGCHUAN DAO:
WEST TO SOUTHWEST 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 VARIABLE FORCE 1 
                   VISIBILITY 17 KILOMETRES

SHANTOU            WIND WEST FORCE 1 
                   VISIBILITY 5000 METRES IN RAIN

HUANGMAOZHOU       WIND WEST FORCE 4

MACAU              WIND WEST-SOUTHWEST FORCE 2 
                   VISIBILITY 29 KILOMETRES

XISHA              WIND WEST-SOUTHWEST FORCE 3 
                   VISIBILITY 19 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 05:30 HKT ON 18.07.2025