PRESS WEATHER NO. 066 - SOUTH CHINA COASTAL WATERS

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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 6 A.M. ON 19 SEPTEMBER 2025

WARNINGS:

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

WEATHER SITUATION:

AT 6 A.M., TROPICAL STORM MITAG WITH MAXIMUM SUSTAINED
WINDS OF ABOUT 85 KILOMETRES PER HOUR NEAR ITS CENTRE WAS
LOCATED AT 21.7 DEGREES NORTH, 116.1 DEGREES EAST. IT IS
FORECAST TO MOVE NORTHWEST AT ABOUT 15 KILOMETRES PER HOUR
IN THE GENERAL DIRECTION OF THE COAST OF EASTERN GUANGDONG
AND INTENSIFY GRADUALLY.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

NORTHEAST FORCE 5 TO 6, BECOMING NORTH TO NORTHWEST UP TO
FORCE 10.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
MODERATE TO ROUGH SEAS, BECOMING HIGH.

NAN'AO:
SOUTH TO SOUTHEAST FORCE 6 TO 7, UP TO FORCE 9 AT FIRST.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
ROUGH SEAS, VERY ROUGH AT FIRST.

SHANWEI:
SOUTH TO SOUTHWEST FORCE 7 TO 8, CYCLONIC UP TO FORCE 10 AT
FIRST.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
ROUGH TO VERY ROUGH SEAS, HIGH AT FIRST.

SOUTH OF HONG KONG:
NORTH TO NORTHEAST FORCE 5 TO 6, BECOMING WEST TO NORTHWEST
UP TO FORCE 9.
FREQUENT HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.
MODERATE TO ROUGH SEAS, BECOMING VERY ROUGH.

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

OUTLOOK FOR THE FOLLOWING 48 HOURS

EAST TO SOUTHEASTERLY WINDS OF FORCE 5 TO 6, WEST TO
SOUTHWESTERLY WINDS OF UP TO FORCE 10 AT FIRST. FREQUENT
HEAVY SQUALLY SHOWERS AND THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND NORTH FORCE 4 
                   VISIBILITY OVER 50 KILOMETRES

SHANTOU            WIND SOUTHEAST FORCE 1 
                   VISIBILITY 600 METRES IN RAIN

HUANGMAOZHOU       WIND NORTHEAST FORCE 5

MACAU              WIND NORTH FORCE 3 
                   VISIBILITY OVER 75 KILOMETRES

XISHA              WIND SOUTH-SOUTHWEST FORCE 2 
                   VISIBILITY 29 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 06:01 HKT ON 19.09.2025