SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 7:45 P.M.)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 4:30 P.M. ON 18 MAY 2026

WARNINGS:

STRONG WINDS IN HONG KONG ADJACENT WATERS, NAN'AO, SHANWEI
AND SOUTH OF HONG KONG.

WEATHER SITUATION:

AN EASTERLY AIRSTREAM IS AFFECTING THE COASTAL WATERS OF
GUANGDONG. BESIDES, A TROUGH OF LOW PRESSURE IS BRINGING
UNSETTLED WEATHER TO THE NORTHERN PART OF THE SOUTH CHINA
SEA.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

EAST TO SOUTHEAST FORCE 4 TO 5, OCCASIONALLY FORCE 6 AT
FIRST, BECOMING SOUTH UP TO FORCE 5 LATER.
SCATTERED SHOWERS AND THUNDERSTORMS.
MODERATE SEAS, ROUGH AT FIRST.

NAN'AO AND SHANWEI:
EAST TO SOUTHEAST FORCE 4 TO 5, OCCASIONALLY FORCE 6 AT
FIRST.
ISOLATED SHOWERS AND THUNDERSTORMS.
MODERATE SEAS, ROUGH AT FIRST.

SOUTH OF HONG KONG:
SOUTHEAST FORCE 4 TO 5, OCCASIONALLY FORCE 6 AT FIRST.
SCATTERED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS, ROUGH AT FIRST.

SHANGCHUAN DAO:
SOUTH TO SOUTHEAST FORCE 4 TO 5.
SCATTERED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE SEAS.

OUTLOOK FOR THE FOLLOWING 48 HOURS

SOUTH TO SOUTHEASTERLY WINDS OF FORCE 4 TO 5. SCATTERED
SHOWERS AND SQUALLY THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND EAST-NORTHEAST FORCE 4 
                   VISIBILITY 18 KILOMETRES

SHANTOU            WIND EAST-SOUTHEAST FORCE 2 
                   VISIBILITY 30 KILOMETRES

HUANGMAOZHOU       WIND EAST FORCE 6

MACAU              WIND EAST FORCE 3 
                   VISIBILITY 23 KILOMETRES

XISHA              WIND SOUTHEAST FORCE 2 
                   VISIBILITY 15 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 16:30 HKT ON 18.05.2026