SOUTH CHINA COASTAL WATERS

(NOT TO BE ISSUED AFTER 5:30 A.M.)

WEATHER INFORMATION FOR SOUTH CHINA COASTAL WATERS ISSUED
BY THE HONG KONG OBSERVATORY AT 3:30 A.M. ON 17 MAY 2026

WARNINGS:

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

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 FORCE 6 TO 7, UP TO FORCE 8 AT FIRST.
SCATTERED SHOWERS AND SQUALLY THUNDERSTORMS.
ROUGH SEAS, VERY ROUGH AT FIRST.

NAN'AO:
EAST FORCE 6 TO 7.
SCATTERED SHOWERS AND THUNDERSTORMS.
ROUGH SEAS.

SHANWEI:
EAST FORCE 6 TO 7.
SCATTERED SHOWERS AND SQUALLY THUNDERSTORMS.
ROUGH SEAS.

SOUTH OF HONG KONG:
EAST TO SOUTHEAST FORCE 5 TO 6, OCCASIONALLY FORCE 7.
SCATTERED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE TO ROUGH SEAS.

SHANGCHUAN DAO:
EAST TO SOUTHEAST FORCE 4 TO 5, OCCASIONALLY FORCE 6.
SCATTERED SHOWERS AND SQUALLY THUNDERSTORMS.
MODERATE TO ROUGH SEAS.

OUTLOOK FOR THE FOLLOWING 48 HOURS

SOUTH TO SOUTHEASTERLY WINDS OF FORCE 4 TO 5, EASTERLY
WINDS UP TO FORCE 6 AT FIRST. SCATTERED SHOWERS AND SQUALLY
THUNDERSTORMS.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND EAST-NORTHEAST FORCE 6 
                   VISIBILITY 20 KILOMETRES

SHANTOU            WIND EAST FORCE 2 
                   VISIBILITY 30 KILOMETRES

HUANGMAOZHOU       WIND EAST FORCE 8

MACAU              WIND EAST FORCE 4 
                   VISIBILITY 45 KILOMETRES

XISHA              WIND SOUTHEAST FORCE 1 
                   VISIBILITY 18 KILOMETRES

DISPATCHED BY HONG KONG OBSERVATORY AT 03:30 HKT ON 17.05.2026