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 APRIL 2026

WEATHER SITUATION:

A TROUGH OF LOW PRESSURE IS BRINGING UNSETTLED WEATHER TO
THE SOUTH CHINA COASTAL WATERS.

AREA FORECASTS FOR THE NEXT 24 HOURS

HONG KONG ADJACENT WATERS:

WEST TO SOUTHWEST FORCE 4.
A FEW SHOWERS.
MODERATE SEAS.

NAN'AO:
WEST TO SOUTHWEST FORCE 4, BECOMING EAST UP TO FORCE 5
LATER.
MODERATE SEAS.

SHANWEI AND SOUTH OF HONG KONG:
WEST TO SOUTHWEST FORCE 4.
MODERATE SEAS.

SHANGCHUAN DAO:
SOUTH FORCE 4.
MODERATE SEAS.

OUTLOOK FOR THE FOLLOWING 48 HOURS

SOUTH TO SOUTHEASTERLY WINDS OF FORCE 4, OCCASIONALLY FORCE
5.

LATEST REPORTS FROM SOUTH CHINA COASTAL WEATHER STATIONS

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WAGLAN ISLAND      WIND CALM 
                   VISIBILITY 14 KILOMETRES

SHANTOU            WIND WEST-SOUTHWEST FORCE 1 
                   VISIBILITY 15 KILOMETRES

HUANGMAOZHOU       WIND NORTHWEST FORCE 4

MACAU              WIND NORTHWEST FORCE 2 
                   VISIBILITY 13 KILOMETRES

XISHA              WIND EAST FORCE 1 
                   VISIBILITY 18 KILOMETRES

WEATHER BULLETIN FOR HONG KONG WATERS

AT 5 A.M. HONG KONG TIME:

KAI TAK:
WIND SOUTHWEST FORCE 1.
 
STAR FERRY KOWLOON:
WIND WEST FORCE 3.
 
GREEN ISLAND:
WIND NORTHWEST FORCE 2.
 
CHEUNG CHAU:
WIND NORTH FORCE 2.
 
SEA WAVES NEAR WAGLAN ISLAND WILL BE LESS THAN 0.5 METRE
DURING THE NEXT 12 HOURS.
 
SWELL OF UP TO 0.5 METRE CAN BE EXPECTED.
 
THE SEA TEMPERATURE IN VICTORIA HARBOUR IS 25 DEGREES
CELSIUS.
 
THE NEXT HIGH TIDE IN VICTORIA HARBOUR WILL BE 2.2 METRES
AT 9:42 A.M. TODAY AND THE NEXT LOW TIDE WILL BE 0.4 METRE
AT 4:00 P.M. TODAY.

DISPATCHED BY HONG KONG OBSERVATORY AT 05:30 HKT ON 18.04.2026