PRESS WEATHER NO. 052 - 9-DAY WEATHER FORECAST
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9-DAY WEATHER FORECAST
9-DAY WEATHER FORECAST
GENERAL SITUATION:
AN ANTICYCLONE ALOFT WILL BRING VERY HOT WEATHER TO
SOUTHEASTERN CHINA TODAY. THE TROPICAL CYCLONE OVER THE
NORTHEASTERN PART OF THE SOUTH CHINA SEA WILL MOVE
NORTHWESTWARDS IN THE GENERAL DIRECTION OF THE COAST OF
EASTERN GUANGDONG, AND INTENSIFY GRADUALLY TODAY AND
TOMORROW. UNDER THE INFLUENCE OF THE NORTHEAST MONSOON, THE
TROPICAL CYCLONE WILL THEN TURN WESTWARDS, MOVING CLOSER TO
THE VICINITY OF THE PEARL RIVER ESTUARY. HOWEVER, THERE ARE
UNCERTAINTIES IN ITS LANDFALL POSITION AND INTENSITY. THE
WEATHER WILL BECOME UNSETTLED OVER THE REGION TOMORROW AND
OVER THE WEEKEND. IT WILL BE WINDY WITH SQUALLY SHOWERS AND
THUNDERSTORMS. WITH THE TROPICAL CYCLONE DEPARTING, THE
WEATHER OVER GUANGDONG WILL IMPROVE BRIEFLY EARLY NEXT
WEEK. BESIDES, ANOTHER TROPICAL CYCLONE OVER THE WESTERN
NORTH PACIFIC TO THE EAST OF THE PHILIPPINES WILL INTENSIFY
SIGNIFICANTLY, AND ENTER THE NORTHERN PART OF THE SOUTH
CHINA SEA, EDGING CLOSER TO THE COAST OF SOUTHERN CHINA
EARLY NEXT WEEK. UNDER THE INFLUENCE OF ITS BROAD
CIRCULATION, THE WEATHER OVER THE REGION WILL DETERIORATE
SIGNIFICANTLY WITH WINDS STRENGTHENING AGAIN MIDWEEK NEXT
WEEK. THERE WILL BE HEAVY SQUALLY SHOWERS AND
THUNDERSTORMS. SEAS WILL BE ROUGH WITH SWELLS.
DATE/MONTH 18/9 (THURSDAY)
WIND: EAST TO NORTHEAST FORCE 3 TO 4.
WEATHER: SUNNY PERIODS AND ONE OR TWO SHOWERS. VERY HOT
DURING THE DAY. ISOLATED THUNDERSTORMS LATER.
TEMP RANGE: 28 - 34 C
R.H. RANGE: 60 - 90 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: MEDIUM LOW
DATE/MONTH 19/9 (FRIDAY)
WIND: NORTH TO NORTHWEST FORCE 4, FORCE 5 LATER,
OCCASIONALLY FORCE 6 OFFSHORE AND ON HIGH GROUND.
WEATHER: MAINLY CLOUDY WITH A FEW SHOWERS AND
THUNDERSTORMS. SUNNY INTERVALS AT FIRST. SHOWERS WILL
INCREASE LATER.
TEMP RANGE: 27 - 32 C
R.H. RANGE: 65 - 95 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: MEDIUM HIGH
DATE/MONTH 20/9 (SATURDAY)
WIND: WEST TO SOUTHWEST FORCE 5, OCCASIONALLY FORCE 6.
WEATHER: MAINLY CLOUDY WITH OCCASIONAL SQUALLY SHOWERS AND
THUNDERSTORMS. SHOWERS WILL BE HEAVIER AT TIMES. THERE WILL
BE SWELLS.
TEMP RANGE: 26 - 31 C
R.H. RANGE: 70 - 95 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: HIGH
DATE/MONTH 21/9 (SUNDAY)
WIND: SOUTH TO SOUTHEAST FORCE 4 TO 5, OCCASIONALLY FORCE 6
OFFSHORE AND ON HIGH GROUND AT FIRST.
WEATHER: MAINLY CLOUDY WITH OCCASIONAL SHOWERS AND SQUALLY
THUNDERSTORMS. SHOWERS WILL BE HEAVIER AT TIMES AT FIRST.
THERE WILL BE SWELLS.
TEMP RANGE: 26 - 31 C
R.H. RANGE: 70 - 95 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: MEDIUM HIGH
DATE/MONTH 22/9 (MONDAY)
WIND: EAST TO NORTHEAST FORCE 3 TO 4.
WEATHER: SUNNY PERIODS AND A FEW SHOWERS. VERY HOT DURING
THE DAY.
TEMP RANGE: 27 - 34 C
R.H. RANGE: 60 - 90 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: MEDIUM LOW
DATE/MONTH 23/9 (TUESDAY)
WIND: NORTH FORCE 4 TO 5, OCCASIONALLY FORCE 6 OFFSHORE AND
ON HIGH GROUND LATER.
WEATHER: SUNNY PERIODS AND ONE OR TWO SHOWERS. VERY HOT
DURING THE DAY. MORE SHOWERS WITH SQUALLY THUNDERSTORMS
LATER. THERE WILL BE SWELLS.
TEMP RANGE: 27 - 33 C
R.H. RANGE: 65 - 95 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: MEDIUM
DATE/MONTH 24/9 (WEDNESDAY)
WIND: EAST TO NORTHEAST FORCE 6, UP TO FORCE 8 OFFSHORE AND
ON HIGH GROUND.
WEATHER: CLOUDY TO OVERCAST WITH SQUALLY SHOWERS AND
THUNDERSTORMS. SHOWERS WILL BE HEAVY AT TIMES. SEAS WILL BE
ROUGH WITH SWELLS.
TEMP RANGE: 26 - 30 C
R.H. RANGE: 80 - 95 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: HIGH
DATE/MONTH 25/9 (THURSDAY)
WIND: EAST TO SOUTHEAST FORCE 5 TO 6, FORCE 7 OFFSHORE AND
ON HIGH GROUND AT FIRST.
WEATHER: CLOUDY WITH SQUALLY SHOWERS AND THUNDERSTORMS.
SHOWERS WILL BE HEAVIER AT FIRST. SEAS WILL BE ROUGH WITH
SWELLS.
TEMP RANGE: 26 - 31 C
R.H. RANGE: 75 - 95 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: HIGH
DATE/MONTH 26/9 (FRIDAY)
WIND: EAST FORCE 4 TO 5.
WEATHER: MAINLY CLOUDY WITH OCCASIONAL SHOWERS AND A FEW
THUNDERSTORMS.
TEMP RANGE: 26 - 31 C
R.H. RANGE: 75 - 95 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: MEDIUM HIGH
DISPATCHED BY HONG KONG OBSERVATORY AT 05:50 HKT ON 18.09.2025
9-DAY WEATHER FORECAST
GENERAL SITUATION:
AN ANTICYCLONE ALOFT WILL BRING VERY HOT WEATHER TO
SOUTHEASTERN CHINA TODAY. THE TROPICAL CYCLONE OVER THE
NORTHEASTERN PART OF THE SOUTH CHINA SEA WILL MOVE
NORTHWESTWARDS IN THE GENERAL DIRECTION OF THE COAST OF
EASTERN GUANGDONG, AND INTENSIFY GRADUALLY TODAY AND
TOMORROW. UNDER THE INFLUENCE OF THE NORTHEAST MONSOON, THE
TROPICAL CYCLONE WILL THEN TURN WESTWARDS, MOVING CLOSER TO
THE VICINITY OF THE PEARL RIVER ESTUARY. HOWEVER, THERE ARE
UNCERTAINTIES IN ITS LANDFALL POSITION AND INTENSITY. THE
WEATHER WILL BECOME UNSETTLED OVER THE REGION TOMORROW AND
OVER THE WEEKEND. IT WILL BE WINDY WITH SQUALLY SHOWERS AND
THUNDERSTORMS. WITH THE TROPICAL CYCLONE DEPARTING, THE
WEATHER OVER GUANGDONG WILL IMPROVE BRIEFLY EARLY NEXT
WEEK. BESIDES, ANOTHER TROPICAL CYCLONE OVER THE WESTERN
NORTH PACIFIC TO THE EAST OF THE PHILIPPINES WILL INTENSIFY
SIGNIFICANTLY, AND ENTER THE NORTHERN PART OF THE SOUTH
CHINA SEA, EDGING CLOSER TO THE COAST OF SOUTHERN CHINA
EARLY NEXT WEEK. UNDER THE INFLUENCE OF ITS BROAD
CIRCULATION, THE WEATHER OVER THE REGION WILL DETERIORATE
SIGNIFICANTLY WITH WINDS STRENGTHENING AGAIN MIDWEEK NEXT
WEEK. THERE WILL BE HEAVY SQUALLY SHOWERS AND
THUNDERSTORMS. SEAS WILL BE ROUGH WITH SWELLS.
DATE/MONTH 18/9 (THURSDAY)
WIND: EAST TO NORTHEAST FORCE 3 TO 4.
WEATHER: SUNNY PERIODS AND ONE OR TWO SHOWERS. VERY HOT
DURING THE DAY. ISOLATED THUNDERSTORMS LATER.
TEMP RANGE: 28 - 34 C
R.H. RANGE: 60 - 90 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: MEDIUM LOW
DATE/MONTH 19/9 (FRIDAY)
WIND: NORTH TO NORTHWEST FORCE 4, FORCE 5 LATER,
OCCASIONALLY FORCE 6 OFFSHORE AND ON HIGH GROUND.
WEATHER: MAINLY CLOUDY WITH A FEW SHOWERS AND
THUNDERSTORMS. SUNNY INTERVALS AT FIRST. SHOWERS WILL
INCREASE LATER.
TEMP RANGE: 27 - 32 C
R.H. RANGE: 65 - 95 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: MEDIUM HIGH
DATE/MONTH 20/9 (SATURDAY)
WIND: WEST TO SOUTHWEST FORCE 5, OCCASIONALLY FORCE 6.
WEATHER: MAINLY CLOUDY WITH OCCASIONAL SQUALLY SHOWERS AND
THUNDERSTORMS. SHOWERS WILL BE HEAVIER AT TIMES. THERE WILL
BE SWELLS.
TEMP RANGE: 26 - 31 C
R.H. RANGE: 70 - 95 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: HIGH
DATE/MONTH 21/9 (SUNDAY)
WIND: SOUTH TO SOUTHEAST FORCE 4 TO 5, OCCASIONALLY FORCE 6
OFFSHORE AND ON HIGH GROUND AT FIRST.
WEATHER: MAINLY CLOUDY WITH OCCASIONAL SHOWERS AND SQUALLY
THUNDERSTORMS. SHOWERS WILL BE HEAVIER AT TIMES AT FIRST.
THERE WILL BE SWELLS.
TEMP RANGE: 26 - 31 C
R.H. RANGE: 70 - 95 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: MEDIUM HIGH
DATE/MONTH 22/9 (MONDAY)
WIND: EAST TO NORTHEAST FORCE 3 TO 4.
WEATHER: SUNNY PERIODS AND A FEW SHOWERS. VERY HOT DURING
THE DAY.
TEMP RANGE: 27 - 34 C
R.H. RANGE: 60 - 90 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: MEDIUM LOW
DATE/MONTH 23/9 (TUESDAY)
WIND: NORTH FORCE 4 TO 5, OCCASIONALLY FORCE 6 OFFSHORE AND
ON HIGH GROUND LATER.
WEATHER: SUNNY PERIODS AND ONE OR TWO SHOWERS. VERY HOT
DURING THE DAY. MORE SHOWERS WITH SQUALLY THUNDERSTORMS
LATER. THERE WILL BE SWELLS.
TEMP RANGE: 27 - 33 C
R.H. RANGE: 65 - 95 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: MEDIUM
DATE/MONTH 24/9 (WEDNESDAY)
WIND: EAST TO NORTHEAST FORCE 6, UP TO FORCE 8 OFFSHORE AND
ON HIGH GROUND.
WEATHER: CLOUDY TO OVERCAST WITH SQUALLY SHOWERS AND
THUNDERSTORMS. SHOWERS WILL BE HEAVY AT TIMES. SEAS WILL BE
ROUGH WITH SWELLS.
TEMP RANGE: 26 - 30 C
R.H. RANGE: 80 - 95 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: HIGH
DATE/MONTH 25/9 (THURSDAY)
WIND: EAST TO SOUTHEAST FORCE 5 TO 6, FORCE 7 OFFSHORE AND
ON HIGH GROUND AT FIRST.
WEATHER: CLOUDY WITH SQUALLY SHOWERS AND THUNDERSTORMS.
SHOWERS WILL BE HEAVIER AT FIRST. SEAS WILL BE ROUGH WITH
SWELLS.
TEMP RANGE: 26 - 31 C
R.H. RANGE: 75 - 95 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: HIGH
DATE/MONTH 26/9 (FRIDAY)
WIND: EAST FORCE 4 TO 5.
WEATHER: MAINLY CLOUDY WITH OCCASIONAL SHOWERS AND A FEW
THUNDERSTORMS.
TEMP RANGE: 26 - 31 C
R.H. RANGE: 75 - 95 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: MEDIUM HIGH
DISPATCHED BY HONG KONG OBSERVATORY AT 05:50 HKT ON 18.09.2025