9-DAY WEATHER FORECAST


9-DAY WEATHER FORECAST
 
GENERAL SITUATION:
TROPICAL CYCLONE MITAG WILL EDGE CLOSER TO THE COAST OF
EASTERN GUANGDONG AND INTENSIFY GRADUALLY TODAY. UNDER THE
INFLUENCE OF THE NORTHEAST MONSOON, MITAG WILL THEN TURN
WESTWARDS, MOVING CLOSER TO THE VICINITY OF THE PEARL RIVER
ESTUARY. IT WILL BE WINDY WITH SQUALLY SHOWERS AND
THUNDERSTORMS OVER THE REGION TODAY AND TOMORROW. WITH
MITAG DEPARTING, THE WEATHER WILL IMPROVE BRIEFLY AND WILL
BE VERY HOT EARLY NEXT WEEK. TROPICAL CYCLONE RAGASA OVER
THE WESTERN NORTH PACIFIC TO THE EAST OF THE PHILIPPINES IS
EXPECTED TO INTENSIFY SIGNIFICANTLY IN THE NEXT FEW DAYS,
AND ENTER THE NORTHERN PART OF THE SOUTH CHINA SEA EARLY
NEXT WEEK. IT WILL THEN EDGE CLOSER TO THE COAST OF
SOUTHERN CHINA. 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, THUNDERSTORMS
AND STORM SURGE. SEAS WILL BE VERY ROUGH WITH SWELLS.
 
DATE/MONTH 19/9 (FRIDAY)
WIND: NORTH FORCE 4 TO 5, OCCASIONALLY FORCE 6 OFFSHORE AND
ON HIGH GROUND. BECOMING NORTHWEST FORCE 6, UP TO FORCE 7
OFFSHORE AND ON HIGH GROUND.
WEATHER: MAINLY CLOUDY WITH A FEW SHOWERS AND
THUNDERSTORMS. SHOWERS WILL INCREASE GRADUALLY WITH
SQUALLS. SUNNY INTERVALS IN THE MORNING.
TEMP RANGE: 27 - 32 C
R.H. RANGE: 70 - 95 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: HIGH
 
DATE/MONTH 20/9 (SATURDAY)
WIND: WEST TO SOUTHWEST FORCE 5, OCCASIONALLY FORCE 6 AT
FIRST, UP TO FORCE 7 OFFSHORE AND ON HIGH GROUND.
WEATHER: MAINLY CLOUDY WITH OCCASIONAL SQUALLY SHOWERS AND
THUNDERSTORMS. SHOWERS WILL BE HEAVY AT TIMES. SEAS WILL BE
ROUGH WITH 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.
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 ONE OR TWO 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, FORCE 5 LATER, OCCASIONALLY FORCE 6
OFFSHORE AND ON HIGH GROUND.
WEATHER: SUNNY PERIODS. VERY HOT DURING THE DAY. SQUALLY
SHOWERS AND THUNDERSTORMS LATER. THERE WILL BE SWELLS.
TEMP RANGE: 27 - 34 C
R.H. RANGE: 60 - 95 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: MEDIUM
 
DATE/MONTH 24/9 (WEDNESDAY)
WIND: NORTH TO NORTHEAST FORCE 6 TO 7, UP TO FORCE 9
OFFSHORE AND ON HIGH GROUND, BECOMING EAST TO SOUTHEAST
LATER.
WEATHER: CLOUDY TO OVERCAST WITH HEAVY SQUALLY SHOWERS AND
THUNDERSTORMS. SEAS WILL BE VERY 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 VERY ROUGH
WITH SWELLS.
TEMP RANGE: 26 - 30 C
R.H. RANGE: 80 - 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
 
DATE/MONTH 27/9 (SATURDAY)
WIND: EAST FORCE 4, OCCASIONALLY FORCE 5.
WEATHER: MAINLY CLOUDY WITH A FEW SHOWERS. SUNNY INTERVALS
DURING THE DAY.
TEMP RANGE: 27 - 32 C
R.H. RANGE: 70 - 95 PER CENT
PROBABILITY OF SIGNIFICANT RAIN FORECAST: MEDIUM

DISPATCHED BY HONG KONG OBSERVATORY AT 06:21 HKT ON 19.09.2025