9-DAY WEATHER FORECAST


9-DAY WEATHER FORECAST
 
GENERAL SITUATION:
TROPICAL CYCLONE MITAG WILL MOVE TOWARDS THE COAST OF
EASTERN GUANGDONG 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 TO NORTHWEST FORCE 6, UP TO FORCE 7 OFFSHORE
AND ON HIGH GROUND.
WEATHER: MAINLY CLOUDY WITH A FEW SQUALLY SHOWERS AND
THUNDERSTORMS. SHOWERS WILL INCREASE GRADUALLY. SEAS WILL
BE ROUGH WITH SWELLS.
TEMP RANGE: 27 - 31 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 09:31 HKT ON 19.09.2025