Australian Government Bureau of Meteorology, Australia
Initial Flood Watch For The River Derwent, Northern And North East Catchments, And Parts Of Western Tasmania
Issued at 12:45 PM AEDT on Tuesday 21 October 2025
Flood Watch Number: 1
MINOR FLOODING LIKELY ACROSS THE FLOOD WATCH AREA FROM LATE WEDNESDAY, ISOLATED MODERATE FLOODING POSSIBLE FROM THURSDAY
Catchments likely to be affected include:
East Coastal Rivers (north of Bicheno)
Derwent River
Pieman River
Nelson Bay Coastal Rivers
Arthur River
Northwest and Central Coastal Rivers
Forth River
Mersey River
Meander River
Macquarie River
South Esk River
North Esk River
Tamar (Launceston)
Ringarooma River
North Coastal Rivers
For the latest flood and weather warnings see http://www.bom.gov.au/australia/warnings
For the latest rainfall and river level information see http://www.bom.gov.au/australia/flood
Flood Safety Advice:
Don't drive, walk, swim or play in floodwater because it is dangerous.
Stay away from flooded drains, rivers, streams and waterways.
Obey road closure signs. Plan ahead so you don't drive on flooded roads.
Check the ABC and local media for updates. The situation can change quickly, so stay informed.
For local emergency management warnings and advice visit www.alert.tas.gov.au.}
For emergency assistance call SES on telephone number 132 500. In life-threatening emergencies, call 000 (triple zero) immediately.
Next issue:
The next Flood Watch will be issued by 01:00 PM AEDT on Wednesday 22 October 2025.
Forecast
Cape Portland (40.7849°S, 147.9939°E, 24m AMSL) set as my default location ›
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7 day forecast
Today: Partly cloudy. Slight chance of a shower, most likely in the evening. Winds W 20 to 30 km/h decreasing to 15 to 20 km/h in the late evening. Daytime maximum temperatures between 13 and 17.
Forecast for Cape Portland (40.7849°S, 147.9939°E, 24m AMSL) Tue Wed Thu Fri Sat Sun Mon Summary Minimum 10° 11° 8° 8° 8° 11° 6° Maximum 14° 14° 14° 15° 14° 13° 11° Chance of rain 80% 80% 5% 5% 70% 90% 70% Likely amount 1-5mm 10-20mm < 1mm < 1mm 1-5mm 5-10mm 1-5mm UV index High High High High High High High Fire Danger Rating Moderate No Rating No Rating Moderate - - - Frost risk Nil Nil Nil Nil Nil Nil Nil 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm 9am 3pm Wind speed 27
(km/h)33
(km/h)9
(km/h)16
(km/h)16
(km/h)31
(km/h)20
(km/h)27
(km/h)19
(km/h)29
(km/h)17
(km/h)26
(km/h)25
(km/h)21
(km/h)Wind direction WNW NW ESE NW W WNW W NW WNW NW WSW SSW SW S Relative humidity 63% 59% 92% 93% 64% 55% 63% 54% 64% 60% 82% 70% 57% 51% Dew point 5°C 6°C 10°C 12°C 4°C 5°C 5°C 6°C 5°C 6°C 9°C 8°C 1°C 1°C -
Sunrise and sunset times
Sunrise / Sunset for Cape Portland (40.7849°S, 147.9939°E, 24m AMSL) First light Sunrise Sunset Last light Moon rise Moon set Moon phase New moon First quarter Full moon Last quarter 5:41am EDT 6:10am EDT 7:33pm EDT 8:02pm EDT 5:41am EDT 7:26pm EDT New moon
New moon Oct 21 First quarter Oct 30 Full moon Nov 06 Last quarter Nov 12 -
Warnings
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Temperature for next 7 days
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Rain for next 7 days