Riverplace Marina
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Boat launches near Riverplace Marina
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Typical flow by month
1973 to 2026
The water at Riverplace Marina typically runs highest in January, at a median 56,000 cfs, and lowest in August, at 8,200 cfs. The highest flow on record for any single day is 420,000 cfs, in 1996.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 56,000 | 32,600 to 88,200 | |
| February | 40,800 | 23,800 to 64,400 | |
| March | 37,000 | 26,000 to 58,200 | |
| April | 32,000 | 24,000 to 44,350 | |
| May | 24,400 | 18,000 to 34,000 | |
| June | 16,000 | 12,400 to 22,100 | |
| July | 9,000 | 7,870 to 10,800 | |
| August | 8,200 | 7,500 to 9,440 | |
| September | 9,995 | 8,660 to 11,900 | |
| October | 13,200 | 11,000 to 16,100 | |
| November | 27,700 | 18,200 to 42,900 | |
| December | 53,900 | 27,500 to 93,300 |
Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 53 years of record. Statistics published by the US Geological Survey for Willamette River at Portland, OR (site 14211720). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Current conditions
Streamflow
10,800 cfs
Normal (44th)
Water level
0.84 ft
Water
64°F
High today
72°F
Wind
6 kt
Gusts 16 kt
Rain chance
0%
Week ahead
Forecast from Open-Meteo global models (NOAA & ECMWF). See full conditions →
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