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Port of Dubuque Marina
Port of Dubuque Marina

Port of Dubuque Marina

4.7112 Google reviews
Marina
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About

Port of Dubuque Marina is a marina in Dubuque, Iowa. The marina is a 70-slip transient marina on the upper Mississippi River, located at mile 579.4 within the protected Ice Harbor. A full-service fuel dock with gas and diesel fuels and sanitary pump-out is available within the marina.

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Boater reviews

4.7on Google, 112 reviews
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Around here

Around Port of Dubuque Marina

Miller Riverview Park1.9 miMississippi River - Pools 11-223.5 mi1 mi
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Data Source: Recreation.gov · Public land: USGS PAD-US

Typical flow by month

1998 to 2026

The water at Port of Dubuque Marina typically runs highest in June, at a median 545 cfs, and lowest in January, at 215 cfs. The highest flow on record for any single day is 20,200 cfs, in 2002.

Show the numbers
Typical flow by month at North Fork Maquoketa River near Fulton, IA, in cfs
MonthTypical (cfs)Usual range (cfs)
January215166 to 351
February307195 to 417
March390259 to 611
April410302 to 611
May411318 to 576
June545291 to 783
July426299 to 579
August308230 to 424
September264201 to 412
October256195 to 399
November265207 to 385
December239180 to 343

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 28 years of record. Statistics published by the US Geological Survey for North Fork Maquoketa River near Fulton, IA (site 05418400). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

Current conditions

Today · Sun

82Go/ 100

Partly cloudyHigh 59°F, low 37°FRain 0%Wind 10 kt, gusts 21

Streamflow

525 cfs

Above normal (85th)

Water level

3.90 ft

Air quality

22 Good

Potosi monitor, 22 km

National Weather ServiceBelow flood stage

Flood stage 12 ft. NWS reads 3.9 ft here.

Forecast from Open-Meteo global models (NOAA & ECMWF). Flood stages and forecasts: NOAA National Weather Service. Air quality: Wisconsin Dept. of Natural Resources via EPA AirNow. Preliminary data, not verified. See full conditions →

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