Hayden Bay Marina

Hayden Bay Marina is a marina in Portland, OR. The marina provides easy access to the main channel of the Columbia River. Fuel and pump-out stations are available.

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Vessels: Powerboat

Boat launches near Hayden Bay Marina

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Typical flow by month

1990 to 2026

The water at Hayden Bay Marina typically runs highest in January, at a median 151 cfs, and lowest in May, at 67 cfs. The highest flow on record for any single day is 2,400 cfs, in 1996.

Typical flow by month at Columbia Slough at Portland, OR, in cfs
Month	Typical (cfs)	Usual range (cfs)
January	151	90 to 235
February	150	83 to 223
March	134	68 to 196
April	108	38 to 180
May	67	-11 to 145
June	88	15 to 158
July	94	50 to 142
August	78	35 to 122
September	74	36 to 112
October	90	46 to 132
November	110	62 to 161
December	128	73 to 203

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 35 years of record. Statistics published by the US Geological Survey for Columbia Slough at Portland, OR (site 14211820). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

Current conditions

93Go/ 100 conditions scoreBest day: Mon, Sep 28 (96)

Streamflow

273 cfs

Much above normal (95th)

Water level

1.51 ft

High today

72°F

Wind

6 kt

Gusts 16 kt

Rain chance

Week ahead

Tue72°F0%

Wed69°F2%

Thu70°F68%

Fri65°F89%

Sat70°F6%

Sun66°F2%

Mon67°F4%

Forecast from Open-Meteo global models (NOAA & ECMWF). See full conditions →

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