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Hidden Harbor Marina

Hidden Harbor Marina

Hidden Harbor Marina is a marina in Bigfork, Montana. It is located on Flathead Lake in Woods Bay.

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Typical flow by month

1922 to 2025

The water at Hidden Harbor Marina typically runs highest in June, at a median 3,125 cfs, and lowest in February, at 432 cfs. The highest flow on record for any single day is 8,800 cfs, in 1974.

Typical flow by month at Swan River near Bigfork, MT, in cfs
MonthTypical (cfs)Usual range (cfs)Relative level
January449381 to 556
February432364 to 565
March517413 to 703
April1,365956 to 1,935
May2,5901,870 to 3,320
June3,1252,380 to 4,080
July1,480970 to 1,990
August634492 to 801
September476399 to 583
October500393 to 590
November540437 to 678
December477409 to 583

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 103 years of record. Statistics published by the US Geological Survey for Swan River near Bigfork, MT (site 12370000). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

Current conditions

94Go/ 100 conditions scoreBest day: Thu, Sep 24 (96)

Streamflow

560 cfs

Normal (71st)

Water level

2.42 ft

High today

77°F

Wind

6 kt

Gusts 9 kt

Rain chance

6%

Week ahead

Tue77°F6%
Wed75°F2%
Thu74°F1%
Fri68°F60%
Sat59°F60%
Sun64°F5%
Mon62°F18%

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

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