Waterlands
Columbia Slough
USGS · 14211820
COLUMBIA SLOUGH
USGS · 14211820LIVE

COLUMBIA SLOUGH AT PORTLAND, OR

PORTLAND, OR45.6390°N, -122.7632°W Updated 36 min ago
FLOW RATE
62.4cfs
GAUGE HT
2.99ft
AIR TEMP
60°F
WIND
3mph N
FISH INDEX
75SCORE / 100
GREAT · 4 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 DAY
62.4cfs 206.5% vs avg
Optimal band: 502–680 cfs
PERIOD HIGH
1,100cfs
PERIOD LOW
16cfs
RUNNABLE
9%
last 1 day in band

Gauge Height

2.99ft
Precipitation History
Your History · COLUMBIA SLOUGH AT PORTLAND, OR

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Weather Conditions
WEATHER CONDITIONS
TODAY
78°
61°
SUN
77°
54°
MON
87°
54°
TUE
88°
51°
WED
91°
53°
THU
91°
56°
FRI
87°
53°
TIME
SUN
7
NOW
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
MON
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
TUE
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
WED
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
THU
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
TEMP
hourly forecast
57°
mild
57°
58°
62°
65°
68°
71°
73°
75°
76°
77°
77°
76°
75°
72°
68°
65°
62°
60°
59°
57°
56°
56°
54°
54°
58°
62°
65°
69°
73°
76°
79°
81°
84°
86°
87°
87°
83°
75°
67°
63°
59°
57°
56°
54°
53°
52°
51°
51°
54°
60°
65°
70°
75°
79°
83°
85°
87°
88°
88°
86°
83°
75°
67°
63°
60°
59°
57°
58°
56°
54°
53°
53°
56°
62°
67°
72°
77°
82°
85°
88°
90°
91°
91°
90°
82°
76°
70°
67°
65°
63°
61°
59°
58°
57°
56°
56°
59°
64°
70°
75°
79°
82°
85°
87°
89°
91°
91°
88°
82°
77°
71°
66°
WIND
mph · gust · dir
4mph NNW
G 13 mph
4
G13
NNW
5
G11
N
7
G10
N
7
G10
N
8
G11
N
9
G12
N
9
G11
N
9
G12
N
10
G13
N
10
G14
N
10
G14
N
10
G15
N
10
G15
N
8
G14
NNW
5
G13
NNW
3
G7
NNW
3
G7
NNE
1
G5
NNW
3
G7
NW
3
G6
WNW
4
G5
WNW
4
G6
WNW
2
G6
WNW
3
G6
W
3
G10
NW
6
G14
N
7
G12
N
6
G9
NNE
6
G8
NNE
6
G8
NNE
6
G8
N
7
G9
N
6
G9
E
5
G9
NNE
3
G9
NE
3
G7
NNE
8
G12
N
8
G19
NNW
6
G19
NNW
6
G18
NW
5
G19
NNW
3
G11
NW
4
G11
NW
3
G5
NW
3
G6
NNW
3
G5
NNW
3
G5
N
3
G5
N
3
G7
N
3
G7
N
4
G7
N
4
G7
N
5
G7
N
5
G7
N
5
G7
N
6
G7
N
6
G7
N
7
G8
N
9
G10
N
9
G10
N
9
G16
NNW
7
G19
NW
6
G20
NW
6
G18
NNW
4
G15
NW
4
G16
NNW
4
G15
NNW
5
G18
NNW
5
G16
N
4
G11
N
3
G10
N
3
G7
NNW
3
G9
NNE
4
G8
NNE
4
G8
N
5
G8
N
6
G9
N
7
G9
N
8
G10
N
9
G11
N
10
G12
N
11
G14
N
10
G13
NNW
11
G14
NNW
8
G19
NW
7
G20
WNW
6
G19
WNW
5
G17
NW
4
G13
NNW
4
G11
NW
3
G15
N
3
G7
N
2
G5
NNW
3
G5
N
2
G3
N
2
N
2
G3
N
1
G2
ENE
1
G2
SSE
2
G3
S
2
G3
S
3
G4
SSW
4
G5
SW
5
G6
SW
5
G6
SW
5
G7
SSW
6
G7
SSW
4
G10
SSW
3
G14
WNW
5
G16
NNW
5
G16
NNW
5
G14
N
PRECIP
chance %
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
5%
5%
5%
5%
5%
5%
2%
2%
2%
2%
2%
2%
8%
8%
8%
8%
8%
8%
19%
19%
19%
19%
19%
19%
11%
11%
11%
11%
11%
11%
2%
2%
2%
2%
2%
2%
1%
1%
1%
1%
1%
CLOUDS
cover %
100%
overcast
100%
100%
50%
69%
2%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
32%
100%
29%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
74%
100%
12%
100%
100%
0%
5%
6%
5%
0%
0%
5%
6%
6%
6%
5%
0%
0%
0%
6%
100%
6%
5%
84%
87%
80%
93%
6%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
13%
0%
0%
0%
20%
49%
70%
78%
77%
PRESSURE
hPa · trend
1022
1022102010181019102010181014101810201017101510181018101410101012101310101010
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
75
Temperature
Ideal
Wind
Calm
Pressure
Rising — Slow
Moon Phase
Average
DAYLIGHT
SUNRISE
05:33 AM
SUNSET
08:59 PM
15H 26M OF DAYLIGHT
MOON PHASE
Waning Crescent
7% illuminated

Station Location

45.6390, -122.7632
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-12 06:20 UTC
Site #14211820·USGS

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