How high is the Skagit River at Marblemount, WA right now?

The Skagit River at Marblemount, WA is currently flowing at 6,310 cubic feet per second with a gage height of 4.40 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Skagit River at Marblemount, WA normal for this time of year?

Current flow is classified as normal for June 11. Today's discharge is at the 51th percentile compared to the long-term historical record at this gauge.

What is the historical median flow for the Skagit River at Marblemount, WA on June 11?

The long-term median discharge for this date is 6,270 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 4,230 to 12,100 cfs.

Where is the Skagit River at Marblemount, WA stream gauge located?

The Skagit River at Marblemount, WA stream gauge is operated by the USGS in Skagit County, WA on the Skagit River. USGS site number 12181000 (coordinates 48.5337, -121.4298).

Skagit River at Marblemount, WA

USGS Site No: 12181000 • Skagit River • Skagit County, WA

Skagit River at Marblemount, WA on the Skagit River is currently at 6,310 cfs (Normal — 51th percentile for this date) . Gage height: 4.40 ft.

Reading from 1 week ago

↑ Upstream on Skagit River

Skagit River Above Alma Creek Near Marblemount, WA

Downstream on Skagit River ↓

Skagit River Near Concrete, WA

6,310

CFS Discharge

4.40

Gage Height (ft)

Normal

Flow Condition

N/A

Flood Status

Historical Percentile Comparison

Today's discharge compared to the long-term record for June 11 at this station. Percentile rank shows what fraction of historical years had lower flow on this date.

Percentile	Label	CFS Threshold	Today's Flow
10th	Very Low threshold	4,230
25th	Low threshold	4,900
50th (Median)	Normal (median)	6,270
75th	High threshold	8,170	Today: 6,310 cfs
95th	Very High threshold	12,100

30-Day Hydrograph

Recent discharge plotted against the historical 10th–95th percentile envelope for the same calendar days. Source: USGS daily values + long-term statistics.

10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date	Discharge (CFS)	Gage Ht (ft)
May 28, 2026	6,190	4.36
May 27, 2026	5,330	4.12
May 26, 2026	5,120	4.05
May 25, 2026	5,300	4.11
May 24, 2026	5,390	4.13
May 23, 2026	5,410	4.14
May 22, 2026	5,280	4.10
May 21, 2026	5,170	4.07
May 20, 2026	5,080	4.04
May 19, 2026	5,090	4.04
May 18, 2026	5,090	4.04
May 17, 2026	5,700	4.22
May 16, 2026	6,240	4.38
May 15, 2026	6,040	4.32
Apr 20, 2026	4,730	3.93
Apr 19, 2026	4,490	3.85
Apr 18, 2026	4,440	3.83
Apr 17, 2026	4,490	3.85
Apr 16, 2026	4,530	3.86
Apr 15, 2026	4,820	3.96
Apr 14, 2026	4,760	3.94
Apr 13, 2026	4,810	3.95
Apr 12, 2026	4,640	3.90
Apr 11, 2026	4,660	3.91
Apr 10, 2026	4,590	3.88
Apr 9, 2026	4,560	3.87
Apr 8, 2026	4,630	3.90
Apr 7, 2026	4,850	3.97
Apr 6, 2026	4,750	3.94
Apr 5, 2026	4,530	3.86

Station Information

USGS Site No: 12181000
State: WA
County: Skagit County
Coordinates: 48.5337, -121.4298
Drainage Area: 1,381 mi²
Datum (ft): 308.6
HUC Code: 17110005

View on USGS NWIS →

Recent Extremes

Max discharge: 32,600 cfs

Dec 11, 2025
Min discharge: 2,750 cfs

Sep 1, 2025

Computed from the local daily-values archive.

Nearby Gauges

Cascade River at Marblemount, WA
0.8 mi · 1,800 cfs

Normal
Diobsud Creek Near Marblemount, WA
2.0 mi · 120 cfs

Very High
Bacon Creek Below Oakes Creek Near Marblemount, WA
5.1 mi · 632 cfs

Normal
Skagit River Above Alma Creek Near Marblemount, WA
6.0 mi · 3,910 cfs

Normal
Sauk River Near Sauk, WA
9.9 mi · 5,240 cfs

Low