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SwedenIliamna River near Pedro Bay water level
River gauge, Iliamna River, Alaska, United States
Right now
Below flood stage
Water level
- Flow
- 1,010 cfs
- Water temperature
- 39 °F
History
The forecast expects the river to rise to 58.39 ft by Tuesday, October 20 at 04:00 AM. Issued Monday, October 19 at 02:18 PM by NOAA National Weather Service.
What this means
Water levels are unremarkable at Iliamna River near Pedro Bay, where the gauge shows 58.24 ft.
It is 12.76 ft below the flood stage of 71.00 ft.
It is still going down, by 0.07 ft over the past 24 hours. The forecast expects the river to rise to 58.39 ft by Tuesday, October 20 at 04:00 AM. The 30-day range is 58.24 ft – 60.68 ft.
The sensor also reports a water temperature of 39 °F.
Judged against the official flood stage for this gauge. How to read levels
Key numbers
- Highest on record
- 78.42 ftOctober 1, 2003
- Forecast peak
- 58.39 ftTuesday, October 20 at 04:00 AM
Paddling and fishing conditions
Most paddlers and anglers will find the river in good shape at this stage.
For reference, flood stage is 71.00 ft.
What happens at each level
- 64.00 ft
- At this level, water begins to flow over the Pile Bay-Williamsport road.
- 58.24 ft
- Right now
Impact statements from the U.S. National Weather Service.
Highest crests on record
| Rank | Level | Date |
|---|---|---|
| 1 | 78.42 ft | October 1, 2003 |
| 2 | 71.82 ft | June 8, 1998 |
| 3 | 71.53 ft | September 21, 2016 |
| 4 | 71.16 ft | September 18, 1999 |
| 5 | 70.93 ft | November 6, 2002 |
| 6 | 70.48 ft | October 13, 2013 |
| 7 | 69.99 ft | September 22, 2012 |
| 8 | 69.69 ft | October 10, 2009 |
| 9 | 69.44 ft | July 19, 2001 |
| 10 | 69.20 ft | August 2, 2000 |
Weather at the gauge
The forecast is not available right now.
Map
Questions and answers
What is flood stage for the Iliamna River near Pedro Bay?
The official flood stage is 71.00 ft. The level is currently 12.76 ft below it.
Is gage height the same as water depth?
No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.
What is the water level of Iliamna River near Pedro Bay today?
On Oct 20, 2026, 05:30 AM AKDT, the water level was 58.24 ft. Down 0.07 ft over the last 24 hours.
Is Iliamna River near Pedro Bay rising or falling?
Down 0.07 ft over the last 24 hours.
Is the level of Iliamna River near Pedro Bay normal?
Below flood stage. Judged against the official flood stage for this gauge.
What is the highest water level ever recorded at Iliamna River near Pedro Bay?
The highest level on record is 78.42 ft on October 1, 2003.
Is Iliamna River near Pedro Bay expected to rise?
The forecast expects the river to rise to 58.39 ft by Tuesday, October 20 at 04:00 AM.
For specialists
Station codes, datum, parameters, data quality and downloads
- Operator
- U.S. Geological Survey
- Station code
usgs:15300300(Agency page)- Coordinates
59.75795, -153.84689(WGS84)- Vertical datum
- NGVD29
- Update interval
- every 15 minutes
- Licence
- Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision
Published series
| Parameter | Last value | Time (UTC) | Quality |
|---|---|---|---|
| Water level | 58.24 ft | 2026-10-20 13:30 | Provisional |
| Flow | 1,010 cfs | 2026-10-20 13:30 | Provisional |
| Water temperature | 39 °F | 2026-10-20 13:30 | Provisional |
Download
Embed this gauge
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How to cite
U.S. Geological Survey: Iliamna River near Pedro Bay (usgs:15300300). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/alaska/iliamna-river-near-pedro-bay
How we check values
Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.
Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer