River stage
Port Royal, Red River
- River level
- 3.79 ft
- Status
- Below flood stage
- 7-day change
- +0.00 ft
- Recent high
- 11.96 ft
- Recent low
- 3.71 ft
Last reported 2026-10-13 | NWS PORT1
- 30-day change
- -0.56 ft
- Average
- 4.84 ft
- Readings
- 122
- Data span
- 122 days
- Record crest
- 49.48 ft
In brief
The Red River at Port Royal, TN read 3.79 ft on Oct 13, 2026, 21.21 ft below action stage. That is 0.56 ft lower than 30 days earlier.
Source: National Weather Service gauge PORT1
River level timeline
Stage threshold profile
Highest crests on record
| Rank | Crest | Date |
|---|---|---|
| 1 | 49.48 ft | 2010-05-03 |
| 2 | 48.26 ft | 1975-03-13 |
| 3 | 44.40 ft | 1937-01-23 |
| 4 | 43.18 ft | 1962-02-27 |
| 5 | 42.36 ft | 1983-05-20 |
| 6 | 42.14 ft | 1978-12-09 |
| 7 | 41.46 ft | 1997-03-03 |
| 8 | 40.54 ft | 1984-05-08 |
Flood crests recorded at this gauge by the National Weather Service.
What happens at each level
- 24.00 ft
The Port Royal State Park public access area and parking lot begin to be inundated, and water begins to inundate low lying portions of the golf course at The River Club.
- 26.00 ft
Low lying agricultural areas along the river begin to be inundated, and water continues to affect the Port Royal State Park public access area and parking lot, as well as portions of the golf course at The River Club.
- 28.00 ft
Portions of the Red River Valley Park and canoe launch, and the Porters Chapel Public Access parking area begin to be inundated. Water continues to inundate agricultural areas along the river, the Port Royal State Park public access area, and the golf course at The River Club. Portions of the golf course at the Clarksville Country Club begin to be inundated.
- 30.00 ft
Low lying agricultural areas along the Red River from the Kentucky State Line through Adams, past Port Royal State Park, and down to Clarksville begin to flood. This includes the Red River Valley Park where water is up to the parking area, the Porters Chapel Public Access area, The River Club golf course, and portions of the Clarksville Country Club.
- 32.00 ft
Flood waters continue to impact agricultural land and adjacent areas along the river from the Kentucky State Line through Adams, past Port Royal State Park, to Clarksville. This includes the Red River Valley Park where water covers most of the parking area, the Porters Chapel Public Access area, The River Club golf course which is mostly covered, and portions of the Clarksville Country Club.
- 34.00 ft
Flooding continues to affect agricultural land and adjacent areas along the river, including the Porter Chapel Public Access Area, and the Red River Valley Park where water approaches campsites and evacuations may be needed for higher levels. Water approaches Port Royal Rd near Hwy 238 which may be impassable at higher levels.
- 36.00 ft
Flooding continues to affect agricultural land, parks, and access areas along the river, including the Red River Valley Park where water reaches campsites and evacuations may be needed, and Port Royal Rd near Hwy 238 which is covered with water. Water approaches Dunbar Cave Rd just west of Warfield Blvd and may be impassable at higher levels.
- 38.00 ft
Significant flooding is impacting agricultural land, parks, and access areas along the river, including the Red River Valley Park where several campsites are flooded, and Port Royal Rd near Hwy 238 which is covered with water. Water approaches Dunbar Cave Rd just west of Warfield Blvd and may be impassable at higher levels, and water reaches low lying portions of the Swan Lake Golf Course.
- 40.00 ft
Significant flooding continues to affect areas along the river, including the Red River Valley Park, Port Royal Rd near Hwy 238, Dunbar Cave Rd just west of Warfield Blvd which is covered with water, and portions of the Swan Lake Golf Course. Water reaches yards of homes on Rivermont Dr, River Run, Idlewood Dr, and Wimbledon Ct.
- 42.00 ft
Flood waters begin to approach homes on Rivermont Dr, River Run, Idlewood Dr, and Wimbledon Ct, and approach yards of homes on Colin Ct, E Accipiter Cir, Pond Apple Rd, Foxfire Rd, Hay Market Rd, and Riverhaven Dr. Roads are also impacted and impassable, including Port Royal Rd near Hwy 238 and Dunbar Cave Rd just west of Warfield Blvd.
Written by the local National Weather Service forecast office for this exact gauge.
Frequently asked questions
Is the Red River flooding at Port Royal?
No. The Red River at Port Royal is at 3.79 ft, 21.21 ft below action stage.
What is the flood stage at Port Royal?
The National Weather Service sets action stage 25 ft, minor flooding 30 ft, moderate flooding 38 ft and major flooding 40 ft.
What is the highest the Red River has been at Port Royal?
The highest crest on record is 49.48 ft, on 2010-05-03.
Is the Red River high or low right now at Port Royal?
At 3.79 ft it is higher than 13% of readings over the last 122 days.
Stage and flood information from the NOAA National Weather Service (gauge PORT1); daily history from the U.S. Geological Survey (site 03436100). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.