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Around Saint Johns River
Before you go
Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US
About this river
Saint Johns River is a 58.7 mile river near St. Augustine Scenic Cruise in Florida. Streamflow is measured at the USGS gauge ST. Johns River at Astor, FL (site 02236125). The National Hydrography Dataset places it at stream order 7. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1994 to 2026
Saint Johns River typically runs highest in October, at a median 5,230 cfs, and lowest in May, at 1,390 cfs. The highest flow on record for any single day is 17,200 cfs, in 2023.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 2,730 | 1,670 to 4,410 |
| February | 2,260 | 1,360 to 3,440 |
| March | 1,960 | 866 to 3,170 |
| April | 1,665 | 585 to 2,645 |
| May | 1,390 | 423 to 2,240 |
| June | 1,890 | 988 to 2,870 |
| July | 3,090 | 2,070 to 3,860 |
| August | 3,480 | 1,980 to 4,950 |
| September | 4,185 | 2,755 to 5,945 |
| October | 5,230 | 3,610 to 8,080 |
| November | 4,710 | 2,635 to 7,775 |
| December | 3,660 | 2,100 to 5,780 |
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 32 years of record. Statistics published by the US Geological Survey for ST. Johns River at Astor, FL (site 02236125). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
8 mapped launches sit in the mapped area of Saint Johns River. Ramp data comes from the USGS national boat-ramp inventory.
- Buck Lake Recreation AreaBuck LakePublic
- Fales Prairie Recreation Area Primitive Boat RampFarles LakePublic
- Powell's CampgroundSt. Johns RiverRestricted
- Astor Landing Campground and Boat RampSt. Johns RiverRestricted
- Ocala National Forest - Sellers LakeSellers LakePublic
- Ocala National Forest - Beakman Lake Public Boat RampBeakman LakePublic
- Chain-O-Lakes Western Boat Access (Forest Road 562)Chain-O-LakesPublic
- Ocala National Forest - Lawbreaker Lake Undeveloped Access EastLawbreaker LakePublic
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Saint Johns River's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
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