About this river
Saint Johns River is a 20.7 mile river near Titusville Marina in Florida. Streamflow is measured at the USGS gauge ST. Johns River near Christmas, FL (site 02232500). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1934 to 2026
Saint Johns River typically runs highest in October, at a median 2,200 cfs, and lowest in May, at 209 cfs. The highest flow on record for any single day is 11,600 cfs, in 1954.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 805 | 350 to 1,200 | |
| February | 595 | 371 to 1,090 | |
| March | 457 | 224 to 1,050 | |
| April | 300 | 123 to 1,025 | |
| May | 209 | 78 to 599 | |
| June | 288 | 125 to 812 | |
| July | 718 | 291 to 1,460 | |
| August | 1,310 | 554 to 2,270 | |
| September | 1,815 | 901 to 2,905 | |
| October | 2,200 | 1,260 to 3,950 | |
| November | 1,685 | 785 to 2,850 | |
| December | 1,100 | 483 to 1,810 |
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 92 years of record. Statistics published by the US Geological Survey for ST. Johns River near Christmas, FL (site 02232500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
5 mapped launches sit in the mapped area of Saint Johns River, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.
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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