oke U. S. Army Corps of Engineers, Jacksonville District Lake Okeechobee and Vicinity Report ** Preliminary Data - Subject to Revision ** LOSOM24 Reg ZoneA = 16.54 LOSOM24 Reg ZoneBC = 16.14 LOSOM24 Reg ZoneD = 10.69 Data Ending 2400 hours 10 JUN 2026 _____________________________________________________________________________ Okeechobee Lake Regulation Elevation Last Year 2YRS Ago (ft-NGVD) (ft-NGVD) (ft-NGVD) *Okeechobee Lake Elevation 11.13 11.15 12.66 (Official Elv) 10JUN (1965-2007) Period of Record Average 13.15 Difference from POR Average -2.02 Today Lake Okeechobee elevation is determined from the 4 Int & 4 Edge stations ++Navigation Depth (Based on 2007 Channel Condition Survey) Route 1 ÷ 5.07' ++Navigation Depth (Based on 2008 Channel Condition Survey) Route 2 ÷ 3.27' Bridge Clearance = 49.70' ______________________________________________________________________________ 4 Interior and 4 Edge Okeechobee Lake Average (Avg-Daily values): L001 L005 L006 LZ40 S4 S352 S308 S133 11.18 -NR- 11.17 11.07 11.16 11.18 11.08 11.09 *Combination Okeechobee Avg-Daily Lake Average = 11.13 (*See Note) ______________________________________________________________________________ Okeechobee Inflows (cfs): S65E 278 S65EX1 0 Fisheating Cr 0 S154 0 S191 0 S135 Pumps 0 S84 0 S133 Pumps 0 S2 Pumps 0 S84X 0 S127 Pumps 0 S3 Pumps 0 S71 0 S129 Pumps 0 S4 Pumps 0 S72 0 S131 Pumps 0 C5 0 Total Inflows: 278 Okeechobee Outflows (cfs): S135 Culverts 0 S354 377 S77 686 S127 Culverts 0 S351 707 S308 -4 S129 Culverts 0 S352 0 S131 Culverts 0 L8 Canal Pt 19 Total Outflows: 1785 ****S77 structure flow is being used to compute Total Outflow. ****S308 structure flow is being used to compute Total Outflow. Okeechobee Pan Evaporation (inches): S77 0.34 S308 -NR- Average Pan Evap x 0.75 Pan Coefficient = -NR-" = -NR-' Lake Average Precipitation using NEXRAD: = -NR-" = -NR-' Evaporation - Precipitation: = -NR-" = -NR-' Evaporation - Precipitation using Lake Area of 730 square miles is equal to -NR- Lake Okeechobee (Change in Storage) Flow is -3529 cfs or -7000 AC-FT ______________________________________________________________________________ ______________________________________________________________________________ Headwater Tailwater ----------- Gate Positions ------------ Elevation Elevation Disch #1 #2 #3 #4 #5 #6 #7 #8 (ft-msl) (ft-msl) (cfs) (ft) (ft) (ft) (ft) (ft) (ft) (ft) (ft) (I) see note at bottom North East Shore S133 Pumps: 12.53 11.18 0 0 0 0 0 -NR- (cfs) S193: ______ S191: 18.60 11.13 0 0.0 0.0 0.0 S135 Pumps: 12.40 10.99 0 0 0 0 0 (cfs) S135 Culverts: 0 0.0 0.0 North West Shore S65E: 20.85 11.08 278 0.1 0.1 0.1 0.1 0.1 0.0 S65EX1: 20.85 11.08 0 S127 Pumps: 11.90 11.23 0 0 0 0 0 0 (cfs) S127 Culvert: 0 0.0 S129 Pumps: 13.25 11.16 0 0 0 0 (cfs) S129 Culvert: 0 0.0 S131 Pumps: 12.39 11.20 0 0 0 (cfs) S131 Culvert: 0 Fisheating Creek nr Palmdale 27.30 0 nr Lakeport ______ S282 11.08 11.08 0.0 0.0 0.0 South Shore S4 Pumps: 11.00 11.03 0 0 0 0 (cfs) S169: ______ -NR- -NR- -NR- -NR- -NR- S310: ______ -NR- S3 Pumps: 10.04 10.96 0 0 0 0 (cfs) S354: 10.96 10.04 377 1.5 1.0 S2 Pumps: 9.91 10.95 0 0 0 0 0 (cfs) S351: 10.95 9.91 707 1.8 1.8 1.9 S352: 11.18 10.11 0 0.0 0.0 S271: 11.32 11.41 9.2 9.6 9.8 8.5 L8 Canal PT ______ 19 _________________________________________________________________________ S351 and S352 Temporary Pumps/S354 Spillway S351: 9.91 10.95 707 -NR--NR--NR--NR--NR--NR- S352: 10.11 11.18 0 -NR--NR--NR--NR- S354: 10.04 10.96 377 -NR--NR--NR--NR- _________________________________________________________________________ Caloosahatchee River (S77, S78, S79) S47B: 10.86 10.63 0.0 0.0 S47D: 10.71 10.73 -8 5.0 S77: Spillway and Sector Preferred Flow: 10.88 10.60 686 4.0 4.0 0.0 0.0 Flow Due to Lockages+: 0 S78: Spillway and Sector Flow: 10.64 2.84 314 0.5 0.0 0.0 0.5 Flow Due to Lockages+: 10 S79: Spillway and Sector Flow: 3.14 1.51 370 0.0 0.0 0.5 1.0 0.0 0.0 0.0 0.0 Flow Due to Lockages+: 4 Percent of flow from S77 185% Chloride (ppm) 0 St. Lucie Canal (S308, S80) S308: Spillway and Sector Preferred Flow: 11.14 13.80 0 0.0 0.0 0.0 0.0 Flow Due to Lockages+: -4 S153: 18.89 13.62 0 0.0 0.0 S80: Spillway and Sector Flow: 13.83 0.77 0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Flow Due to Lockages+: 17 Percent of flow from S308 NA % Steele Point Top Salinity (mg/ml) **** Steele Point Bottom Salinity (mg/ml) **** Speedy Point Top Salinity (mg/ml) **** Speedy Point Bottom Salinity (mg/ml) **** + Flow Due to lockages is computed utilizing average daily headwater and tailwater along with total number of lockages for the day to calculate a volume which is then converted to an average discharge in cfs. ++ Preferred flow is determined from either the spillway discharge or the below flow meter daily ______________________________________________________________________________ ----- Wind ---- Daily Precipitation Totals 1-Day 3-Day 7-Day Direction Speed (inches) (inches) (inches) (Degų) (mph) S133 Pump Station: -NR- 0.00 0.00 S193: -NR- 0.00 0.00 -NR- -NR- Okeechobee Field Station: -NR- 0.00 0.00 S135 Pump Station: -NR- 0.00 0.00 S127 Pump Station: -NR- 0.00 0.00 S129 Pump Station: -NR- 0.00 0.00 S131 Pump Station: -NR- 0.00 0.00 S77: -NR- 0.00 0.00 100 -NR- S78: -NR- 0.00 0.00 -NR- -NR- S79: -NR- 0.00 0.00 92 5 S4 Pump Station: -NR- 0.00 0.00 Clewiston Field Station: -NR- 0.00 0.00 S3 Pump Station: -NR- 0.00 0.00 S2 Pump Station: -NR- 0.00 0.00 S308: -NR- 0.00 0.00 121 4 S80: -NR- 0.00 0.00 -NR- -NR- Okeechobee Average -NR- 0.00 0.00 (Sites S78, S79 and S80 not included) ----------------------------------------------------------------- Oke Nexrad Basin Avg -NR- 0.00 0.00 ----------------------------------------------------------------- ______________________________________________________________________________ Okeechobee Lake Elevations 10 JUN 2026 11.13 Difference from 10JUN26 10JUN26 -1 Day = 09 JUN 2026 11.15 0.02 10JUN26 -2 Days = 08 JUN 2026 11.18 0.05 10JUN26 -3 Days = 07 JUN 2026 11.20 0.07 10JUN26 -4 Days = 06 JUN 2026 11.22 0.09 10JUN26 -5 Days = 05 JUN 2026 11.24 0.11 10JUN26 -6 Days = 04 JUN 2026 11.27 0.14 10JUN26 -7 Days = 03 JUN 2026 11.29 0.16 10JUN26 -30 Days = 11 MAY 2026 11.37 0.24 10JUN26 -1 Year = 10 JUN 2025 11.15 0.02 10JUN26 -2 Year = 10 JUN 2024 12.66 1.53 ______________________________________________________________________________ ______________________________________________________________________________ Lake Okeechobee Net Inflow (LONIN) Average Flow over the previous 14 days | Avg-Daily Flow 10JUN26 Today = 10 JUN 2026 1031 THU | -1741 10JUN26 -1 Day = 09 JUN 2026 860 WED | -3697 10JUN26 -2 Days = 08 JUN 2026 1009 TUE | -2556 10JUN26 -3 Days = 07 JUN 2026 1361 MON | -3052 10JUN26 -4 Days = 06 JUN 2026 1463 SUN | -3167 10JUN26 -5 Days = 05 JUN 2026 1285 SAT | -NR- 10JUN26 -6 Days = 04 JUN 2026 824 FRI | -NR- 10JUN26 -7 Days = 03 JUN 2026 671 THU | 16375 10JUN26 -8 Days = 02 JUN 2026 -972 WED | 64521 10JUN26 -9 Days = 01 JUN 2026 -5577 TUE | 70183 10JUN26 -10 Days = 31 MAY 2026 -10396 MON | -3292 10JUN26 -11 Days = 30 MAY 2026 -10372 SUN | ****** 10JUN26 -12 Days = 29 MAY 2026 -2074 SAT | 2349 10JUN26 -13 Days = 28 MAY 2026 -1916 FRI | -2910 ______________________________________________________________________________ ______________________________________________________________________________ S65E Average Flow over previous 14 days | Avg-Daily Flow 10JUN26 Today= 10 JUN 2026 272 THU | 342 10JUN26 -1 Day = 09 JUN 2026 264 WED | 348 10JUN26 -2 Days = 08 JUN 2026 256 TUE | 262 10JUN26 -3 Days = 07 JUN 2026 253 MON | 227 10JUN26 -4 Days = 06 JUN 2026 253 SUN | 283 10JUN26 -5 Days = 05 JUN 2026 249 SAT | 307 10JUN26 -6 Days = 04 JUN 2026 244 FRI | 195 10JUN26 -7 Days = 03 JUN 2026 248 THU | 223 10JUN26 -8 Days = 02 JUN 2026 251 WED | 238 10JUN26 -9 Days = 01 JUN 2026 254 TUE | 246 10JUN26 -10 Days = 31 MAY 2026 258 MON | 258 10JUN26 -11 Days = 30 MAY 2026 256 SUN | 299 10JUN26 -12 Days = 29 MAY 2026 252 SAT | 296 10JUN26 -13 Days = 28 MAY 2026 255 FRI | 284 ______________________________________________________________________________ ______________________________________________________________________________ S65EX1 Average Flow over previous 14 days | Avg-Daily Flow 10JUN26 Today= 10 JUN 2026 0 THU | 0 10JUN26 -1 Day = 09 JUN 2026 0 WED | 0 10JUN26 -2 Days = 08 JUN 2026 0 TUE | 0 10JUN26 -3 Days = 07 JUN 2026 0 MON | 0 10JUN26 -4 Days = 06 JUN 2026 0 SUN | 0 10JUN26 -5 Days = 05 JUN 2026 0 SAT | 0 10JUN26 -6 Days = 04 JUN 2026 0 FRI | 0 10JUN26 -7 Days = 03 JUN 2026 0 THU | 0 10JUN26 -8 Days = 02 JUN 2026 0 WED | 0 10JUN26 -9 Days = 01 JUN 2026 0 TUE | 0 10JUN26 -10 Days = 31 MAY 2026 0 MON | 0 10JUN26 -11 Days = 30 MAY 2026 0 SUN | 0 10JUN26 -12 Days = 29 MAY 2026 0 SAT | 0 10JUN26 -13 Days = 28 MAY 2026 0 FRI | 0 ______________________________________________________________________________ Lake Okeechobee Outlets Last 14 Days S-77 Below S-77 S-78 S-79 Discharge Discharge Discharge Discharge (ALL DAY) (ALL-DAY) (ALL DAY) (ALL DAY) DATE (AC-FT) (AC-FT) (AC-FT) (AC-FT) 10 JUN 2026 1365 1366 643 742 09 JUN 2026 1086 1397 479 784 08 JUN 2026 1145 1538 356 773 07 JUN 2026 1107 1324 458 794 06 JUN 2026 888 940 600 675 05 JUN 2026 -NR- 481 351 609 04 JUN 2026 -NR- 151 354 741 03 JUN 2026 2 247 459 844 02 JUN 2026 0 18 705 1209 01 JUN 2026 -0 75 707 1178 31 MAY 2026 -0 102 712 1375 30 MAY 2026 -108 -162 371 1406 29 MAY 2026 132 -12 126 1117 28 MAY 2026 526 647 481 736 S-310 S-351 S-352 S-354 L8 Canal Pt Discharge Discharge Discharge Discharge Discharge (ALL DAY) (ALL DAY) (ALL DAY) (ALL DAY) (ALL DAY) DATE (AC-FT) (AC-FT) (AC-FT) (AC-FT) (AC-FT) 10 JUN 2026 -NR- 1402 0 748 -NR- 09 JUN 2026 -NR- 1262 0 786 -NR- 08 JUN 2026 -NR- 203 0 545 -NR- 07 JUN 2026 -NR- 0 0 0 -NR- 06 JUN 2026 -NR- 0 0 0 -NR- 05 JUN 2026 -NR- 0 0 0 -NR- 04 JUN 2026 -NR- 0 0 0 -NR- 03 JUN 2026 -NR- 0 0 79 -NR- 02 JUN 2026 -NR- 643 105 754 -NR- 01 JUN 2026 -NR- 560 323 956 -NR- 31 MAY 2026 -NR- 0 0 0 -NR- 30 MAY 2026 -NR- 0 0 233 -NR- 29 MAY 2026 -NR- 0 0 941 -NR- 28 MAY 2026 -NR- 336 163 128 -NR- S-308 Below S-308 S-80 Discharge Discharge Discharge (ALL DAY) (ALL-DAY) (ALL-DAY) DATE (AC-FT) (AC-FT) (AC-FT) 10 JUN 2026 -7 -NR- 33 09 JUN 2026 -8 -5 30 08 JUN 2026 -7 -4 48 07 JUN 2026 -13 -10 44 06 JUN 2026 -7 -8 36 05 JUN 2026 -10 -8 21 04 JUN 2026 -6 -3 42 03 JUN 2026 -8 -3 36 02 JUN 2026 -6 -4 26 01 JUN 2026 -11 -8 30 31 MAY 2026 -4 -3 30 30 MAY 2026 -12 -4 49 29 MAY 2026 -7 -6 23 28 MAY 2026 -10 -3 31 *** NOTE: Discharge (ALL DAY) is computed using Spillway, Sector Gate and Lockages Discharges from 0015 hrs to 2400 hrs. ______________________________________________________________________________ (I) - Flows preceeded by "I" signify an instantaneous flow computed from the single value reported for the day ______________________________________________________________________________ * On 11 May 1999, Lake Okeechobee Elevation was switched from Instantaneous 2400 value to an average-daily lake average. On 14 Mar 2001, due to the isolation of various gages within the standard 10 stations, the average of the interior 4 station gages was used as the Lake Okeechobee Elevation. On 05 November 2010, Lake Okeechobee Elevation was switched to a 9 gage mix of interior and edge gages to obtain a more reliable representation of the lake level. On 09 May 2011, Lake Okeechobee Elevation was switched to a 8 gage mix of interior and edge gages to obtain a more reliable representation of the lake level due to isolation of S135 from low lake levels. Today Lake Okechobee elevation is determined from the 4 Int & 4 Edge stations ++ For more information see the Jacksonville District Navigation website at http://www.saj.usace.army.mil/ $ For information regarding Lake Okeechobee Service Area water restrictions please refer to www.sfwmd.gov ______________________________________________________________________________ Report Generated 11JUN2026 @ 08:15 ** Preliminary Data - Subject to Revision **